Tue, 24 Mar 1998 15:46:34 +0100 oheimb added acyclicI
Tue, 24 Mar 1998 15:46:08 +0100 oheimb added finite_acyclic_wf_converse
Mon, 23 Mar 1998 13:56:53 +0100 paulson more thms
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip