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Closed products of sets and the axiom of choice.
- Source :
-
Acta Mathematica Hungarica . Oct2011, Vol. 133 Issue 1/2, p128-132. 5p. - Publication Year :
- 2011
-
Abstract
- With a slight modification of a previous argument due to Schechter, we show that the Axiom of Choice is equivalent to the following topological statement: 'If a product of a non-empty family of sets is closed in a topological (Tychonoff) product, then at least one of the factors is closed'. We also discuss the case on which one adds the hypothesis that the closed product of sets is a non-empty set. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02365294
- Volume :
- 133
- Issue :
- 1/2
- Database :
- Academic Search Index
- Journal :
- Acta Mathematica Hungarica
- Publication Type :
- Academic Journal
- Accession number :
- 65138160
- Full Text :
- https://doi.org/10.1007/s10474-010-0061-3