In the book, a genus (jins) is an essential universal predicated of kinds whose essences are different.
'Animal' may be predicated of humans, cattle and goats. All are animals, yet their specific natures differ.
The genus expresses a component common to these different essences. A broad label alone is not enough: the universal must be essential to the kinds compared.
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Definition of genus
The Five Universals: Genus, Species, Differentia, Property, Common Accident
In the book, a genus (jins) is an essential universal predicated of kinds whose essences are different.
'Animal' may be predicated of humans, cattle and goats. All are animals, yet their specific natures differ.
The genus expresses a component common to these different essences. A broad label alone is not enough: the universal must be essential to the kinds compared.