A note on spread-cardinals

Dirk Van Dalen

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Displaying similar documents to “A note on spread-cardinals”

On club-like principles on regular cardinals above $ℶ_{ω}$

Mirna Džamonja (2001)

Acta Universitatis Carolinae. Mathematica et Physica

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σ-Entangled linear orders and narrowness of products of Boolean algebras

Saharon Shelah (1997)

Fundamenta Mathematicae

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We investigate σ-entangled linear orders and narrowness of Boolean algebras. We show existence of σ-entangled linear orders in many cardinals, and we build Boolean algebras with neither large chains nor large pies. We study the behavior of these notions in ultraproducts.