| Sat, 17 May 2008 21:46:22 +0200 | wenzelm | avoid undeclared variables within proofs; | file | diff | annotate |
| Wed, 12 Mar 2008 11:57:12 +0100 | urbanc | tuned | file | diff | annotate |
| Tue, 19 Feb 2008 12:25:56 +0100 | urbanc | slightly tuned | file | diff | annotate |
| Tue, 19 Feb 2008 10:21:09 +0100 | berghofe | Yet another proof of False, this time using the strong case analysis rule. | file | diff | annotate |