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Jump Theorems for REA Operators

 

作者: Alistair H. Lachlan,   Xiaoding Yi,  

 

期刊: Mathematical Logic Quarterly  （WILEY Available online 1993）
卷期: Volume 39, issue 1  

页码: 1-6

 

ISSN:0942-5616

 

年代: 1993

 

DOI:10.1002/malq.19930390103

 

出版商: WILEY‐VCH Verlag Berlin GmbH

 

关键词: Jump theorem;REA operator;REA hierarchy

 

数据来源: WILEY

 

摘要:

AbstractIn [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.

 

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