On a property of families of sets
On a property of families of sets
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在集合家族的财产上
DOI:
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发表时间:
1964
期刊:
影响因子:
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通讯作者:
A. Hajnal
中科院分区:
文献类型:
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作者:
P. Erdős;A. Hajnal
1. Introduction. In this paper we are going to generalize a problem solved by MILLER in his paper [l] and prove several results concerning this new problem and some related questions. We mention here that some of our theorems (Theorems 8 and 10) have the interesting consequence that the topological product of Ks l-compact spaces (Lindelof spaces) is not necessarily