Abstract
We prove that if $\mu^+\rightarrow[\mu^+]^2_{\mu^+}$ holds for a singular cardinal $\mu$, then any collection of fewer than $cf(\mu)$ stationary subsets of $\mu^+$ must reflect simultaneously.
Citation
Todd Eisworth. "Simultaneous reflection and impossible ideals." J. Symbolic Logic 77 (4) 1325 - 1338, December 2012. https://doi.org/10.2178/jsl.7704160
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