Combining Texts

All the ideas for 'The Problem of Empty Names', 'Spreading the Word' and 'Principles of Theoretical Logic'

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3 ideas

4. Formal Logic / C. Predicate Calculus PC / 1. Predicate Calculus PC

17750

The first clear proof of the consistency of the first order predicate logic was in 1928 [Hilbert/Ackermann, by Walicki]

5. Theory of Logic / F. Referring in Logic / 1. Naming / e. Empty names

18946

Unreflectively, we all assume there are nonexistents, and we can refer to them [Reimer]

10. Modality / A. Necessity / 11. Denial of Necessity

19284

Asserting a necessity just expresses our inability to imagine it is false [Blackburn]