src/HOL/ex/Sudoku.thy
Sun, 20 May 2018 11:57:17 +0200 wenzelm prefer HTTPS;
Fri, 12 Aug 2016 17:53:55 +0200 wenzelm more symbols;
Sat, 26 Dec 2015 15:59:27 +0100 wenzelm isabelle update_cartouches -c -t;
Tue, 06 Oct 2015 17:47:28 +0200 wenzelm isabelle update_cartouches;
Sun, 02 Nov 2014 18:21:45 +0100 wenzelm modernized header uniformly as section;
Thu, 11 Sep 2014 19:32:36 +0200 blanchet updated news
Thu, 04 Sep 2014 11:53:39 +0200 blanchet tuned Nitpick and Refute examples, which are too slow on some testing machines
Mon, 12 May 2014 00:13:38 +0200 webertj Replaced refute with nitpick.
Thu, 01 May 2014 22:56:59 +0200 boehmes added internal proof-producing SAT solver
Mon, 09 Dec 2013 12:22:23 +0100 wenzelm more antiquotations;
Sun, 16 Jan 2011 15:53:03 +0100 wenzelm tuned headers;
Mon, 01 Mar 2010 13:40:23 +0100 haftmann replaced a couple of constsdefs by definitions (also some old primrecs by modern ones)
Wed, 03 Dec 2008 14:02:24 +0000 webertj more examples
Sun, 03 Jun 2007 23:16:47 +0200 wenzelm tuned document;
Wed, 10 Jan 2007 19:17:52 +0100 webertj no unfolding necessary anymore (refute does that automatically now)
Wed, 14 Dec 2005 22:05:22 +0100 webertj ex/Sudoku.thy
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