Geodesic
A dichotomy for P-ideals of countable sets
Fundamenta Mathematicae, Tome 166 (2000) no. 3, pp. 251-267 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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A dichotomy concerning ideals of countable subsets of some set is introduced and proved compatible with the Continuum Hypothesis. The dichotomy has influence not only on the Suslin Hypothesis or the structure of Hausdorff gaps in the quotient algebra $P(\mathbb{N})$/ but also on some higher order statements like for example the existence of Jensen square sequences.
DOI : 10.4064/fm-166-3-251-267

Stevo Todorčević 1

1 
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Stevo Todorčević. A dichotomy for P-ideals of countable sets. Fundamenta Mathematicae, Tome 166 (2000) no. 3, pp. 251-267. doi: 10.4064/fm-166-3-251-267

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