The cardinals below |[ω1]<ω1|

Annals of Pure and Applied Logic 140 (1-3):161-232 (2006)
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Abstract

The results of this paper concern the effective cardinal structure of the subsets of [ω1]<ω1, the set of all countable subsets of ω1. The main results include dichotomy theorems and theorems which show that the effective cardinal structure is complicated.

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10.1016/j.apal.2005.09.014

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W. Hugh Woodin
Harvard University

Citations of this work

Ordinal definability and combinatorics of equivalence relations.William Chan - 2019 - Journal of Mathematical Logic 19 (2):1950009.

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References found in this work

Selective ultrafilters and homogeneity.Andreas Blass - 1988 - Annals of Pure and Applied Logic 38 (3):215-255.

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