4 25 Prove Formally L3 Complement L3 Previous Problem Turing Recognizable Q37203716

4. (25) Prove formally that L3, the complement of L3 in the previous problem, is not Turing-recognizable. Show transcribed image text 4. (25) Prove formally that L3, the complement of L3 in the previous problem, is not Turing-recognizable.

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