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Results tagged with computer-science
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user 7861
For question borderline with, or having application to, computer science. Consider also posting http://cs.stackexchange.com/ or http://cstheory.stackexchange.com/ instead of here, if appropriate.
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Aren't "oracle machines" unsound concepts?
When using oracle tapes it is easier to build hierarchies of complexity. You can, by using, e.g. some $\Sigma_1$ set as an oracle tape enumerate $\Sigma_2$ sets. Or in other words, if you can enumerat …