Repositorio UMSNH

Listar por tema "Ultraproductos"

Listar por tema "Ultraproductos"

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  • Carballo Domínguez, Edgar (Universidad Michoacana de San Nicolás de Hidalgo. Universidad Nacional Autónoma de México, 2011-02)
    Measurable cardinals are objects in mathematics whose existence is undecidable, which make more interesting, since there is theory under each assumption: they exist or do not exist. In this work we will mix these cardinal ...
  • Lara Sarmiento, Roberto (Universidad Michoacana de San Nicolás de Hidalgo, 2015-01)
    In this document it is introduced the set of `possible cofinalities' (denoted as pcf), studied for the first time in 1978 by Shelah, it consists of the cofinalities of all ultraproducts of a set of regular cardinals. Several ...