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Prime numbers, diophantine equations, diophantine approximations, analytic or algebraic number theory, arithmetic geometry, Galois theory, transcendental number theory, continued fractions

4 votes

Is any true sentence in the second-order Peano Axioms provable

Between them, the previous comments and replies have already covered all of the relevant points, but here in any case is a direct, unsophisticated answer: Any effective procedure (i.e. anything you c …
Neil Fitzgerald's user avatar