Category:Intersection of Set whose Every Element is Closed under Chain Unions is also Closed under Chain Unions

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This category contains pages concerning Intersection of Set whose Every Element is Closed under Chain Unions is also Closed under Chain Unions:


Let $S$ be a set of sets.

Let $S$ be such that:

$\forall x \in S: x$ is closed under chain unions.


Then the intersection $\ds \bigcap S$ of $S$ is also closed under chain unions.

Pages in category "Intersection of Set whose Every Element is Closed under Chain Unions is also Closed under Chain Unions"

The following 2 pages are in this category, out of 2 total.