| Sun, 05 Jun 2011 22:02:54 +0200 | wenzelm | updated and re-unified classical proof methods; | changeset | files |
| Sun, 05 Jun 2011 20:23:05 +0200 | wenzelm | tuned; | changeset | files |
| Sun, 05 Jun 2011 20:15:47 +0200 | wenzelm | updated and re-unified classical rule declarations; | changeset | files |