Combining Texts
Ideas for
'Mathematical Methods in Philosophy', 'works' and 'Causal and Metaphysical Necessity'
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9 ideas
10. Modality / A. Necessity / 5. Metaphysical Necessity
15099
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If something is possible, but not nomologically possible, we need metaphysical possibility [Shoemaker]
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10. Modality / D. Knowledge of Modality / 1. A Priori Necessary
15101
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Once you give up necessity as a priori, causal necessity becomes the main type of necessity [Shoemaker]
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10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / a. Conceivable as possible
15098
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Empirical evidence shows that imagining a phenomenon can show it is possible [Shoemaker]
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15100
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Imagination reveals conceptual possibility, where descriptions avoid contradiction or incoherence [Shoemaker]
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10. Modality / E. Possible worlds / 1. Possible Worlds / a. Possible worlds
18745
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A Tarskian model can be seen as a possible state of affairs [Horsten/Pettigrew]
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18747
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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
18748
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Epistemic logic introduced impossible worlds [Horsten/Pettigrew]
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10. Modality / E. Possible worlds / 1. Possible Worlds / e. Against possible worlds
18746
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Possible worlds models contain sets of possible worlds; this is a large metaphysical commitment [Horsten/Pettigrew]
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18750
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Using possible worlds for knowledge and morality may be a step too far [Horsten/Pettigrew]
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