Single Idea 15171

[catalogued under 10. Modality / D. Knowledge of Modality / 3. A Posteriori Necessary]

Full Idea

The necessary a posteriori crudely divides into two groups - (synthetic) identity statements (between rigid designators), and statements of essential properties. The latter is either statements of property identity, or of the essences of natural kinds.

Gist of Idea

The necessary a posteriori is statements either of identity or of essence

Source

Alan Sidelle (Necessity, Essence and Individuation [1989], Ch.2)

Book Reference

Sidelle,Alan: 'Necessity, Essence and Individuation' [Cornell 1989], p.25


A Reaction

He cites Kripke's examples (Hesperus,Cicero,Truman,water,gold), and divides them into the two groups. Helpful.