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Ideas for
'On the Question of Absolute Undecidability', 'works' and 'Lectures 1930-32 (student notes)'
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7 ideas
2. Reason / A. Nature of Reason / 1. On Reason
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16897
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Reason is the faculty for grasping apriori necessary truths [Leibniz, by Burge]
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2. Reason / A. Nature of Reason / 4. Aims of Reason
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3346
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For Leibniz rationality is based on non-contradiction and the principle of sufficient reason [Leibniz, by Benardete,JA]
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2. Reason / B. Laws of Thought / 2. Sufficient Reason
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3347
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Leibniz said the principle of sufficient reason is synthetic a priori, since its denial is not illogical [Leibniz, by Benardete,JA]
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2. Reason / E. Argument / 6. Conclusive Proof
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8627
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Leibniz is inclined to regard all truths as provable [Leibniz, by Frege]
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2. Reason / F. Fallacies / 8. Category Mistake / a. Category mistakes
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18706
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Words of the same kind can be substituted in a proposition without producing nonsense [Wittgenstein]
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2. Reason / F. Fallacies / 8. Category Mistake / b. Category mistake as syntactic
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18735
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Talking nonsense is not following the rules [Wittgenstein]
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18719
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Grammar says that saying 'sound is red' is not false, but nonsense [Wittgenstein]
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