Tue, 08 Dec 2009 20:55:55 +0100 started to reformulate preserve lemmas
Christian Urban <urbanc@in.tum.de> [Tue, 08 Dec 2009 20:55:55 +0100] rev 644
started to reformulate preserve lemmas
(0) -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 tip