src/ZF/Nat.ML
changeset 10216 e928bdf62014
parent 9907 473a6604da94
child 12552 d2d2ab3f1f37
--- a/src/ZF/Nat.ML	Fri Oct 13 10:49:05 2000 +0200
+++ b/src/ZF/Nat.ML	Fri Oct 13 11:15:56 2000 +0200
@@ -14,7 +14,7 @@
 qed "nat_bnd_mono";
 
 (* nat = {0} Un {succ(x). x:nat} *)
-bind_thm ("nat_unfold", nat_bnd_mono RS (nat_def RS def_lfp_Tarski));
+bind_thm ("nat_unfold", nat_bnd_mono RS (nat_def RS def_lfp_unfold));
 
 (** Type checking of 0 and successor **)