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The cofinality of the infinite symmetric group and groupwise density
Published online by Cambridge University Press: 12 March 2014
Abstract
We show that g ≤ c(Sym(ω)) where g is the groupwise density number and c(Sym(ω)) is the cofinality of the infinite symmetric group. This solves (the second half of) a problem addressed by Thomas.
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- Research Article
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- Copyright © Association for Symbolic Logic 2003
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