src/Tools/isac/Knowledge/RootEq.thy
branchisac-update-Isa09-2
changeset 37983 03bfbc480107
parent 37982 66f3570ba808
child 37984 972a73d7c50b
     1.1 --- a/src/Tools/isac/Knowledge/RootEq.thy	Mon Sep 06 15:53:18 2010 +0200
     1.2 +++ b/src/Tools/isac/Knowledge/RootEq.thy	Mon Sep 06 16:56:22 2010 +0200
     1.3 @@ -40,81 +40,81 @@
     1.4  axioms 
     1.5  
     1.6  (* normalize *)
     1.7 -  makex1_x            "a^^^1  = a"  
     1.8 -  real_assoc_1        "a+(b+c) = a+b+c"
     1.9 -  real_assoc_2        "a*(b*c) = a*b*c"
    1.10 +  makex1_x:            "a^^^1  = a"  
    1.11 +  real_assoc_1:        "a+(b+c) = a+b+c"
    1.12 +  real_assoc_2:        "a*(b*c) = a*b*c"
    1.13  
    1.14    (* simplification of root*)
    1.15 -  sqrt_square_1       "[|0 <= a|] ==>  (sqrt a)^^^2 = a"
    1.16 -  sqrt_square_2       "sqrt (a ^^^ 2) = a"
    1.17 -  sqrt_times_root_1   "sqrt a * sqrt b = sqrt(a*b)"
    1.18 -  sqrt_times_root_2   "a * sqrt b * sqrt c = a * sqrt(b*c)"
    1.19 +  sqrt_square_1:       "[|0 <= a|] ==>  (sqrt a)^^^2 = a"
    1.20 +  sqrt_square_2:       "sqrt (a ^^^ 2) = a"
    1.21 +  sqrt_times_root_1:   "sqrt a * sqrt b = sqrt(a*b)"
    1.22 +  sqrt_times_root_2:   "a * sqrt b * sqrt c = a * sqrt(b*c)"
    1.23  
    1.24    (* isolate one root on the LEFT or RIGHT hand side of the equation *)
    1.25 -  sqrt_isolate_l_add1 "[|bdv occurs_in c|] ==> 
    1.26 +  sqrt_isolate_l_add1: "[|bdv occurs_in c|] ==> 
    1.27     (a + b*sqrt(c) = d) = (b * sqrt(c) = d+ (-1) * a)"
    1.28 -  sqrt_isolate_l_add2 "[|bdv occurs_in c|] ==>
    1.29 +  sqrt_isolate_l_add2: "[|bdv occurs_in c|] ==>
    1.30     (a + sqrt(c) = d) = ((sqrt(c) = d+ (-1) * a))"
    1.31 -  sqrt_isolate_l_add3 "[|bdv occurs_in c|] ==>
    1.32 +  sqrt_isolate_l_add3: "[|bdv occurs_in c|] ==>
    1.33     (a + b*(e/sqrt(c)) = d) = (b * (e/sqrt(c)) = d + (-1) * a)"
    1.34 -  sqrt_isolate_l_add4 "[|bdv occurs_in c|] ==>
    1.35 +  sqrt_isolate_l_add4: "[|bdv occurs_in c|] ==>
    1.36     (a + b/(f*sqrt(c)) = d) = (b / (f*sqrt(c)) = d + (-1) * a)"
    1.37 -  sqrt_isolate_l_add5 "[|bdv occurs_in c|] ==>
    1.38 +  sqrt_isolate_l_add5: "[|bdv occurs_in c|] ==>
    1.39     (a + b*(e/(f*sqrt(c))) = d) = (b * (e/(f*sqrt(c))) = d+ (-1) * a)"
    1.40 -  sqrt_isolate_l_add6 "[|bdv occurs_in c|] ==>
    1.41 +  sqrt_isolate_l_add6: "[|bdv occurs_in c|] ==>
    1.42     (a + b/sqrt(c) = d) = (b / sqrt(c) = d+ (-1) * a)"
    1.43 -  sqrt_isolate_r_add1 "[|bdv occurs_in f|] ==>
    1.44 +  sqrt_isolate_r_add1: "[|bdv occurs_in f|] ==>
    1.45     (a = d + e*sqrt(f)) = (a + (-1) * d = e*sqrt(f))"
