Definability degrees
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Sy D. Friedman
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Article
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2005
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John Wiley and Sons
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English
⚖ 60 KB
## Abstract We establish the equiconsistency of a simple statement in definability theory with the failure of the GCH at all infinite cardinals. The latter was shown by Foreman and Woodin ([2]) to be consistent, relative to the existence of large cardinals. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA,