| Sun, 19 Feb 2012 01:33:47 +0000 | Christian Urban | updated to new Isabelle | file | diff | annotate |
| Wed, 15 Feb 2012 14:52:03 +0000 | Christian Urban | remerged | file | diff | annotate |
| Wed, 15 Feb 2012 14:47:46 +0000 | Christian Urban | merged | file | diff | annotate |
| Wed, 15 Feb 2012 14:33:29 +0000 | Christian Urban | updated to Isabelle 15 Feb | file | diff | annotate |
| Sat, 21 Jan 2012 15:35:47 +0000 | Christian Urban | updated part about beta in Tactiacal section | file | diff | annotate |
| Sat, 21 Jan 2012 15:18:38 +0000 | Christian Urban | merged | file | diff | annotate |
| Sat, 21 Jan 2012 15:16:04 +0000 | Christian Urban | modified the passage on beta-contractions | file | diff | annotate |