Fri, 24 Aug 2007 00:37:12 +0200 remove unused lemmas
huffman [Fri, 24 Aug 2007 00:37:12 +0200] rev 24419
remove unused lemmas
(0) -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip