Sat, 20 Oct 2001 20:18:57 +0200 wenzelm tuned;
Sat, 20 Oct 2001 20:18:45 +0200 wenzelm calculational rules moved from FOL to IFOL;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip