Supercompactness and partial level by level equivalence between strong compactness and strongness

Arthur W. Apter

Fundamenta Mathematicae (2004)

  • Volume: 182, Issue: 2, page 123-136
  • ISSN: 0016-2736

Abstract

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We force and construct a model containing supercompact cardinals in which, for any measurable cardinal δ and any ordinal α below the least beth fixed point above δ, if δ + α is regular, δ is δ + α strongly compact iff δ is δ + α + 1 strong, except possibly if δ is a limit of cardinals γ which are δ + α strongly compact. The choice of the least beth fixed point above δ as our bound on α is arbitrary, and other bounds are possible.

How to cite

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Arthur W. Apter. "Supercompactness and partial level by level equivalence between strong compactness and strongness." Fundamenta Mathematicae 182.2 (2004): 123-136. <http://eudml.org/doc/283015>.

@article{ArthurW2004,
abstract = {We force and construct a model containing supercompact cardinals in which, for any measurable cardinal δ and any ordinal α below the least beth fixed point above δ, if $δ^\{+α\}$ is regular, δ is $δ^\{+α\}$ strongly compact iff δ is δ + α + 1 strong, except possibly if δ is a limit of cardinals γ which are $δ^\{+α\}$ strongly compact. The choice of the least beth fixed point above δ as our bound on α is arbitrary, and other bounds are possible.},
author = {Arthur W. Apter},
journal = {Fundamenta Mathematicae},
keywords = {supercompact cardinal; strongly compact cardinal; strong cardinal; measurable cardinal; non-reflecting stationary set of ordinals; level by level equivalence between strong compactness and supercompactness; level by level equivalence between strong compactness and strongness},
language = {eng},
number = {2},
pages = {123-136},
title = {Supercompactness and partial level by level equivalence between strong compactness and strongness},
url = {http://eudml.org/doc/283015},
volume = {182},
year = {2004},
}

TY - JOUR
AU - Arthur W. Apter
TI - Supercompactness and partial level by level equivalence between strong compactness and strongness
JO - Fundamenta Mathematicae
PY - 2004
VL - 182
IS - 2
SP - 123
EP - 136
AB - We force and construct a model containing supercompact cardinals in which, for any measurable cardinal δ and any ordinal α below the least beth fixed point above δ, if $δ^{+α}$ is regular, δ is $δ^{+α}$ strongly compact iff δ is δ + α + 1 strong, except possibly if δ is a limit of cardinals γ which are $δ^{+α}$ strongly compact. The choice of the least beth fixed point above δ as our bound on α is arbitrary, and other bounds are possible.
LA - eng
KW - supercompact cardinal; strongly compact cardinal; strong cardinal; measurable cardinal; non-reflecting stationary set of ordinals; level by level equivalence between strong compactness and supercompactness; level by level equivalence between strong compactness and strongness
UR - http://eudml.org/doc/283015
ER -

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