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Where MA first fails
Published online by Cambridge University Press: 12 March 2014
Abstract
If θ is any singular cardinal of cofinality ω 1, we produce a forcing extension in which MA holds below θ but fails at θ. The failure is due to a partial order which splits a gap of size θ in .
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- Research Article
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- Copyright © Association for Symbolic Logic 1988
Footnotes
Research supported by NSF grant DMS-8501521.
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