Counterexamples in minimally generated Boolean algebras
Sabine Koppelberg (1988)
Acta Universitatis Carolinae. Mathematica et Physica
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Sabine Koppelberg (1988)
Acta Universitatis Carolinae. Mathematica et Physica
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James Baumgartner (1973)
Fundamenta Mathematicae
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R. Bonnet (1976)
Annales scientifiques de l'Université de Clermont. Mathématiques
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J. Baumgartner, A. Hajnal (1973)
Fundamenta Mathematicae
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Bohuslav Balcar, Tomáš Pazák, Egbert Thümmel (2015)
Fundamenta Mathematicae
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The Todorcevic ordering 𝕋(X) consists of all finite families of convergent sequences in a given topological space X. Such an ordering was defined for the special case of the real line by S. Todorcevic (1991) as an example of a Borel ordering satisfying ccc that is not σ-finite cc and even need not have the Knaster property. We are interested in properties of 𝕋(X) where the space X is taken as a parameter. Conditions on X are given which ensure the countable chain condition and its...
Juris Steprans, Stephen Watson (1988)
Fundamenta Mathematicae
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George Day (1970)
Fundamenta Mathematicae
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Alami, M., Zhani, D. (2004)
International Journal of Mathematics and Mathematical Sciences
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Stephen Watson, Zhou Hao-Xuan (1990)
Fundamenta Mathematicae
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