Mon, 11 Oct 2010 21:05:01 +0100 wenzelm misc tuning;
Sun, 10 Oct 2010 20:49:25 +0100 wenzelm removed some obsolete reference material;
Sun, 10 Oct 2010 20:42:10 +0100 wenzelm cover some more theory operations;
Sun, 10 Oct 2010 20:12:10 +0100 wenzelm note on Isabelle file specifications;
Sun, 10 Oct 2010 19:49:18 +0100 wenzelm modernized version of "Message output channels";
Sun, 10 Oct 2010 18:09:25 +0100 wenzelm removed some really old reference material;
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