There's No Forcing a Least Upper Bound

DOI10.2307/2047065zbMath0677.03036OpenAlexW4233188970MaRDI QIDQ3832561

Robert S. Lubarsky

Publication date: 1989

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2047065

zbMATH Keywords

degrees of constructibilityquasiorder of M- constructibilitysequence of M-degrees

Mathematics Subject Classification ID

Inner models, including constructibility, ordinal definability, and core models (03E45) Other aspects of forcing and Boolean-valued models (03E40)

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