Embedding Cohen algebras using pcf theory
Saharon Shelah
math.LOarXiv:math/9508201
Abstract
Using a theorem from pcf theory, we show that for any singular cardinal nu, the product of the Cohen forcing notions on kappa, kappa < nu adds a generic for the Cohen forcing notion on nu+. This solves Problem 5.1 in Miller's list (attributed to Rene David and Sy Friedman).
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