| Sun, 04 Oct 2015 23:02:57 +0100 | Christian Urban |
added one more reference to an incorrect specification | file | diff | annotate |
| Wed, 09 Sep 2015 11:24:19 +0100 | Christian Urban |
updated for Isabelle 2015 | file | diff | annotate |
| Tue, 15 Jul 2014 17:25:53 +0200 | Christian Urban |
updated teh theories to newer Isabelle version | file | diff | annotate |
| Thu, 12 Jun 2014 10:14:50 +0100 | Christian Urban |
a few additions | file | diff | annotate |
| Mon, 09 Jun 2014 16:01:28 +0100 | Christian Urban |
added another book that makes the error, some more proofs | file | diff | annotate |
| Mon, 02 Jun 2014 14:58:42 +0100 | Christian Urban |
updated | file | diff | annotate |
| Fri, 30 May 2014 07:56:39 +0100 | Christian Urban |
finished proof of acyclity | file | diff | annotate |