Wed, 11 Nov 2009 22:30:43 +0100 Cezary Kaliszyk Lifting towards goal and manually finished the proof.
Wed, 11 Nov 2009 18:51:59 +0100 Cezary Kaliszyk merge
Wed, 11 Nov 2009 18:49:46 +0100 Cezary Kaliszyk Modifications while preparing the goal-directed version.
(0) -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 tip