src/HOL/HOLCF/Tools/Domain/domain_induction.ML
changeset 67613 ce654b0e6d69
parent 63006 89d19aa73081
child 69597 ff784d5a5bfb
--- a/src/HOL/HOLCF/Tools/Domain/domain_induction.ML	Tue Feb 13 14:24:50 2018 +0100
+++ b/src/HOL/HOLCF/Tools/Domain/domain_induction.ML	Thu Feb 15 12:11:00 2018 +0100
@@ -91,7 +91,7 @@
 (******************************************************************************)
 
 val case_UU_allI =
-    @{lemma "(!!x. x ~= UU ==> P x) ==> P UU ==> ALL x. P x" by metis}
+    @{lemma "(\<And>x. x \<noteq> UU \<Longrightarrow> P x) \<Longrightarrow> P UU \<Longrightarrow> \<forall>x. P x" by metis}
 
 fun prove_induction
     (comp_dbind : binding)