The Categories 1. Where When Position Having Action Passion 2. Substances are, for Aristotle, the fundamental entities. To see why this is so, we will have to introduce some important Aristotelian distinctions.
Man is an animal.
White is a color. The same thing may be both a subject and a predicate. E.g., man and white above. Plato's account suggests that it is. For Plato, predication, in general, is explicated in terms of the notion of participating in a Form .