--- a/CookBook/Tactical.thy Thu Mar 05 16:46:43 2009 +0000 +++ b/CookBook/Tactical.thy Fri Mar 06 16:12:16 2009 +0000 @@ -2,6 +2,7 @@ imports Base FirstSteps begin + chapter {* Tactical Reasoning\label{chp:tactical} *} text {*