Combining Texts

Ideas for 'fragments/reports', 'The Central Questions of Philosophy' and 'First-Order Modal Logic'

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2 ideas

9. Objects / D. Essence of Objects / 3. Individual Essences

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We see properties necessary for a kind (in the definition), but not for an individual [Ayer]

9. Objects / F. Identity among Objects / 7. Indiscernible Objects

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The Indiscernibility of Identicals has been a big problem for modal logic [Fitting/Mendelsohn]