Combining Texts
Ideas for
'Parmenides', 'Change in View: Principles of Reasoning' and 'Elements of Geometry'
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9 ideas
2. Reason / A. Nature of Reason / 1. On Reason
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19304
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The rules of reasoning are not the rules of logic [Harman]
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19306
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It is a principle of reasoning not to clutter your mind with trivialities [Harman]
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19307
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If there is a great cost to avoiding inconsistency, we learn to reason our way around it [Harman]
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19309
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Logic has little relevance to reasoning, except when logical conclusions are immediate [Harman]
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224
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When questions are doubtful we should concentrate not on objects but on ideas of the intellect [Plato]
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2. Reason / A. Nature of Reason / 4. Aims of Reason
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19303
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Implication just accumulates conclusions, but inference may also revise our views [Harman]
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2. Reason / B. Laws of Thought / 5. Opposites
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232
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Opposites are as unlike as possible [Plato]
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2. Reason / C. Styles of Reason / 1. Dialectic
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8937
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Plato's 'Parmenides' is the greatest artistic achievement of the ancient dialectic [Hegel on Plato]
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2. Reason / E. Argument / 6. Conclusive Proof
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8623
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Proof reveals the interdependence of truths, as well as showing their certainty [Euclid, by Frege]
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