A hierarchy of formulas in set theory
A hierarchy of formulas in set theory
复制标题
集合论中的公式层次
DOI：
10.1090/memo/0057
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发表时间：
1965
影响因子：
1.9
通讯作者：
A. Levy
中科院分区：
文献类型：
--
作者：
A. Levy
这项研究得到了美国国家科学基金会 G-6693 和 G-14006 拨款以及美国空军 AF-EOAR 63-70 拨款（由欧洲办公室、航空航天研究办公室监督）的部分支持。作者衷心感谢 JW Addison 教授的有益评论。作者非常感谢审稿人的评论，使本文有了很大的改进。作者还要感谢 Shlomo Vinner 先生阅读校样。这里提出的一些结果已在[14]和[17]中公布。
This research was supported in part by the National Science Foundation of the United States under Grants G-6693 and G-14006, and by the US Air Force under Grant No. AF-EOAR 63-70 (monitored by the European Office, Office of Aerospace Research). The author wishes to thank Professor JW Addison for helpful remarks. The author is deeply indebted to the referee for his remarks which resulted in a considerable improvement of this work. The author also wishes to thank Mr. Shlomo Vinner for reading of the proofs. Some of the results presented here were announced in [14] and [17].