src/Tools/isac/Knowledge/Poly.thy
author Walther Neuper <neuper@ist.tugraz.at>
Mon, 19 Mar 2012 09:48:03 +0100
changeset 42398 04d3f0133827
parent 42319 ffad491ba8f2
child 42407 81afb8eb9b03
permissions -rw-r--r--
state of development Isabelle2002 --> 2011 wrt. test/../Knowledge

?!? test --- test thm rootrat_equation_left_1 --- changed behavior.
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(* WN.020812: theorems in the Reals,
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   necessary for special rule sets, in addition to Isabelle2002.
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   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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   !!! THIS IS THE _least_ NUMBER OF ADDITIONAL THEOREMS !!!
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   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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   xxxI contain ^^^ instead of ^ in the respective theorem xxx in 2002
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   changed by: Richard Lang 020912
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*)
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theory Poly imports Simplify begin
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consts
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  is'_expanded'_in :: "[real, real] => bool" ("_ is'_expanded'_in _") 
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  is'_poly'_in     :: "[real, real] => bool" ("_ is'_poly'_in _")   (*RL DA *)
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  has'_degree'_in  :: "[real, real] => real" ("_ has'_degree'_in _")(*RL DA *)
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  is'_polyrat'_in  :: "[real, real] => bool" ("_ is'_polyrat'_in _")(*RL030626*)
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  is'_multUnordered:: "real => bool" ("_ is'_multUnordered") 
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  is'_addUnordered :: "real => bool" ("_ is'_addUnordered") (*WN030618*)
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  is'_polyexp      :: "real => bool" ("_ is'_polyexp") 
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  Expand'_binoms
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             :: "['y, 
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		    'y] => 'y"
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               ("((Script Expand'_binoms (_ =))// 
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                    (_))" 9)
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(*-------------------- rules------------------------------------------------*)
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axioms(*axiomatization where*) (*.not contained in Isabelle2002,
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         stated as axioms, TODO: prove as theorems;
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         theorem-IDs 'xxxI' with ^^^ instead of ^ in 'xxx' in Isabelle2002.*)
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  realpow_pow:             "(a ^^^ b) ^^^ c = a ^^^ (b * c)" (*and*)
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  realpow_addI:            "r ^^^ (n + m) = r ^^^ n * r ^^^ m" (*and*)
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  realpow_addI_assoc_l:    "r ^^^ n * (r ^^^ m * s) = r ^^^ (n + m) * s" (*and*)
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  realpow_addI_assoc_r:    "s * r ^^^ n * r ^^^ m = s * r ^^^ (n + m)" (*and*)
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  realpow_oneI:            "r ^^^ 1 = r" (*and*)
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  realpow_zeroI:            "r ^^^ 0 = 1" (*and*)
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  realpow_eq_oneI:         "1 ^^^ n = 1" (*and*)
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  realpow_multI:           "(r * s) ^^^ n = r ^^^ n * s ^^^ n"  (*and*)
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  realpow_multI_poly:      "[| r is_polyexp; s is_polyexp |] ==>
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			      (r * s) ^^^ n = r ^^^ n * s ^^^ n"  (*and*)
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  realpow_minus_oneI:      "-1 ^^^ (2 * n) = 1"  (*and*) 
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  realpow_twoI:            "r ^^^ 2 = r * r" (*and*)
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  realpow_twoI_assoc_l:	  "r * (r * s) = r ^^^ 2 * s" (*and*)
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  realpow_twoI_assoc_r:	  "s * r * r = s * r ^^^ 2" (*and*)
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  realpow_two_atom:        "r is_atom ==> r * r = r ^^^ 2" (*and*)
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  realpow_plus_1:          "r * r ^^^ n = r ^^^ (n + 1)"   (*and*)       
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  realpow_plus_1_assoc_l:  "r * (r ^^^ m * s) = r ^^^ (1 + m) * s"  (*and*)
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  realpow_plus_1_assoc_l2: "r ^^^ m * (r * s) = r ^^^ (1 + m) * s"  (*and*)
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  realpow_plus_1_assoc_r:  "s * r * r ^^^ m = s * r ^^^ (1 + m)" (*and*)
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  realpow_plus_1_atom:     "r is_atom ==> r * r ^^^ n = r ^^^ (1 + n)" (*and*)
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  realpow_def_atom:        "[| Not (r is_atom); 1 < n |]
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			   ==> r ^^^ n = r * r ^^^ (n + -1)" (*and*)
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  realpow_addI_atom:       "r is_atom ==> r ^^^ n * r ^^^ m = r ^^^ (n + m)" (*and*)
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  realpow_minus_even:	  "n is_even ==> (- r) ^^^ n = r ^^^ n" (*and*)
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  realpow_minus_odd:       "Not (n is_even) ==> (- r) ^^^ n = -1 * r ^^^ n" (*and*)
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(* RL 020914 *)
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  real_pp_binom_times:     "(a + b)*(c + d) = a*c + a*d + b*c + b*d" (*and*)
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  real_pm_binom_times:     "(a + b)*(c - d) = a*c - a*d + b*c - b*d" (*and*)
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  real_mp_binom_times:     "(a - b)*(c + d) = a*c + a*d - b*c - b*d" (*and*)
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  real_mm_binom_times:     "(a - b)*(c - d) = a*c - a*d - b*c + b*d" (*and*)
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  real_plus_binom_pow3:    "(a + b)^^^3 = a^^^3 + 3*a^^^2*b + 3*a*b^^^2 + b^^^3" (*and*)
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  real_plus_binom_pow3_poly: "[| a is_polyexp; b is_polyexp |] ==> 
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			    (a + b)^^^3 = a^^^3 + 3*a^^^2*b + 3*a*b^^^2 + b^^^3" (*and*)
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  real_minus_binom_pow3:   "(a - b)^^^3 = a^^^3 - 3*a^^^2*b + 3*a*b^^^2 - b^^^3" (*and*)
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  real_minus_binom_pow3_p: "(a + -1 * b)^^^3 = a^^^3 + -3*a^^^2*b + 3*a*b^^^2 +
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                           -1*b^^^3" (*and*)
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(* real_plus_binom_pow:        "[| n is_const;  3 < n |] ==>
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			       (a + b)^^^n = (a + b) * (a + b)^^^(n - 1)" *)
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  real_plus_binom_pow4:   "(a + b)^^^4 = (a^^^3 + 3*a^^^2*b + 3*a*b^^^2 + b^^^3)
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                           *(a + b)" (*and*)
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  real_plus_binom_pow4_poly: "[| a is_polyexp; b is_polyexp |] ==> 
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			   (a + b)^^^4 = (a^^^3 + 3*a^^^2*b + 3*a*b^^^2 + b^^^3)
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                           *(a + b)" (*and*)
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  real_plus_binom_pow5:    "(a + b)^^^5 = (a^^^3 + 3*a^^^2*b + 3*a*b^^^2 + b^^^3)
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                           *(a^^^2 + 2*a*b + b^^^2)" (*and*)
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  real_plus_binom_pow5_poly: "[| a is_polyexp; b is_polyexp |] ==> 
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			        (a + b)^^^5 = (a^^^3 + 3*a^^^2*b + 3*a*b^^^2 
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                                + b^^^3)*(a^^^2 + 2*a*b + b^^^2)" (*and*)
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  real_diff_plus:          "a - b = a + -b" (*17.3.03: do_NOT_use*) (*and*)
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  real_diff_minus:         "a - b = a + -1 * b" (*and*)
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  real_plus_binom_times:   "(a + b)*(a + b) = a^^^2 + 2*a*b + b^^^2" (*and*)
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  real_minus_binom_times:  "(a - b)*(a - b) = a^^^2 - 2*a*b + b^^^2" (*and*)
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  (*WN071229 changed for Schaerding -----vvv*)
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  (*real_plus_binom_pow2:  "(a + b)^^^2 = a^^^2 + 2*a*b + b^^^2"*)
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  real_plus_binom_pow2:    "(a + b)^^^2 = (a + b) * (a + b)" (*and*)
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  (*WN071229 changed for Schaerding -----^^^*)
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  real_plus_binom_pow2_poly: "[| a is_polyexp; b is_polyexp |] ==>
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			       (a + b)^^^2 = a^^^2 + 2*a*b + b^^^2" (*and*)
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  real_minus_binom_pow2:      "(a - b)^^^2 = a^^^2 - 2*a*b + b^^^2" (*and*)
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  real_minus_binom_pow2_p:    "(a - b)^^^2 = a^^^2 + -2*a*b + b^^^2" (*and*)
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  real_plus_minus_binom1:     "(a + b)*(a - b) = a^^^2 - b^^^2" (*and*)
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  real_plus_minus_binom1_p:   "(a + b)*(a - b) = a^^^2 + -1*b^^^2" (*and*)
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  real_plus_minus_binom1_p_p: "(a + b)*(a + -1 * b) = a^^^2 + -1*b^^^2" (*and*)
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  real_plus_minus_binom2:     "(a - b)*(a + b) = a^^^2 - b^^^2" (*and*)
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  real_plus_minus_binom2_p:   "(a - b)*(a + b) = a^^^2 + -1*b^^^2" (*and*)
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  real_plus_minus_binom2_p_p: "(a + -1 * b)*(a + b) = a^^^2 + -1*b^^^2" (*and*)
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  real_plus_binom_times1:     "(a +  1*b)*(a + -1*b) = a^^^2 + -1*b^^^2" (*and*)
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  real_plus_binom_times2:     "(a + -1*b)*(a +  1*b) = a^^^2 + -1*b^^^2" (*and*)
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  real_num_collect:           "[| l is_const; m is_const |] ==>
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			      l * n + m * n = (l + m) * n" (*and*)
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(* FIXME.MG.0401: replace 'real_num_collect_assoc' 
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	by 'real_num_collect_assoc_l' ... are equal, introduced by MG ! *)
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  real_num_collect_assoc:     "[| l is_const; m is_const |] ==> 
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			      l * n + (m * n + k) = (l + m) * n + k" (*and*)
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  real_num_collect_assoc_l:   "[| l is_const; m is_const |] ==>
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			      l * n + (m * n + k) = (l + m)
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				* n + k" (*and*)
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  real_num_collect_assoc_r:   "[| l is_const; m is_const |] ==>
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			      (k + m * n) + l * n = k + (l + m) * n" (*and*)
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  real_one_collect:           "m is_const ==> n + m * n = (1 + m) * n" (*and*)
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(* FIXME.MG.0401: replace 'real_one_collect_assoc' 
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	by 'real_one_collect_assoc_l' ... are equal, introduced by MG ! *)
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  real_one_collect_assoc:     "m is_const ==> n + (m * n + k) = (1 + m)* n + k" (*and*)
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  real_one_collect_assoc_l:   "m is_const ==> n + (m * n + k) = (1 + m) * n + k" (*and*)
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  real_one_collect_assoc_r:  "m is_const ==> (k + n) +  m * n = k + (1 + m) * n" (*and*)
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(* FIXME.MG.0401: replace 'real_mult_2_assoc' 
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	by 'real_mult_2_assoc_l' ... are equal, introduced by MG ! *)
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  real_mult_2_assoc:          "z1 + (z1 + k) = 2 * z1 + k" (*and*)
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  real_mult_2_assoc_l:        "z1 + (z1 + k) = 2 * z1 + k" (*and*)
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  real_mult_2_assoc_r:        "(k + z1) + z1 = k + 2 * z1" (*and*)
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  real_add_mult_distrib_poly: "w is_polyexp ==> (z1 + z2) * w = z1 * w + z2 * w" (*and*)
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  real_add_mult_distrib2_poly:"w is_polyexp ==> w * (z1 + z2) = w * z1 + w * z2"
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text {* remark on 'polynomials'
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        WN020919
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*** there are 5 kinds of expanded normalforms ***
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[1] 'complete polynomial' (Komplettes Polynom), univariate
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   a_0 + a_1.x^1 +...+ a_n.x^n   not (a_n = 0)
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	        not (a_n = 0), some a_i may be zero (DON'T disappear),
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                variables in monomials lexicographically ordered and complete,
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                x written as 1*x^1, ...
