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Single Idea 13116

[filed under theme 7. Existence / E. Categories / 1. Categories ]

Full Idea

There is an idea that objects belonging to the same category have the same criteria of identity. This view was first explicitly endorsed by Frege (1884), and was later systematized by Dummett (1981).

Gist of Idea

Maybe objects in the same category have the same criteria of identity

Source

Jan Westerhoff (Ontological Categories [2005], Intro)

Book Ref

Westerhoff,Jan: 'Ontological Categories' [OUP 2005], p.5


A Reaction

This approach is based on identity between equivalence classes. Westerhoff says it means, implausibly, that the resulting categories cannot share properties.