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src/HOL/ex/While_Combinator_Example.thy
changeset 44890 22f665a2e91c
parent 41959 b460124855b8
child 58889 5b7a9633cfa8 
--- a/src/HOL/ex/While_Combinator_Example.thy	Sun Sep 11 22:56:05 2011 +0200
+++ b/src/HOL/ex/While_Combinator_Example.thy	Mon Sep 12 07:55:43 2011 +0200
@@ -25,7 +25,7 @@
    apply assumption
   apply clarsimp
   apply (blast dest: monoD)
- apply (fastsimp intro!: lfp_lowerbound)
+ apply (fastforce intro!: lfp_lowerbound)
  apply (blast intro: wf_finite_psubset Int_lower2 [THEN [2] wf_subset])
 apply (clarsimp simp add: finite_psubset_def order_less_le)
 apply (blast dest: monoD)
isabelle