Fri, 23 Jul 1999 14:05:50 +0200 wenzelm fix occurences of numerals in HOL/ZF terms;
Fri, 23 Jul 1999 12:10:42 +0200 nipkow New lemmas by Stefan Merz.
Thu, 22 Jul 1999 20:53:54 +0200 wenzelm avoid '(0 subgoals)';
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip