Fri, 09 Sep 2011 09:31:04 -0700 huffman generalize lemma of_nat_number_of_eq to class number_semiring
Fri, 09 Sep 2011 15:14:59 +0200 bulwahn merged
Fri, 09 Sep 2011 14:43:50 +0200 bulwahn stating more explicitly our expectation that these two terms have the same term structure
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