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Omni-MATH / Let N=1,2,3,… be the set of all positive integers, and let f be a bijection from N to N. Must there exist some positive integer n such that (f(1),f(2),…,f(n)) is a permutation of… · Discussion

Discussing Let N={1,2,3,…} be the set of all positive integers, and let f be a bijection from N to N. Must there exist some positive integer n such that (f(1),f(2),…,f(n)) is a permutation of… · Omni-MATH

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