diff -r 6061ae1f90f2 -r 9bc16273c2d4 src/HOL/Algebra/Module.thy
--- a/src/HOL/Algebra/Module.thy	Fri Jun 17 11:35:35 2005 +0200
+++ b/src/HOL/Algebra/Module.thy	Fri Jun 17 16:12:49 2005 +0200
@@ -6,7 +6,7 @@
 
 header {* Modules over an Abelian Group *}
 
-theory Module = CRing:
+theory Module imports CRing begin
 
 record ('a, 'b) module = "'b ring" +
   smult :: "['a, 'b] => 'b" (infixl "\<odot>\<index>" 70)