"cjm"^^ . _:b1214744 . "c 'acts upstream of, positive effect' p if c is enables f, and f is causally upstream of p, and the direction of f is positive" . . . "2018-01-26T23:53:14Z"^^ . _:b1214744 _:b1214743 . . "acts upstream of, positive effect" . _:b1214743 . _:b1214743 . _:b1214744 . . .