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On Splitting an Infinite Recursively Enumerable Class

Published online by Cambridge University Press:  20 November 2018

J. B. Florence*
Affiliation:
The University of Western Ontario, London, Ontario
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By an RE (recursively enumerable) sequence we mean a sequence V(0), V(1), … of uniformly RE sets, denotes the class of all RE sets. If is an RE class if either for some RE sequence V(0), V(1) , … .

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1975

References

1. Florence, J. B., Infinite subclasses of recursively enumerable classes, Proc. Amer. Math. Soc. 18 (1967), 633639.Google Scholar
2. Boykan Pour-El, Marian and Putnam, Hilary, Recursively enumerable classes and their application to recursive sequences of formal theories, Arch. Math. Logik Grundlagenforsch. 8 (1965), 104121.Google Scholar
3. Young, Paul R., A theorem on recursively enumerable classes and splinters, Proc. Amer. Math. Soc. 17 (1966), 10501056.Google Scholar