Combining Texts

Ideas for 'On the Question of Absolute Undecidability', 'First-Order Modal Logic' and 'Metaphysics: an introduction'

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2 ideas

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

18865

Substance must have two properties: individuation, and property-bearing [Tallant]

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]