Thomism
Predication

Aquinas noted three forms of descriptive language when predicating: univocal, analogical, and equivocal.

Further, the usage of " definition " that Aquinas gives is the genus of the being, plus a difference that sets it apart from the genus itself. For instance, the Aristotelian definition of "man" is " rational animal "; its genus being animal, and what sets apart man from other animals is his rationality.
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