--- a/src/HOL/IMP/Transition.thy Wed Nov 24 10:25:28 1999 +0100
+++ b/src/HOL/IMP/Transition.thy Wed Nov 24 12:12:36 1999 +0100
@@ -6,7 +6,7 @@
Transition semantics of commands
*)
-Transition = Natural + RelPow +
+Transition = Natural +
consts evalc1 :: "((com*state)*(com*state))set"