src/Tools/isac/Knowledge/RatEq.thy
branchisac-update-Isa09-2
changeset 37966 78938fc8e022
parent 37954 4022d670753c
child 37967 bd4f7a35e892
equal deleted inserted replaced
37965:9c11005c33b8 37966:78938fc8e022
    81 	      Calc ("Tools.matches",eval_matches ""),
    81 	      Calc ("Tools.matches",eval_matches ""),
    82 	      Calc ("Tools.lhs"    ,eval_lhs ""),
    82 	      Calc ("Tools.lhs"    ,eval_lhs ""),
    83 	      Calc ("Tools.rhs"    ,eval_rhs ""),
    83 	      Calc ("Tools.rhs"    ,eval_rhs ""),
    84 	      Calc ("RatEq.is'_ratequation'_in",eval_is_ratequation_in ""),
    84 	      Calc ("RatEq.is'_ratequation'_in",eval_is_ratequation_in ""),
    85 	      Calc ("op =",eval_equal "#equal_"),
    85 	      Calc ("op =",eval_equal "#equal_"),
    86 	      Thm ("not_true",num_str not_true),
    86 	      Thm ("not_true",num_str @{not_true),
    87 	      Thm ("not_false",num_str not_false),
    87 	      Thm ("not_false",num_str @{not_false),
    88 	      Thm ("and_true",num_str and_true),
    88 	      Thm ("and_true",num_str @{and_true),
    89 	      Thm ("and_false",num_str and_false),
    89 	      Thm ("and_false",num_str @{and_false),
    90 	      Thm ("or_true",num_str or_true),
    90 	      Thm ("or_true",num_str @{or_true),
    91 	      Thm ("or_false",num_str or_false)
    91 	      Thm ("or_false",num_str @{or_false)
    92 	      ];
    92 	      ];
    93 
    93 
    94 
    94 
    95 (*rls = merge_rls erls Poly_erls *)
    95 (*rls = merge_rls erls Poly_erls *)
    96 val rateq_erls = 
    96 val rateq_erls = 
   101 			[(*Calc ("HOL.divide", eval_cancel "#divide_"),*)
   101 			[(*Calc ("HOL.divide", eval_cancel "#divide_"),*)
   102 			 Calc ("RatEq.is'_ratequation'_in",
   102 			 Calc ("RatEq.is'_ratequation'_in",
   103 			       eval_is_ratequation_in "")
   103 			       eval_is_ratequation_in "")
   104 
   104 
   105 			 ]))
   105 			 ]))
   106 	[Thm ("and_commute",num_str and_commute), (*WN: ein Hack*)
   106 	[Thm ("and_commute",num_str @{and_commute), (*WN: ein Hack*)
   107 	 Thm ("or_commute",num_str or_commute)    (*WN: ein Hack*)
   107 	 Thm ("or_commute",num_str @{or_commute)    (*WN: ein Hack*)
   108 	 ];
   108 	 ];
   109 ruleset' := overwritelthy thy (!ruleset',
   109 ruleset' := overwritelthy thy (!ruleset',
   110 			[("rateq_erls",rateq_erls)(*FIXXXME:del with rls.rls'*)
   110 			[("rateq_erls",rateq_erls)(*FIXXXME:del with rls.rls'*)
   111 			 ]);
   111 			 ]);
   112 
   112 
   118 			Poly_erls
   118 			Poly_erls
   119 			[(*Calc ("HOL.divide", eval_cancel "#divide_"),*)
   119 			[(*Calc ("HOL.divide", eval_cancel "#divide_"),*)
   120 			 Calc ("RatEq.is'_ratequation'_in",
   120 			 Calc ("RatEq.is'_ratequation'_in",
   121 			       eval_is_ratequation_in "")
   121 			       eval_is_ratequation_in "")
   122 			 ]))
   122 			 ]))
   123 	[Thm ("and_commute",num_str and_commute), (*WN: ein Hack*)
   123 	[Thm ("and_commute",num_str @{and_commute), (*WN: ein Hack*)
   124 	 Thm ("or_commute",num_str or_commute)    (*WN: ein Hack*)
   124 	 Thm ("or_commute",num_str @{or_commute)    (*WN: ein Hack*)
   125 	 ];
   125 	 ];
   126 
   126 
   127 val RatEq_eliminate = prep_rls(
   127 val RatEq_eliminate = prep_rls(
   128   Rls {id = "RatEq_eliminate", preconds = [],
   128   Rls {id = "RatEq_eliminate", preconds = [],
   129        rew_ord = ("termlessI", termlessI), erls = rateq_erls, srls = Erls, 
   129        rew_ord = ("termlessI", termlessI), erls = rateq_erls, srls = Erls, 
   130        calc = [], 
   130        calc = [], 
