--- a/src/ZF/Inductive_ZF.thy Wed Jan 21 16:47:04 2009 +0100
+++ b/src/ZF/Inductive_ZF.thy Wed Jan 21 16:47:31 2009 +0100
@@ -1,5 +1,4 @@
(* Title: ZF/Inductive_ZF.thy
- ID: $Id$
Author: Lawrence C Paulson, Cambridge University Computer Laboratory
Copyright 1993 University of Cambridge