Wed, 10 Aug 2011 15:56:48 -0700 huffman remove redundant lemma
Wed, 10 Aug 2011 14:25:56 -0700 huffman simplify proof of lemma bounded_component
Wed, 10 Aug 2011 14:10:52 -0700 huffman simplify some proofs
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip