Sun, 07 Mar 2010 10:03:16 -0800 huffman merged
Sun, 07 Mar 2010 09:57:30 -0800 huffman arith tactic uses 'priority' instead of 'warning' to print messages
Sun, 07 Mar 2010 09:21:16 -0800 huffman add simp rules about Ints, Nats
Sun, 07 Mar 2010 08:40:38 -0800 huffman add more simp rules for Ints
Sun, 07 Mar 2010 07:42:46 -0800 huffman add lemmas Nats_cases and Nats_induct
Sun, 07 Mar 2010 07:29:34 -0800 huffman generalize some lemmas, and remove a few unnecessary ones
Sat, 06 Mar 2010 18:24:30 -0800 huffman generalize some lemmas from class linordered_ring_strict to linordered_ring
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