--- a/src/HOL/Library/NatPair.thy Fri Jul 04 16:33:08 2008 +0200
+++ b/src/HOL/Library/NatPair.thy Mon Jul 07 08:47:17 2008 +0200
@@ -7,7 +7,7 @@
header {* Pairs of Natural Numbers *}
theory NatPair
-imports Plain Presburger
+imports Plain "~~/src/HOL/Presburger"
begin
text{*