diff -r 96d413f78870 -r 6c4fd0b4b63a src/HOL/Library/Library.thy
--- a/src/HOL/Library/Library.thy	Sun Oct 01 18:29:25 2006 +0200
+++ b/src/HOL/Library/Library.thy	Sun Oct 01 18:29:26 2006 +0200
@@ -1,3 +1,4 @@
+(* $Id$ *)
 (*<*)
 theory Library
 imports
@@ -23,6 +24,7 @@
   Commutative_Ring
   Coinductive_List
   AssocList
+  Infinite_Set
 begin
 end
 (*>*)