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[2] 'polynomial' (Polynom), univariate and multivariate
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   a_0 + a_1.x +...+ a_n.x^n   not (a_n = 0)
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   a_0 + a_1.x_1.x_2^n_12...x_m^n_1m +...+  a_n.x_1^n.x_2^n_n2...x_m^n_nm
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	        not (a_n = 0), some a_i may be zero (ie. monomials disappear),
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                exponents and coefficients equal 1 are not (WN060904.TODO in cancel_p_)shown,
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                and variables in monomials are lexicographically ordered  
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   examples: [1]: "1 + (-10) * x ^^^ 1 + 25 * x ^^^ 2"
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	     [1]: "11 + 0 * x ^^^ 1 + 1 * x ^^^ 2"
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	     [2]: "x + (-50) * x ^^^ 3"
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	     [2]: "(-1) * x * y ^^^ 2 + 7 * x ^^^ 3"
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[3] 'expanded_term' (Ausmultiplizierter Term):
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   pull out unary minus to binary minus, 
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   as frequently exercised in schools; other conditions for [2] hold however
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   examples: "a ^^^ 2 - 2 * a * b + b ^^^ 2"
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	     "4 * x ^^^ 2 - 9 * y ^^^ 2"
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[4] 'polynomial_in' (Polynom in): 
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   polynomial in 1 variable with arbitrary coefficients
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   examples: "2 * x + (-50) * x ^^^ 3"                     (poly in x)
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	     "(u + v) + (2 * u ^^^ 2) * a + (-u) * a ^^^ 2 (poly in a)
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[5] 'expanded_in' (Ausmultiplizierter Termin in): 
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   analoguous to [3] with binary minus like [3]
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   examples: "2 * x - 50 * x ^^^ 3"                     (expanded in x)
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	     "(u + v) + (2 * u ^^^ 2) * a - u * a ^^^ 2 (expanded in a)
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*}
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ML {*
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val thy = @{theory};
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(* is_polyrat_in becomes true, if no bdv is in the denominator of a fraction*)
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fun is_polyrat_in t v = 
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    let fun coeff_in c v = member op = (vars c) v;
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   	fun finddivide (_ $ _ $ _ $ _) v = error("is_polyrat_in:")
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	    (* at the moment there is no term like this, but ....*)
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	  | finddivide (t as (Const ("Rings.inverse_class.divide",_) $ _ $ b)) v = 
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            not(coeff_in b v)
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	  | finddivide (_ $ t1 $ t2) v = 
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            (finddivide t1 v) orelse (finddivide t2 v)
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	  | finddivide (_ $ t1) v = (finddivide t1 v)
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	  | finddivide _ _ = false;
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     in finddivide t v end;
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fun eval_is_polyrat_in _ _(p as (Const ("Poly.is'_polyrat'_in",_) $ t $ v)) _  =
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    if is_polyrat_in t v 
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    then SOME ((term2str p) ^ " = True",
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	        Trueprop $ (mk_equality (p, HOLogic.true_const)))
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    else SOME ((term2str p) ^ " = True",
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	        Trueprop $ (mk_equality (p, HOLogic.false_const)))
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  | eval_is_polyrat_in _ _ _ _ = ((*tracing"### no matches";*) NONE);
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local
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    (*.a 'c is coefficient of v' if v does NOT occur in c.*)
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    fun coeff_in c v = not (member op = (vars c) v);
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    (* FIXME.WN100826 shift this into test--------------
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     val v = (term_of o the o (parse thy)) "x";
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     val t = (term_of o the o (parse thy)) "1";
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     coeff_in t v;
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     (*val it = true : bool*)
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     val t = (term_of o the o (parse thy)) "a*b+c";
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     coeff_in t v;
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     (*val it = true : bool*)
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     val t = (term_of o the o (parse thy)) "a*x+c";
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     coeff_in t v;
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     (*val it = false : bool*)
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    ----------------------------------------------------*)
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    (*. a 'monomial t in variable v' is a term t with
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      either (1) v NOT existent in t, or (2) v contained in t,
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      if (1) then degree 0
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      if (2) then v is a factor on the very right, ev. with exponent.*)
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    fun factor_right_deg (*case 2*)
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    	    (t as Const ("Groups.times_class.times",_) $ t1 $ 
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    	       (Const ("Atools.pow",_) $ vv $ Free (d,_))) v =
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    	if ((vv = v) andalso (coeff_in t1 v)) then SOME (int_of_str' d) else NONE
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      | factor_right_deg (t as Const ("Atools.pow",_) $ vv $ Free (d,_)) v =
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    	if (vv = v) then SOME (int_of_str' d) else NONE
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      | factor_right_deg (t as Const ("Groups.times_class.times",_) $ t1 $ vv) v = 
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    	if ((vv = v) andalso (coeff_in t1 v))then SOME 1 else NONE
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      | factor_right_deg vv v =
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    	if (vv = v) then SOME 1 else NONE;    
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    fun mono_deg_in m v =
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    	if coeff_in m v then (*case 1*) SOME 0
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    	else factor_right_deg m v;
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    (* FIXME.WN100826 shift this into test-----------------------------
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     val v = (term_of o the o (parse thy)) "x";
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     val t = (term_of o the o (parse thy)) "(a*b+c)*x^^^7";
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     mono_deg_in t v;
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     (*val it = SOME 7*)
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     val t = (term_of o the o (parse thy)) "x^^^7";
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     mono_deg_in t v;
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     (*val it = SOME 7*)
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     val t = (term_of o the o (parse thy)) "(a*b+c)*x";
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     mono_deg_in t v;
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     (*val it = SOME 1*)
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     val t = (term_of o the o (parse thy)) "(a*b+x)*x";
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     mono_deg_in t v;
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     (*val it = NONE*)
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     val t = (term_of o the o (parse thy)) "x";
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     mono_deg_in t v;
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     (*val it = SOME 1*)
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   245
     val t = (term_of o the o (parse thy)) "(a*b+c)";
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   246
     mono_deg_in t v;
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   247
     (*val it = SOME 0*)
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   248
     val t = (term_of o the o (parse thy)) "ab - (a*b)*x";
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   249
     mono_deg_in t v;
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   250
     (*val it = NONE*)
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   251
    ------------------------------------------------------------------*)
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   252
    fun expand_deg_in t v =
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   253
    	let fun edi ~1 ~1 (Const ("Groups.plus_class.plus",_) $ t1 $ t2) =
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   254
    		(case mono_deg_in t2 v of (* $ is left associative*)
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   255
    		     SOME d' => edi d' d' t1
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   256
		   | NONE => NONE)
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   257
    	      | edi ~1 ~1 (Const ("Groups.minus_class.minus",_) $ t1 $ t2) =
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   258
    		(case mono_deg_in t2 v of
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   259
    		     SOME d' => edi d' d' t1
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   260
		   | NONE => NONE)
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   261
    	      | edi d dmax (Const ("Groups.minus_class.minus",_) $ t1 $ t2) =
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   262
    		(case mono_deg_in t2 v of
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   263
		(*RL  orelse ((d=0) andalso (d'=0)) need to handle 3+4-...4 +x*)
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   264
    		     SOME d' => if ((d > d') orelse ((d=0) andalso (d'=0))) 
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   265
                     then edi d' dmax t1 else NONE
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   266
		   | NONE => NONE)
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   267
    	      | edi d dmax (Const ("Groups.plus_class.plus",_) $ t1 $ t2) =
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   268
    		(case mono_deg_in t2 v of
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   269
		(*RL  orelse ((d=0) andalso (d'=0)) need to handle 3+4-...4 +x*)
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   270
    		     SOME d' => if ((d > d') orelse ((d=0) andalso (d'=0))) 
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   271
                     then edi d' dmax t1 else NONE
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   272
		   | NONE => NONE)
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   273
    	      | edi ~1 ~1 t = (case mono_deg_in t v of
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   274
    		     d as SOME _ => d
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   275
		   | NONE => NONE)
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   276
    	      | edi d dmax t = (*basecase last*)
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   277
    		(case mono_deg_in t v of
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   278
    		     SOME d' => if ((d > d') orelse ((d=0) andalso (d'=0)))  
neuper@37950
   279
                     then SOME dmax else NONE
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   280
		   | NONE => NONE)
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   281
    	in edi ~1 ~1 t end;
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   282
    (* FIXME.WN100826 shift this into test-----------------------------
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   283
     val v = (term_of o the o (parse thy)) "x";
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   284
     val t = (term_of o the o (parse thy)) "a+b";
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   285
     expand_deg_in t v;
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   286
     (*val it = SOME 0*)   
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   287
     val t = (term_of o the o (parse thy)) "(a+b)*x";
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   288
     expand_deg_in t v;
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   289
     (*SOME 1*)   
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   290
     val t = (term_of o the o (parse thy)) "a*b - (a+b)*x";
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   291
     expand_deg_in t v;
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   292
     (*SOME 1*)   
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   293
     val t = (term_of o the o (parse thy)) "a*b + (a-b)*x";
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   294
     expand_deg_in t v;
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   295
     (*SOME 1*)   
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   296
     val t = (term_of o the o (parse thy)) "a*b + (a+b)*x + x^^^2";
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   297
     expand_deg_in t v;
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   298
    -------------------------------------------------------------------*)   
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   299
    fun poly_deg_in t v =
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   300
    	let fun edi ~1 ~1 (Const ("Groups.plus_class.plus",_) $ t1 $ t2) =
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   301
    		(case mono_deg_in t2 v of (* $ is left associative*)
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   302
    		     SOME d' => edi d' d' t1
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   303
		   | NONE => NONE)
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   304
    	      | edi d dmax (Const ("Groups.plus_class.plus",_) $ t1 $ t2) =
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   305
    		(case mono_deg_in t2 v of
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   306
 		(*RL  orelse ((d=0) andalso (d'=0)) need to handle 3+4-...4 +x*)
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   307
