Thu, 08 Jan 2009 21:13:40 -0800 | huffman | merged. | changeset | files |
Thu, 08 Jan 2009 12:25:22 -0800 | huffman | remove type-specific proofs | changeset | files |
Thu, 08 Jan 2009 10:43:09 -0800 | huffman | add lemma dvd_diff to class comm_ring_1 | changeset | files |
Thu, 08 Jan 2009 10:26:50 -0800 | huffman | add lemmas dvd_minus_iff and minus_dvd_iff in class comm_ring_1 | changeset | files |
Thu, 08 Jan 2009 10:07:39 -0800 | huffman | move lemmas mult_minus{left,right} inside class ring | changeset | files |
Thu, 08 Jan 2009 09:58:36 -0800 | huffman | clean up division_ring proofs | changeset | files |
Thu, 08 Jan 2009 09:12:29 -0800 | huffman | add class ring_div; generalize mod/diff/minus proofs for class ring_div | changeset | files |