Problem 4. Prove that a language A C {0, 1}* is c.e. if and only if there is a computable partial function f :C {0, 1}* → {0, 1}* such that dom f = A.

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Problem 4. Prove that a language A C {0,1}* is c.e. if and only if there is a computable
partial function f :C {0, 1}* → {0,1}* such that dom f = A.
Transcribed Image Text:Problem 4. Prove that a language A C {0,1}* is c.e. if and only if there is a computable partial function f :C {0, 1}* → {0,1}* such that dom f = A.
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