   		     SOME d' => if ((d > d') orelse ((d=0) andalso (d'=0))) 
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   308
                                then edi d' dmax t1 else NONE
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   309
		   | NONE => NONE)
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   310
    	      | edi ~1 ~1 t = (case mono_deg_in t v of
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   311
    		     d as SOME _ => d
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   312
		   | NONE => NONE)
neuper@37950
   313
    	      | edi d dmax t = (*basecase last*)
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   314
    		(case mono_deg_in t v of
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   315
    		     SOME d' => if ((d > d') orelse ((d=0) andalso (d'=0))) 
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   316
                     then SOME dmax else NONE
neuper@37950
   317
		   | NONE => NONE)
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   318
    	in edi ~1 ~1 t end;
neuper@37950
   319
in
neuper@37950
   320
neuper@37950
   321
fun is_expanded_in t v =
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   322
    case expand_deg_in t v of SOME _ => true | NONE => false;
neuper@37950
   323
fun is_poly_in t v =
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   324
    case poly_deg_in t v of SOME _ => true | NONE => false;
neuper@37950
   325
fun has_degree_in t v =
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   326
    case expand_deg_in t v of SOME d => d | NONE => ~1;
neuper@37980
   327
end;(*local*)
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   328
(* FIXME.WN100826 shift this into test-----------------------------
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   329
 val v = (term_of o the o (parse thy)) "x";
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   330
 val t = (term_of o the o (parse thy)) "a*b - (a+b)*x + x^^^2";
neuper@37950
   331
 has_degree_in t v;
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   332
 (*val it = 2*)
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   333
 val t = (term_of o the o (parse thy)) "-8 - 2*x + x^^^2";
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   334
 has_degree_in t v;
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   335
 (*val it = 2*)
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   336
 val t = (term_of o the o (parse thy)) "6 + 13*x + 6*x^^^2";
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   337
 has_degree_in t v;
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   338
 (*val it = 2*)
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   339
-------------------------------------------------------------------*)
neuper@37950
   340
neuper@37950
   341
(*("is_expanded_in", ("Poly.is'_expanded'_in", eval_is_expanded_in ""))*)
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   342
fun eval_is_expanded_in _ _ 
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   343
       (p as (Const ("Poly.is'_expanded'_in",_) $ t $ v)) _ =
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   344
    if is_expanded_in t v
neuper@37950
   345
    then SOME ((term2str p) ^ " = True",
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   346
	        Trueprop $ (mk_equality (p, HOLogic.true_const)))
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   347
    else SOME ((term2str p) ^ " = True",
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   348
	        Trueprop $ (mk_equality (p, HOLogic.false_const)))
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   349
  | eval_is_expanded_in _ _ _ _ = NONE;
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   350
(*
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   351
 val t = (term_of o the o (parse thy)) "(-8 - 2*x + x^^^2) is_expanded_in x";
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   352
 val SOME (id, t') = eval_is_expanded_in 0 0 t 0;
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   353
 (*val id = "Poly.is'_expanded'_in (-8 - 2 * x + x ^^^ 2) x = True"*)
neuper@37950
   354
 term2str t';
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   355
 (*val it = "Poly.is'_expanded'_in (-8 - 2 * x + x ^^^ 2) x = True"*)
neuper@37950
   356
*)
neuper@37950
   357
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   358
(*("is_poly_in", ("Poly.is'_poly'_in", eval_is_poly_in ""))*)
neuper@37950
   359
fun eval_is_poly_in _ _ 
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   360
       (p as (Const ("Poly.is'_poly'_in",_) $ t $ v)) _ =
neuper@37950
   361
    if is_poly_in t v
neuper@37950
   362
    then SOME ((term2str p) ^ " = True",
neuper@37950
   363
	        Trueprop $ (mk_equality (p, HOLogic.true_const)))
neuper@37950
   364
    else SOME ((term2str p) ^ " = True",
neuper@37950
   365
	        Trueprop $ (mk_equality (p, HOLogic.false_const)))
neuper@37950
   366
  | eval_is_poly_in _ _ _ _ = NONE;
neuper@37950
   367
(*
neuper@37950
   368
 val t = (term_of o the o (parse thy)) "(8 + 2*x + x^^^2) is_poly_in x";
neuper@37950
   369
 val SOME (id, t') = eval_is_poly_in 0 0 t 0;
neuper@37950
   370
 (*val id = "Poly.is'_poly'_in (8 + 2 * x + x ^^^ 2) x = True"*)
neuper@37950
   371
 term2str t';
neuper@37950
   372
 (*val it = "Poly.is'_poly'_in (8 + 2 * x + x ^^^ 2) x = True"*)
neuper@37950
   373
*)
neuper@37950
   374
neuper@37950
   375
(*("has_degree_in", ("Poly.has'_degree'_in", eval_has_degree_in ""))*)
neuper@37950
   376
fun eval_has_degree_in _ _ 
neuper@37950
   377
	     (p as (Const ("Poly.has'_degree'_in",_) $ t $ v)) _ =
neuper@37950
   378
    let val d = has_degree_in t v
neuper@37950
   379
	val d' = term_of_num HOLogic.realT d
neuper@37950
   380
    in SOME ((term2str p) ^ " = " ^ (string_of_int d),
neuper@37950
   381
	      Trueprop $ (mk_equality (p, d')))
neuper@37950
   382
    end
neuper@37950
   383
  | eval_has_degree_in _ _ _ _ = NONE;
neuper@37950
   384
(*
neuper@37950
   385
> val t = (term_of o the o (parse thy)) "(-8 - 2*x + x^^^2) has_degree_in x";
neuper@37950
   386
> val SOME (id, t') = eval_has_degree_in 0 0 t 0;
neuper@37950
   387
val id = "Poly.has'_degree'_in (-8 - 2 * x + x ^^^ 2) x = 2" : string
neuper@37950
   388
> term2str t';
neuper@37950
   389
val it = "Poly.has'_degree'_in (-8 - 2 * x + x ^^^ 2) x = 2" : string
neuper@37950
   390
*)
neuper@37950
   391
neuper@37978
   392
(*..*)
neuper@37978
   393
val calculate_Poly =
neuper@37978
   394
    append_rls "calculate_PolyFIXXXME.not.impl." e_rls
neuper@37978
   395
	       [];
neuper@37978
   396
neuper@37950
   397
(*.for evaluation of conditions in rewrite rules.*)
neuper@42319
   398
val Poly_erls = append_rls "Poly_erls" Atools_erls
neuper@42319
   399
  [ Calc ("HOL.eq",eval_equal "#equal_"),
neuper@42319
   400
		    Thm  ("real_unari_minus",num_str @{thm real_unari_minus}),
neuper@42319
   401
    Calc ("Groups.plus_class.plus",eval_binop "#add_"),
neuper@42319
   402
		    Calc ("Groups.minus_class.minus",eval_binop "#sub_"),
neuper@42319
   403
		    Calc ("Groups.times_class.times",eval_binop "#mult_"),
neuper@42319
   404
		    Calc ("Atools.pow" ,eval_binop "#power_")
neuper@42319
   405
		  ];
neuper@37950
   406
neuper@37950
   407
val poly_crls = 
neuper@37950
   408
    append_rls "poly_crls" Atools_crls
neuper@41922
   409
               [ Calc ("HOL.eq",eval_equal "#equal_"),
neuper@37969
   410
		 Thm  ("real_unari_minus",num_str @{thm real_unari_minus}),
neuper@38014
   411
                 Calc ("Groups.plus_class.plus",eval_binop "#add_"),
neuper@38014
   412
		 Calc ("Groups.minus_class.minus",eval_binop "#sub_"),
neuper@38034
   413
		 Calc ("Groups.times_class.times",eval_binop "#mult_"),
neuper@37950
   414
		 Calc ("Atools.pow" ,eval_binop "#power_")
neuper@37950
   415
		 ];
neuper@37950
   416
neuper@37950
   417
local (*. for make_polynomial .*)
neuper@37950
   418
neuper@37950
   419
open Term;  (* for type order = EQUAL | LESS | GREATER *)
neuper@37950
   420
neuper@37950
   421
fun pr_ord EQUAL = "EQUAL"
neuper@37950
   422
  | pr_ord LESS  = "LESS"
neuper@37950
   423
  | pr_ord GREATER = "GREATER";
neuper@37950
   424
neuper@37950
   425
fun dest_hd' (Const (a, T)) =                          (* ~ term.ML *)
neuper@37950
   426
  (case a of
neuper@37950
   427
     "Atools.pow" => ((("|||||||||||||", 0), T), 0)    (*WN greatest string*)
neuper@37950
   428
   | _ => (((a, 0), T), 0))
neuper@37950
   429
  | dest_hd' (Free (a, T)) = (((a, 0), T), 1)
neuper@37950
   430
  | dest_hd' (Var v) = (v, 2)
neuper@37950
   431
  | dest_hd' (Bound i) = ((("", i), dummyT), 3)
neuper@37950
   432
  | dest_hd' (Abs (_, T, _)) = ((("", 0), T), 4);
neuper@37950
   433
neuper@37950
   434
fun get_order_pow (t $ (Free(order,_))) = (* RL FIXXXME:geht zufaellig?WN*)
neuper@37950
   435
    	(case int_of_str (order) of
neuper@37950
   436
	             SOME d => d
neuper@37950
   437
		   | NONE   => 0)
neuper@37950
   438
  | get_order_pow _ = 0;
neuper@37950
   439
neuper@37950
   440
fun size_of_term' (Const(str,_) $ t) =
neuper@37950
   441
  if "Atools.pow"= str then 1000 + size_of_term' t else 1+size_of_term' t(*WN*)
neuper@37950
   442
  | size_of_term' (Abs (_,_,body)) = 1 + size_of_term' body
neuper@37950
   443
  | size_of_term' (f$t) = size_of_term' f  +  size_of_term' t
neuper@37950
   444
  | size_of_term' _ = 1;
neuper@37950
   445
neuper@37950
   446
fun term_ord' pr thy (Abs (_, T, t), Abs(_, U, u)) =       (* ~ term.ML *)
neuper@37974
   447
      (case term_ord' pr thy (t, u) of EQUAL => Term_Ord.typ_ord (T, U) | ord => ord)
neuper@37950
   448
  | term_ord' pr thy (t, u) =
neuper@37950
   449
      (if pr then 
neuper@37950
   450
	 let
neuper@37950
   451
	   val (f, ts) = strip_comb t and (g, us) = strip_comb u;
neuper@38053
   452
	   val _ = tracing ("t= f@ts= \"" ^
neuper@38053
   453
	      (Print_Mode.setmp [] (Syntax.string_of_term (thy2ctxt thy)) f) ^
neuper@38053
   454
              "\" @ \"[" ^
neuper@38053
   455
	      (commas (map (Print_Mode.setmp [] (Syntax.string_of_term 
neuper@38053
   456
                                                 (thy2ctxt thy))) ts)) ^
neuper@38053
   457
              "]\"");
neuper@38053
   458
	   val _ = tracing("u= g@us= \""^
neuper@38053
   459
	      (Print_Mode.setmp [] (Syntax.string_of_term (thy2ctxt thy)) g) ^
neuper@38053
   460
              "\" @ \"[" ^
neuper@38053
   461
	      (commas (map (Print_Mode.setmp [] (Syntax.string_of_term
neuper@38053
   462
                                                 (thy2ctxt thy))) us)) ^
neuper@38053
   463
              "]\"");
neuper@38053
   464
	   val _ = tracing ("size_of_term(t,u)= (" ^
neuper@38053
   465
	      (string_of_int (size_of_term' t)) ^ ", " ^
neuper@38053
   466
	      (string_of_int (size_of_term' u)) ^ ")");
neuper@38053
   467
	   val _ = tracing ("hd_ord(f,g)      = "^((pr_ord o hd_ord)(f,g)));
neuper@38053
   468
	   val _ = tracing ("terms_ord(ts,us) = " ^
neuper@38053
   469
			    ((pr_ord o terms_ord str false) (ts, us)));
neuper@38053
   470
	   val _ = tracing ("-------");
neuper@37950
   471
	 in () end
neuper@37950
   472
       else ();
neuper@37950
   473
	 case int_ord (size_of_term' t, size_of_term' u) of
neuper@37950
   474
	   EQUAL =>
neuper@37950
   475
	     let val (f, ts) = strip_comb t and (g, us) = strip_comb u in
neuper@37950
   476
	       (case hd_ord (f, g) of EQUAL => (terms_ord str pr) (ts, us) 
neuper@37950
   477
	     | ord => ord)
neuper@37950
   478
	     end
neuper@37950
   479
	 | ord => ord)
neuper@37950
   480
and hd_ord (f, g) =                                        (* ~ term.ML *)
neuper@37974
   481
  prod_ord (prod_ord Term_Ord.indexname_ord Term_Ord.typ_ord) int_ord (dest_hd' f, dest_hd' g)
neuper@37950
   482
and terms_ord str pr (ts, us) = 
neuper@37991
   483
    list_ord (term_ord' pr (assoc_thy "Isac"))(ts, us);
neuper@37950
   484
in
neuper@37950
   485
neuper@37950
   486
fun ord_make_polynomial (pr:bool) thy (_:subst) tu = 
neuper@37950
   487
    (term_ord' pr thy(***) tu = LESS );
neuper@37950
   488
neuper@37950
   489
end;(*local*)
neuper@37950
   490
neuper@37950
   491
neuper@37950
   492
rew_ord' := overwritel (!rew_ord',
neuper@37950
   493
[("termlessI", termlessI),
neuper@37950
   494
 ("ord_make_polynomial", ord_make_polynomial false thy)
neuper@37950
   495
 ]);
neuper@37950
   496
neuper@37950
   497
neuper@37950
   498
val expand =
neuper@37974
   499
  Rls{id = "expand", preconds = [], rew_ord = ("dummy_ord", dummy_ord),
neuper@37974
   500
      erls = e_rls,srls = Erls, calc = [],
neuper@37965
   501
      rules = [Thm ("left_distrib" ,num_str @{thm left_distrib}),
neuper@37950
   502
	       (*"(z1.0 + z2.0) * w = z1.0 * w + z2.0 * w"*)
neuper@37974
   503
	       Thm ("right_distrib",num_str @{thm right_distrib})
neuper@37950
   504
	       (*"w * (z1.0 + z2.0) = w * z1.0 + w * z2.0"*)
neuper@37950
   505
	       ], scr = EmptyScr}:rls;
neuper@37950
   506
neuper@37950
   507
(*----------------- Begin: rulesets for make_polynomial_ -----------------
neuper@37950
   508
  'rlsIDs' redefined by MG as 'rlsIDs_' 
neuper@37950
   509
                                    ^^^*)
neuper@37950
   510
neuper@37980
   511
val discard_minus =
neuper@37980
   512
  Rls{id = "discard_minus", preconds = [], rew_ord = ("dummy_ord", dummy_ord),
neuper@37980
   513
      erls = e_rls, srls = Erls, calc = [],
neuper@37950
   514
      (*asm_thm = [],*)
neuper@37969
   515
      rules = [Thm ("real_diff_minus",num_str @{thm real_diff_minus}),
neuper@37950
   516
	       (*"a - b = a + -1 * b"*)
neuper@37969
   517
	       Thm ("sym_real_mult_minus1",
neuper@37974
   518
                     num_str (@{thm real_mult_minus1} RS @{thm sym}))
neuper@37950
   519
	       (*- ?z = "-1 * ?z"*)
neuper@37950
   520
	       ], scr = EmptyScr}:rls;
neuper@37980
   521
neuper@37950
   522
val expand_poly_ = 
neuper@37950
   523
  Rls{id = "expand_poly_", preconds = [], 
neuper@37950
   524
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
   525
      erls = e_rls,srls = Erls,
neuper@37950
   526
      calc = [],
neuper@37950
   527
      (*asm_thm = [],*)
neuper@37969
   528
      rules = [Thm ("real_plus_binom_pow4",num_str @{thm real_plus_binom_pow4}),
neuper@37950
   529
	       (*"(a + b)^^^4 = ... "*)
neuper@37969
   530
	       Thm ("real_plus_binom_pow5",num_str @{thm real_plus_binom_pow5}),
neuper@37950
   531
	       (*"(a + b)^^^5 = ... "*)
neuper@37969
   532
	       Thm ("real_plus_binom_pow3",num_str @{thm real_plus_binom_pow3}),
neuper@37950
   533
	       (*"(a + b)^^^3 = a^^^3 + 3*a^^^2*b + 3*a*b^^^2 + b^^^3" *)
neuper@37950
   534
	       (*WN071229 changed/removed for Schaerding -----vvv*)
neuper@37969
   535
	       (*Thm ("real_plus_binom_pow2",num_str @{thm real_plus_binom_pow2}),*)
neuper@37950
   536
	       (*"(a + b)^^^2 = a^^^2 + 2*a*b + b^^^2"*)
neuper@37969
   537
	       Thm ("real_plus_binom_pow2",num_str @{thm real_plus_binom_pow2}),
neuper@37950
   538
	       (*"(a + b)^^^2 = (a + b) * (a + b)"*)
neuper@37950
   539
	       (*Thm ("real_plus_minus_binom1_p_p",
neuper@37969
   540
		    num_str @{thm real_plus_minus_binom1_p_p}),*)
neuper@37950
   541
	       (*"(a + b)*(a + -1 * b) = a^^^2 + -1*b^^^2"*)
neuper@37950
   542
	       (*Thm ("real_plus_minus_binom2_p_p",
neuper@37969
   543
		    num_str @{thm real_plus_minus_binom2_p_p}),*)
neuper@37950
   544
	       (*"(a + -1 * b)*(a + b) = a^^^2 + -1*b^^^2"*)
neuper@37950
   545
	       (*WN071229 changed/removed for Schaerding -----^^^*)
neuper@37950
   546
	      
neuper@37965
   547
	       Thm ("left_distrib" ,num_str @{thm left_distrib}),
neuper@37950
   548
	       (*"(z1.0 + z2.0) * w = z1.0 * w + z2.0 * w"*)
