Sun, 03 Nov 2019 18:55:35 +0100 wenzelm determine proof boxes from exported proof (NB: thm_boxes is not sufficient due to OfClass proofs);
Sun, 03 Nov 2019 18:53:48 +0100 wenzelm more operations;
Sun, 03 Nov 2019 16:20:05 +0100 wenzelm tuned whitespace;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip