Fri, 05 Jul 2013 17:19:17 +0100 | Christian Urban |
polished more and updated to new isabelle | file | diff | annotate |
Wed, 14 Sep 2011 13:39:03 +0000 | urbanc | polished the non-regularity proof | file | diff | annotate |
Wed, 14 Sep 2011 13:00:44 +0000 | urbanc | clarified proof about non-regularity | file | diff | annotate |