Cartesian product

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

In mathematics, specifically set theory, the Cartesian product of two sets A and B, denoted A × B, is the set of all ordered pairs (a, b) where a is an element of A and b is an element of B. In terms of set-builder notation, that is

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

Image: Quartl, CC BY-SA 3.0, via Wikimedia Commons.