Combining Philosophers

Ideas for Rescher,N/Oppenheim,P, John Perry and Ruth Barcan Marcus

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4 ideas

10. Modality / E. Possible worlds / 1. Possible Worlds / a. Possible worlds

11183

The use of possible worlds is to sort properties (not to individuate objects) [Marcus (Barcan)]

4899	Possible worlds thinking has clarified the logic of modality, but is problematic in epistemology [Perry]

10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds

4898	Possible worlds are indices for a language, or concrete realities, or abstract possibilities [Perry]

10. Modality / E. Possible worlds / 3. Transworld Objects / b. Rigid designation

11187

In possible worlds, names are just neutral unvarying pegs for truths and predicates [Marcus (Barcan)]