Thu, 14 Jan 2010 18:41:50 +0100 | Christian Urban | removed one sorry | changeset | files |
Thu, 14 Jan 2010 18:35:38 +0100 | Christian Urban | nearly all of the proof | changeset | files |
Thu, 14 Jan 2010 17:57:20 +0100 | Christian Urban | right generalisation | changeset | files |
Thu, 14 Jan 2010 17:53:23 +0100 | Cezary Kaliszyk | First subgoal. | changeset | files |