Mon, 29 Mar 2010 18:44:24 +0200 make Sledgehammer output "by" vs. "apply", "qed" vs. "next", and any necessary "prefer"
blanchet [Mon, 29 Mar 2010 18:44:24 +0200] rev 36063
make Sledgehammer output "by" vs. "apply", "qed" vs. "next", and any necessary "prefer"
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip