Combining Philosophers
Ideas for Empedocles, PG and Michle Friend
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7 ideas
2. Reason / D. Definition / 8. Impredicative Definition
8721
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An 'impredicative' definition seems circular, because it uses the term being defined [Friend]
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2. Reason / D. Definition / 10. Stipulative Definition
8680
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Classical definitions attempt to refer, but intuitionist/constructivist definitions actually create objects [Friend]
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2. Reason / E. Argument / 5. Reductio ad Absurdum
3678
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Reductio ad absurdum proves an idea by showing that its denial produces contradiction [Friend]
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2. Reason / F. Fallacies / 1. Fallacy
4686
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Fallacies are errors in reasoning, 'formal' if a clear rule is breached, and 'informal' if more general [PG]
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2. Reason / F. Fallacies / 3. Question Begging
7415
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Question-begging assumes the proposition which is being challenged [PG]
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2. Reason / F. Fallacies / 6. Fallacy of Division
7414
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What is true of a set is also true of its members [PG]
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2. Reason / F. Fallacies / 7. Ad Hominem
6696
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The Ad Hominem Fallacy criticises the speaker rather than the argument [PG]
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