src/HOL/Predicate_Compile.thy
changeset 62390 842917225d56
parent 60758 d8d85a8172b5
child 63432 ba7901e94e7b
--- a/src/HOL/Predicate_Compile.thy	Tue Feb 23 15:37:18 2016 +0100
+++ b/src/HOL/Predicate_Compile.thy	Tue Feb 23 16:25:08 2016 +0100
@@ -59,7 +59,7 @@
 lemma contains_predE: 
   assumes "Predicate.eval (contains_pred A x) y"
   obtains "contains A x"
-using assms by(simp add: contains_pred_def contains_def split: split_if_asm)
+using assms by(simp add: contains_pred_def contains_def split: if_split_asm)
 
 lemma contains_pred_eq: "contains_pred \<equiv> \<lambda>A x. Predicate.Pred (\<lambda>y. contains A x)"
 by(rule eq_reflection)(auto simp add: contains_pred_def fun_eq_iff contains_def intro: pred_eqI)