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Questions about operations on objects of some kind that result in objects of the same kind.

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Given two NP-Complete languages A and B, show that the language: $L = A\bigoplus B =\{a\bigoplus b \mid a \in A, b \in B, |a|=|b|\}$ is not necessarily NP-Complete. Remember $a\bigoplus b$ when $| …
asked Mar 2 '18 by Anwar Saiah