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Splitting stationary sets in ![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20151019072417816-0161:S0022481200000918_inline01.gif?pub-status=live)
Published online by Cambridge University Press: 12 March 2014
Abstract
Let A be a non-empty set. A set is said to be stationary in
if for every f: [A]<ω → A there exists x ϵ S such that x ≠ A and f“[x]<ω ⊆ x. In this paper we prove the following: For an uncountable cardinal λ and a stationary set S in
, if there is a regular uncountable cardinal κ ≤ λ such that {x ϵ S: x ∩ κ ϵ κ} is stationary, then S can be split into κ disjoint stationary subsets.
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- Research Article
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- Copyright © Association for Symbolic Logic 2012
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