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src/HOL/IMP/Def_Ass_Small.thy
changeset 47818 151d137f1095
parent 43158 686fa0a0696e 
--- a/src/HOL/IMP/Def_Ass_Small.thy	Fri Apr 27 23:17:58 2012 +0200
+++ b/src/HOL/IMP/Def_Ass_Small.thy	Sat Apr 28 07:38:22 2012 +0200
@@ -10,8 +10,8 @@
 where
 Assign:  "aval a s = Some i \<Longrightarrow> (x ::= a, s) \<rightarrow> (SKIP, s(x := Some i))" |
 
-Semi1:   "(SKIP;c,s) \<rightarrow> (c,s)" |
-Semi2:   "(c\<^isub>1,s) \<rightarrow> (c\<^isub>1',s') \<Longrightarrow> (c\<^isub>1;c\<^isub>2,s) \<rightarrow> (c\<^isub>1';c\<^isub>2,s')" |
+Seq1:   "(SKIP;c,s) \<rightarrow> (c,s)" |
+Seq2:   "(c\<^isub>1,s) \<rightarrow> (c\<^isub>1',s') \<Longrightarrow> (c\<^isub>1;c\<^isub>2,s) \<rightarrow> (c\<^isub>1';c\<^isub>2,s')" |
 
 IfTrue:  "bval b s = Some True \<Longrightarrow> (IF b THEN c\<^isub>1 ELSE c\<^isub>2,s) \<rightarrow> (c\<^isub>1,s)" |
 IfFalse: "bval b s = Some False \<Longrightarrow> (IF b THEN c\<^isub>1 ELSE c\<^isub>2,s) \<rightarrow> (c\<^isub>2,s)" |
isabelle