Question: Prove that a language A is decidable if and only if it is finite or there is a computable function f : N {0,1)' such

Prove that a language A is decidable if and only if

Prove that a language A is decidable if and only if it is finite or there is a computable function f : N {0,1)' such that range(f) = A and each f(n) comes strictly before f(n + 1) in the standard enumeration of 10, 1*

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