Combining Texts

All the ideas for 'Isagoge ('Introduction')', 'fragments/reports' and 'The Ways of Paradox'

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9 ideas

4. Formal Logic / F. Set Theory ST / 5. Conceptions of Set / d. Naïve logical sets

21695

The set scheme discredited by paradoxes is actually the most natural one [Quine]

4. Formal Logic / F. Set Theory ST / 7. Natural Sets

21693

Russell's antinomy challenged the idea that any condition can produce a set [Quine]

5. Theory of Logic / L. Paradox / 3. Antinomies

21691

Antinomies contradict accepted ways of reasoning, and demand revisions [Quine]

5. Theory of Logic / L. Paradox / 4. Paradoxes in Logic / a. Achilles paradox

21690

Whenever the pursuer reaches the spot where the pursuer has been, the pursued has moved on [Quine]

5. Theory of Logic / L. Paradox / 5. Paradoxes in Set Theory / d. Russell's paradox

21689

A barber shaves only those who do not shave themselves. So does he shave himself? [Quine]

21694

Membership conditions which involve membership and non-membership are paradoxical [Quine]

5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / a. The Liar paradox

21692

If we write it as '"this sentence is false" is false', there is no paradox [Quine]

8. Modes of Existence / D. Universals / 1. Universals

15034

Are genera and species real or conceptual? bodies or incorporeal? in sensibles or separate from them? [Porphyry]

23. Ethics / A. Egoism / 2. Hedonism

5954	All inventions of the mind aim at pleasure, and those that don't are worthless [Metrodorus of Lamp., by Plutarch]