Single Idea 16454

[catalogued under 10. Modality / E. Possible worlds / 3. Transworld Objects / c. Counterparts]

Full Idea

Things have modal properties only relative to the choice of a counterpart relation, and the choice between alternative counterpart relations is not constrained by the metaphysics.

Gist of Idea

Modal properties depend on the choice of a counterpart, which is unconstrained by metaphysics

Source

Robert C. Stalnaker (Mere Possibilities [2012], 3.6)

Book Reference

Stalnaker,Robert C.: 'Mere Possibilities' [Princeton 2012], p.71


A Reaction

Stalnaker is sympathetic to counterparts, but this strikes me as a powerful objection to the theory. I take the modal properties of something to be fixed by its actuality.