Combining Texts

All the ideas for 'Necessary Existents', 'Ontology and the Vicious Circle Principle' and 'On the Reduction of Necessity to Essence'

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

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4 ideas

4. Formal Logic / F. Set Theory ST / 8. Critique of Set Theory

18151

Could we replace sets by the open sentences that define them? [Chihara, by Bostock]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

16974

The nature of each logical concept is given by a collection of inference rules [Correia]

10. Modality / A. Necessity / 6. Logical Necessity

16973

Explain logical necessity by logical consequence, or the other way around? [Correia]

19. Language / D. Propositions / 3. Concrete Propositions

19216

Propositions (such as 'that dog is barking') only exist if their items exist [Williamson]