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
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip