Combining Texts
Ideas for
'The Fixation of Belief', 'The Passions of the Soul' and 'The Principles of Mathematics'
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5 ideas
2. Reason / A. Nature of Reason / 4. Aims of Reason
6937
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Reason aims to discover the unknown by thinking about the known [Peirce]
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2. Reason / D. Definition / 13. Against Definition
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Definition by analysis into constituents is useless, because it neglects the whole [Russell]
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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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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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As well as a truth value, propositions have a range of significance for their variables [Russell]
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