Tue, 18 May 2010 06:28:42 -0700 | huffman | merged | changeset | files |
Mon, 17 May 2010 18:59:59 -0700 | huffman | declare add_nonneg_nonneg [simp]; remove now-redundant lemmas realpow_two_le_order(2) | changeset | files |
Mon, 17 May 2010 18:51:25 -0700 | huffman | simplify proof | changeset | files |