On level by level equivalence and inequivalence between
strong compactness and supercompactness
Fundamenta Mathematicae, Tome 171 (2002) no. 1, pp. 77-92
Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences
We prove two theorems, one concerning level by level inequivalence between strong compactness and supercompactness, and one concerning level by level equivalence between strong compactness and supercompactness. We first show that in a universe containing a supercompact cardinal but of restricted size, it is possible to control precisely the difference between the degree of strong compactness and supercompactness that any measurable cardinal exhibits. We then show that in an unrestricted size universe containing many supercompact cardinals, it is possible to have significant failures of GCH along with level by level equivalence between strong compactness and supercompactness, except possibly at inaccessible levels.
Keywords:
prove theorems concerning level level inequivalence between strong compactness supercompactness concerning level level equivalence between strong compactness supercompactness first universe containing supercompact cardinal restricted size possible control precisely difference between degree strong compactness supercompactness measurable cardinal exhibits unrestricted size universe containing many supercompact cardinals possible have significant failures gch along level level equivalence between strong compactness supercompactness except possibly inaccessible levels
Affiliations des auteurs :
Arthur W. Apter 1
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author = {Arthur W. Apter},
title = {On level by level equivalence and inequivalence between
strong compactness and supercompactness},
journal = {Fundamenta Mathematicae},
pages = {77--92},
year = {2002},
volume = {171},
number = {1},
doi = {10.4064/fm171-1-5},
language = {en},
url = {http://geodesic.mathdoc.fr/articles/10.4064/fm171-1-5/}
}
TY - JOUR AU - Arthur W. Apter TI - On level by level equivalence and inequivalence between strong compactness and supercompactness JO - Fundamenta Mathematicae PY - 2002 SP - 77 EP - 92 VL - 171 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4064/fm171-1-5/ DO - 10.4064/fm171-1-5 LA - en ID - 10_4064_fm171_1_5 ER -
Arthur W. Apter. On level by level equivalence and inequivalence between strong compactness and supercompactness. Fundamenta Mathematicae, Tome 171 (2002) no. 1, pp. 77-92. doi: 10.4064/fm171-1-5
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