PHILOS 3 Lecture Notes - Lecture 9: Unmoved Mover, Supreme Intelligence
Document Summary
Potency the potentiality, power or ability of one substance to be: The same substance with one or more new properties. Act: the realization of a potency, in two senses: The result of that process, the actualization of a potency. Everything is moved is moved by something else that moves it. 2. 1 (definition) motion or change is the act of something, c, which is in potency to something else, h, insofar as c is in potency to h. 2. 1. 1 (explanation) if f is in act to h, f is already h or some aspect of: but if c is in potency to h, c is not h or an aspect of h. If and only if c is not h can c come to be h or some aspect of h. if c is in potency to h, c cannot be h but must be able to be h.
