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src/HOL/ex/BinEx.thy
changeset 14378 69c4d5997669
parent 14124 883c38e2d4c0
child 14398 c5c47703f763 
--- a/src/HOL/ex/BinEx.thy	Thu Feb 05 10:45:28 2004 +0100
+++ b/src/HOL/ex/BinEx.thy	Tue Feb 10 12:02:11 2004 +0100
@@ -470,7 +470,7 @@
    apply assumption
   apply (simp add: normal_Pls_eq_0)
   apply (simp only: number_of_minus zminus_0 iszero_def
-                    zminus_equation [of _ "0"])
+                    minus_equation_iff [of _ "0"])
   apply (simp add: eq_commute)
   done
isabelle