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In computability and complexity, finding mappings between problems that allow solving one problem using a solution of another one. For reduction in programming language theory (e.g. beta-reduction), see [lambda-calculus] or [term-rewriting].
2
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Accepted
Help in proving L-Completeness
Can't make a comment so have to use an answer. It's a well-known fact that every non-trivial language in $L$ is complete under log-space reduction because the reduction could be used to decide the lan …
0
votes
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} …