Combining Texts

Ideas for 'Parmenides', 'Does Moral Subjectivism Rest on a Mistake?' and 'Introducing the Philosophy of Mathematics'

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6 ideas

2. Reason / A. Nature of Reason / 1. On Reason

224	When questions are doubtful we should concentrate not on objects but on ideas of the intellect [Plato]

2. Reason / B. Laws of Thought / 5. Opposites

232	Opposites are as unlike as possible [Plato]

2. Reason / C. Styles of Reason / 1. Dialectic

8937	Plato's 'Parmenides' is the greatest artistic achievement of the ancient dialectic [Hegel on Plato]

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]