--- a/src/HOL/Hoare_Parallel/RG_Examples.thy Fri Feb 25 08:46:52 2011 +0100
+++ b/src/HOL/Hoare_Parallel/RG_Examples.thy Fri Feb 25 14:25:41 2011 +0100
@@ -111,8 +111,6 @@
apply simp
apply clarify
apply simp
- apply(case_tac j,simp)
- apply simp
apply simp
apply(rule conjI)
apply clarify