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Thu, 08 Jan 2009 10:26:50 -0800
add lemmas dvd_minus_iff and minus_dvd_iff in class comm_ring_1
changeset
huffman [Thu, 08 Jan 2009 10:26:50 -0800] rev 29408
add lemmas dvd_minus_iff and minus_dvd_iff in class comm_ring_1
Thu, 08 Jan 2009 10:07:39 -0800
move lemmas mult_minus{left,right} inside class ring
changeset
huffman [Thu, 08 Jan 2009 10:07:39 -0800] rev 29407
move lemmas mult_minus{left,right} inside class ring
Thu, 08 Jan 2009 09:58:36 -0800
clean up division_ring proofs
changeset
huffman [Thu, 08 Jan 2009 09:58:36 -0800] rev 29406
clean up division_ring proofs
Thu, 08 Jan 2009 09:12:29 -0800
add class ring_div; generalize mod/diff/minus proofs for class ring_div
changeset
huffman [Thu, 08 Jan 2009 09:12:29 -0800] rev 29405
add class ring_div; generalize mod/diff/minus proofs for class ring_div
Thu, 08 Jan 2009 08:36:16 -0800
generalize zmod_zmod_cancel -> mod_mod_cancel
changeset
huffman [Thu, 08 Jan 2009 08:36:16 -0800] rev 29404
generalize zmod_zmod_cancel -> mod_mod_cancel
Thu, 08 Jan 2009 08:24:08 -0800
generalize some div/mod lemmas; remove type-specific proofs
changeset
huffman [Thu, 08 Jan 2009 08:24:08 -0800] rev 29403
generalize some div/mod lemmas; remove type-specific proofs
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