Combining Texts

All the ideas for 'Symbolic Reasoning', 'Identity and Spatio-Temporal Continuity' and 'On 'Insolubilia' and their solution'

expand these ideas     |    start again     |     specify just one area for these texts

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5 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

21548

The null class is the class with all the non-existents as its members [MacColl, by Lackey]

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 / A. Existence of Objects / 5. Individuation / e. Individuation by kind

13128

'Ultimate sortals' cannot explain ontological categories [Westerhoff on Wiggins]