diff -r 015bd9d4fd85 -r 952b2b102a0a src/HOL/Induct/PropLog.thy
--- a/src/HOL/Induct/PropLog.thy	Wed May 12 14:02:50 2010 +0200
+++ b/src/HOL/Induct/PropLog.thy	Wed May 12 14:17:26 2010 +0200
@@ -1,5 +1,4 @@
 (*  Title:      HOL/Induct/PropLog.thy
-    ID:         $Id$
     Author:     Tobias Nipkow
     Copyright   1994  TU Muenchen & University of Cambridge
 *)