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Results tagged with semi-decidability
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user 143771
Questions about which problems are semi-decidable, also known as computably enumerable, Turing recognizable or recursively enumerable.
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Is a language semi-decidable iff it is reducible to ATM?
The proof contains two main statements:
prove that $RE$ (the set of all semi-decidable languages) is closed under $\le_{m}$ reduction (many-one reduction). It means that if we have a reduction $L_{1} …
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