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MODIFIED EXTENDER BASED FORCING
Published online by Cambridge University Press: 01 December 2016
Abstract
We analyze the modified extender based forcing from Assaf Sharon’s PhD thesis. We show there is a bad scale in the extension and therefore weak square fails. We also present two metatheorems which give a rough characterization of when a diagonal Prikry-type forcing forces the failure of weak square.
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- Copyright © The Association for Symbolic Logic 2016
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