Thu, 08 Jan 2009 09:12:29 -0800 huffman add class ring_div; generalize mod/diff/minus proofs for class ring_div
Thu, 08 Jan 2009 08:36:16 -0800 huffman generalize zmod_zmod_cancel -> mod_mod_cancel
Thu, 08 Jan 2009 08:24:08 -0800 huffman generalize some div/mod lemmas; remove type-specific proofs
Wed, 07 Jan 2009 08:13:56 -0800 huffman add tracing for domain package proofs
Tue, 06 Jan 2009 11:49:23 -0800 huffman rename abbreviation square -> power2, to match theorem names
Fri, 09 Jan 2009 08:22:44 +0100 haftmann merged
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