neuper@37974
   549
	       Thm ("right_distrib",num_str @{thm right_distrib}),
neuper@37950
   550
	       (*"w * (z1.0 + z2.0) = w * z1.0 + w * z2.0"*)
neuper@37950
   551
	       
neuper@37969
   552
	       Thm ("realpow_multI", num_str @{thm realpow_multI}),
neuper@37950
   553
	       (*"(r * s) ^^^ n = r ^^^ n * s ^^^ n"*)
neuper@37969
   554
	       Thm ("realpow_pow",num_str @{thm realpow_pow})
neuper@37950
   555
	       (*"(a ^^^ b) ^^^ c = a ^^^ (b * c)"*)
neuper@37950
   556
	       ], scr = EmptyScr}:rls;
neuper@37950
   557
neuper@37950
   558
(*.the expression contains + - * ^ only ?
neuper@37950
   559
   this is weaker than 'is_polynomial' !.*)
neuper@37950
   560
fun is_polyexp (Free _) = true
neuper@38014
   561
  | is_polyexp (Const ("Groups.plus_class.plus",_) $ Free _ $ Free _) = true
neuper@38014
   562
  | is_polyexp (Const ("Groups.minus_class.minus",_) $ Free _ $ Free _) = true
neuper@38034
   563
  | is_polyexp (Const ("Groups.times_class.times",_) $ Free _ $ Free _) = true
neuper@37950
   564
  | is_polyexp (Const ("Atools.pow",_) $ Free _ $ Free _) = true
neuper@38014
   565
  | is_polyexp (Const ("Groups.plus_class.plus",_) $ t1 $ t2) = 
neuper@37950
   566
               ((is_polyexp t1) andalso (is_polyexp t2))
neuper@38014
   567
  | is_polyexp (Const ("Groups.minus_class.minus",_) $ t1 $ t2) = 
neuper@37950
   568
               ((is_polyexp t1) andalso (is_polyexp t2))
neuper@38034
   569
  | is_polyexp (Const ("Groups.times_class.times",_) $ t1 $ t2) = 
neuper@37950
   570
               ((is_polyexp t1) andalso (is_polyexp t2))
neuper@37950
   571
  | is_polyexp (Const ("Atools.pow",_) $ t1 $ t2) = 
neuper@37950
   572
               ((is_polyexp t1) andalso (is_polyexp t2))
neuper@37950
   573
  | is_polyexp _ = false;
neuper@37950
   574
neuper@37950
   575
(*("is_polyexp", ("Poly.is'_polyexp", eval_is_polyexp ""))*)
neuper@37950
   576
fun eval_is_polyexp (thmid:string) _ 
neuper@37950
   577
		       (t as (Const("Poly.is'_polyexp", _) $ arg)) thy = 
neuper@37950
   578
    if is_polyexp arg
neuper@37950
   579
    then SOME (mk_thmid thmid "" 
neuper@38053
   580
			(Print_Mode.setmp [] (Syntax.string_of_term
neuper@38053
   581
                                              (thy2ctxt thy)) arg) "", 
neuper@37950
   582
	       Trueprop $ (mk_equality (t, HOLogic.true_const)))
neuper@37950
   583
    else SOME (mk_thmid thmid "" 
neuper@38053
   584
			(Print_Mode.setmp [] (Syntax.string_of_term
neuper@38053
   585
                                              (thy2ctxt thy)) arg) "", 
neuper@37950
   586
	       Trueprop $ (mk_equality (t, HOLogic.false_const)))
neuper@37950
   587
  | eval_is_polyexp _ _ _ _ = NONE; 
neuper@37950
   588
neuper@37950
   589
val expand_poly_rat_ = 
neuper@37950
   590
  Rls{id = "expand_poly_rat_", preconds = [], 
neuper@37950
   591
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
   592
      erls =  append_rls "e_rls-is_polyexp" e_rls
neuper@37950
   593
	        [Calc ("Poly.is'_polyexp", eval_is_polyexp "")
neuper@37950
   594
		 ],
neuper@37950
   595
      srls = Erls,
neuper@37950
   596
      calc = [],
neuper@37950
   597
      (*asm_thm = [],*)
neuper@37950
   598
      rules = 
neuper@37969
   599
        [Thm ("real_plus_binom_pow4_poly", num_str @{thm real_plus_binom_pow4_poly}),
neuper@37950
   600
	     (*"[| a is_polyexp; b is_polyexp |] ==> (a + b)^^^4 = ... "*)
neuper@37969
   601
	 Thm ("real_plus_binom_pow5_poly", num_str @{thm real_plus_binom_pow5_poly}),
neuper@37950
   602
	     (*"[| a is_polyexp; b is_polyexp |] ==> (a + b)^^^5 = ... "*)
neuper@37969
   603
	 Thm ("real_plus_binom_pow2_poly",num_str @{thm real_plus_binom_pow2_poly}),
neuper@37950
   604
	     (*"[| a is_polyexp; b is_polyexp |] ==>
neuper@37950
   605
		            (a + b)^^^2 = a^^^2 + 2*a*b + b^^^2"*)
neuper@37969
   606
	 Thm ("real_plus_binom_pow3_poly",num_str @{thm real_plus_binom_pow3_poly}),
neuper@37950
   607
	     (*"[| a is_polyexp; b is_polyexp |] ==> 
neuper@37950
   608
			(a + b)^^^3 = a^^^3 + 3*a^^^2*b + 3*a*b^^^2 + b^^^3" *)
neuper@37969
   609
	 Thm ("real_plus_minus_binom1_p_p",num_str @{thm real_plus_minus_binom1_p_p}),
neuper@37950
   610
	     (*"(a + b)*(a + -1 * b) = a^^^2 + -1*b^^^2"*)
neuper@37969
   611
	 Thm ("real_plus_minus_binom2_p_p",num_str @{thm real_plus_minus_binom2_p_p}),
neuper@37950
   612
	     (*"(a + -1 * b)*(a + b) = a^^^2 + -1*b^^^2"*)
neuper@37950
   613
	      
neuper@37974
   614
	 Thm ("real_add_mult_distrib_poly",
neuper@37974
   615
               num_str @{thm real_add_mult_distrib_poly}),
neuper@37950
   616
	       (*"w is_polyexp ==> (z1.0 + z2.0) * w = z1.0 * w + z2.0 * w"*)
neuper@37974
   617
	 Thm("real_add_mult_distrib2_poly",
neuper@37974
   618
              num_str @{thm real_add_mult_distrib2_poly}),
neuper@37950
   619
	     (*"w is_polyexp ==> w * (z1.0 + z2.0) = w * z1.0 + w * z2.0"*)
neuper@37950
   620
	       
neuper@37969
   621
	 Thm ("realpow_multI_poly", num_str @{thm realpow_multI_poly}),
neuper@37950
   622
	     (*"[| r is_polyexp; s is_polyexp |] ==> 
neuper@37950
   623
		            (r * s) ^^^ n = r ^^^ n * s ^^^ n"*)
neuper@37969
   624
	  Thm ("realpow_pow",num_str @{thm realpow_pow})
neuper@37950
   625
	      (*"(a ^^^ b) ^^^ c = a ^^^ (b * c)"*)
neuper@37950
   626
	 ], scr = EmptyScr}:rls;
neuper@37950
   627
neuper@37950
   628
val simplify_power_ = 
neuper@37950
   629
  Rls{id = "simplify_power_", preconds = [], 
neuper@37950
   630
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
   631
      erls = e_rls, srls = Erls,
neuper@37950
   632
      calc = [],
neuper@37950
   633
      (*asm_thm = [],*)
neuper@37950
   634
      rules = [(*MG: Reihenfolge der folgenden 2 Thm muss so bleiben, wegen
neuper@37950
   635
		a*(a*a) --> a*a^^^2 und nicht a*(a*a) --> a^^^2*a *)
neuper@37969
   636
	       Thm ("sym_realpow_twoI",
neuper@37969
   637
                     num_str (@{thm realpow_twoI} RS @{thm sym})),	
neuper@37950
   638
	       (*"r * r = r ^^^ 2"*)
neuper@37969
   639
	       Thm ("realpow_twoI_assoc_l",num_str @{thm realpow_twoI_assoc_l}),
neuper@37950
   640
	       (*"r * (r * s) = r ^^^ 2 * s"*)
neuper@37950
   641
neuper@37969
   642
	       Thm ("realpow_plus_1",num_str @{thm realpow_plus_1}),		
neuper@37950
   643
	       (*"r * r ^^^ n = r ^^^ (n + 1)"*)
neuper@37969
   644
	       Thm ("realpow_plus_1_assoc_l",
neuper@37969
   645
                     num_str @{thm realpow_plus_1_assoc_l}),
neuper@37950
   646
	       (*"r * (r ^^^ m * s) = r ^^^ (1 + m) * s"*)
neuper@37950
   647
	       (*MG 9.7.03: neues Thm wegen a*(a*(a*b)) --> a^^^2*(a*b) *)
neuper@37969
   648
	       Thm ("realpow_plus_1_assoc_l2",
neuper@37969
   649
                     num_str @{thm realpow_plus_1_assoc_l2}),
neuper@37950
   650
	       (*"r ^^^ m * (r * s) = r ^^^ (1 + m) * s"*)
neuper@37950
   651
neuper@37969
   652
	       Thm ("sym_realpow_addI",
neuper@37969
   653
               num_str (@{thm realpow_addI} RS @{thm sym})),
neuper@37950
   654
	       (*"r ^^^ n * r ^^^ m = r ^^^ (n + m)"*)
neuper@37969
   655
	       Thm ("realpow_addI_assoc_l",num_str @{thm realpow_addI_assoc_l}),
neuper@37950
   656
	       (*"r ^^^ n * (r ^^^ m * s) = r ^^^ (n + m) * s"*)
neuper@37950
   657
	       
neuper@37950
   658
	       (* ist in expand_poly - wird hier aber auch gebraucht, wegen: 
neuper@37950
   659
		  "r * r = r ^^^ 2" wenn r=a^^^b*)
neuper@37969
   660
	       Thm ("realpow_pow",num_str @{thm realpow_pow})
neuper@37950
   661
	       (*"(a ^^^ b) ^^^ c = a ^^^ (b * c)"*)
neuper@37950
   662
	       ], scr = EmptyScr}:rls;
neuper@37950
   663
neuper@37950
   664
val calc_add_mult_pow_ = 
neuper@37950
   665
  Rls{id = "calc_add_mult_pow_", preconds = [], 
neuper@37950
   666
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
   667
      erls = Atools_erls(*erls3.4.03*),srls = Erls,
neuper@38014
   668
      calc = [("PLUS"  , ("Groups.plus_class.plus", eval_binop "#add_")), 
neuper@38034
   669
	      ("TIMES" , ("Groups.times_class.times", eval_binop "#mult_")),
neuper@37950
   670
	      ("POWER", ("Atools.pow", eval_binop "#power_"))
neuper@37950
   671
	      ],
neuper@37950
   672
      (*asm_thm = [],*)
neuper@38014
   673
      rules = [Calc ("Groups.plus_class.plus", eval_binop "#add_"),
neuper@38034
   674
	       Calc ("Groups.times_class.times", eval_binop "#mult_"),
neuper@37950
   675
	       Calc ("Atools.pow", eval_binop "#power_")
neuper@37950
   676
	       ], scr = EmptyScr}:rls;
neuper@37950
   677
neuper@37950
   678
val reduce_012_mult_ = 
neuper@37950
   679
  Rls{id = "reduce_012_mult_", preconds = [], 
neuper@37950
   680
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
   681
      erls = e_rls,srls = Erls,
neuper@37950
   682
      calc = [],
neuper@37950
   683
      (*asm_thm = [],*)
neuper@37950
   684
      rules = [(* MG: folgende Thm müssen hier stehen bleiben: *)
neuper@37965
   685
               Thm ("mult_1_right",num_str @{thm mult_1_right}),
neuper@37950
   686
	       (*"z * 1 = z"*) (*wegen "a * b * b^^^(-1) + a"*) 
neuper@37969
   687
	       Thm ("realpow_zeroI",num_str @{thm realpow_zeroI}),
neuper@37950
   688
	       (*"r ^^^ 0 = 1"*) (*wegen "a*a^^^(-1)*c + b + c"*)
neuper@37969
   689
	       Thm ("realpow_oneI",num_str @{thm realpow_oneI}),
neuper@37950
   690
	       (*"r ^^^ 1 = r"*)
neuper@37974
   691
	       Thm ("realpow_eq_oneI",num_str @{thm realpow_eq_oneI})
neuper@37950
   692
	       (*"1 ^^^ n = 1"*)
neuper@37950
   693
	       ], scr = EmptyScr}:rls;
neuper@37950
   694
neuper@37950
   695
val collect_numerals_ = 
neuper@37950
   696
  Rls{id = "collect_numerals_", preconds = [], 
neuper@37950
   697
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
   698
      erls = Atools_erls, srls = Erls,
neuper@38014
   699
      calc = [("PLUS"  , ("Groups.plus_class.plus", eval_binop "#add_"))
neuper@37950
   700
	      ],
neuper@37950
   701
      rules = 
neuper@37969
   702
        [Thm ("real_num_collect",num_str @{thm real_num_collect}), 
neuper@37950
   703
	     (*"[| l is_const; m is_const |]==>l * n + m * n = (l + m) * n"*)
neuper@37969
   704
	 Thm ("real_num_collect_assoc_r",num_str @{thm real_num_collect_assoc_r}),
neuper@37950
   705
	     (*"[| l is_const; m is_const |] ==>  \
neuper@37950
   706
					\(k + m * n) + l * n = k + (l + m)*n"*)
neuper@37969
   707
	 Thm ("real_one_collect",num_str @{thm real_one_collect}),	
neuper@37950
   708
	     (*"m is_const ==> n + m * n = (1 + m) * n"*)
neuper@37969
   709
	 Thm ("real_one_collect_assoc_r",num_str @{thm real_one_collect_assoc_r}), 
neuper@37950
   710
	     (*"m is_const ==> (k + n) + m * n = k + (m + 1) * n"*)
neuper@37950
   711
neuper@38014
   712
         Calc ("Groups.plus_class.plus", eval_binop "#add_"),
neuper@37950
   713
neuper@37950
   714
	 (*MG: Reihenfolge der folgenden 2 Thm muss so bleiben, wegen
neuper@37950
   715
		     (a+a)+a --> a + 2*a --> 3*a and not (a+a)+a --> 2*a + a *)
neuper@37969
   716
         Thm ("real_mult_2_assoc_r",num_str @{thm real_mult_2_assoc_r}),
neuper@37950
   717
	     (*"(k + z1) + z1 = k + 2 * z1"*)
neuper@37969
   718
	 Thm ("sym_real_mult_2",num_str (@{thm real_mult_2} RS @{thm sym}))
neuper@37950
   719
	     (*"z1 + z1 = 2 * z1"*)
neuper@37950
   720
	], scr = EmptyScr}:rls;
neuper@37950
   721
neuper@37950
   722
val reduce_012_ = 
neuper@37950
   723
  Rls{id = "reduce_012_", preconds = [], 
neuper@37950
   724
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37974
   725
      erls = e_rls,srls = Erls, calc = [],
neuper@37965
   726
      rules = [Thm ("mult_1_left",num_str @{thm mult_1_left}),                 
neuper@37950
   727
	       (*"1 * z = z"*)
neuper@37965
   728
	       Thm ("mult_zero_left",num_str @{thm mult_zero_left}),        
neuper@37950
   729
	       (*"0 * z = 0"*)
neuper@37974
   730
	       Thm ("mult_zero_right",num_str @{thm mult_zero_right}),
neuper@37950
   731
	       (*"z * 0 = 0"*)
neuper@37965
   732
	       Thm ("add_0_left",num_str @{thm add_0_left}),
neuper@37950
   733
	       (*"0 + z = z"*)
neuper@37965
   734
	       Thm ("add_0_right",num_str @{thm add_0_right}),
neuper@37950
   735
	       (*"z + 0 = z"*) (*wegen a+b-b --> a+(1-1)*b --> a+0 --> a*)
neuper@37950
   736
neuper@37969
   737
	       (*Thm ("realpow_oneI",num_str @{thm realpow_oneI})*)
neuper@37950
   738
	       (*"?r ^^^ 1 = ?r"*)
neuper@37965
   739
	       Thm ("divide_zero_left",num_str @{thm divide_zero_left})(*WN060914*)
neuper@37950
   740
	       (*"0 / ?x = 0"*)
neuper@37950
   741
	       ], scr = EmptyScr}:rls;
neuper@37950
   742
neuper@37950
   743
(*ein Hilfs-'ruleset' (benutzt das leere 'ruleset')*)
neuper@37979
   744
val discard_parentheses1 = 
neuper@37979
   745
    append_rls "discard_parentheses1" e_rls 
neuper@37969
   746
	       [Thm ("sym_real_mult_assoc",
neuper@37969
   747
                      num_str (@{thm real_mult_assoc} RS @{thm sym}))
neuper@37950
   748
		(*"?z1.1 * (?z2.1 * ?z3.1) = ?z1.1 * ?z2.1 * ?z3.1"*)
neuper@37974
   749
		(*Thm ("sym_add_assoc",
neuper@37974
   750
                        num_str (@{thm add_assoc} RS @{thm sym}))*)
neuper@37950
   751
		(*"?z1.1 + (?z2.1 + ?z3.1) = ?z1.1 + ?z2.1 + ?z3.1"*)
neuper@37950
   752
		 ];
neuper@37950
   753
neuper@37950
   754
(*----------------- End: rulesets for make_polynomial_ -----------------*)
neuper@37950
   755
neuper@37950
   756
(*MG.0401 ev. for use in rls with ordered rewriting ?
neuper@37950
   757
val collect_numerals_left = 
neuper@37950
   758
  Rls{id = "collect_numerals", preconds = [], 
neuper@37950
   759
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
   760
      erls = Atools_erls(*erls3.4.03*),srls = Erls,
neuper@38014
   761
      calc = [("PLUS"  , ("Groups.plus_class.plus", eval_binop "#add_")), 
neuper@38034
   762
	      ("TIMES" , ("Groups.times_class.times", eval_binop "#mult_")),
neuper@37950
   763
	      ("POWER", ("Atools.pow", eval_binop "#power_"))
neuper@37950
   764
	      ],
neuper@37950
   765
      (*asm_thm = [],*)
neuper@37969
   766
      rules = [Thm ("real_num_collect",num_str @{thm real_num_collect}), 
neuper@37950
   767
	       (*"[| l is_const; m is_const |]==>l * n + m * n = (l + m) * n"*)
neuper@37969
   768
	       Thm ("real_num_collect_assoc",num_str @{thm real_num_collect_assoc}),
neuper@37950
   769
	       (*"[| l is_const; m is_const |] ==>  
neuper@37950
   770
				l * n + (m * n + k) =  (l + m) * n + k"*)
neuper@37969
   771
	       Thm ("real_one_collect",num_str @{thm real_one_collect}),	
neuper@37950
   772
	       (*"m is_const ==> n + m * n = (1 + m) * n"*)
neuper@37969
   773
	       Thm ("real_one_collect_assoc",num_str @{thm real_one_collect_assoc}), 
neuper@37950
   774
	       (*"m is_const ==> n + (m * n + k) = (1 + m) * n + k"*)
neuper@37950
   775
	       
neuper@38014
   776
	       Calc ("Groups.plus_class.plus", eval_binop "#add_"),
neuper@37950
   777
neuper@37950
   778
	       (*MG am 2.5.03: 2 Theoreme aus reduce_012 hierher verschoben*)
neuper@37969
   779
	       Thm ("sym_real_mult_2",
neuper@37969
   780
                     num_str (@{thm real_mult_2} RS @{thm sym})),	
neuper@37950
   781
	       (*"z1 + z1 = 2 * z1"*)
neuper@37969
   782
	       Thm ("real_mult_2_assoc",num_str @{thm real_mult_2_assoc})
neuper@37950
   783
	       (*"z1 + (z1 + k) = 2 * z1 + k"*)
neuper@37950
   784
	       ], scr = EmptyScr}:rls;*)
neuper@37950
   785
neuper@37950
   786
val expand_poly = 
neuper@37950
   787
  Rls{id = "expand_poly", preconds = [], 
neuper@37950
   788
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
   789
      erls = e_rls,srls = Erls,
neuper@37950
   790
      calc = [],
neuper@37950
   791
      (*asm_thm = [],*)
neuper@37965
   792
