Ideas of Max Black, by Theme
[Russian, b.1909, Born at Baku in Russia. Lived in the United States. Professor at Cornell Univesity.]
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4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / j. Axiom of Choice IX
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The Axiom of Choice needs a criterion of choice
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9. Objects / A. Existence of Objects / 5. Individuation / b. Individuation by properties
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Two things can only be distinguished by a distinct property or a distinct relation
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9. Objects / F. Identity among Objects / 5. Self-Identity
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The 'property' of self-identity is uselessly tautological
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9. Objects / F. Identity among Objects / 7. Indiscernible Objects
10195
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If the universe just held two indiscernibles spheres, that refutes the Identity of Indiscernibles
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