✦ LIBER ✦

A hierarchy of sets. I

✍ Scribed by Yu. L. Ershov

Publisher: Springer US
Year: 1968
Tongue: English
Weight: 789 KB
Volume: 7
Category: Article
ISSN: 0002-5232
DOI: 10.1007/bf02218750

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

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Barua (1992) studied a hierarchy &?,, (n = 1,2,3,. . .), where %?n is a class of w-regular sets which are decomposed into n rational Ga sets forming a decreasing sequence. On the other hand, Kaminski (1985) defined a hierarchy B, (m = 1,2,3,. .), where B, is a class of w-regular sets which are decom

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has proposed a new axiomatic set theory, see [5], [4], and [3]. The nonlogical axioms of this theory are as follows: A2. Existence of a greatest lower set (gls A(%)):