Wed, 10 Nov 2010 08:18:32 -0800 add class liftdomain, for bifinite domains where DEFL('a u) = u_defl('a)
huffman [Wed, 10 Nov 2010 08:18:32 -0800] rev 40494
add class liftdomain, for bifinite domains where DEFL('a u) = u_defl('a)
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip