--- a/ProgTutorial/Tactical.thy	Mon Oct 12 17:07:17 2009 +0200
+++ b/ProgTutorial/Tactical.thy	Tue Oct 13 22:57:25 2009 +0200
@@ -2,6 +2,14 @@
 imports Base FirstSteps
 begin
 
+(*<*)
+setup{*
+open_file_with_prelude 
+  "Tactical_Code.thy"
+  ["theory Tactical", "imports Base FirstSteps", "begin"]
+*}
+(*>*)
+
 chapter {* Tactical Reasoning\label{chp:tactical} *}
 
 text {*