      rules = [Thm ("left_distrib" ,num_str @{thm left_distrib}),
neuper@37950
   793
	       (*"(z1.0 + z2.0) * w = z1.0 * w + z2.0 * w"*)
neuper@37974
   794
	       Thm ("right_distrib",num_str @{thm right_distrib}),
neuper@37950
   795
	       (*"w * (z1.0 + z2.0) = w * z1.0 + w * z2.0"*)
neuper@37965
   796
	       (*Thm ("left_distrib1",num_str @{thm left_distrib}1),
neuper@37950
   797
		....... 18.3.03 undefined???*)
neuper@37950
   798
neuper@37969
   799
	       Thm ("real_plus_binom_pow2",num_str @{thm real_plus_binom_pow2}),
neuper@37950
   800
	       (*"(a + b)^^^2 = a^^^2 + 2*a*b + b^^^2"*)
neuper@37969
   801
	       Thm ("real_minus_binom_pow2_p",num_str @{thm real_minus_binom_pow2_p}),
neuper@37950
   802
	       (*"(a - b)^^^2 = a^^^2 + -2*a*b + b^^^2"*)
neuper@37950
   803
	       Thm ("real_plus_minus_binom1_p",
neuper@37969
   804
		    num_str @{thm real_plus_minus_binom1_p}),
neuper@37950
   805
	       (*"(a + b)*(a - b) = a^^^2 + -1*b^^^2"*)
neuper@37950
   806
	       Thm ("real_plus_minus_binom2_p",
neuper@37969
   807
		    num_str @{thm real_plus_minus_binom2_p}),
neuper@37950
   808
	       (*"(a - b)*(a + b) = a^^^2 + -1*b^^^2"*)
neuper@37950
   809
neuper@37965
   810
	       Thm ("minus_minus",num_str @{thm minus_minus}),
neuper@37950
   811
	       (*"- (- ?z) = ?z"*)
neuper@37969
   812
	       Thm ("real_diff_minus",num_str @{thm real_diff_minus}),
neuper@37950
   813
	       (*"a - b = a + -1 * b"*)
neuper@37969
   814
	       Thm ("sym_real_mult_minus1",
neuper@37969
   815
                     num_str (@{thm real_mult_minus1} RS @{thm sym}))
neuper@37950
   816
	       (*- ?z = "-1 * ?z"*)
neuper@37950
   817
neuper@37950
   818
	       (*Thm ("real_minus_add_distrib",
neuper@37969
   819
		      num_str @{thm real_minus_add_distrib}),*)
neuper@37950
   820
	       (*"- (?x + ?y) = - ?x + - ?y"*)
neuper@37969
   821
	       (*Thm ("real_diff_plus",num_str @{thm real_diff_plus})*)
neuper@37950
   822
	       (*"a - b = a + -b"*)
neuper@37950
   823
	       ], scr = EmptyScr}:rls;
neuper@37950
   824
neuper@37950
   825
val simplify_power = 
neuper@37950
   826
  Rls{id = "simplify_power", preconds = [], 
neuper@37950
   827
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
   828
      erls = e_rls, srls = Erls,
neuper@37950
   829
      calc = [],
neuper@37950
   830
      (*asm_thm = [],*)
neuper@37969
   831
      rules = [Thm ("realpow_multI", num_str @{thm realpow_multI}),
neuper@37950
   832
	       (*"(r * s) ^^^ n = r ^^^ n * s ^^^ n"*)
neuper@37950
   833
	       
neuper@37969
   834
	       Thm ("sym_realpow_twoI",
neuper@37969
   835
                     num_str( @{thm realpow_twoI} RS @{thm sym})),	
neuper@37950
   836
	       (*"r1 * r1 = r1 ^^^ 2"*)
neuper@37969
   837
	       Thm ("realpow_plus_1",num_str @{thm realpow_plus_1}),		
neuper@37950
   838
	       (*"r * r ^^^ n = r ^^^ (n + 1)"*)
neuper@37969
   839
	       Thm ("realpow_pow",num_str @{thm realpow_pow}),
neuper@37950
   840
	       (*"(a ^^^ b) ^^^ c = a ^^^ (b * c)"*)
neuper@37969
   841
	       Thm ("sym_realpow_addI",
neuper@37969
   842
                     num_str (@{thm realpow_addI} RS @{thm sym})),
neuper@37950
   843
	       (*"r ^^^ n * r ^^^ m = r ^^^ (n + m)"*)
neuper@37969
   844
	       Thm ("realpow_oneI",num_str @{thm realpow_oneI}),
neuper@37950
   845
	       (*"r ^^^ 1 = r"*)
neuper@37969
   846
	       Thm ("realpow_eq_oneI",num_str @{thm realpow_eq_oneI})
neuper@37950
   847
	       (*"1 ^^^ n = 1"*)
neuper@37950
   848
	       ], scr = EmptyScr}:rls;
neuper@37950
   849
(*MG.0401: termorders for multivariate polys dropped due to principal problems:
neuper@37950
   850
  (total-degree-)ordering of monoms NOT possible with size_of_term GIVEN*)
neuper@37950
   851
val order_add_mult = 
neuper@37950
   852
  Rls{id = "order_add_mult", preconds = [], 
neuper@37972
   853
      rew_ord = ("ord_make_polynomial",ord_make_polynomial false thy),
neuper@37950
   854
      erls = e_rls,srls = Erls,
neuper@37950
   855
      calc = [],
neuper@37950
   856
      (*asm_thm = [],*)
neuper@37969
   857
      rules = [Thm ("real_mult_commute",num_str @{thm real_mult_commute}),
neuper@37950
   858
	       (* z * w = w * z *)
neuper@37969
   859
	       Thm ("real_mult_left_commute",num_str @{thm real_mult_left_commute}),
neuper@37950
   860
	       (*z1.0 * (z2.0 * z3.0) = z2.0 * (z1.0 * z3.0)*)
neuper@37969
   861
	       Thm ("real_mult_assoc",num_str @{thm real_mult_assoc}),		
neuper@37950
   862
	       (*z1.0 * z2.0 * z3.0 = z1.0 * (z2.0 * z3.0)*)
neuper@37965
   863
	       Thm ("add_commute",num_str @{thm add_commute}),	
neuper@37950
   864
	       (*z + w = w + z*)
neuper@37965
   865
	       Thm ("add_left_commute",num_str @{thm add_left_commute}),
neuper@37950
   866
	       (*x + (y + z) = y + (x + z)*)
neuper@37965
   867
	       Thm ("add_assoc",num_str @{thm add_assoc})	               
neuper@37950
   868
	       (*z1.0 + z2.0 + z3.0 = z1.0 + (z2.0 + z3.0)*)
neuper@37950
   869
	       ], scr = EmptyScr}:rls;
neuper@37950
   870
(*MG.0401: termorders for multivariate polys dropped due to principal problems:
neuper@37950
   871
  (total-degree-)ordering of monoms NOT possible with size_of_term GIVEN*)
neuper@37950
   872
val order_mult = 
neuper@37950
   873
  Rls{id = "order_mult", preconds = [], 
neuper@37972
   874
      rew_ord = ("ord_make_polynomial",ord_make_polynomial false thy),
neuper@37950
   875
      erls = e_rls,srls = Erls,
neuper@37950
   876
      calc = [],
neuper@37950
   877
      (*asm_thm = [],*)
neuper@37969
   878
      rules = [Thm ("real_mult_commute",num_str @{thm real_mult_commute}),
neuper@37950
   879
	       (* z * w = w * z *)
neuper@37969
   880
	       Thm ("real_mult_left_commute",num_str @{thm real_mult_left_commute}),
neuper@37950
   881
	       (*z1.0 * (z2.0 * z3.0) = z2.0 * (z1.0 * z3.0)*)
neuper@37969
   882
	       Thm ("real_mult_assoc",num_str @{thm real_mult_assoc})	
neuper@37950
   883
	       (*z1.0 * z2.0 * z3.0 = z1.0 * (z2.0 * z3.0)*)
neuper@37950
   884
	       ], scr = EmptyScr}:rls;
neuper@37950
   885
val collect_numerals = 
neuper@37950
   886
  Rls{id = "collect_numerals", preconds = [], 
neuper@37950
   887
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
   888
      erls = Atools_erls(*erls3.4.03*),srls = Erls,
neuper@38014
   889
      calc = [("PLUS"  , ("Groups.plus_class.plus", eval_binop "#add_")), 
neuper@38034
   890
	      ("TIMES" , ("Groups.times_class.times", eval_binop "#mult_")),
neuper@37950
   891
	      ("POWER", ("Atools.pow", eval_binop "#power_"))
neuper@37950
   892
	      ],
neuper@37950
   893
      (*asm_thm = [],*)
neuper@37969
   894
      rules = [Thm ("real_num_collect",num_str @{thm real_num_collect}), 
neuper@37950
   895
	       (*"[| l is_const; m is_const |]==>l * n + m * n = (l + m) * n"*)
neuper@37969
   896
	       Thm ("real_num_collect_assoc",num_str @{thm real_num_collect_assoc}),
neuper@37950
   897
	       (*"[| l is_const; m is_const |] ==>  
neuper@37950
   898
				l * n + (m * n + k) =  (l + m) * n + k"*)
neuper@37969
   899
	       Thm ("real_one_collect",num_str @{thm real_one_collect}),	
neuper@37950
   900
	       (*"m is_const ==> n + m * n = (1 + m) * n"*)
neuper@37969
   901
	       Thm ("real_one_collect_assoc",num_str @{thm real_one_collect_assoc}), 
neuper@37950
   902
	       (*"m is_const ==> k + (n + m * n) = k + (1 + m) * n"*)
neuper@38014
   903
	       Calc ("Groups.plus_class.plus", eval_binop "#add_"), 
neuper@38034
   904
	       Calc ("Groups.times_class.times", eval_binop "#mult_"),
neuper@37950
   905
	       Calc ("Atools.pow", eval_binop "#power_")
neuper@37950
   906
	       ], scr = EmptyScr}:rls;
neuper@37950
   907
val reduce_012 = 
neuper@37950
   908
  Rls{id = "reduce_012", preconds = [], 
neuper@37950
   909
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
   910
      erls = e_rls,srls = Erls,
neuper@37950
   911
      calc = [],
neuper@37950
   912
      (*asm_thm = [],*)
neuper@37965
   913
      rules = [Thm ("mult_1_left",num_str @{thm mult_1_left}),                 
neuper@37950
   914
	       (*"1 * z = z"*)
neuper@37969
   915
	       (*Thm ("real_mult_minus1",num_str @{thm real_mult_minus1}),14.3.03*)
neuper@37950
   916
	       (*"-1 * z = - z"*)
neuper@37965
   917
	       Thm ("minus_mult_left", 
neuper@37974
   918
		    num_str (@{thm minus_mult_left} RS @{thm sym})),
neuper@37950
   919
	       (*- (?x * ?y) = "- ?x * ?y"*)
neuper@37969
   920
	       (*Thm ("real_minus_mult_cancel",
neuper@37969
   921
                       num_str @{thm real_minus_mult_cancel}),
neuper@37950
   922
	       (*"- ?x * - ?y = ?x * ?y"*)---*)
neuper@37965
   923
	       Thm ("mult_zero_left",num_str @{thm mult_zero_left}),        
neuper@37950
   924
	       (*"0 * z = 0"*)
neuper@37965
   925
	       Thm ("add_0_left",num_str @{thm add_0_left}),
neuper@37950
   926
	       (*"0 + z = z"*)
neuper@37965
   927
	       Thm ("right_minus",num_str @{thm right_minus}),
neuper@37950
   928
	       (*"?z + - ?z = 0"*)
neuper@37969
   929
	       Thm ("sym_real_mult_2",
neuper@37969
   930
                     num_str (@{thm real_mult_2} RS @{thm sym})),	
neuper@37950
   931
	       (*"z1 + z1 = 2 * z1"*)
neuper@37969
   932
	       Thm ("real_mult_2_assoc",num_str @{thm real_mult_2_assoc})
neuper@37950
   933
	       (*"z1 + (z1 + k) = 2 * z1 + k"*)
neuper@37950
   934
	       ], scr = EmptyScr}:rls;
neuper@37950
   935
(*ein Hilfs-'ruleset' (benutzt das leere 'ruleset')*)
neuper@37950
   936
val discard_parentheses = 
neuper@37950
   937
    append_rls "discard_parentheses" e_rls 
neuper@37969
   938
	       [Thm ("sym_real_mult_assoc",
neuper@37969
   939
                      num_str (@{thm real_mult_assoc} RS @{thm sym})),
neuper@37974
   940
		Thm ("sym_add_assoc",
neuper@37974
   941
                      num_str (@{thm add_assoc} RS @{thm sym}))];
neuper@37950
   942
neuper@37950
   943
val scr_make_polynomial = 
neuper@37976
   944
"Script Expand_binoms t_t =                                  " ^
neuper@37950
   945
"(Repeat                                                    " ^
neuper@37950
   946
"((Try (Repeat (Rewrite real_diff_minus         False))) @@ " ^ 
neuper@37950
   947
neuper@37971
   948
" (Try (Repeat (Rewrite left_distrib   False))) @@ " ^	 
neuper@37971
   949
" (Try (Repeat (Rewrite right_distrib  False))) @@ " ^	
neuper@37971
   950
" (Try (Repeat (Rewrite left_diff_distrib  False))) @@ " ^	
neuper@37971
   951
" (Try (Repeat (Rewrite right_diff_distrib False))) @@ " ^	
neuper@37950
   952
neuper@37971
   953
" (Try (Repeat (Rewrite mult_1_left             False))) @@ " ^		   
neuper@37971
   954
" (Try (Repeat (Rewrite mult_zero_left             False))) @@ " ^		   
neuper@37971
   955
" (Try (Repeat (Rewrite add_0_left      False))) @@ " ^	 
neuper@37950
   956
neuper@37950
   957
" (Try (Repeat (Rewrite real_mult_commute       False))) @@ " ^		
neuper@37950
   958
" (Try (Repeat (Rewrite real_mult_left_commute  False))) @@ " ^	
neuper@37950
   959
" (Try (Repeat (Rewrite real_mult_assoc         False))) @@ " ^		
neuper@37971
   960
" (Try (Repeat (Rewrite add_commute        False))) @@ " ^		
neuper@37971
   961
" (Try (Repeat (Rewrite add_left_commute   False))) @@ " ^	 
neuper@37971
   962
" (Try (Repeat (Rewrite add_assoc          False))) @@ " ^	 
neuper@37950
   963
neuper@37950
   964
" (Try (Repeat (Rewrite sym_realpow_twoI        False))) @@ " ^	 
neuper@37950
   965
" (Try (Repeat (Rewrite realpow_plus_1          False))) @@ " ^	 
neuper@37950
   966
" (Try (Repeat (Rewrite sym_real_mult_2         False))) @@ " ^		
neuper@37950
   967
" (Try (Repeat (Rewrite real_mult_2_assoc       False))) @@ " ^		
neuper@37950
   968
neuper@37950
   969
" (Try (Repeat (Rewrite real_num_collect        False))) @@ " ^		
neuper@37950
   970
" (Try (Repeat (Rewrite real_num_collect_assoc  False))) @@ " ^	
neuper@37950
   971
neuper@37950
   972
" (Try (Repeat (Rewrite real_one_collect        False))) @@ " ^		
neuper@37950
   973
" (Try (Repeat (Rewrite real_one_collect_assoc  False))) @@ " ^   
neuper@37950
   974
neuper@37975
   975
" (Try (Repeat (Calculate PLUS  ))) @@                      " ^
neuper@37975
   976
" (Try (Repeat (Calculate TIMES ))) @@                      " ^
neuper@37975
   977
" (Try (Repeat (Calculate POWER))))                        " ^  
neuper@37976
   978
" t_t)";
neuper@37950
   979
neuper@37950
   980
(*version used by MG.02/03, overwritten by version AG in 04 below
neuper@37950
   981
val make_polynomial = prep_rls(
neuper@37950
   982
  Seq{id = "make_polynomial", preconds = []:term list, 
neuper@37950
   983
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
   984
      erls = Atools_erls, srls = Erls,
neuper@37950
   985
      calc = [],(*asm_thm = [],*)
neuper@37950
   986
      rules = [Rls_ expand_poly,
neuper@37950
   987
	       Rls_ order_add_mult,
neuper@37950
   988
	       Rls_ simplify_power,   (*realpow_eq_oneI, eg. x^1 --> x *)
neuper@37950
   989
	       Rls_ collect_numerals, (*eg. x^(2+ -1) --> x^1          *)
neuper@37950
   990
	       Rls_ reduce_012,
neuper@37969
   991
	       Thm ("realpow_oneI",num_str @{thm realpow_oneI}),(*in --^*) 
neuper@37950
   992
	       Rls_ discard_parentheses
neuper@37950
   993
	       ],
neuper@37950
   994
      scr = EmptyScr
neuper@37950
   995
      }:rls);   *)
neuper@37950
   996
neuper@37950
   997
val scr_expand_binoms =
neuper@37974
   998
"Script Expand_binoms t_t =" ^
neuper@37950
   999
"(Repeat                       " ^
neuper@37950
  1000
"((Try (Repeat (Rewrite real_plus_binom_pow2    False))) @@ " ^
neuper@37950
  1001
" (Try (Repeat (Rewrite real_plus_binom_times   False))) @@ " ^
neuper@37950
  1002
" (Try (Repeat (Rewrite real_minus_binom_pow2   False))) @@ " ^
neuper@37950
  1003
" (Try (Repeat (Rewrite real_minus_binom_times  False))) @@ " ^
neuper@37950
  1004
" (Try (Repeat (Rewrite real_plus_minus_binom1  False))) @@ " ^
neuper@37950
  1005
" (Try (Repeat (Rewrite real_plus_minus_binom2  False))) @@ " ^
neuper@37950
  1006
neuper@37971
  1007
" (Try (Repeat (Rewrite mult_1_left             False))) @@ " ^
neuper@37971
  1008
" (Try (Repeat (Rewrite mult_zero_left             False))) @@ " ^
neuper@37971
  1009
" (Try (Repeat (Rewrite add_0_left      False))) @@ " ^
neuper@37950
  1010
neuper@37975
  1011
" (Try (Repeat (Calculate PLUS  ))) @@ " ^
neuper@37975
  1012
" (Try (Repeat (Calculate TIMES ))) @@ " ^
neuper@37975
  1013
" (Try (Repeat (Calculate POWER))) @@ " ^
neuper@37950
  1014
neuper@37950
  1015
" (Try (Repeat (Rewrite sym_realpow_twoI        False))) @@ " ^
neuper@37950
  1016
" (Try (Repeat (Rewrite realpow_plus_1          False))) @@ " ^
neuper@37950
  1017
" (Try (Repeat (Rewrite sym_real_mult_2         False))) @@ " ^
neuper@37950
  1018
" (Try (Repeat (Rewrite real_mult_2_assoc       False))) @@ " ^
neuper@37950
  1019
neuper@37950
  1020
" (Try (Repeat (Rewrite real_num_collect        False))) @@ " ^
neuper@37950
  1021
" (Try (Repeat (Rewrite real_num_collect_assoc  False))) @@ " ^
neuper@37950
  1022
neuper@37950
  1023
" (Try (Repeat (Rewrite real_one_collect        False))) @@ " ^
neuper@37950
  1024
" (Try (Repeat (Rewrite real_one_collect_assoc  False))) @@ " ^ 
neuper@37950
  1025
neuper@37975
  1026
" (Try (Repeat (Calculate PLUS  ))) @@ " ^
neuper@37975
  1027
" (Try (Repeat (Calculate TIMES ))) @@ " ^
neuper@37975
  1028
" (Try (Repeat (Calculate POWER)))) " ^  
neuper@37974
  1029
" t_t)";
neuper@37974
  1030
neuper@37950
  1031
val expand_binoms = 
neuper@37950
  1032
  Rls{id = "expand_binoms", preconds = [], rew_ord = ("termlessI",termlessI),
neuper@37950
  1033
      erls = Atools_erls, srls = Erls,
neuper@38014
  1034
      calc = [("PLUS"  , ("Groups.plus_class.plus", eval_binop "#add_")), 
