src/HOL/Library/Nat_Infinity.thy

--- a/src/HOL/Library/Nat_Infinity.thy	Mon Mar 23 08:14:23 2009 +0100
+++ b/src/HOL/Library/Nat_Infinity.thy	Mon Mar 23 08:14:24 2009 +0100
@@ -5,7 +5,7 @@
 header {* Natural numbers with infinity *}
 
 theory Nat_Infinity
-imports Plain "~~/src/HOL/Presburger"
+imports Main
 begin
 
 subsection {* Type definition *}