In other words, judgment is true when within itself the intellect unites elements that are in reality also copulated. Judgment is false when the intellect or mind joins things which in reality are apart, that is, knowledge through judgment understands or grasps an objective state of things. The meaning of judgment and the behavior of objects which we judge move in parallel. Syllogism consists of more judgments. In the former instance it is motivated by the general and moves to the special, in the latter case the reverse process takes place.
Every judgment consists of two concepts, the subject and the predicate or object.
Each of these falls, according to Aristotle, in a certain 'category'. The category is a manner of description. Whatever is said in one sentence, indicates either one substance or one quantity, or one quality, or one relationship, and so on. In the sentence, for example, 'The horse is black and large', the horse can be characterized as the substance, black can be described as the quality, and large as the quantity. Aristotle drew up a list of ten categories .