Wed, 24 Feb 2010 14:19:53 +0100 lemma div_mult_swap, dvd_div_eq_mult, dvd_div_div_eq_mult
haftmann [Wed, 24 Feb 2010 14:19:53 +0100] rev 35367
lemma div_mult_swap, dvd_div_eq_mult, dvd_div_div_eq_mult
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip