Fri, 30 Mar 2012 13:56:36 +0200 Cezary Kaliszyk Clean the proof of Aux
Fri, 30 Mar 2012 13:39:15 +0200 Cezary Kaliszyk Finish all subgoals about Aux.
(0) -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 tip