Tue, 14 Sep 2010 20:07:18 +0200 blanchet first step in generalizing to nonnumeric proof step names (e.g. remote Vampire 0.6)
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip