changeset 49353 | 023be49d7fb8 |
parent 49344 | ce1ccb78ecda |
child 49396 | 73fb17ed2e08 |
--- a/src/HOL/IMP/Abs_State.thy Thu Sep 13 17:20:44 2012 +0200 +++ b/src/HOL/IMP/Abs_State.thy Fri Sep 14 10:01:42 2012 +0200 @@ -52,7 +52,7 @@ definition wt_option where "wt opt X = (case opt of None \<Rightarrow> True | Some x \<Rightarrow> wt x X)" -lemma wt_simps[simp]: "wt None X" "wt (Some x) X = wt x X" +lemma wt_option_simps[simp]: "wt None X" "wt (Some x) X = wt x X" by(simp_all add: wt_option_def) instance ..