Combining Texts
Ideas for
'Philosophical Fragments', 'Logical Analysis of Gestalt Concepts' and 'Contingent Identity'
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4 ideas
10. Modality / A. Necessity / 2. Nature of Necessity
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Nothing necessary can come into existence, since it already 'is' [Kierkegaard]
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10. Modality / E. Possible worlds / 3. Transworld Objects / a. Transworld identity
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Possible worlds identity needs a sortal [Gibbard]
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Only concepts, not individuals, can be the same across possible worlds [Gibbard]
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10. Modality / E. Possible worlds / 3. Transworld Objects / b. Rigid designation
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Kripke's semantics needs lots of intuitions about which properties are essential [Gibbard]
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