| Mon, 22 Aug 2011 12:49:27 +0000 | urbanc | changes according to afp-submission | file | diff | annotate |
| Wed, 17 Aug 2011 17:36:19 +0000 | urbanc | added an example for non-regularity and continuation lemma (the example does not yet work) | file | diff | annotate |
| Thu, 11 Aug 2011 23:11:39 +0000 | urbanc | finished section about derivatives and closure properties | file | diff | annotate |