Single Idea 6975

[catalogued under 10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds]

Full Idea

Possible worlds might be concrete (Lewis), or abstract (Stalnaker), or structured universals (Forrest), or collections of sentences (Jeffrey), or mere combinations of properties and relations (Armstrong).

Gist of Idea

Possible worlds could be concrete, abstract, universals, sentences, or properties

Source

Frank Jackson (From Metaphysics to Ethics [1998], Ch.1)

Book Reference

Jackson,Frank: 'From Metaphysics to Ethics' [OUP 2000], p.11


A Reaction

A helpful summary. I don't like concrete, or collections of sentences. Whatever they are, they had better be 'possible', so not any old collection or idea will do.