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Single Idea 11891

[filed under theme 10. Modality / E. Possible worlds / 3. Transworld Objects / b. Rigid designation ]

Full Idea

Plantinga says for an individual to exist with certain properties in some possible world is simply for it to be true that, had that possible world obtained, that individual would have existed with those properties.

Gist of Idea

Possibilities for an individual can only refer to that individual, in some possible world

Source

report of Alvin Plantinga (The Nature of Necessity [1974]) by Penelope Mackie - How Things Might Have Been 5.1

Book Ref

Mackie,Penelope: 'How Things Might Have Been' [OUP 2006], p.80


A Reaction

This is intended to dissolve the problem of transworld identity, and is certainly a flat rejection of counterparts. I take the point to be that the individual is the key element in defining the possible world, so can't possibly be different.