src/ZF/UNITY/Union.thy

--- a/src/ZF/UNITY/Union.thy	Fri Jun 17 11:35:35 2005 +0200
+++ b/src/ZF/UNITY/Union.thy	Fri Jun 17 16:12:49 2005 +0200
@@ -11,7 +11,7 @@
 
 *)
 
-theory Union = SubstAx + FP:
+theory Union imports SubstAx FP begin
 
 constdefs