neuper@38034
  1035
	      ("TIMES" , ("Groups.times_class.times", eval_binop "#mult_")),
neuper@37950
  1036
	      ("POWER", ("Atools.pow", eval_binop "#power_"))
neuper@37950
  1037
	      ],
neuper@37974
  1038
      rules = [Thm ("real_plus_binom_pow2",
neuper@37974
  1039
                     num_str @{thm real_plus_binom_pow2}),     
neuper@37950
  1040
	       (*"(a + b) ^^^ 2 = a ^^^ 2 + 2 * a * b + b ^^^ 2"*)
neuper@37974
  1041
	       Thm ("real_plus_binom_times",
neuper@37974
  1042
                     num_str @{thm real_plus_binom_times}),    
neuper@37950
  1043
	      (*"(a + b)*(a + b) = ...*)
neuper@37974
  1044
	       Thm ("real_minus_binom_pow2",
neuper@37974
  1045
                     num_str @{thm real_minus_binom_pow2}),   
neuper@37950
  1046
	       (*"(a - b) ^^^ 2 = a ^^^ 2 - 2 * a * b + b ^^^ 2"*)
neuper@37974
  1047
	       Thm ("real_minus_binom_times",
neuper@37974
  1048
                     num_str @{thm real_minus_binom_times}),   
neuper@37950
  1049
	       (*"(a - b)*(a - b) = ...*)
neuper@37974
  1050
	       Thm ("real_plus_minus_binom1",
neuper@37974
  1051
                     num_str @{thm real_plus_minus_binom1}),   
neuper@37950
  1052
		(*"(a + b) * (a - b) = a ^^^ 2 - b ^^^ 2"*)
neuper@37974
  1053
	       Thm ("real_plus_minus_binom2",
neuper@37974
  1054
                     num_str @{thm real_plus_minus_binom2}),   
neuper@37950
  1055
		(*"(a - b) * (a + b) = a ^^^ 2 - b ^^^ 2"*)
neuper@37950
  1056
	       (*RL 020915*)
neuper@37969
  1057
	       Thm ("real_pp_binom_times",num_str @{thm real_pp_binom_times}), 
neuper@37950
  1058
		(*(a + b)*(c + d) = a*c + a*d + b*c + b*d*)
neuper@37969
  1059
               Thm ("real_pm_binom_times",num_str @{thm real_pm_binom_times}), 
neuper@37950
  1060
		(*(a + b)*(c - d) = a*c - a*d + b*c - b*d*)
neuper@37969
  1061
               Thm ("real_mp_binom_times",num_str @{thm real_mp_binom_times}), 
neuper@37950
  1062
		(*(a - b)*(c + d) = a*c + a*d - b*c - b*d*)
neuper@37969
  1063
               Thm ("real_mm_binom_times",num_str @{thm real_mm_binom_times}), 
neuper@37950
  1064
		(*(a - b)*(c - d) = a*c - a*d - b*c + b*d*)
neuper@37974
  1065
	       Thm ("realpow_multI",num_str @{thm realpow_multI}),
neuper@37950
  1066
		(*(a*b)^^^n = a^^^n * b^^^n*)
neuper@37969
  1067
	       Thm ("real_plus_binom_pow3",num_str @{thm real_plus_binom_pow3}),
neuper@37950
  1068
	        (* (a + b)^^^3 = a^^^3 + 3*a^^^2*b + 3*a*b^^^2 + b^^^3 *)
neuper@37974
  1069
	       Thm ("real_minus_binom_pow3",
neuper@37974
  1070
                     num_str @{thm real_minus_binom_pow3}),
neuper@37950
  1071
	        (* (a - b)^^^3 = a^^^3 - 3*a^^^2*b + 3*a*b^^^2 - b^^^3 *)
neuper@37950
  1072
neuper@37950
  1073
neuper@37974
  1074
              (*Thm ("left_distrib" ,num_str @{thm left_distrib}),	
neuper@37950
  1075
		(*"(z1.0 + z2.0) * w = z1.0 * w + z2.0 * w"*)
neuper@37974
  1076
	       Thm ("right_distrib",num_str @{thm right_distrib}),	
neuper@37950
  1077
	       (*"w * (z1.0 + z2.0) = w * z1.0 + w * z2.0"*)
neuper@37965
  1078
	       Thm ("left_diff_distrib" ,num_str @{thm left_diff_distrib}),	
neuper@37950
  1079
	       (*"(z1.0 - z2.0) * w = z1.0 * w - z2.0 * w"*)
neuper@37982
  1080
	       Thm ("right_diff_distrib",num_str @{thm right_diff_distrib}),	
neuper@37950
  1081
	       (*"w * (z1.0 - z2.0) = w * z1.0 - w * z2.0"*)
neuper@37974
  1082
	      *)
neuper@37974
  1083
	       Thm ("mult_1_left",num_str @{thm mult_1_left}),
neuper@37974
  1084
               (*"1 * z = z"*)
neuper@37974
  1085
	       Thm ("mult_zero_left",num_str @{thm mult_zero_left}),
neuper@37974
  1086
               (*"0 * z = 0"*)
neuper@37965
  1087
	       Thm ("add_0_left",num_str @{thm add_0_left}),(*"0 + z = z"*)
neuper@37950
  1088
neuper@38014
  1089
	       Calc ("Groups.plus_class.plus", eval_binop "#add_"), 
neuper@38034
  1090
	       Calc ("Groups.times_class.times", eval_binop "#mult_"),
neuper@37950
  1091
	       Calc ("Atools.pow", eval_binop "#power_"),
neuper@37974
  1092
              (*Thm ("real_mult_commute",num_str @{thm real_mult_commute}),
neuper@37974
  1093
		(*AC-rewriting*)
neuper@37974
  1094
	       Thm ("real_mult_left_commute",
neuper@37974
  1095
                     num_str @{thm real_mult_left_commute}),
neuper@37974
  1096
	       Thm ("real_mult_assoc",num_str @{thm real_mult_assoc}),
neuper@37974
  1097
	       Thm ("add_commute",num_str @{thm add_commute}),
neuper@37974
  1098
	       Thm ("add_left_commute",num_str @{thm add_left_commute}),
neuper@37974
  1099
	       Thm ("add_assoc",num_str @{thm add_assoc}),
neuper@37974
  1100
	      *)
neuper@37969
  1101
	       Thm ("sym_realpow_twoI",
neuper@37969
  1102
                     num_str (@{thm realpow_twoI} RS @{thm sym})),
neuper@37950
  1103
	       (*"r1 * r1 = r1 ^^^ 2"*)
neuper@37969
  1104
	       Thm ("realpow_plus_1",num_str @{thm realpow_plus_1}),			
neuper@37950
  1105
	       (*"r * r ^^^ n = r ^^^ (n + 1)"*)
neuper@37974
  1106
	       (*Thm ("sym_real_mult_2",
neuper@37974
  1107
                       num_str (@{thm real_mult_2} RS @{thm sym})),		
neuper@37950
  1108
	       (*"z1 + z1 = 2 * z1"*)*)
neuper@37969
  1109
	       Thm ("real_mult_2_assoc",num_str @{thm real_mult_2_assoc}),		
neuper@37950
  1110
	       (*"z1 + (z1 + k) = 2 * z1 + k"*)
neuper@37950
  1111
neuper@37969
  1112
	       Thm ("real_num_collect",num_str @{thm real_num_collect}), 
neuper@37974
  1113
	       (*"[| l is_const; m is_const |] ==>l * n + m * n = (l + m) * n"*)
neuper@37974
  1114
	       Thm ("real_num_collect_assoc",
neuper@37974
  1115
                     num_str @{thm real_num_collect_assoc}),	
neuper@37974
  1116
	       (*"[| l is_const; m is_const |] ==>  
neuper@37974
  1117
                                       l * n + (m * n + k) =  (l + m) * n + k"*)
neuper@37974
  1118
	       Thm ("real_one_collect",num_str @{thm real_one_collect}),
neuper@37950
  1119
	       (*"m is_const ==> n + m * n = (1 + m) * n"*)
neuper@37974
  1120
	       Thm ("real_one_collect_assoc",
neuper@37974
  1121
                     num_str @{thm real_one_collect_assoc}), 
neuper@37950
  1122
	       (*"m is_const ==> k + (n + m * n) = k + (1 + m) * n"*)
neuper@37950
  1123
neuper@38014
  1124
	       Calc ("Groups.plus_class.plus", eval_binop "#add_"), 
neuper@38034
  1125
	       Calc ("Groups.times_class.times", eval_binop "#mult_"),
neuper@37950
  1126
	       Calc ("Atools.pow", eval_binop "#power_")
neuper@37950
  1127
	       ],
neuper@37950
  1128
      scr = Script ((term_of o the o (parse thy)) scr_expand_binoms)
neuper@37950
  1129
      }:rls;      
neuper@37950
  1130
neuper@37950
  1131
neuper@37950
  1132
(**. MG.03: make_polynomial_ ... uses SML-fun for ordering .**)
neuper@37950
  1133
neuper@37950
  1134
(*FIXME.0401: make SML-order local to make_polynomial(_) *)
neuper@37950
  1135
(*FIXME.0401: replace 'make_polynomial'(old) by 'make_polynomial_'(MG) *)
neuper@37950
  1136
(* Polynom --> List von Monomen *) 
neuper@38014
  1137
fun poly2list (Const ("Groups.plus_class.plus",_) $ t1 $ t2) = 
neuper@37950
  1138
    (poly2list t1) @ (poly2list t2)
neuper@37950
  1139
  | poly2list t = [t];
neuper@37950
  1140
neuper@37950
  1141
(* Monom --> Liste von Variablen *)
neuper@38034
  1142
fun monom2list (Const ("Groups.times_class.times",_) $ t1 $ t2) = 
neuper@37950
  1143
    (monom2list t1) @ (monom2list t2)
neuper@37950
  1144
  | monom2list t = [t];
neuper@37950
  1145
neuper@37950
  1146
(* liefert Variablenname (String) einer Variablen und Basis bei Potenz *)
neuper@37950
  1147
fun get_basStr (Const ("Atools.pow",_) $ Free (str, _) $ _) = str
neuper@37950
  1148
  | get_basStr (Free (str, _)) = str
neuper@37950
  1149
  | get_basStr t = "|||"; (* gross gewichtet; für Brüch ect. *)
neuper@37950
  1150
(*| get_basStr t = 
neuper@38031
  1151
    error("get_basStr: called with t= "^(term2str t));*)
neuper@37950
  1152
neuper@37950
  1153
(* liefert Hochzahl (String) einer Variablen bzw Gewichtstring (zum Sortieren) *)
neuper@37950
  1154
fun get_potStr (Const ("Atools.pow",_) $ Free _ $ Free (str, _)) = str
neuper@37950
  1155
  | get_potStr (Const ("Atools.pow",_) $ Free _ $ _ ) = "|||" (* gross gewichtet *)
neuper@37950
  1156
  | get_potStr (Free (str, _)) = "---" (* keine Hochzahl --> kleinst gewichtet *)
neuper@37950
  1157
  | get_potStr t = "||||||"; (* gross gewichtet; für Brüch ect. *)
neuper@37950
  1158
(*| get_potStr t = 
neuper@38031
  1159
    error("get_potStr: called with t= "^(term2str t));*)
neuper@37950
  1160
neuper@37950
  1161
(* Umgekehrte string_ord *)
neuper@37950
  1162
val string_ord_rev =  rev_order o string_ord;
neuper@37950
  1163
		
neuper@37950
  1164
 (* Ordnung zum lexikographischen Vergleich zweier Variablen (oder Potenzen) 
neuper@37950
  1165
    innerhalb eines Monomes:
neuper@37950
  1166
    - zuerst lexikographisch nach Variablenname 
neuper@37950
  1167
    - wenn gleich: nach steigender Potenz *)
neuper@37950
  1168
fun var_ord (a,b: term) = prod_ord string_ord string_ord 
neuper@37950
  1169
    ((get_basStr a, get_potStr a), (get_basStr b, get_potStr b));
neuper@37950
  1170
neuper@37950
  1171
(* Ordnung zum lexikographischen Vergleich zweier Variablen (oder Potenzen); 
neuper@37950
  1172
   verwendet zum Sortieren von Monomen mittels Gesamtgradordnung:
neuper@37950
  1173
   - zuerst lexikographisch nach Variablenname 
neuper@37950
  1174
   - wenn gleich: nach sinkender Potenz*)
neuper@37950
  1175
fun var_ord_revPow (a,b: term) = prod_ord string_ord string_ord_rev 
neuper@37950
  1176
    ((get_basStr a, get_potStr a), (get_basStr b, get_potStr b));
neuper@37950
  1177
neuper@37950
  1178
neuper@37950
  1179
(* Ordnet ein Liste von Variablen (und Potenzen) lexikographisch *)
neuper@37950
  1180
val sort_varList = sort var_ord;
neuper@37950
  1181
neuper@37950
  1182
(* Entfernet aeussersten Operator (Wurzel) aus einem Term und schreibt 
neuper@37950
  1183
   Argumente in eine Liste *)
neuper@37950
  1184
fun args u : term list =
neuper@37950
  1185
    let fun stripc (f$t, ts) = stripc (f, t::ts)
neuper@37950
  1186
	  | stripc (t as Free _, ts) = (t::ts)
neuper@37950
  1187
	  | stripc (_, ts) = ts
neuper@37950
  1188
    in stripc (u, []) end;
neuper@37950
  1189
                                    
neuper@37950
  1190
(* liefert True, falls der Term (Liste von Termen) nur Zahlen 
neuper@37950
  1191
   (keine Variablen) enthaelt *)
neuper@37950
  1192
fun filter_num [] = true
neuper@37950
  1193
  | filter_num [Free x] = if (is_num (Free x)) then true
neuper@37950
  1194
				else false
neuper@37950
  1195
  | filter_num ((Free _)::_) = false
neuper@37950
  1196
  | filter_num ts =
neuper@37950
  1197
    (filter_num o (filter_out is_num) o flat o (map args)) ts;
neuper@37950
  1198
neuper@37950
  1199
(* liefert True, falls der Term nur Zahlen (keine Variablen) enthaelt 
neuper@37950
  1200
   dh. er ist ein numerischer Wert und entspricht einem Koeffizienten *)
neuper@37950
  1201
fun is_nums t = filter_num [t];
neuper@37950
  1202
neuper@37950
  1203
(* Berechnet den Gesamtgrad eines Monoms *)
neuper@37950
  1204
local 
neuper@37950
  1205
    fun counter (n, []) = n
neuper@37950
  1206
      | counter (n, x :: xs) = 
neuper@37950
  1207
	if (is_nums x) then
neuper@37950
  1208
	    counter (n, xs) 
neuper@37950
  1209
	else 
neuper@37950
  1210
	    (case x of 
neuper@37950
  1211
		 (Const ("Atools.pow", _) $ Free (str_b, _) $ Free (str_h, T)) => 
neuper@37950
  1212
		     if (is_nums (Free (str_h, T))) then
neuper@37950
  1213
			 counter (n + (the (int_of_str str_h)), xs)
neuper@37950
  1214
		     else counter (n + 1000, xs) (*FIXME.MG?!*)
neuper@37950
  1215
	       | (Const ("Atools.pow", _) $ Free (str_b, _) $ _ ) => 
neuper@37950
  1216
		     counter (n + 1000, xs) (*FIXME.MG?!*)
neuper@37950
  1217
	       | (Free (str, _)) => counter (n + 1, xs)
neuper@38031
  1218
	     (*| _ => error("monom_degree: called with factor: "^(term2str x)))*)
neuper@37950
  1219
	       | _ => counter (n + 10000, xs)) (*FIXME.MG?! ... Brüche ect.*)
neuper@37950
  1220
in  
neuper@37950
  1221
    fun monom_degree l = counter (0, l) 
neuper@37980
  1222
end;(*local*)
neuper@37950
  1223
neuper@37950
  1224
(* wie Ordnung dict_ord (lexicographische Ordnung zweier Listen, mit Vergleich 
neuper@37950
  1225
   der Listen-Elemente mit elem_ord) - Elemente die Bedingung cond erfuellen, 
neuper@37950
  1226
   werden jedoch dabei ignoriert (uebersprungen)  *)
neuper@37950
  1227
fun dict_cond_ord _ _ ([], []) = EQUAL
neuper@37950
  1228
  | dict_cond_ord _ _ ([], _ :: _) = LESS
neuper@37950
  1229
  | dict_cond_ord _ _ (_ :: _, []) = GREATER
neuper@37950
  1230
  | dict_cond_ord elem_ord cond (x :: xs, y :: ys) =
neuper@37950
  1231
    (case (cond x, cond y) of 
neuper@37950
  1232
	 (false, false) => (case elem_ord (x, y) of 
neuper@37950
  1233
				EQUAL => dict_cond_ord elem_ord cond (xs, ys) 
neuper@37950
  1234
			      | ord => ord)
neuper@37950
  1235
       | (false, true)  => dict_cond_ord elem_ord cond (x :: xs, ys)
neuper@37950
  1236
       | (true, false)  => dict_cond_ord elem_ord cond (xs, y :: ys)
neuper@37950
  1237
       | (true, true)  =>  dict_cond_ord elem_ord cond (xs, ys) );
neuper@37950
  1238
neuper@37950
  1239
(* Gesamtgradordnung zum Vergleich von Monomen (Liste von Variablen/Potenzen):
neuper@37950
  1240
   zuerst nach Gesamtgrad, bei gleichem Gesamtgrad lexikographisch ordnen - 
neuper@37950
  1241
   dabei werden Koeffizienten ignoriert (2*3*a^^^2*4*b gilt wie a^^^2*b) *)
neuper@37950
  1242
fun degree_ord (xs, ys) =
neuper@37950
  1243
	    prod_ord int_ord (dict_cond_ord var_ord_revPow is_nums) 
neuper@37950
  1244
	    ((monom_degree xs, xs), (monom_degree ys, ys));
neuper@37950
  1245
neuper@37950
  1246
fun hd_str str = substring (str, 0, 1);
neuper@37950
  1247
fun tl_str str = substring (str, 1, (size str) - 1);
neuper@37950
  1248
neuper@37950
  1249
(* liefert nummerischen Koeffizienten eines Monoms oder NONE *)
neuper@38031
  1250
fun get_koeff_of_mon [] =  error("get_koeff_of_mon: called with l = []")
neuper@37950
  1251
  | get_koeff_of_mon (l as x::xs) = if is_nums x then SOME x
neuper@37950
  1252
				    else NONE;
neuper@37950
  1253
neuper@37950
  1254
(* wandelt Koeffizient in (zum sortieren geeigneten) String um *)
neuper@37950
  1255
fun koeff2ordStr (SOME x) = (case x of 
neuper@37950
  1256
				 (Free (str, T)) => 
neuper@37950
  1257
				     if (hd_str str) = "-" then (tl_str str)^"0" (* 3 < -3 *)
neuper@37950
  1258
				     else str
neuper@37950
  1259
			       | _ => "aaa") (* "num.Ausdruck" --> gross *)
neuper@37950
  1260
  | koeff2ordStr NONE = "---"; (* "kein Koeff" --> kleinste *)
neuper@37950
  1261
neuper@37950
  1262
(* Order zum Vergleich von Koeffizienten (strings): 
neuper@37950
  1263
   "kein Koeff" < "0" < "1" < "-1" < "2" < "-2" < ... < "num.Ausdruck" *)
neuper@37950
  1264
fun compare_koeff_ord (xs, ys) = 
neuper@37950
  1265
    string_ord ((koeff2ordStr o get_koeff_of_mon) xs,
neuper@37950
  1266
		(koeff2ordStr o get_koeff_of_mon) ys);
neuper@37950
  1267
neuper@37950
  1268
(* Gesamtgradordnung degree_ord + Ordnen nach Koeffizienten falls EQUAL *)
neuper@37950
  1269
fun koeff_degree_ord (xs, ys) =
neuper@37950
  1270
	    prod_ord degree_ord compare_koeff_ord ((xs, xs), (ys, ys));
neuper@37950
  1271
neuper@37950
  1272
(* Ordnet ein Liste von Monomen (Monom = Liste von Variablen) mittels 
neuper@37950
  1273
   Gesamtgradordnung *)
neuper@37950
  1274
val sort_monList = sort koeff_degree_ord;
neuper@37950
  1275
neuper@37950
  1276
(* Alternativ zu degree_ord koennte auch die viel einfachere und 
neuper@37950
  1277
   kuerzere Ordnung simple_ord verwendet werden - ist aber nicht 
neuper@37950
  1278
   fuer unsere Zwecke geeignet!
