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Ideas for
'Metaphysics', 'Explanation - Opening Address' and 'Investigations in the Foundations of Set Theory I'
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5 ideas
27. Natural Reality / B. Modern Physics / 1. Relativity / b. General relativity
17063
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Unlike Newton, Einstein's general theory explains the perihelion of Mercury [Smart]
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27. Natural Reality / D. Time / 3. Parts of Time / a. Beginning of time
617
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It is hard to see how either time or movement could come into existence or be destroyed [Aristotle]
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27. Natural Reality / E. Cosmology / 3. The Beginning
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Even if the world is caused by fate, mind and nature are still prior causes [Aristotle]
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619
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Something which both moves and is moved is intermediate, so it follows that there must be an unmoved mover [Aristotle]
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620
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The first mover is necessary, and because it is necessary it is good [Aristotle]
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