--- a/src/HOL/Library/Abstract_Rat.thy Thu Jun 26 10:06:54 2008 +0200
+++ b/src/HOL/Library/Abstract_Rat.thy Thu Jun 26 10:07:01 2008 +0200
@@ -6,7 +6,7 @@
header {* Abstract rational numbers *}
theory Abstract_Rat
-imports GCD
+imports Plain GCD
begin
types Num = "int \<times> int"