src/HOL/Isar_examples/MutilatedCheckerboard.thy
Wed, 13 Jun 2007 18:30:11 +0200 wenzelm tuned proofs: avoid implicit prems;
Wed, 07 Feb 2007 17:46:03 +0100 berghofe Adapted to changes in Finite_Set theory.
Wed, 23 Nov 2005 22:26:13 +0100 wenzelm tuned induction proofs;
Wed, 16 Nov 2005 17:50:35 +0100 wenzelm tuned;
Thu, 10 Nov 2005 21:14:05 +0100 wenzelm tuned proofs;
Fri, 17 Jun 2005 16:12:49 +0200 haftmann migrated theory headers to new format
Thu, 30 May 2002 10:12:52 +0200 nipkow Modifications due to enhanced linear arithmetic.
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