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Results tagged with set-theory
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user 1701
forcing, large cardinals, descriptive set theory, infinite combinatorics, cardinal characteristics, forcing axioms, ultrapowers, measures, reflection, pcf theory, models of set theory, axioms of set theory, independence, axiom of choice, continuum hypothesis, determinacy, Borel equivalence relations, Boolean-valued models, embeddings, orders, relations, transfinite recursion, set theory as a foundation of mathematics, the philosophy of set theory.
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vote
What is induction up to $\varepsilon_0$?
Maybe it's spelled out in a more convenient way in Wikipedia here
(about Goodstein sequences), or in the page about Gentzen's consistency proof of Peano's arithmetic.
Hope this helps.
- 11