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Nominal/FSet.thy
changeset 2542 1f5c8e85c41f
parent 2541 d7269488c4b5
child 2543 8537493c039f 
--- a/Nominal/FSet.thy	Sun Oct 17 15:28:05 2010 +0100
+++ b/Nominal/FSet.thy	Sun Oct 17 15:53:37 2010 +0100
@@ -747,7 +747,7 @@
   shows "fset (map_fset f S) = f ` (fset S)"
   by (descending) (simp)
 
-lemma nj_map_fset_cong:
+lemma inj_map_fset_cong:
   shows "inj f \<Longrightarrow> map_fset f S = map_fset f T \<longleftrightarrow> S = T"
   by (descending) (metis inj_vimage_image_eq list_eq.simps set_map)
nominal2