    1.46 -  sqrt_isolate_r_add2 "[|bdv occurs_in f|] ==>
    1.47 +  sqrt_isolate_r_add2: "[|bdv occurs_in f|] ==>
    1.48     (a = d + sqrt(f)) = (a + (-1) * d = sqrt(f))"
    1.49   (* small hack: thm 3,5,6 are not needed if rootnormalize is well done*)
    1.50 -  sqrt_isolate_r_add3 "[|bdv occurs_in f|] ==>
    1.51 +  sqrt_isolate_r_add3: "[|bdv occurs_in f|] ==>
    1.52     (a = d + e*(g/sqrt(f))) = (a + (-1) * d = e*(g/sqrt(f)))"
    1.53 -  sqrt_isolate_r_add4 "[|bdv occurs_in f|] ==>
    1.54 +  sqrt_isolate_r_add4: "[|bdv occurs_in f|] ==>
    1.55     (a = d + g/sqrt(f)) = (a + (-1) * d = g/sqrt(f))"
    1.56 -  sqrt_isolate_r_add5 "[|bdv occurs_in f|] ==>
    1.57 +  sqrt_isolate_r_add5: "[|bdv occurs_in f|] ==>
    1.58     (a = d + e*(g/(h*sqrt(f)))) = (a + (-1) * d = e*(g/(h*sqrt(f))))"
    1.59 -  sqrt_isolate_r_add6 "[|bdv occurs_in f|] ==>
    1.60 +  sqrt_isolate_r_add6: "[|bdv occurs_in f|] ==>
    1.61     (a = d + g/(h*sqrt(f))) = (a + (-1) * d = g/(h*sqrt(f)))"
    1.62   
    1.63    (* eliminate isolates sqrt *)
    1.64 -  sqrt_square_equation_both_1 "[|bdv occurs_in b; bdv occurs_in d|] ==> 
    1.65 +  sqrt_square_equation_both_1: "[|bdv occurs_in b; bdv occurs_in d|] ==> 
    1.66     ( (sqrt a + sqrt b         = sqrt c + sqrt d) = 
    1.67       (a+2*sqrt(a)*sqrt(b)+b  = c+2*sqrt(c)*sqrt(d)+d))"
    1.68 -  sqrt_square_equation_both_2 "[|bdv occurs_in b; bdv occurs_in d|] ==> 
    1.69 +  sqrt_square_equation_both_2: "[|bdv occurs_in b; bdv occurs_in d|] ==> 
    1.70     ( (sqrt a - sqrt b           = sqrt c + sqrt d) = 
    1.71       (a - 2*sqrt(a)*sqrt(b)+b  = c+2*sqrt(c)*sqrt(d)+d))"
    1.72 -  sqrt_square_equation_both_3 "[|bdv occurs_in b; bdv occurs_in d|] ==> 
    1.73 +  sqrt_square_equation_both_3: "[|bdv occurs_in b; bdv occurs_in d|] ==> 
    1.74     ( (sqrt a + sqrt b           = sqrt c - sqrt d) = 
    1.75       (a + 2*sqrt(a)*sqrt(b)+b  = c - 2*sqrt(c)*sqrt(d)+d))"
    1.76 -  sqrt_square_equation_both_4 "[|bdv occurs_in b; bdv occurs_in d|] ==> 
    1.77 +  sqrt_square_equation_both_4: "[|bdv occurs_in b; bdv occurs_in d|] ==> 
    1.78     ( (sqrt a - sqrt b           = sqrt c - sqrt d) = 
    1.79       (a - 2*sqrt(a)*sqrt(b)+b  = c - 2*sqrt(c)*sqrt(d)+d))"
    1.80 -  sqrt_square_equation_left_1 "[|bdv occurs_in a; 0 <= a; 0 <= b|] ==>
    1.81 +  sqrt_square_equation_left_1: "[|bdv occurs_in a; 0 <= a; 0 <= b|] ==>
    1.82     ( (sqrt (a) = b) = (a = (b^^^2)))"
    1.83 -  sqrt_square_equation_left_2 "[|bdv occurs_in a; 0 <= a; 0 <= b*c|] ==> 
    1.84 +  sqrt_square_equation_left_2: "[|bdv occurs_in a; 0 <= a; 0 <= b*c|] ==> 
