| Tue, 26 Jun 2007 00:35:14 +0200 | wenzelm | fixed undo: try undos_proof first! | changeset | files |
| Mon, 25 Jun 2007 22:46:55 +0200 | wenzelm | tactics: more robust addressing of subgoal using (C)SUBGOAL/THEN_ALL_NEW; | changeset | files |
| Mon, 25 Jun 2007 16:56:41 +0200 | nipkow | removed theorem | changeset | files |