Ultrafilter

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

In collections

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What Wikipedia says

In the mathematical field of order theory, an ultrafilter on a given partially ordered set (or "poset")

Excerpt from the Wikipedia article “Ultrafilter”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Jochen Burghardt, CC BY-SA 4.0, via Wikimedia Commons.