src/HOL/Isar_Examples/Puzzle.thy
Thu, 01 Jul 2010 18:31:46 +0200 wenzelm misc tuning and modernization;
Sun, 10 Jan 2010 18:43:45 +0100 berghofe Adapted to changes in induct method.
Tue, 20 Oct 2009 19:37:09 +0200 wenzelm modernized session Isar_Examples;
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