Mon, 21 Sep 1998 12:01:14 +0200 oheimb simplified proof
Mon, 21 Sep 1998 10:46:58 +0200 paulson inserted space in #-1 to prevent confusion with an integer constant
Mon, 21 Sep 1998 10:43:54 +0200 paulson Unary minus is now #- and not #~
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip