Combining Philosophers
Ideas for Thales, Harr�,R./Madden,E.H. and Willard Quine
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6 ideas
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 / B. Natural Kinds / 6. Necessity of Kinds
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15292
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We can base the idea of a natural kind on the mechanisms that produce natural necessity [Harré/Madden]
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26. Natural Theory / B. Natural Kinds / 7. Critique of Kinds
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15299
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Species do not have enough constancy to be natural kinds [Harré/Madden]
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