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Ideas for 'Parmenides', 'Naming and Necessity lectures' and 'Tractatus Logico-Philosophicus'

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6 ideas

9. Objects / F. Identity among Objects / 1. Concept of Identity

6056	Identity is not a relation between objects [Wittgenstein]

9. Objects / F. Identity among Objects / 2. Defining Identity

22322

You can't define identity by same predicates, because two objects with same predicates is assertable [Wittgenstein]

9. Objects / F. Identity among Objects / 5. Self-Identity

6057	Two things can't be identical, and self-identity is an empty concept [Wittgenstein]

9. Objects / F. Identity among Objects / 6. Identity between Objects

17036

Identity statements can be contingent if they rely on descriptions [Kripke]

15847

Two things relate either as same or different, or part of a whole, or the whole of the part [Plato]

17038

If Hesperus and Phosophorus are the same, they can't possibly be different [Kripke]