Mon, 08 Feb 2010 14:06:58 +0100 haftmann more precise proofs
Mon, 08 Feb 2010 14:06:54 +0100 haftmann moved auxiliary lemmas to more appropriate places
Mon, 08 Feb 2010 14:06:51 +0100 haftmann separate library theory for type classes combining lattices with various algebraic structures; more simp rules
Mon, 08 Feb 2010 14:06:48 +0100 haftmann dropped instantiations for combined lattices
Mon, 08 Feb 2010 14:06:46 +0100 haftmann added lemmas involving Min, Max, uminus
Mon, 08 Feb 2010 14:06:43 +0100 haftmann tuned proof
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