Tue, 04 Jan 2011 15:03:27 -0800 renamed constant 'UU' to 'bottom', keeping 'UU' as alternative input syntax;
huffman [Tue, 04 Jan 2011 15:03:27 -0800] rev 41429
renamed constant 'UU' to 'bottom', keeping 'UU' as alternative input syntax; removed redundant lemma UU_least
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip