Thu, 17 Nov 2011 06:04:59 +0100 huffman simplify some proofs
Thu, 17 Nov 2011 06:01:47 +0100 huffman Int.thy: remove duplicate lemmas double_less_0_iff and odd_less_0, use {even,odd}_less_0_iff instead
Thu, 17 Nov 2011 05:27:45 +0100 huffman merged
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