Combining Texts
Ideas for
'Mind and Its Place in Nature', 'The Periodic Table' and 'On the Heavens'
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7 ideas
26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / a. Final purpose
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394
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An unworn sandal is in vain, but nothing in nature is in vain [Aristotle]
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396
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There has to be some goal, and not just movement to infinity [Aristotle]
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26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / f. Ancient elements
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16102
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Aether moves in circles and is imperishable; the four elements perish, and move in straight lines [Aristotle, by Gill,ML]
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17463
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An element is what bodies are analysed into, and won't itself divide into something else [Aristotle]
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26. Natural Theory / B. Natural Kinds / 1. Natural Kinds
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17394
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Natural kinds are what are differentiated by nature, and not just by us [Scerri]
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17421
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If elements are natural kinds, might the groups of the periodic table also be natural kinds? [Scerri]
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26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / a. Scientific essentialism
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17396
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The colour of gold is best explained by relativistic effects due to fast-moving inner-shell electrons [Scerri]
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