Combining Philosophers

Ideas for PG, Michle Friend and Keith Hossack

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7 ideas

2. Reason / D. Definition / 8. Impredicative Definition

8721	An 'impredicative' definition seems circular, because it uses the term being defined [Friend]

2. Reason / D. Definition / 10. Stipulative Definition

8680	Classical definitions attempt to refer, but intuitionist/constructivist definitions actually create objects [Friend]

2. Reason / E. Argument / 5. Reductio ad Absurdum

3678	Reductio ad absurdum proves an idea by showing that its denial produces contradiction [Friend]

2. Reason / F. Fallacies / 1. Fallacy

4686	Fallacies are errors in reasoning, 'formal' if a clear rule is breached, and 'informal' if more general [PG]

2. Reason / F. Fallacies / 3. Question Begging

7415	Question-begging assumes the proposition which is being challenged [PG]

2. Reason / F. Fallacies / 6. Fallacy of Division

7414	What is true of a set is also true of its members [PG]

2. Reason / F. Fallacies / 7. Ad Hominem

6696	The Ad Hominem Fallacy criticises the speaker rather than the argument [PG]