Combining Philosophers
Ideas for Roger Penrose, Joseph Melia and R.B. Braithwaite
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5 ideas
10. Modality / E. Possible worlds / 1. Possible Worlds / a. Possible worlds
5734
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Possible worlds make it possible to define necessity and counterfactuals without new primitives [Melia]
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5742
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In possible worlds semantics the modal operators are treated as quantifiers [Melia]
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5743
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If possible worlds semantics is not realist about possible worlds, logic becomes merely formal [Melia]
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5749
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Possible worlds could be real as mathematics, propositions, properties, or like books [Melia]
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10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / b. Worlds as fictions
5751
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The truth of propositions at possible worlds are implied by the world, just as in books [Melia]
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