an organizing principle that subsumes a variety of intuitions and refers the intuition as intuitions of objects
a special unary predicate that denotes a set, as with Eagle and Number
a subset of all perceptions
the active species of representation, by means of which our understanding enables us to think. By requiring perceptions to conform to the categories, concepts serve as 'rules' allowing us to perceive general relations between representations. (Cf. intuition.)
A class or category that subsumes a number of individual instances. An important way of relating concepts is through propositions, which make some assertion that relates a subject (e.g., chickens) and a predicate (e.g., lay eggs).