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src/HOL/Library/While_Combinator.thy
changeset 19769 c40ce2de2020
parent 19736 d8d0f8f51d69
child 20807 bd3b60f9a343 
--- a/src/HOL/Library/While_Combinator.thy	Sun Jun 04 10:52:47 2006 +0200
+++ b/src/HOL/Library/While_Combinator.thy	Mon Jun 05 14:22:58 2006 +0200
@@ -130,7 +130,7 @@
   apply (blast dest: monoD)
  apply (fastsimp intro!: lfp_lowerbound)
  apply (blast intro: wf_finite_psubset Int_lower2 [THEN [2] wf_subset])
-apply (clarsimp simp add: inv_image_def finite_psubset_def order_less_le)
+apply (clarsimp simp add: finite_psubset_def order_less_le)
 apply (blast intro!: finite_Diff dest: monoD)
 done
isabelle