Fri, 21 Sep 2007 22:51:12 +0200 wenzelm added has_abs (from envir.ML);
Fri, 21 Sep 2007 22:51:10 +0200 wenzelm Term.has_abs;
Fri, 21 Sep 2007 22:51:08 +0200 wenzelm proper signature constraint;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip