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src/HOL/Complex/ex/Sqrt_Script.thy
changeset 14288 d149e3cbdb39
parent 14051 4b61bbb0dcab
child 15149 c5c4884634b7 
--- a/src/HOL/Complex/ex/Sqrt_Script.thy	Wed Dec 10 14:29:44 2003 +0100
+++ b/src/HOL/Complex/ex/Sqrt_Script.thy	Wed Dec 10 15:59:34 2003 +0100
@@ -68,8 +68,7 @@
   apply clarify
   apply (erule_tac P = "real m / real n * ?x = ?y" in rev_mp)
   apply (simp del: real_of_nat_mult
-    add: real_divide_eq_eq prime_not_square
-    real_of_nat_mult [symmetric])
+              add: divide_eq_eq prime_not_square real_of_nat_mult [symmetric])
   done
 
 lemmas two_sqrt_irrational =
isabelle