   131        rules = [
   131        rules = [
   132 	    Thm("rat_mult_denominator_both",num_str rat_mult_denominator_both), 
   132 	    Thm("rat_mult_denominator_both",num_str @{rat_mult_denominator_both), 
   133 	     (* a/b=c/d -> ad=cb *)
   133 	     (* a/b=c/d -> ad=cb *)
   134 	    Thm("rat_mult_denominator_left",num_str rat_mult_denominator_left), 
   134 	    Thm("rat_mult_denominator_left",num_str @{rat_mult_denominator_left), 
   135 	     (* a  =c/d -> ad=c  *)
   135 	     (* a  =c/d -> ad=c  *)
   136 	    Thm("rat_mult_denominator_right",num_str rat_mult_denominator_right)
   136 	    Thm("rat_mult_denominator_right",num_str @{rat_mult_denominator_right)
   137 	     (* a/b=c   ->  a=cb *)
   137 	     (* a/b=c   ->  a=cb *)
   138 	    ],
   138 	    ],
   139     scr = Script ((term_of o the o (parse thy)) "empty_script")
   139     scr = Script ((term_of o the o (parse thy)) "empty_script")
   140     }:rls);
   140     }:rls);
   141 ruleset' := overwritelthy thy (!ruleset',
   141 ruleset' := overwritelthy thy (!ruleset',
   144 
   144 
   145 val RatEq_simplify = prep_rls(
   145 val RatEq_simplify = prep_rls(
   146   Rls {id = "RatEq_simplify", preconds = [], rew_ord = ("termlessI", termlessI),
   146   Rls {id = "RatEq_simplify", preconds = [], rew_ord = ("termlessI", termlessI),
   147       erls = rateq_erls, srls = Erls, calc = [], 
   147       erls = rateq_erls, srls = Erls, calc = [], 
   148     rules = [
   148     rules = [
   149 	     Thm("real_rat_mult_1",num_str real_rat_mult_1),
   149 	     Thm("real_rat_mult_1",num_str @{real_rat_mult_1),
   150 	     (*a*(b/c) = (a*b)/c*)
   150 	     (*a*(b/c) = (a*b)/c*)
   151 	     Thm("real_rat_mult_2",num_str real_rat_mult_2),
   151 	     Thm("real_rat_mult_2",num_str @{real_rat_mult_2),
   152 	     (*(a/b)*(c/d) = (a*c)/(b*d)*)
   152 	     (*(a/b)*(c/d) = (a*c)/(b*d)*)
   153              Thm("real_rat_mult_3",num_str real_rat_mult_3),
   153              Thm("real_rat_mult_3",num_str @{real_rat_mult_3),
   154              (* (a/b)*c = (a*c)/b*)
   154              (* (a/b)*c = (a*c)/b*)
   155 	     Thm("real_rat_pow",num_str real_rat_pow),
   155 	     Thm("real_rat_pow",num_str @{real_rat_pow),
   156 	     (*(a/b)^^^2 = a^^^2/b^^^2*)
   156 	     (*(a/b)^^^2 = a^^^2/b^^^2*)
   157 	     Thm("real_diff_minus",num_str real_diff_minus),
   157 	     Thm("real_diff_minus",num_str @{real_diff_minus),
   158 	     (* a - b = a + (-1) * b *)
   158 	     (* a - b = a + (-1) * b *)
   159              Thm("rat_double_rat_1",num_str rat_double_rat_1),
   159              Thm("rat_double_rat_1",num_str @{rat_double_rat_1),
   160              (* (a / (c/d) = (a*d) / c) *)
   160              (* (a / (c/d) = (a*d) / c) *)
   161              Thm("rat_double_rat_2",num_str rat_double_rat_2), 
   161              Thm("rat_double_rat_2",num_str @{rat_double_rat_2), 
   162              (* ((a/b) / (c/d) = (a*d) / (b*c)) *)
   162              (* ((a/b) / (c/d) = (a*d) / (b*c)) *)
   163              Thm("rat_double_rat_3",num_str rat_double_rat_3) 
   163              Thm("rat_double_rat_3",num_str @{rat_double_rat_3) 
   164              (* ((a/b) / c = a / (b*c) ) *)
   164              (* ((a/b) / c = a / (b*c) ) *)
   165 	     ],
   165 	     ],
   166     scr = Script ((term_of o the o (parse thy)) "empty_script")
   166     scr = Script ((term_of o the o (parse thy)) "empty_script")
   167     }:rls);
   167     }:rls);
   168 ruleset' := overwritelthy thy (!ruleset',
   168 ruleset' := overwritelthy thy (!ruleset',