Inclusion–exclusion principle

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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 combinatorics, the inclusion–exclusion principle (commonly referred to as PIE) is a counting technique which generalizes the familiar method of obtaining the number of elements in the union of two finite sets; symbolically expressed as

Excerpt from the Wikipedia article “Inclusion–exclusion principle”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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