Tue, 13 Jul 2004 12:32:01 +0200 nipkow Got rid of Summation and made it a translation into setsum instead.
Mon, 12 Jul 2004 19:56:58 +0200 webertj read_dimacs_cnf_file added
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip