Wed, 12 Dec 2001 19:21:54 +0100 nipkow new rewrite rules for use by arith_tac to take care of uminus.
Wed, 12 Dec 2001 19:21:02 +0100 nipkow mods due to reorienting and renaming of real_minus_mult_eq1/2
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip