| author | Cezary Kaliszyk <kaliszyk@in.tum.de> | 
| Wed, 14 Apr 2010 08:42:38 +0200 | |
| changeset 1826 | faa7e6033f2e | 
| parent 1825 | 1d6a0aeef4a1 | 
| child 1829 | ac8cb569a17b | 
| child 1837 | edc2a52cd457 | 
| Nominal/FSet.thy | file | annotate | diff | comparison | revisions | 
--- a/Nominal/FSet.thy Wed Apr 14 08:36:54 2010 +0200 +++ b/Nominal/FSet.thy Wed Apr 14 08:42:38 2010 +0200 @@ -483,8 +483,6 @@ "fset_to_set (finsert (h :: 'a) t) = insert h (fset_to_set t)" by (lifting set.simps) -thm memb_def[symmetric, THEN meta_eq_to_obj_eq] - lemma in_fset_to_set: "x \<in> fset_to_set S \<equiv> x |\<in>| S" by (lifting memb_def[symmetric])