Thu, 24 Mar 1994 13:43:45 +0100 nipkow structural induction for strict lists
Thu, 24 Mar 1994 13:36:34 +0100 nipkow Franz fragen
(0) -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip