changeset 25966 | 74f6817870f9 |
parent 23373 | ead82c82da9e |
child 26152 | cf2cccf17d6d |
--- a/src/HOL/Library/AssocList.thy Fri Jan 25 14:54:41 2008 +0100 +++ b/src/HOL/Library/AssocList.thy Fri Jan 25 14:54:44 2008 +0100 @@ -97,14 +97,6 @@ lemmas [simp del] = compose_hint -subsection {* Lookup *} - -lemma lookup_simps [code func]: - "map_of [] k = None" - "map_of (p#ps) k = (if fst p = k then Some (snd p) else map_of ps k)" - by simp_all - - subsection {* @{const delete} *} lemma delete_def: