Question: Let S be a nonempty set and let d be the discrete metric defined in 11.4.2(f). Show that in the metric space (S, d), a

Let S be a nonempty set and let d be the discrete metric defined in 11.4.2(f). Show that in the metric space (S, d), a sequence (xn) in S converges to x if and only if there is a K ∈ N such that xn = x for all n > K.

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