--- a/src/HOL/Fun.thy Tue Feb 24 10:44:53 1998 +0100
+++ b/src/HOL/Fun.thy Tue Feb 24 11:35:33 1998 +0100
@@ -6,7 +6,7 @@
Notions about functions.
*)
-Fun = Set +
+Fun = Vimage +
instance set :: (term) order
(subset_refl,subset_trans,subset_antisym,psubset_eq)