论文信息 - Narrow boolean algebras

Narrow boolean algebras

On dit qu'une algebre booleenne est λ-etroite si chaque ensemble d'elements incomparables par paire a la cardinalite inferieure a λ. On demontre qu'il y a une algebre de Boole etroite de cardinalite K=cf(2 ω )

Saharon Shelah | Robert Bonnet

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