diff -r f66d61f5439d -r 0960686df575 Static.thy
--- a/Static.thy	Thu Sep 12 19:00:26 2013 +0800
+++ b/Static.thy	Tue Sep 24 14:02:15 2013 +0800
@@ -482,7 +482,7 @@
      | _ \<Rightarrow> sobj = sobj')}"
 
 
-
+(* no del 
 (* all reachable static states(sobjects set) *)
 inductive_set static :: "t_static_state set"
 where