Chapter 16
Predication is univocal when the subject admits of both the name and the definition of the name itself. For instance, the animal is predicated of man and admits of both the name and the definition of the animal, because an animal is an animate sentient substance and man admits of this definition. For man is an animate and sentient substance.
On the other hand, predication is equivocal when the subject admits indeed of the name, but not at all of the definition. For instance, the picture of a man admits of the name of the man, but it does not admit of the definition of man. For man is de