neuper@37950
  1279
neuper@37950
  1280
fun simple_ord (al,bl: term list) = dict_ord string_ord 
neuper@37950
  1281
	 (map get_basStr al, map get_basStr bl); 
neuper@37950
  1282
neuper@37950
  1283
val sort_monList = sort simple_ord; *)
neuper@37950
  1284
neuper@37950
  1285
(* aus 2 Variablen wird eine Summe bzw ein Produkt erzeugt 
neuper@37950
  1286
   (mit gewuenschtem Typen T) *)
neuper@38014
  1287
fun plus T = Const ("Groups.plus_class.plus", [T,T] ---> T);
neuper@38034
  1288
fun mult T = Const ("Groups.times_class.times", [T,T] ---> T);
neuper@37950
  1289
fun binop op_ t1 t2 = op_ $ t1 $ t2;
neuper@37950
  1290
fun create_prod T (a,b) = binop (mult T) a b;
neuper@37950
  1291
fun create_sum T (a,b) = binop (plus T) a b;
neuper@37950
  1292
neuper@37950
  1293
(* löscht letztes Element einer Liste *)
neuper@37950
  1294
fun drop_last l = take ((length l)-1,l);
neuper@37950
  1295
neuper@37950
  1296
(* Liste von Variablen --> Monom *)
neuper@37950
  1297
fun create_monom T vl = foldr (create_prod T) (drop_last vl, last_elem vl);
neuper@37950
  1298
(* Bemerkung: 
neuper@37950
  1299
   foldr bewirkt rechtslastige Klammerung des Monoms - ist notwendig, damit zwei 
neuper@37950
  1300
   gleiche Monome zusammengefasst werden können (collect_numerals)! 
neuper@37950
  1301
   zB: 2*(x*(y*z)) + 3*(x*(y*z)) --> (2+3)*(x*(y*z))*)
neuper@37950
  1302
neuper@37950
  1303
(* Liste von Monomen --> Polynom *)	
neuper@37950
  1304
fun create_polynom T ml = foldl (create_sum T) (hd ml, tl ml);
neuper@37950
  1305
(* Bemerkung: 
neuper@37950
  1306
   foldl bewirkt linkslastige Klammerung des Polynoms (der Summanten) - 
neuper@37950
  1307
   bessere Darstellung, da keine Klammern sichtbar! 
neuper@37950
  1308
   (und discard_parentheses in make_polynomial hat weniger zu tun) *)
neuper@37950
  1309
neuper@37950
  1310
(* sorts the variables (faktors) of an expanded polynomial lexicographical *)
neuper@37950
  1311
fun sort_variables t = 
neuper@37950
  1312
    let
neuper@37950
  1313
	val ll =  map monom2list (poly2list t);
neuper@37950
  1314
	val lls = map sort_varList ll; 
neuper@37950
  1315
	val T = type_of t;
neuper@37950
  1316
	val ls = map (create_monom T) lls;
neuper@37950
  1317
    in create_polynom T ls end;
neuper@37950
  1318
neuper@37950
  1319
(* sorts the monoms of an expanded and variable-sorted polynomial 
neuper@37950
  1320
   by total_degree *)
neuper@37950
  1321
fun sort_monoms t = 
neuper@37950
  1322
    let
neuper@37950
  1323
	val ll =  map monom2list (poly2list t);
neuper@37950
  1324
	val lls = sort_monList ll;
neuper@37950
  1325
	val T = type_of t;
neuper@37950
  1326
	val ls = map (create_monom T) lls;
neuper@37950
  1327
    in create_polynom T ls end;
neuper@37950
  1328
neuper@37950
  1329
(* auch Klammerung muss übereinstimmen; 
neuper@37950
  1330
   sort_variables klammert Produkte rechtslastig*)
neuper@37950
  1331
fun is_multUnordered t = ((is_polyexp t) andalso not (t = sort_variables t));
neuper@37950
  1332
neuper@37950
  1333
fun eval_is_multUnordered (thmid:string) _ 
neuper@37950
  1334
		       (t as (Const("Poly.is'_multUnordered", _) $ arg)) thy = 
neuper@37950
  1335
    if is_multUnordered arg
neuper@37950
  1336
    then SOME (mk_thmid thmid "" 
neuper@38053
  1337
			(Print_Mode.setmp [] (Syntax.string_of_term
neuper@38053
  1338
                                              (thy2ctxt thy)) arg) "", 
neuper@37950
  1339
	       Trueprop $ (mk_equality (t, HOLogic.true_const)))
neuper@37950
  1340
    else SOME (mk_thmid thmid "" 
neuper@38053
  1341
			(Print_Mode.setmp [] (Syntax.string_of_term
neuper@38053
  1342
                                              (thy2ctxt thy)) arg) "", 
neuper@37950
  1343
	       Trueprop $ (mk_equality (t, HOLogic.false_const)))
neuper@37950
  1344
  | eval_is_multUnordered _ _ _ _ = NONE; 
neuper@37950
  1345
neuper@37950
  1346
neuper@37950
  1347
fun attach_form (_:rule list list) (_:term) (_:term) = (*still missing*)
neuper@37950
  1348
    []:(rule * (term * term list)) list;
neuper@37950
  1349
fun init_state (_:term) = e_rrlsstate;
neuper@37950
  1350
fun locate_rule (_:rule list list) (_:term) (_:rule) =
neuper@37950
  1351
    ([]:(rule * (term * term list)) list);
neuper@37950
  1352
fun next_rule (_:rule list list) (_:term) = (NONE:rule option);
neuper@37950
  1353
fun normal_form t = SOME (sort_variables t,[]:term list);
neuper@37950
  1354
neuper@37950
  1355
val order_mult_ =
neuper@37950
  1356
    Rrls {id = "order_mult_", 
neuper@37950
  1357
	  prepat = 
neuper@38036
  1358
          (* ?p matched with the current term gives an environment,
neuper@38037
  1359
             which evaluates (the instantiated) "?p is_multUnordered" to true *)
neuper@38037
  1360
	  [([parse_patt thy "?p is_multUnordered"], 
neuper@38037
  1361
             parse_patt thy "?p :: real")],
neuper@37950
  1362
	  rew_ord = ("dummy_ord", dummy_ord),
neuper@38037
  1363
	  erls = append_rls "e_rls-is_multUnordered" e_rls
neuper@37976
  1364
			    [Calc ("Poly.is'_multUnordered", 
neuper@37976
  1365
                                    eval_is_multUnordered "")],
neuper@38036
  1366
	  calc = [("PLUS"  , ("Groups.plus_class.plus", eval_binop "#add_")),
neuper@38036
  1367
		  ("TIMES" , ("Groups.times_class.times", eval_binop "#mult_")),
neuper@38036
  1368
		  ("DIVIDE", ("Rings.inverse_class.divide", 
neuper@38036
  1369
		              eval_cancel "#divide_e")),
neuper@37976
  1370
		  ("POWER" , ("Atools.pow", eval_binop "#power_"))],
neuper@37950
  1371
	  scr=Rfuns {init_state  = init_state,
neuper@37950
  1372
		     normal_form = normal_form,
neuper@37950
  1373
		     locate_rule = locate_rule,
neuper@37950
  1374
		     next_rule   = next_rule,
neuper@37950
  1375
		     attach_form = attach_form}};
neuper@37950
  1376
val order_mult_rls_ = 
neuper@37950
  1377
  Rls{id = "order_mult_rls_", preconds = [], 
neuper@37950
  1378
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
  1379
      erls = e_rls,srls = Erls,
neuper@37950
  1380
      calc = [],
neuper@37950
  1381
      rules = [Rls_ order_mult_
neuper@37950
  1382
	       ], scr = EmptyScr}:rls;
neuper@37950
  1383
neuper@37950
  1384
fun is_addUnordered t = ((is_polyexp t) andalso not (t = sort_monoms t));
neuper@37950
  1385
neuper@37950
  1386
(*WN.18.6.03 *)
neuper@37950
  1387
(*("is_addUnordered", ("Poly.is'_addUnordered", eval_is_addUnordered ""))*)
neuper@37950
  1388
fun eval_is_addUnordered (thmid:string) _ 
neuper@37950
  1389
		       (t as (Const("Poly.is'_addUnordered", _) $ arg)) thy = 
neuper@37950
  1390
    if is_addUnordered arg
neuper@37950
  1391
    then SOME (mk_thmid thmid "" 
neuper@38053
  1392
			(Print_Mode.setmp [] (Syntax.string_of_term
neuper@38053
  1393
                                              (thy2ctxt thy)) arg) "", 
neuper@37950
  1394
	       Trueprop $ (mk_equality (t, HOLogic.true_const)))
neuper@37950
  1395
    else SOME (mk_thmid thmid "" 
neuper@38053
  1396
			(Print_Mode.setmp [] (Syntax.string_of_term
neuper@38053
  1397
                                              (thy2ctxt thy)) arg) "", 
neuper@37950
  1398
	       Trueprop $ (mk_equality (t, HOLogic.false_const)))
neuper@37950
  1399
  | eval_is_addUnordered _ _ _ _ = NONE; 
neuper@37950
  1400
neuper@37950
  1401
fun attach_form (_:rule list list) (_:term) (_:term) = (*still missing*)
neuper@37950
  1402
    []:(rule * (term * term list)) list;
neuper@37950
  1403
fun init_state (_:term) = e_rrlsstate;
neuper@37950
  1404
fun locate_rule (_:rule list list) (_:term) (_:rule) =
neuper@37950
  1405
    ([]:(rule * (term * term list)) list);
neuper@37950
  1406
fun next_rule (_:rule list list) (_:term) = (NONE:rule option);
neuper@37950
  1407
fun normal_form t = SOME (sort_monoms t,[]:term list);
neuper@37950
  1408
neuper@37950
  1409
val order_add_ =
neuper@37950
  1410
    Rrls {id = "order_add_", 
neuper@37950
  1411
	  prepat = (*WN.18.6.03 Preconditions und Pattern,
neuper@37950
  1412
		    die beide passen muessen, damit das Rrls angewandt wird*)
neuper@38037
  1413
	  [([parse_patt @{theory} "?p is_addUnordered"], 
neuper@38037
  1414
	     parse_patt @{theory} "?p :: real" 
neuper@37950
  1415
	    (*WN.18.6.03 also KEIN pattern, dieses erzeugt nur das Environment 
neuper@37950
  1416
	      fuer die Evaluation der Precondition "p is_addUnordered"*))],
neuper@37950
  1417
	  rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
  1418
	  erls = append_rls "e_rls-is_addUnordered" e_rls(*MG: poly_erls*)
neuper@38037
  1419
			    [Calc ("Poly.is'_addUnordered",
neuper@38037
  1420
                                   eval_is_addUnordered "")],
neuper@38037
  1421
	  calc = [("PLUS"  ,("Groups.plus_class.plus", eval_binop "#add_")),
neuper@38037
  1422
		  ("TIMES" ,("Groups.times_class.times", eval_binop "#mult_")),
neuper@38037
  1423
		  ("DIVIDE",("Rings.inverse_class.divide",
neuper@38037
  1424
                              eval_cancel "#divide_e")),
neuper@38037
  1425
		  ("POWER" ,("Atools.pow"  ,eval_binop "#power_"))],
neuper@37950
  1426
	  (*asm_thm=[],*)
neuper@37950
  1427
	  scr=Rfuns {init_state  = init_state,
neuper@37950
  1428
		     normal_form = normal_form,
neuper@37950
  1429
		     locate_rule = locate_rule,
neuper@37950
  1430
		     next_rule   = next_rule,
neuper@37950
  1431
		     attach_form = attach_form}};
neuper@37950
  1432
neuper@37950
  1433
val order_add_rls_ = 
neuper@37950
  1434
  Rls{id = "order_add_rls_", preconds = [], 
neuper@37950
  1435
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
  1436
      erls = e_rls,srls = Erls,
neuper@37950
  1437
      calc = [],
neuper@37950
  1438
      (*asm_thm = [],*)
neuper@37950
  1439
      rules = [Rls_ order_add_
neuper@37950
  1440
	       ], scr = EmptyScr}:rls;
neuper@42398
  1441
*}
neuper@37950
  1442
neuper@42398
  1443
text {* rule-set make_polynomial also named norm_Poly:
neuper@42398
  1444
  Rewrite order has not been implemented properly; the order is better in 
neuper@42398
  1445
  make_polynomial_in (coded in SML).
