Combining Texts
Ideas for
'Mathematical Methods in Philosophy', 'How the Laws of Physics Lie' and 'Mere Possibilities'
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11 ideas
10. Modality / E. Possible worlds / 1. Possible Worlds / a. Possible worlds
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A Tarskian model can be seen as a possible state of affairs [Horsten/Pettigrew]
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The 'spheres model' was added to possible worlds, to cope with counterfactuals [Horsten/Pettigrew]
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10. Modality / E. Possible worlds / 1. Possible Worlds / b. Impossible worlds
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Epistemic logic introduced impossible worlds [Horsten/Pettigrew]
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10. Modality / E. Possible worlds / 1. Possible Worlds / d. Possible worlds actualism
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Given actualism, how can there be possible individuals, other than the actual ones? [Stalnaker]
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10. Modality / E. Possible worlds / 1. Possible Worlds / e. Against possible worlds
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Possible worlds models contain sets of possible worlds; this is a large metaphysical commitment [Horsten/Pettigrew]
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Using possible worlds for knowledge and morality may be a step too far [Horsten/Pettigrew]
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10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds
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Possible worlds are properties [Stalnaker]
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16444
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Possible worlds don't reduce modality, they regiment it to reveal its structure [Stalnaker]
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16445
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I think of worlds as cells (rather than points) in logical space [Stalnaker]
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10. Modality / E. Possible worlds / 3. Transworld Objects / c. Counterparts
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Modal properties depend on the choice of a counterpart, which is unconstrained by metaphysics [Stalnaker]
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10. Modality / E. Possible worlds / 3. Transworld Objects / d. Haecceitism
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Anti-haecceitism says there is no more to an individual than meeting some qualitative conditions [Stalnaker]
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