The Kreisel conjecture is a conjecture in proof theory that postulates that, if ϕ(x) is a formula in the language of arithmetic for which there exists a nonnegative integer k such that, for every nonnegative integer n, Peano arithmetic proves ϕ(n) in at most k steps, then Peano arithmetic proves its universal closure, for all x ϕ(x). A special case of the conjecture was proven true by M. Baaz in 1988.
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Jonathan is doing really well in all of his classes this semester, 5 A’s & 2 B’s (he has a computer essentials class instead of PLC). In his Algebra class that Nathan is helping him with he has an A+.
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