Combining Texts

Ideas for '', 'teaching' and 'New Foundations for Mathematical Logic'

expand these ideas     |    start again     |     choose another area for these texts

display all the ideas for this combination of texts

---

1 idea

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]