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4 ideas
8375 | 'Necessary' is a predicate of a propositional function, saying it is true for all values of its argument [Russell] |
15795 | Treating possible worlds as mental needs more actual mental events [Lycan] |
15796 | Possible worlds must be made of intensional objects like propositions or properties [Lycan] |
15794 | If 'worlds' are sentences, and possibility their consistency, consistency may rely on possibility [Lycan] |