Combining Texts

All the ideas for 'Necessary Truth', 'talk' and 'New Foundations for Mathematical Logic'

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

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3 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets

9879	NF has no models, but just blocks the comprehension axiom, to avoid contradictions [Quine, by Dummett]

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

4577	There is no necessity higher than natural necessity, and that is just regularity [Quine]

14. Science / C. Induction / 5. Paradoxes of Induction / a. Grue problem

7296	'Grue' is not a colour [Milsted]