Thu, 25 Mar 2004 10:31:25 +0100 paulson new treatment of equivalence classes
Thu, 25 Mar 2004 06:44:39 +0100 kleing documented new identifier syntax
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip