The Tychonoff product theorem implies the axiom of choice
J. Kelley (1950)
Fundamenta Mathematicae
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J. Kelley (1950)
Fundamenta Mathematicae
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Nina M. Roy (1989)
Publicacions Matemàtiques
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In this expository paper it is shown that Martin's Axiom and the negation of the Continuum Hypothesis imply that the product of ccc spaces is a ccc space. The Continuum Hypothesis is then used to construct the Laver-Gavin example of two ccc spaces whose product is not a ccc space.
J. de Groot, H. Herrlich, G. E. Strecker, E. Wattel (1969)
Compositio Mathematica
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Alas, Ofelia T. (1969)
Portugaliae mathematica
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Kenneth Kunen, Franklin Tall (1979)
Fundamenta Mathematicae
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R. Engelking, M. Karłowicz (1965)
Fundamenta Mathematicae
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Alfred Tarski (1948)
Fundamenta Mathematicae
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Andrzej Mostowski (1949)
Fundamenta Mathematicae
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Marry Rudin (1971)
Fundamenta Mathematicae
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