Wed, 01 Apr 2009 22:29:27 +0200 nipkow merged
Wed, 01 Apr 2009 22:29:10 +0200 nipkow cleaned up setprod_zero-related lemmas
Wed, 01 Apr 2009 11:34:21 -0700 huffman merged
Wed, 01 Apr 2009 11:31:24 -0700 huffman generalized setprod_nonneg and setprod_pos to ordered_semidom, simplified proofs
Wed, 01 Apr 2009 18:41:15 +0200 nipkow added nat_div_gt_0 [simp]
Wed, 01 Apr 2009 16:55:31 +0200 nipkow added setsum_pos_nat
Wed, 01 Apr 2009 16:03:18 +0200 nipkow merged
Wed, 01 Apr 2009 16:03:00 +0200 nipkow added strong_setprod_cong[cong] (in analogy with setsum)
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