Mon, 21 Apr 1997 13:49:40 +0200 Modified credits.
nipkow [Mon, 21 Apr 1997 13:49:40 +0200] rev 3005
Modified credits.
Mon, 21 Apr 1997 12:16:29 +0200 New elimination rule for "unique existence"
paulson [Mon, 21 Apr 1997 12:16:29 +0200] rev 3004
New elimination rule for "unique existence"
(0) -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip