His contribution to positivism pertains not to science and its objectivity, but rather to the subjectivity of art and the way artists, their work, and audiences interrelate.
Rhetoric is able to navigate among the various kinds of arts and sciences providing an opportunity to interrelate them and set new ends which makes use of both spheres.
The four would be written with this in mind, keeping sets, locations, and actors similar in all four episodes even if story and plot lines might not interrelate.
In common with many poststructuralists, his arguments consistently draw upon the notion that signification and meaning are both only understandable in terms of how particular words or signs interrelate.