Sat, 24 Jun 2006 22:25:31 +0200 minor tuning of definitions/proofs;
wenzelm [Sat, 24 Jun 2006 22:25:31 +0200] rev 19948
minor tuning of definitions/proofs;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip