Semiproper forcing axiom implies Martin maximum but not |mathrmPFA+

Journal of Symbolic Logic 52 (2):360 - 367 (1987)
We prove that MM (Martin maximum) is equivalent (in ZFC) to the older axiom SPFA (semiproper forcing axiom). We also prove that SPFA does not imply SPFA + or even PFA + (using the consistency of a large cardinal)
Keywords No keywords specified (fix it)
Categories (categorize this paper)
 Save to my reading list
Follow the author(s)
My bibliography
Export citation
Find it on Scholar
Edit this record
Mark as duplicate
Revision history Request removal from index
Download options
PhilPapers Archive

Upload a copy of this paper     Check publisher's policy on self-archival     Papers currently archived: 9,351
External links
  •   Try with proxy.
  •   Try with proxy.
  • Through your library Configure
    References found in this work BETA

    No references found.

    Citations of this work BETA
    David Asperó (2007). Guessing and Non-Guessing of Canonical Functions. Annals of Pure and Applied Logic 146 (2):150-179.
    Similar books and articles

    Monthly downloads

    Added to index


    Total downloads

    2 ( #258,148 of 1,088,398 )

    Recent downloads (6 months)

    1 ( #69,601 of 1,088,398 )

    How can I increase my downloads?

    My notes
    Sign in to use this feature

    Start a new thread
    There  are no threads in this forum
    Nothing in this forum yet.