Form equivalence class Howard-Rubin Number: 30

Statement:

Weak Hausdorff Lemma: For every set \(X\), every \(\subseteq\)-chain in \(\cal P(X)\) is contained in a maximal \(\subseteq\)-chain.

Howard-Rubin number: 30 G

Citations (articles):

Connections (notes): Note [130]

In this note we prove that form [30 G] (Every \(\subseteq\)-chain in \(\cal P(X)\) is contained in a maximal \(\subseteq\)-chain) is equivalent to Form 30


References (books):

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