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Homework. Languages That are Recursively Enumerable but Not Recursive 1. Prove that the language Lu is not recursively enumerable, even though Lu is. 2. Prove

Homework. Languages That are Recursively Enumerable but Not Recursive 1. Prove that the language Lu is not recursively enumerable, even though Lu is. 2. Prove that the language Ld is recursively enumerable, even though Ld is not

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