| Wed, 04 Apr 2012 06:19:38 +0100 | Christian Urban | updated to Isabelle version April 1 | file | diff | annotate |
| Tue, 03 Jan 2012 11:43:27 +0000 | Christian Urban | updated to explicit set type constructor (post Isabelle 3rd January) | file | diff | annotate |
| Mon, 05 Dec 2011 17:05:56 +0000 | Christian Urban | tiny improvement by removing one unnecessary assumption | file | diff | annotate |