Thu, 04 Sep 2008 17:24:18 +0200 | huffman | reorganize subsections | changeset | files |
Thu, 04 Sep 2008 17:21:49 +0200 | huffman | rename INF_drop_prefix to INFM_drop_prefix | changeset | files |
Thu, 04 Sep 2008 17:19:57 +0200 | huffman | add lemma power_Suc2; generalize power_minus from class comm_ring_1 to ring_1 | changeset | files |
Thu, 04 Sep 2008 17:18:44 +0200 | huffman | move diff_add_cancel, add_diff_cancel from class ab_group_add to group_add | changeset | files |