Tue, 21 Dec 1993 16:40:01 +0100 nipkow added empty type-abbr field to extend_theory
Tue, 21 Dec 1993 16:38:45 +0100 nipkow added []-field to extend_theory: no type abbreviations.
(0) -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip