Wed, 31 Dec 2008 00:08:11 +0100 wenzelm use regular Term.add_vars, Term.add_frees etc.;
Wed, 31 Dec 2008 00:01:51 +0100 wenzelm added old_term.ML;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip