Mon, 14 Sep 1998 10:18:07 +0200 commented out duplicate proof
paulson [Mon, 14 Sep 1998 10:18:07 +0200] rev 5487
commented out duplicate proof
Mon, 14 Sep 1998 10:17:44 +0200 simpler proof
paulson [Mon, 14 Sep 1998 10:17:44 +0200] rev 5486
simpler proof
(0) -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip