Ideas from 'Three Grades of Modal Involvement' by Willard Quine [1953], by Theme Structure
[found in 'Ways of Paradox and other essays' by Quine,Willard [Harvard 1976,0-674-94837-8]].
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5. Theory of Logic / C. Ontology of Logic / 1. Ontology of Logic
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12219
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Whether a modal claim is true depends on how the object is described [Fine,K]
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5. Theory of Logic / G. Quantification / 1. Quantification
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10922
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Objects are the values of variables, so a referentially opaque context cannot be quantified into
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9. Objects / D. Essence of Objects / 9. Essence and Properties
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10923
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Aristotelian essentialism says a thing has some necessary and some non-necessary properties
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10. Modality / A. Necessity / 2. Nature of Necessity
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10921
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Necessity can attach to statement-names, to statements, and to open sentences
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10. Modality / A. Necessity / 11. Denial of Necessity
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10924
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Necessity is in the way in which we say things, and not things themselves
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