Combining Texts
Ideas for
'Set Theory and related topics (2nd ed)', 'On the Cosmos (lost)' and 'New work for a theory of universals'
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10 ideas
26. Natural Theory / A. Speculations on Nature / 4. Mathematical Nature
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1518
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Everything must involve numbers, or it couldn't be thought about or known [Philolaus]
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1519
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Harmony must pre-exist the cosmos, to bring the dissimilar sources together [Philolaus]
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473
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There is no falsehood in harmony and number, only in irrational things [Philolaus]
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26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / d. The unlimited
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469
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Existing things, and hence the Cosmos, are a mixture of the Limited and the Unlimited [Philolaus]
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26. Natural Theory / C. Causation / 9. General Causation / c. Counterfactual causation
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8608
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Counterfactuals 'backtrack' if a different present implies a different past [Lewis]
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8584
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Causal counterfactuals must avoid backtracking, to avoid epiphenomena and preemption [Lewis]
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26. Natural Theory / D. Laws of Nature / 1. Laws of Nature
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8581
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Physics discovers laws and causal explanations, and also the natural properties required [Lewis]
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15727
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Physics aims for a list of natural properties [Lewis]
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26. Natural Theory / D. Laws of Nature / 4. Regularities / b. Best system theory
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8611
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A law of nature is any regularity that earns inclusion in the ideal system [Lewis]
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26. Natural Theory / D. Laws of Nature / 6. Laws as Numerical
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476
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Self-created numbers make the universe stable [Philolaus]
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