Combining Texts

All the ideas for '67: Platonic Questions', 'On 'Insolubilia' and their solution' and 'Explanation in Mathematics'

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5 ideas

4. Formal Logic / F. Set Theory ST / 5. Conceptions of Set / c. Logical sets

21563

The 'no classes' theory says the propositions just refer to the members [Russell]

5. Theory of Logic / L. Paradox / 4. Paradoxes in Logic / d. Richard's paradox

21565

Richard's puzzle uses the notion of 'definition' - but that cannot be defined [Russell]

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

21564

Vicious Circle: what involves ALL must not be one of those ALL [Russell]

9. Objects / D. Essence of Objects / 7. Essence and Necessity / b. Essence not necessities

13166

Essences are no use in mathematics, if all mathematical truths are necessary [Mancosu]

15. Nature of Minds / A. Nature of Mind / 2. Psuche

5960	When the soul is intelligent and harmonious, it is part of god and derives from god [Plutarch]