Fri, 22 Oct 2010 07:44:34 -0700 huffman direct instantiation unit :: discrete_cpo
Fri, 22 Oct 2010 06:58:45 -0700 huffman remove finite_po class
Fri, 22 Oct 2010 06:08:51 -0700 huffman simplify proofs about flift; remove unneeded lemmas
Fri, 22 Oct 2010 05:54:54 -0700 huffman simplify proof
Thu, 21 Oct 2010 15:21:39 -0700 huffman minimize imports
Thu, 21 Oct 2010 15:19:07 -0700 huffman add type annotation to avoid warning
Thu, 21 Oct 2010 12:51:36 -0700 huffman simplify some proofs, convert to Isar style
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