Spaces of urelements, II
Norbert Brunner (1987)
Rendiconti del Seminario Matematico della Università di Padova
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Displaying similar documents to “Spaces of urelements”
Spaces of urelements, II
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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.
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