--- a/src/HOL/IMP/Procs_Dyn_Vars_Dyn.thy Fri Apr 27 23:17:58 2012 +0200
+++ b/src/HOL/IMP/Procs_Dyn_Vars_Dyn.thy Sat Apr 28 07:38:22 2012 +0200
@@ -10,7 +10,7 @@
where
Skip: "pe \<turnstile> (SKIP,s) \<Rightarrow> s" |
Assign: "pe \<turnstile> (x ::= a,s) \<Rightarrow> s(x := aval a s)" |
-Semi: "\<lbrakk> pe \<turnstile> (c\<^isub>1,s\<^isub>1) \<Rightarrow> s\<^isub>2; pe \<turnstile> (c\<^isub>2,s\<^isub>2) \<Rightarrow> s\<^isub>3 \<rbrakk> \<Longrightarrow>
+Seq: "\<lbrakk> pe \<turnstile> (c\<^isub>1,s\<^isub>1) \<Rightarrow> s\<^isub>2; pe \<turnstile> (c\<^isub>2,s\<^isub>2) \<Rightarrow> s\<^isub>3 \<rbrakk> \<Longrightarrow>
pe \<turnstile> (c\<^isub>1;c\<^isub>2, s\<^isub>1) \<Rightarrow> s\<^isub>3" |
IfTrue: "\<lbrakk> bval b s; pe \<turnstile> (c\<^isub>1,s) \<Rightarrow> t \<rbrakk> \<Longrightarrow>