Mon, 05 Sep 2011 17:45:37 -0700 | huffman | convert lemma cos_is_zero to Isar-style | changeset | files |
Mon, 05 Sep 2011 17:05:00 -0700 | huffman | merged | changeset | files |
Mon, 05 Sep 2011 17:00:56 -0700 | huffman | convert lemma sin_gt_zero to Isar style; | changeset | files |
Mon, 05 Sep 2011 16:26:57 -0700 | huffman | modify lemma sums_group, and shorten proofs that use it | changeset | files |
Mon, 05 Sep 2011 16:07:40 -0700 | huffman | generalize some lemmas | changeset | files |
Mon, 05 Sep 2011 12:19:04 -0700 | huffman | add lemmas cos_arctan and sin_arctan | changeset | files |
Mon, 05 Sep 2011 08:38:50 -0700 | huffman | tuned indentation | changeset | files |
Mon, 05 Sep 2011 23:51:16 +0200 | wenzelm | more visible outdated_color; | changeset | files |