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Ideas for '', 'Philebus' and 'Necessary Beings'

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3 ideas

6. Mathematics / A. Nature of Mathematics / 2. Geometry

9867	It is absurd to define a circle, but not be able to recognise a real one [Plato]

6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / f. Arithmetic

9865	Daily arithmetic counts unequal things, but pure arithmetic equalises them [Plato]

6. Mathematics / C. Sources of Mathematics / 6. Logicism / c. Neo-logicism

19295

Add Hume's principle to logic, to get numbers; arithmetic truths rest on the nature of the numbers [Hale]