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New Foundations is the axiomatic set theory in Quine's 1937 article "New Foundations for Mathematical Logic"; it simplifies the theory of types of Principia Mathematica.

7 votes

Set theory and alternative foundations

I believe the lambda calculus was originally intended as a foundation for mathematics. More recently it seems that both category theory and type theory seem to be gaining support. Although, I think ty …
Anthony de Almeida Lopes's user avatar