    1.85     ( (c*sqrt(a) = b) = (c^^^2*a = b^^^2))"
    1.86 -  sqrt_square_equation_left_3 "[|bdv occurs_in a; 0 <= a; 0 <= b*c|] ==> 
    1.87 +  sqrt_square_equation_left_3: "[|bdv occurs_in a; 0 <= a; 0 <= b*c|] ==> 
    1.88     ( c/sqrt(a) = b) = (c^^^2 / a = b^^^2)"
    1.89    (* small hack: thm 4-6 are not needed if rootnormalize is well done*)
    1.90 -  sqrt_square_equation_left_4 "[|bdv occurs_in a; 0 <= a; 0 <= b*c*d|] ==> 
    1.91 +  sqrt_square_equation_left_4: "[|bdv occurs_in a; 0 <= a; 0 <= b*c*d|] ==> 
    1.92     ( (c*(d/sqrt (a)) = b) = (c^^^2*(d^^^2/a) = b^^^2))"
    1.93 -  sqrt_square_equation_left_5 "[|bdv occurs_in a; 0 <= a; 0 <= b*c*d|] ==> 
    1.94 +  sqrt_square_equation_left_5: "[|bdv occurs_in a; 0 <= a; 0 <= b*c*d|] ==> 
    1.95     ( c/(d*sqrt(a)) = b) = (c^^^2 / (d^^^2*a) = b^^^2)"
    1.96 -  sqrt_square_equation_left_6 "[|bdv occurs_in a; 0 <= a; 0 <= b*c*d*e|] ==> 
    1.97 +  sqrt_square_equation_left_6: "[|bdv occurs_in a; 0 <= a; 0 <= b*c*d*e|] ==> 
    1.98     ( (c*(d/(e*sqrt (a))) = b) = (c^^^2*(d^^^2/(e^^^2*a)) = b^^^2))"
    1.99 -  sqrt_square_equation_right_1  "[|bdv occurs_in b; 0 <= a; 0 <= b|] ==> 
   1.100 +  sqrt_square_equation_right_1:  "[|bdv occurs_in b; 0 <= a; 0 <= b|] ==> 
   1.101     ( (a = sqrt (b)) = (a^^^2 = b))"
   1.102 -  sqrt_square_equation_right_2 "[|bdv occurs_in b; 0 <= a*c; 0 <= b|] ==> 
   1.103 +  sqrt_square_equation_right_2: "[|bdv occurs_in b; 0 <= a*c; 0 <= b|] ==> 
   1.104     ( (a = c*sqrt (b)) = ((a^^^2) = c^^^2*b))"
   1.105 -  sqrt_square_equation_right_3 "[|bdv occurs_in b; 0 <= a*c; 0 <= b|] ==> 
   1.106 +  sqrt_square_equation_right_3: "[|bdv occurs_in b; 0 <= a*c; 0 <= b|] ==> 
   1.107     ( (a = c/sqrt (b)) = (a^^^2 = c^^^2/b))"
   1.108   (* small hack: thm 4-6 are not needed if rootnormalize is well done*)
   1.109 -  sqrt_square_equation_right_4 "[|bdv occurs_in b; 0 <= a*c*d; 0 <= b|] ==> 
   1.110 +  sqrt_square_equation_right_4: "[|bdv occurs_in b; 0 <= a*c*d; 0 <= b|] ==> 
   1.111     ( (a = c*(d/sqrt (b))) = ((a^^^2) = c^^^2*(d^^^2/b)))"
   1.112 -  sqrt_square_equation_right_5 "[|bdv occurs_in b; 0 <= a*c*d; 0 <= b|] ==> 
   1.113 +  sqrt_square_equation_right_5: "[|bdv occurs_in b; 0 <= a*c*d; 0 <= b|] ==> 
   1.114     ( (a = c/(d*sqrt (b))) = (a^^^2 = c^^^2/(d^^^2*b)))"
   1.115 -  sqrt_square_equation_right_6 "[|bdv occurs_in b; 0 <= a*c*d*e; 0 <= b|] ==> 
   1.116 +  sqrt_square_equation_right_6: "[|bdv occurs_in b; 0 <= a*c*d*e; 0 <= b|] ==> 
   1.117     ( (a = c*(d/(e*sqrt (b)))) = ((a^^^2) = c^^^2*(d^^^2/(e^^^2*b))))"
   1.118  
   1.119  ML {*