The Proper Forcing Axiom and the Singular Cardinal Hypothesis

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We show that the Proper Forcing Axiom implies the Singular Cardinal Hypothesis. The proof is by interpolation and uses the Mapping Reflection Principle.
10 pages

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Logic

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http://salesiana.dossiersoluciones.com/handle/123456789/124402

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0509633
 http://arxiv.org/abs/math/0509633
 The Journal of Symbolic Logic, Volume 71, Issue 2, year 2006, pp.: 473-479

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arXiv