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src/ZF/ex/Ring.thy
changeset 28952 15a4b2cf8c34
parent 21404 eb85850d3eb7
child 29223 e09c53289830 
--- a/src/ZF/ex/Ring.thy	Wed Dec 03 09:53:58 2008 +0100
+++ b/src/ZF/ex/Ring.thy	Wed Dec 03 15:58:44 2008 +0100
@@ -1,5 +1,4 @@
 (* Title:  ZF/ex/Ring.thy
-  Id:     $Id$
 
 *)
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