Coanalytic ultrafilter bases

DOI10.1007/s00153-021-00801-7OpenAlexW3210268040MaRDI QIDQ2144622

Jonathan Schilhan

Publication date: 14 June 2022

Published in: Archive for Mathematical Logic (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1912.09138

zbMATH Keywords

definabilityultrafiltercoanalyticprojectivefilter basecardinal invariant

Mathematics Subject Classification ID

Mathematical logic and foundations (03-XX)

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TREE FORCING AND DEFINABLE MAXIMAL INDEPENDENT SETS IN HYPERGRAPHS ⋮ Projective well orders and coanalytic witnesses

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