Combining Texts
Ideas for
'fragments/reports', 'Sameness and Substance Renewed' and 'Ontological Relativity'
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9 ideas
9. Objects / F. Identity among Objects / 1. Concept of Identity
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18965
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We know what things are by distinguishing them, so identity is part of ontology [Quine]
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11843
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Identity over a time and at a time aren't different concepts [Wiggins]
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11864
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Hesperus=Hesperus, and Phosphorus=Hesperus, so necessarily Phosphorus=Hesperus [Wiggins]
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9. Objects / F. Identity among Objects / 2. Defining Identity
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11831
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The formal properties of identity are reflexivity and Leibniz's Law [Wiggins]
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9. Objects / F. Identity among Objects / 3. Relative Identity
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14362
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Relative Identity is incompatible with the Indiscernibility of Identicals [Wiggins, by Strawson,P]
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11838
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Relativity of Identity makes identity entirely depend on a category [Wiggins]
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11847
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To identify two items, we must have a common sort for them [Wiggins]
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9. Objects / F. Identity among Objects / 8. Leibniz's Law
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11839
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Do both 'same f as' and '=' support Leibniz's Law? [Wiggins]
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11845
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Substitutivity, and hence most reasoning, needs Leibniz's Law [Wiggins]
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