Thu, 11 Apr 2019 21:33:21 +0200 wenzelm tuned;
Thu, 11 Apr 2019 21:01:59 +0200 wenzelm tuned;
Thu, 11 Apr 2019 17:16:03 +0100 paulson merge plus tidied three proofs
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip