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Successors of singulars, cofinalities of reduced products of cardinals and productivity of chain conditions

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Abstract

We continue here our investigation of cofinalities of reduced products of regular cardinals and give some applications, such as the non-productiveness ofλ +-c.c. whenλ>2cfλ;.

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Authors and Affiliations

  1. Institute of Mathematics, The Hebrew University of Jerusalem, Jerusalem, Israel

    Saharon Shelah

  2. Department of Mathematics, Rutgers University, New Brunswick, New Jersey, USA

    Saharon Shelah

  3. Institute for Advanced Study, Princeton, New Jersey, USA

    Saharon Shelah

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  1. Saharon Shelah
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Research partially supported by the United States-Israel Binational Science Foundation.

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Shelah, S. Successors of singulars, cofinalities of reduced products of cardinals and productivity of chain conditions. Israel J. Math. 62, 213–256 (1988). https://doi.org/10.1007/BF02787123

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  • DOI: https://doi.org/10.1007/BF02787123

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