Wed, 07 Sep 2011 17:41:29 -0700 | huffman | remove redundant lemma complex_of_real_minus_one | changeset | files |
Wed, 07 Sep 2011 18:47:55 -0700 | huffman | simplify proof of lemma DeMoivre, removing unnecessary intermediate lemma | changeset | files |
Wed, 07 Sep 2011 10:04:07 -0700 | huffman | removed unused lemma sin_cos_squared_add2_mult | changeset | files |