--- a/src/ZF/Nat.thy Fri Jun 17 11:35:35 2005 +0200
+++ b/src/ZF/Nat.thy Fri Jun 17 16:12:49 2005 +0200
@@ -7,7 +7,7 @@
header{*The Natural numbers As a Least Fixed Point*}
-theory Nat = OrdQuant + Bool:
+theory Nat imports OrdQuant Bool begin
constdefs
nat :: i