Cupping and noncupping in the enumeration degrees of ∑20 sets

Author:

Cooper S.Barry,Sorbi Andrea,Yi Xiaoding

Publisher

Elsevier BV

Subject

Logic

Reference19 articles.

1. Some results on the structure of the ∑2 enumeration degrees;Ahmad;Recursive Function Theory Newsletter,1989

2. Embedding the diamond in the ∑2 enumeration degrees;Ahmad;J. Symbolic Logic,1991

3. Enumeration reducibility and partial degrees;Case;Ann. Math. Logic,1971

4. Partial degrees and the density problem. part 2: The enumeration degrees of the ∑2 sets are dense;Cooper;J. Symbolic Logic,1984

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1. S. Barry Cooper (1943–2015);Computability;2018-06-07

2. Enumeration 1-Genericity in the Local Enumeration Degrees;Notre Dame Journal of Formal Logic;2018-01-01

3. IN MEMORIAM: BARRY COOPER 1943–2015;The Bulletin of Symbolic Logic;2016-09

4. INITIAL SEGMENTS OF THE ENUMERATION DEGREES;The Journal of Symbolic Logic;2016-03

5. Complements for enumeration Π 1 0 -degrees;Siberian Mathematical Journal;2013-11

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