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If I am not mistake, $C(\{1,...,n\})$ denotes all of the continuous functions from $\{1,...,n\}$ to $\Bbb{C}$. I read somewhere that every automorphism on $C(\{1,...,n\})$ is a composition with a homeomorphism on $\{1,...,n\}$. My question is, a composition with a homeomorphism and what else? Als...