The Compactness of 2ℝ and the Axiom of C
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Kyriakos Keremedis
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Article
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2000
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John Wiley and Sons
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English
⚖ 103 KB
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We show that for every well ordered cardinal number m the Tychonoff product 2 m is a compact space without the use of any choice but in Cohen's Second Model 2 R is not compact.