Abstract
The pcf theorem (of the possible cofinability theory) was proved for reduced products ∏i < I (< I -eub) as well as cardinalities of reduced products and the cardinalsT D (λ).Finally we apply this to the problem of the depth of ultraproducts (and reduced products) of Boolean algebras.
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CITATION STYLE
APA
Shelah, S. (2013). The PCF theorem revisited. In The Mathematics of Paul Erdos II, Second Edition (pp. 441–488). Springer New York. https://doi.org/10.1007/978-1-4614-7254-4_26
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