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Iverson bracket

From Wiktionary, the free dictionary

English

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Etymology

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Named after Kenneth E. Iverson, who introduced this notation in his programming language APL.

Noun

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Iverson bracket (plural Iverson brackets)

  1. (mathematics) A notation that denotes a number that is 1 if the condition in square brackets is satisfied, and 0 otherwise, i.e. (where P is a true or false statement)