--- a/Co2sobj_prop.thy Tue May 21 08:01:33 2013 +0800
+++ b/Co2sobj_prop.thy Tue May 21 10:19:51 2013 +0800
@@ -8,6 +8,8 @@
(****************** cf2sfile path simpset ***************)
+thm cpfd2sfds_def
+
lemma sroot_only:
"cf2sfile s [] = Some sroot"
by (simp add:cf2sfile_def)