Mon, 17 May 2010 18:59:59 -0700 huffman declare add_nonneg_nonneg [simp]; remove now-redundant lemmas realpow_two_le_order(2)
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip