Combining Texts
Ideas for
'works', 'The Principles of Mathematics' and 'Letters to Varignon'
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8 ideas
2. Reason / A. Nature of Reason / 2. Logos
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1575
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For Aristotle logos is essentially the ability to talk rationally about questions of value [Roochnik on Aristotle]
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2. Reason / A. Nature of Reason / 4. Aims of Reason
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1589
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Aristotle is the supreme optimist about the ability of logos to explain nature [Roochnik on Aristotle]
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2. Reason / D. Definition / 4. Real Definition
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8200
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Aristotelian definitions aim to give the essential properties of the thing defined [Aristotle, by Quine]
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2. Reason / D. Definition / 5. Genus and Differentia
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4385
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Aristotelian definition involves first stating the genus, then the differentia of the thing [Aristotle, by Urmson]
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2. Reason / D. Definition / 13. Against Definition
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14115
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Definition by analysis into constituents is useless, because it neglects the whole [Russell]
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14159
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In mathematics definitions are superfluous, as they name classes, and it all reduces to primitives [Russell]
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2. Reason / F. Fallacies / 2. Infinite Regress
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14148
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Infinite regresses have propositions made of propositions etc, with the key term reappearing [Russell]
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2. Reason / F. Fallacies / 8. Category Mistake / a. Category mistakes
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18002
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As well as a truth value, propositions have a range of significance for their variables [Russell]
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