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The jump operation for structure degrees

โœ Scribed by V. Baleva


Publisher
Springer
Year
2005
Tongue
English
Weight
218 KB
Volume
45
Category
Article
ISSN
0933-5846

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๐Ÿ“œ SIMILAR VOLUMES


Jump Theorems for REA Operators
โœ Alistair H. Lachlan; Xiaoding Yi ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 269 KB

## Abstract In [2], Jockusch and Shore have introduced a new hierarchy of sets and operators called the REA hierarchy. In this note we prove analogues of the Friedberg Jump Theorem and the Sacks Jump Theorem for many REA operators. MSC: 03D25, 03D55.