diff -r f127e949389f -r e0968e1f6fe9 src/HOL/MicroJava/JVM/JVMExec.thy
--- a/src/HOL/MicroJava/JVM/JVMExec.thy	Tue Aug 13 22:25:24 2013 +0200
+++ b/src/HOL/MicroJava/JVM/JVMExec.thy	Tue Aug 13 22:37:58 2013 +0200
@@ -24,13 +24,10 @@
 
 
 definition exec_all :: "[jvm_prog,jvm_state,jvm_state] => bool"
-              ("_ |- _ -jvm-> _" [61,61,61]60) where
-  "G |- s -jvm-> t == (s,t) \<in> {(s,t). exec(G,s) = Some t}^*"
+              ("_ \<turnstile> _ \<midarrow>jvm\<rightarrow> _" [61,61,61]60) where
+  "G \<turnstile> s \<midarrow>jvm\<rightarrow> t == (s,t) \<in> {(s,t). exec(G,s) = Some t}^*"
 
 
-notation (xsymbols)
-  exec_all  ("_ \<turnstile> _ -jvm\<rightarrow> _" [61,61,61]60)
-
 text {*
   The start configuration of the JVM: in the start heap, we call a 
   method @{text m} of class @{text C} in program @{text G}. The