"Properly Sigma₂ minimal degrees and 0'' complementation."

S. Barry Cooper, Andrew E. M. Lewis, Yue Yang (2005)

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DOI: 10.1002/MALQ.200410027

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type: Journal Article

metadata version: 2023-05-27

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S. Barry Cooper, Andrew E. M. Lewis, Yue Yang:
Properly Sigma₂ minimal degrees and 0'' complementation. Math. Log. Q. 51(3): 274-276 (2005)

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