Iverson bracket

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Notion

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Science and technology

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What Wikipedia says

In mathematics, the Iverson bracket, named after Kenneth E. Iverson, is a notation that generalises the Kronecker delta, which is the Iverson bracket of the statement x = y. It maps any statement to a function of the free variables in that statement.

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