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A property of arithmetic sets. (English) Zbl 0251.02044


MSC:

03D55 Hierarchies of computability and definability
03E15 Descriptive set theory
Full Text: DOI

References:

[1] H. Hahn, Reelle Funktionen, Akademie Verlagsgesellschaft, Leipzig, 1932; reprint, Chelsea, New York, 1948. · JFM 58.0242.05
[2] Joseph Harrison, Recursive pseudo-well-orderings, Trans. Amer. Math. Soc. 131 (1968), 526 – 543. · Zbl 0186.01101
[3] S. C. Kleene, Arithmetical predicates and function quantifiers, Trans. Amer. Math. Soc. 79 (1955), 312 – 340. · Zbl 0066.25703
[4] A. R. D. Mathias, A survey of recent results in set theory, Proc. Sympos. Pure Math., vol. 13, part 2 (to appear). · Zbl 0417.03021
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