
diff -r 5226396bf261 -r 8f8d83af100a src/HOL/Library/Product_ord.thy
--- a/src/HOL/Library/Product_ord.thy	Tue Dec 18 12:26:24 2007 +0100
+++ b/src/HOL/Library/Product_ord.thy	Tue Dec 18 14:37:00 2007 +0100
@@ -6,7 +6,7 @@
 header {* Order on product types *}
 
 theory Product_ord
-imports PreList
+imports ATP_Linkup
 begin
 
 instantiation "*" :: (ord, ord) ord




