diff -r 052d9aba392d -r 80617b8d33c5 src/HOL/UNITY/Comp/Counterc.thy
--- a/src/HOL/UNITY/Comp/Counterc.thy	Thu Jun 02 13:17:06 2005 +0200
+++ b/src/HOL/UNITY/Comp/Counterc.thy	Thu Jun 02 13:47:08 2005 +0200
@@ -87,7 +87,7 @@
 
 
 lemma p2: "Component i \<in> stable {s. C s = (c s) i + k}"
-by (simp add: Component_def, constrains)
+by (simp add: Component_def, safety)
 
 lemma p3:
      "[| OK I Component; i\<in>I |]