2009-04-01 cleaned up setprod_zero-related lemmas
nipkow [Wed, 01 Apr 2009 22:29:10 +0200] rev 30843
cleaned up setprod_zero-related lemmas
2009-04-01 merged
huffman [Wed, 01 Apr 2009 11:34:21 -0700] rev 30842
merged
2009-04-01 generalized setprod_nonneg and setprod_pos to ordered_semidom, simplified proofs
huffman [Wed, 01 Apr 2009 11:31:24 -0700] rev 30841
generalized setprod_nonneg and setprod_pos to ordered_semidom, simplified proofs
2009-04-01 added nat_div_gt_0 [simp]
nipkow [Wed, 01 Apr 2009 18:41:15 +0200] rev 30840
added nat_div_gt_0 [simp]
2009-04-01 added setsum_pos_nat
nipkow [Wed, 01 Apr 2009 16:55:31 +0200] rev 30839
added setsum_pos_nat
2009-04-01 merged
nipkow [Wed, 01 Apr 2009 16:03:18 +0200] rev 30838
merged
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