Thu, 26 Apr 2018 12:55:48 +0100 paulson some of Jose Divasón's material from Rank_Nullity_Theorem/Miscellaneous
Thu, 26 Apr 2018 12:32:13 +0200 wenzelm spelling;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 tip