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src/HOL/Library/ExecutableSet.thy
changeset 21153 8288c8f203de
parent 21125 9b7d35ca1eef
child 21191 c00161fbf990 
--- a/src/HOL/Library/ExecutableSet.thy	Fri Nov 03 14:22:38 2006 +0100
+++ b/src/HOL/Library/ExecutableSet.thy	Fri Nov 03 14:22:39 2006 +0100
@@ -13,7 +13,7 @@
 
 instance set :: (eq) eq ..
 
-lemma [code target: Set, code nofunc]:
+lemma [code target: Set]:
   "(A = B) = (A \<subseteq> B \<and> B \<subseteq> A)"
   by blast
isabelle