Combining Philosophers
Ideas for John Cottingham, Gottlob Frege and Frank Jackson
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5 ideas
7. Existence / C. Structure of Existence / 2. Reduction
6984
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Smooth reductions preserve high-level laws in the lower level [Jackson]
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7. Existence / C. Structure of Existence / 4. Ontological Dependence
17443
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Many of us find Frege's claim that truths depend on one another an obscure idea [Heck on Frege]
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17445
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Parallelism is intuitive, so it is more fundamental than sameness of direction [Frege, by Heck]
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7. Existence / C. Structure of Existence / 7. Abstract/Concrete / a. Abstract/concrete
10539
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Frege refers to 'concrete' objects, but they are no different in principle from abstract ones [Frege, by Dummett]
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7. Existence / C. Structure of Existence / 7. Abstract/Concrete / b. Levels of abstraction
9578
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If objects are just presentation, we get increasing abstraction by ignoring their properties [Frege]
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