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Scales with various kinds of good points
Author(s) -
Matet Pierre
Publication year - 2018
Publication title -
mathematical logic quarterly
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.473
H-Index - 28
eISSN - 1521-3870
pISSN - 0942-5616
DOI - 10.1002/malq.201600047
Subject(s) - mathematics , construct (python library) , square (algebra) , yield (engineering) , scale (ratio) , statistics , computer science , geometry , geography , cartography , physics , thermodynamics , programming language
We study variants of (more or less) known square‐like principles obtained by replacing equality with covering. We show that these weaker principles are still strong enough to yield scales with many good (or even better) points. Such scales can be used to construct large pseudo‐Kurepa families.