neuper@42398
  1446
  Notes on state of development:
neuper@42398
  1447
  \# surprise 2006: test --- norm_Poly NOT COMPLETE ---
neuper@42398
  1448
  \# migration Isabelle2002 --> 2011 weakened the rule set, see test
neuper@42398
  1449
  --- Matthias Goldgruber 2003 rewrite orders ---, error "ord_make_polynomial_in #16b"
neuper@42398
  1450
*}
neuper@42398
  1451
ML {*
neuper@37950
  1452
(*. see MG-DA.p.52ff .*)
neuper@37950
  1453
val make_polynomial(*MG.03, overwrites version from above, 
neuper@37950
  1454
    previously 'make_polynomial_'*) =
neuper@37950
  1455
  Seq {id = "make_polynomial", preconds = []:term list, 
neuper@37950
  1456
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
  1457
      erls = Atools_erls, srls = Erls,calc = [],
neuper@37980
  1458
      rules = [Rls_ discard_minus,
neuper@37950
  1459
	       Rls_ expand_poly_,
neuper@38034
  1460
	       Calc ("Groups.times_class.times", eval_binop "#mult_"),
neuper@37950
  1461
	       Rls_ order_mult_rls_,
neuper@37950
  1462
	       Rls_ simplify_power_, 
neuper@37950
  1463
	       Rls_ calc_add_mult_pow_, 
neuper@37950
  1464
	       Rls_ reduce_012_mult_,
neuper@37950
  1465
	       Rls_ order_add_rls_,
neuper@37950
  1466
	       Rls_ collect_numerals_, 
neuper@37950
  1467
	       Rls_ reduce_012_,
neuper@37979
  1468
	       Rls_ discard_parentheses1
neuper@37950
  1469
	       ],
neuper@37950
  1470
      scr = EmptyScr
neuper@37950
  1471
      }:rls;
neuper@37950
  1472
val norm_Poly(*=make_polynomial*) = 
neuper@37950
  1473
  Seq {id = "norm_Poly", preconds = []:term list, 
neuper@37950
  1474
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
  1475
      erls = Atools_erls, srls = Erls, calc = [],
neuper@37980
  1476
      rules = [Rls_ discard_minus,
neuper@37950
  1477
	       Rls_ expand_poly_,
neuper@38034
  1478
	       Calc ("Groups.times_class.times", eval_binop "#mult_"),
neuper@37950
  1479
	       Rls_ order_mult_rls_,
neuper@37950
  1480
	       Rls_ simplify_power_, 
neuper@37950
  1481
	       Rls_ calc_add_mult_pow_, 
neuper@37950
  1482
	       Rls_ reduce_012_mult_,
neuper@37950
  1483
	       Rls_ order_add_rls_,
neuper@37950
  1484
	       Rls_ collect_numerals_, 
neuper@37950
  1485
	       Rls_ reduce_012_,
neuper@37979
  1486
	       Rls_ discard_parentheses1
neuper@37950
  1487
	       ],
neuper@37950
  1488
      scr = EmptyScr
neuper@37950
  1489
      }:rls;
neuper@37950
  1490
neuper@37979
  1491
(* MG:03 Like make_polynomial_ but without Rls_ discard_parentheses1 
neuper@37950
  1492
   and expand_poly_rat_ instead of expand_poly_, see MG-DA.p.56ff*)
neuper@37950
  1493
(* MG necessary  for termination of norm_Rational(*_mg*) in Rational.ML*)
neuper@37950
  1494
val make_rat_poly_with_parentheses =
neuper@37950
  1495
  Seq{id = "make_rat_poly_with_parentheses", preconds = []:term list, 
neuper@37950
  1496
      rew_ord = ("dummy_ord", dummy_ord),
neuper@37950
  1497
      erls = Atools_erls, srls = Erls, calc = [],
neuper@37980
  1498
      rules = [Rls_ discard_minus,
neuper@37950
  1499
	       Rls_ expand_poly_rat_,(*ignors rationals*)
neuper@38034
  1500
	       Calc ("Groups.times_class.times", eval_binop "#mult_"),
neuper@37950
  1501
	       Rls_ order_mult_rls_,
neuper@37950
  1502
	       Rls_ simplify_power_, 
neuper@37950
  1503
	       Rls_ calc_add_mult_pow_, 
neuper@37950
  1504
	       Rls_ reduce_012_mult_,
neuper@37950
  1505
	       Rls_ order_add_rls_,
neuper@37950
  1506
	       Rls_ collect_numerals_, 
neuper@37950
  1507
	       Rls_ reduce_012_
neuper@37979
  1508
	       (*Rls_ discard_parentheses1 *)
neuper@37950
  1509
	       ],
neuper@37950
  1510
      scr = EmptyScr
neuper@37950
  1511
      }:rls;
neuper@37950
  1512
neuper@37950
  1513
(*.a minimal ruleset for reverse rewriting of factions [2];
neuper@37950
  1514
   compare expand_binoms.*)
neuper@37950
  1515
val rev_rew_p = 
neuper@37950
  1516
Seq{id = "reverse_rewriting", preconds = [], rew_ord = ("termlessI",termlessI),
neuper@37950
  1517
    erls = Atools_erls, srls = Erls,
neuper@38014
  1518
    calc = [(*("PLUS"  , ("Groups.plus_class.plus", eval_binop "#add_")), 
neuper@38034
  1519
	    ("TIMES" , ("Groups.times_class.times", eval_binop "#mult_")),
neuper@37950
  1520
	    ("POWER", ("Atools.pow", eval_binop "#power_"))*)
neuper@37950
  1521
	    ],
neuper@37969
  1522
    rules = [Thm ("real_plus_binom_times" ,num_str @{thm real_plus_binom_times}),
neuper@37950
  1523
	     (*"(a + b)*(a + b) = a ^ 2 + 2 * a * b + b ^ 2*)
neuper@37969
  1524
	     Thm ("real_plus_binom_times1" ,num_str @{thm real_plus_binom_times1}),
neuper@37950
  1525
	     (*"(a +  1*b)*(a + -1*b) = a^^^2 + -1*b^^^2"*)
neuper@37969
  1526
	     Thm ("real_plus_binom_times2" ,num_str @{thm real_plus_binom_times2}),
neuper@37950
  1527
	     (*"(a + -1*b)*(a +  1*b) = a^^^2 + -1*b^^^2"*)
neuper@37950
  1528
neuper@37965
  1529
	     Thm ("mult_1_left",num_str @{thm mult_1_left}),(*"1 * z = z"*)
neuper@37950
  1530
neuper@37965
  1531
             Thm ("left_distrib" ,num_str @{thm left_distrib}),
neuper@37950
  1532
	     (*"(z1.0 + z2.0) * w = z1.0 * w + z2.0 * w"*)
neuper@37974
  1533
	     Thm ("right_distrib",num_str @{thm right_distrib}),
neuper@37950
  1534
	     (*"w * (z1.0 + z2.0) = w * z1.0 + w * z2.0"*)
neuper@37950
  1535
	       
neuper@37969
  1536
	     Thm ("real_mult_assoc", num_str @{thm real_mult_assoc}),
neuper@37950
  1537
	     (*"?z1.1 * ?z2.1 * ?z3. =1 ?z1.1 * (?z2.1 * ?z3.1)"*)
neuper@37950
  1538
	     Rls_ order_mult_rls_,
neuper@37950
  1539
	     (*Rls_ order_add_rls_,*)
neuper@37950
  1540
neuper@38014
  1541
	     Calc ("Groups.plus_class.plus", eval_binop "#add_"), 
neuper@38034
  1542
	     Calc ("Groups.times_class.times", eval_binop "#mult_"),
neuper@37950
  1543
	     Calc ("Atools.pow", eval_binop "#power_"),
neuper@37950
  1544
	     
neuper@37969
  1545
	     Thm ("sym_realpow_twoI",
neuper@37969
  1546
                   num_str (@{thm realpow_twoI} RS @{thm sym})),
neuper@37950
  1547
	     (*"r1 * r1 = r1 ^^^ 2"*)
neuper@37969
  1548
	     Thm ("sym_real_mult_2",
neuper@37969
  1549
                   num_str (@{thm real_mult_2} RS @{thm sym})),
neuper@37950
  1550
	     (*"z1 + z1 = 2 * z1"*)
neuper@37969
  1551
	     Thm ("real_mult_2_assoc",num_str @{thm real_mult_2_assoc}),
neuper@37950
  1552
	     (*"z1 + (z1 + k) = 2 * z1 + k"*)
neuper@37950
  1553
neuper@37969
  1554
	     Thm ("real_num_collect",num_str @{thm real_num_collect}), 
neuper@37950
  1555
	     (*"[| l is_const; m is_const |]==>l * n + m * n = (l + m) * n"*)
neuper@37969
  1556
	     Thm ("real_num_collect_assoc",num_str @{thm real_num_collect_assoc}),
neuper@37950
  1557
	     (*"[| l is_const; m is_const |] ==>  
neuper@37950
  1558
                                     l * n + (m * n + k) =  (l + m) * n + k"*)
neuper@37969
  1559
	     Thm ("real_one_collect",num_str @{thm real_one_collect}),
neuper@37950
  1560
	     (*"m is_const ==> n + m * n = (1 + m) * n"*)
neuper@37969
  1561
	     Thm ("real_one_collect_assoc",num_str @{thm real_one_collect_assoc}), 
neuper@37950
  1562
	     (*"m is_const ==> k + (n + m * n) = k + (1 + m) * n"*)
neuper@37950
  1563
neuper@37969
  1564
	     Thm ("realpow_multI", num_str @{thm realpow_multI}),
neuper@37950
  1565
	     (*"(r * s) ^^^ n = r ^^^ n * s ^^^ n"*)
neuper@37950
  1566
neuper@38014
  1567
	     Calc ("Groups.plus_class.plus", eval_binop "#add_"), 
neuper@38034
  1568
	     Calc ("Groups.times_class.times", eval_binop "#mult_"),
neuper@37950
  1569
	     Calc ("Atools.pow", eval_binop "#power_"),
neuper@37950
  1570
neuper@37965
  1571
	     Thm ("mult_1_left",num_str @{thm mult_1_left}),(*"1 * z = z"*)
neuper@37965
  1572
	     Thm ("mult_zero_left",num_str @{thm mult_zero_left}),(*"0 * z = 0"*)
neuper@37965
  1573
	     Thm ("add_0_left",num_str @{thm add_0_left})(*0 + z = z*)
neuper@37950
  1574
neuper@37950
  1575
	     (*Rls_ order_add_rls_*)
neuper@37950
  1576
	     ],
neuper@37950
  1577
neuper@37950
  1578
    scr = EmptyScr}:rls;      
neuper@37950
  1579
neuper@37950
  1580
ruleset' := 
neuper@37967
  1581
overwritelthy @{theory} (!ruleset',
neuper@37950
  1582
		   [("norm_Poly", prep_rls norm_Poly),
neuper@37950
  1583
		    ("Poly_erls",Poly_erls)(*FIXXXME:del with rls.rls'*),
neuper@37950
  1584
		    ("expand", prep_rls expand),
neuper@37950
  1585
		    ("expand_poly", prep_rls expand_poly),
neuper@37950
  1586
		    ("simplify_power", prep_rls simplify_power),
neuper@37950
  1587
		    ("order_add_mult", prep_rls order_add_mult),
neuper@37950
  1588
		    ("collect_numerals", prep_rls collect_numerals),
neuper@37950
  1589
		    ("collect_numerals_", prep_rls collect_numerals_),
neuper@37950
  1590
		    ("reduce_012", prep_rls reduce_012),
neuper@37950
  1591
		    ("discard_parentheses", prep_rls discard_parentheses),
neuper@37950
  1592
		    ("make_polynomial", prep_rls make_polynomial),
neuper@37950
  1593
		    ("expand_binoms", prep_rls expand_binoms),
neuper@37950
  1594
		    ("rev_rew_p", prep_rls rev_rew_p),
neuper@37980
  1595
		    ("discard_minus", prep_rls discard_minus),
neuper@37950
  1596
		    ("expand_poly_", prep_rls expand_poly_),
neuper@37950
  1597
		    ("expand_poly_rat_", prep_rls expand_poly_rat_),
neuper@37950
  1598
		    ("simplify_power_", prep_rls simplify_power_),
neuper@37950
  1599
		    ("calc_add_mult_pow_", prep_rls calc_add_mult_pow_),
neuper@37950
  1600
		    ("reduce_012_mult_", prep_rls reduce_012_mult_),
neuper@37950
  1601
		    ("reduce_012_", prep_rls reduce_012_),
neuper@37979
  1602
		    ("discard_parentheses1",prep_rls discard_parentheses1),
neuper@37950
  1603
		    ("order_mult_rls_", prep_rls order_mult_rls_),
neuper@37950
  1604
		    ("order_add_rls_", prep_rls order_add_rls_),
neuper@37950
  1605
		    ("make_rat_poly_with_parentheses", 
neuper@37950
  1606
		     prep_rls make_rat_poly_with_parentheses)
neuper@37950
  1607
		    ]);
neuper@37950
  1608
neuper@37950
  1609
calclist':= overwritel (!calclist', 
neuper@37950
  1610
   [("is_polyrat_in", ("Poly.is'_polyrat'_in", 
neuper@37950
  1611
		       eval_is_polyrat_in "#eval_is_polyrat_in")),
neuper@37950
  1612
    ("is_expanded_in", ("Poly.is'_expanded'_in", eval_is_expanded_in "")),
neuper@37950
  1613
    ("is_poly_in", ("Poly.is'_poly'_in", eval_is_poly_in "")),
neuper@37950
  1614
    ("has_degree_in", ("Poly.has'_degree'_in", eval_has_degree_in "")),
neuper@37950
  1615
    ("is_polyexp", ("Poly.is'_polyexp", eval_is_polyexp "")),
neuper@37950
  1616
    ("is_multUnordered", ("Poly.is'_multUnordered", eval_is_multUnordered"")),
neuper@37950
  1617
    ("is_addUnordered", ("Poly.is'_addUnordered", eval_is_addUnordered ""))
neuper@37950
  1618
    ]);
neuper@37950
  1619
neuper@37976
  1620
val ------------------------------------------------------ = "11111";
neuper@37950
  1621
neuper@37950
  1622
(** problems **)
neuper@37950
  1623
neuper@37950
  1624
store_pbt
neuper@37972
  1625
 (prep_pbt thy "pbl_simp_poly" [] e_pblID
neuper@37950
  1626
 (["polynomial","simplification"],
neuper@38083
  1627
  [("#Given" ,["Term t_t"]),
neuper@37976
  1628
   ("#Where" ,["t_t is_polyexp"]),
neuper@37976
  1629
   ("#Find"  ,["normalform n_n"])
neuper@37950
  1630
  ],
neuper@37950
  1631
  append_rls "e_rls" e_rls [(*for preds in where_*)
neuper@37950
  1632
			    Calc ("Poly.is'_polyexp", eval_is_polyexp "")], 
neuper@37976
  1633
  SOME "Simplify t_t", 
neuper@37950
  1634
  [["simplification","for_polynomials"]]));
neuper@37950
  1635
neuper@37950
  1636
(** methods **)
neuper@37950
  1637
neuper@37950
  1638
store_met
neuper@37972
  1639
    (prep_met thy "met_simp_poly" [] e_metID
neuper@37950
  1640
	      (["simplification","for_polynomials"],
neuper@38083
  1641
	       [("#Given" ,["Term t_t"]),
neuper@37976
  1642
		("#Where" ,["t_t is_polyexp"]),
neuper@37976
  1643
		("#Find"  ,["normalform n_n"])
neuper@37950
  1644
		],
neuper@37950
  1645
	       {rew_ord'="tless_true",
neuper@37950
  1646
		rls' = e_rls,
neuper@37950
  1647
		calc = [], 
neuper@37950
  1648
		srls = e_rls, 
neuper@37950
  1649
		prls = append_rls "simplification_for_polynomials_prls" e_rls 
neuper@37950
  1650
				  [(*for preds in where_*)
neuper@37950
  1651
				   Calc ("Poly.is'_polyexp",eval_is_polyexp"")],
neuper@37950
  1652
		crls = e_rls, nrls = norm_Poly},
neuper@37976
  1653
	       "Script SimplifyScript (t_t::real) =                " ^
neuper@37976
  1654
	       "  ((Rewrite_Set norm_Poly False) t_t)"
neuper@37950
  1655
	       ));
neuper@37950
  1656
*}
neuper@37950
  1657
neuper@37906
  1658
end