Thu, 04 Dec 1997 09:05:59 +0100 Simplified proofs.
nipkow [Thu, 04 Dec 1997 09:05:59 +0100] rev 4359
Simplified proofs.
(0) -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip