| changeset 13912 | 3c0a340be514 |
| parent 13910 | f9a9ef16466f |
| child 13914 | 026866537fae |
--- a/src/HOL/Map.thy Mon Apr 14 18:52:45 2003 +0200 +++ b/src/HOL/Map.thy Tue Apr 15 12:55:31 2003 +0200 @@ -325,9 +325,9 @@ apply auto done -section{* @{text"\<subseteq>\<^sub>m"} *} +section {* map\_le *} -lemma [simp]: "empty \<subseteq>\<^sub>m g" +lemma map_le_empty [simp]: "empty \<subseteq>\<^sub>m g" by(simp add:map_le_def) lemma map_le_upd[simp]: "f \<subseteq>\<^sub>m g ==> f(a := b) \<subseteq>\<^sub>m g(a := b)"