journal.pdf
Wed, 09 Sep 2015 11:24:19 +0100 Christian Urban updated for Isabelle 2015
Tue, 15 Jul 2014 17:25:53 +0200 Christian Urban updated teh theories to newer Isabelle version
Thu, 12 Jun 2014 10:14:50 +0100 Christian Urban a few additions
Mon, 09 Jun 2014 16:01:28 +0100 Christian Urban added another book that makes the error, some more proofs
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