--- a/src/ZF/Nat.thy Fri Jan 03 10:48:28 1997 +0100
+++ b/src/ZF/Nat.thy Fri Jan 03 15:01:55 1997 +0100
@@ -6,7 +6,7 @@
Natural numbers in Zermelo-Fraenkel Set Theory
*)
-Nat = Ordinal + Bool + "mono" +
+Nat = OrdQuant + Bool + mono +
consts
nat :: i
nat_case :: [i, i=>i, i]=>i