Fri, 08 Mar 2002 11:41:10 +0100 wenzelm drop Stanford mirror;
Fri, 08 Mar 2002 10:57:53 +0100 paulson for rail v 1.2
Thu, 07 Mar 2002 23:41:30 +0100 wenzelm renamed nat_number_of to nat_number (avoid clash with separate theorem);
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip