Preserving Dependent Choice

Asaf Karagila

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    Abstract

    We prove some general theorems for preserving Dependent Choice when taking symmetric extensions, some of which are unwritten folklore results. We apply these to various constructions to obtain various simple consistency proofs.
    Original languageEnglish
    Article number19-29
    JournalBulletin of the Polish Academy of Sciences Mathematics
    Volume67
    Early online date1 Feb 2019
    DOIs
    Publication statusPublished - 2019

    Keywords

    • symmetric extensions
    • dependent choice
    • the axiom of choice

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