Abstract

The Thomistic proof of the immateriality of human reason consists in the argument from the fact that intellection has as its object not empirical particulars but abstract universals. A standard objection against dualism plays up the problem with the causal influence of the soul on the body . The Thomistic solution depends on the hylemorphic conception of the soul as substantial form of body, i.e. on the view that the human soul is that in virtue of which a human body has those essential properties which it has