Mon, 03 Aug 2009 16:47:01 +0200 Christian Urban tuned
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
(0) -300 -100 -30 -10 -6 +6 +10 +30 +100 tip