Combining Texts
Ideas for
'Queries to the 'Opticks'', 'Abstract Objects' and 'Philosophy and Scientific Image of Man'
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6 ideas
7. Existence / C. Structure of Existence / 2. Reduction
6550
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Reduction requires that an object's properties consist of its constituents' properties and relations [Sellars]
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7. Existence / C. Structure of Existence / 7. Abstract/Concrete / a. Abstract/concrete
10512
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The abstract/concrete distinction is based on what is perceivable, causal and located [Hale]
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10517
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Colours and points seem to be both concrete and abstract [Hale]
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10519
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The abstract/concrete distinction is in the relations in the identity-criteria of object-names [Hale]
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10520
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Token-letters and token-words are concrete objects, type-letters and type-words abstract [Hale]
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7. Existence / C. Structure of Existence / 7. Abstract/Concrete / b. Levels of abstraction
10524
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There is a hierarchy of abstraction, based on steps taken by equivalence relations [Hale]
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