| 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 |
| Mon, 05 Sep 2011 20:59:50 +0000 | urbanc | tuning on the derivatives and closures theories | file | diff | annotate |
| Mon, 05 Sep 2011 15:42:29 +0000 | urbanc | added section about non-regularity | file | diff | annotate |
| Fri, 02 Sep 2011 14:01:11 +0000 | urbanc | latest changes | file | diff | annotate |
| Fri, 02 Sep 2011 13:30:17 +0000 | urbanc | small improvement | file | diff | annotate |
| Fri, 02 Sep 2011 12:19:00 +0000 | urbanc | added example about non-regularity | file | diff | annotate |