Of Another Characterization Of
نویسندگان
چکیده
Stepr¯ ans provided a characterization of βN \ N in the ℵ 2-Cohen model that is much in the spirit of Parovičenko's characterization of this space under CH. A variety of the topological results established in the Cohen model can be deduced directly from the properties of βN \ N or P(N)/fin that feature in Stepr¯ ans' result.
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