Creature forcing and five cardinal characteristics in Cichoń's diagram
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Publication:2408084
DOI10.1007/S00153-017-0553-8zbMATH Open1404.03040DBLPjournals/aml/FischerGKS17arXiv1402.0367OpenAlexW3104790535WikidataQ59607540 ScholiaQ59607540MaRDI QIDQ2408084
Author name not available (Why is that?)
Publication date: 9 October 2017
Published in: (Search for Journal in Brave)
Abstract: We use a (countable support) creature construction to show that consistently [ mathfrak d=aleph_1= ext{cov}( ext{NULL}) < ext{non}( ext{MEAGER}) < ext{non}( ext{NULL}) < ext{cof}( ext{NULL}) < 2^{aleph_0}. ] The same method shows the consistency of [ mathfrak d=aleph_1= ext{cov}( ext{NULL}) < ext{non}( ext{NULL}) < ext{non}( ext{MEAGER}) < ext{cof}( ext{NULL}) < 2^{aleph_0}. ]
Full work available at URL: https://arxiv.org/abs/1402.0367
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