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Theory of Computational Complexity, 2nd Edition by Ker-I Ko, Ding-Zhu Du

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Corollary 9.27

Proof

9.4 c09-math-1067 and the Polynomial-Time Hierarchy

In this section, we prove that c09-math-1068. From Theorem 9.26, we only need to show that c09-math-1069. The main idea is that the number of accepting computations of an NTM can be amplified without changing its parity. Recall that c09-math-1070 denotes the ...

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