Let a E A and f: A→A be a function such that a ran (f). Suppose that h: w → A satisfies (a) h (0) = a (b) h (n+) = f (h (n)), for all n €w. Assume that h is one-to-one and onto A. Prove that f is one-to-one.

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Let a € A and f: A → A be a function such that a ran (ƒ). Suppose that h: w → A satisfies
(a) h (0) = a
(b) h (n+) = f (h (n)), for all n €w.
Assume that h is one-to-one and onto A. Prove that f is one-to-one.
Transcribed Image Text:Let a € A and f: A → A be a function such that a ran (ƒ). Suppose that h: w → A satisfies (a) h (0) = a (b) h (n+) = f (h (n)), for all n €w. Assume that h is one-to-one and onto A. Prove that f is one-to-one.
Definition
The set consisting of the natural numbers is denoted by w.
Transcribed Image Text:Definition The set consisting of the natural numbers is denoted by w.
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