Combining Texts

Ideas for 'Unconscious Cerebral Initiative', 'New Foundations for Mathematical Logic' and 'My Philosophical Development'

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2 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]

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

6436	I gradually replaced classes with properties, and they ended as a symbolic convenience [Russell]