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src/ZF/Cardinal.thy
changeset 26056 6a0801279f4c
parent 24893 b8ef7afe3a6b
child 32960 69916a850301 
--- a/src/ZF/Cardinal.thy	Mon Feb 11 15:19:17 2008 +0100
+++ b/src/ZF/Cardinal.thy	Mon Feb 11 15:40:21 2008 +0100
@@ -7,7 +7,7 @@
 
 header{*Cardinal Numbers Without the Axiom of Choice*}
 
-theory Cardinal imports OrderType Finite Nat Sum begin
+theory Cardinal imports OrderType Finite Nat_ZF Sum begin
 
 definition
   (*least ordinal operator*)
isabelle