Combining Texts
Ideas for
'Natural Kinds', 'Principles of Philosophy' and 'Anthropological Studies of Classification'
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8 ideas
26. Natural Theory / A. Speculations on Nature / 1. Nature
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15987
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Physics only needs geometry or abstract mathematics, which can explain and demonstrate everything [Descartes]
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26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / c. Purpose denied
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12730
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We will not try to understand natural or divine ends, or final causes [Descartes]
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26. Natural Theory / A. Speculations on Nature / 7. Later Matter Theories / c. Matter as extension
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16601
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Matter is not hard, heavy or coloured, but merely extended in space [Descartes]
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26. Natural Theory / B. Natural Kinds / 1. Natural Kinds
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7375
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Quine probably regrets natural kinds now being treated as essences [Quine, by Dennett]
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16935
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If similarity has no degrees, kinds cannot be contained within one another [Quine]
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16936
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Comparative similarity allows the kind 'colored' to contain the kind 'red' [Quine]
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26. Natural Theory / B. Natural Kinds / 3. Knowing Kinds
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16937
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You can't base kinds just on resemblance, because chains of resemblance are a muddle [Quine]
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26. Natural Theory / D. Laws of Nature / 4. Regularities / a. Regularity theory
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16942
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It is hard to see how regularities could be explained [Quine]
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