Tue, 05 Oct 1999 15:30:14 +0200 wenzelm Present.setup;
Tue, 05 Oct 1999 15:29:46 +0200 berghofe Added attribute rulify_prems (useful for modifying premises of introduction
Tue, 05 Oct 1999 15:29:36 +0200 wenzelm added copy_all;
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip