Wed, 17 Mar 1999 16:33:47 +0100 Theory.sign_of;
wenzelm [Wed, 17 Mar 1999 16:33:47 +0100] rev 6391
Theory.sign_of;
Wed, 17 Mar 1999 16:33:00 +0100 qualify Theory.sign_of etc.;
wenzelm [Wed, 17 Mar 1999 16:33:00 +0100] rev 6390
qualify Theory.sign_of etc.;
(0) -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip