Tue, 27 Jun 2006 10:09:44 +0200 haftmann slight improvement
Tue, 27 Jun 2006 10:09:39 +0200 haftmann replaced subgraph by project
Sat, 24 Jun 2006 22:54:37 +0200 wenzelm fix/fixes: tuned type constraints;
Sat, 24 Jun 2006 22:25:31 +0200 wenzelm minor tuning of definitions/proofs;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -4 +4 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip