Thu, 09 Jul 2015 16:49:08 +0200 wenzelm merged
Thu, 09 Jul 2015 15:20:54 +0200 wenzelm clarified context;
Thu, 09 Jul 2015 00:40:57 +0200 wenzelm tuned proofs;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 tip