Combining Philosophers
Ideas for B Hale / C Wright, Aristotle and Mark Colyvan
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10 ideas
18. Thought / E. Abstraction / 2. Abstracta by Selection
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9789
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You can't abstract natural properties to make Forms - objects and attributes are defined together [Aristotle]
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9070
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We learn primitives and universals by induction from perceptions [Aristotle]
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18. Thought / E. Abstraction / 3. Abstracta by Ignoring
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9788
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Mathematicians study what is conceptually separable, and doesn't lead to error [Aristotle]
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9792
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Mathematicians study quantity and continuity, and remove the perceptible features of things [Aristotle]
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9077
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Mathematicians suppose inseparable aspects to be separable, and study them in isolation [Aristotle]
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18. Thought / E. Abstraction / 7. Abstracta by Equivalence
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10630
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Abstracted objects are not mental creations, but depend on equivalence between given entities [Hale/Wright]
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8786
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One first-order abstraction principle is Frege's definition of 'direction' in terms of parallel lines [Hale/Wright]
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12227
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Abstractionism needs existential commitment and uniform truth-conditions [Hale/Wright]
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12228
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Equivalence abstraction refers to objects otherwise beyond our grasp [Hale/Wright]
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18. Thought / E. Abstraction / 8. Abstractionism Critique
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9075
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If health happened to be white, the science of health would not study whiteness [Aristotle]
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