Mon, 03 Aug 2009 14:01:57 +0200 Christian Urban replaced "writeln" with "tracing"
Mon, 03 Aug 2009 13:53:04 +0200 Christian Urban removed rail; added external aux-files
Sun, 02 Aug 2009 08:44:41 +0200 Christian Urban updated to Isabelle changes and merged sections in the FirstSteps chapter
Sat, 01 Aug 2009 08:59:41 +0200 Christian Urban some general polishing
Fri, 31 Jul 2009 19:10:39 +0200 Christian Urban renamed pictures
Thu, 30 Jul 2009 16:02:26 +0200 Christian Urban tuned figure placement
Thu, 30 Jul 2009 15:51:51 +0200 Christian Urban polished the package chapter used FOCUS to explain the subproofs
Thu, 30 Jul 2009 11:38:52 +0200 Christian Urban made changes for SUBPROOF and sat_tac
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