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The Magidor function and diamond
Published online by Cambridge University Press: 12 March 2014
Abstract
Let κ be a regular uncountable cardinal and λ be a cardinal greater than κ. We show that if 2<κ ≤ M(κ, λ), then ◇κ,λ holds, where M(κ, λ) equals λℵ0 if cf(λ) ≥ κ, and (λ+)ℵ0 otherwise.
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- Research Article
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- Copyright © Association for Symbolic Logic 2011
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