"Cupping and Noncupping in the Enumeration Degrees of ..."

S. Barry Cooper, Andrea Sorbi, Xiaoding Yi (1996)

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DOI: 10.1016/S0168-0072(96)00009-7

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type: Journal Article

metadata version: 2020-02-21

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S. Barry Cooper, Andrea Sorbi, Xiaoding Yi:
Cupping and Noncupping in the Enumeration Degrees of Sigma₂⁰ Sets. Ann. Pure Appl. Log. 82(3): 317-342 (1996)

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