Tue, 28 Feb 2017 00:26:34 +0000 added two sanity lemmas
Christian Urban <urbanc@in.tum.de> [Tue, 28 Feb 2017 00:26:34 +0000] rev 222
added two sanity lemmas
(0) -100 -30 -10 -1 +1 +10 +30 +100 +300 tip