Tue, 19 Oct 2010 07:05:04 -0700 huffman simplify fixrec pattern match function
Sun, 17 Oct 2010 09:53:47 -0700 huffman simplify some proofs
Tue, 19 Oct 2010 15:13:35 +0100 Christian Urban tuned
Tue, 19 Oct 2010 12:26:38 +0200 bulwahn added some facts about factorial and dvd, div and mod
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