Tue, 13 Jul 1999 10:45:09 +0200 paulson many new theorems
Tue, 13 Jul 1999 10:44:45 +0200 paulson renamed inj_nat to inj_int
Tue, 13 Jul 1999 10:44:13 +0200 paulson new monotonicity theorems
Tue, 13 Jul 1999 10:43:31 +0200 paulson new theorem zmult_eq_0_iff
Tue, 13 Jul 1999 10:42:31 +0200 paulson renamed sort "numeral" to "number"
Tue, 13 Jul 1999 10:41:59 +0200 paulson simplified the <= monotonicity proof
Mon, 12 Jul 1999 22:29:38 +0200 wenzelm local qeds: print rule;
(0) -3000 -1000 -300 -100 -30 -10 -7 +7 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip