Combining Philosophers

Ideas for David Fair, George Berkeley and Ned Markosian

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2 ideas

10. Modality / A. Necessity / 10. Impossibility

3946	A thing is shown to be impossible if a contradiction is demonstrated within its definition [Berkeley]

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

14002

Possible worlds must be abstract, because two qualitatively identical worlds are just one world [Markosian]