Last Updated：2025/11/28

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(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)

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Iverson bracket

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Source Word

Iverson bracket

Noun

(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)

Japanese Meaning

数学における記法で、角括弧内の条件が成立すると1、成立しない場合は0を表す。

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Google Translation / DeepL Translation

証明では、論理条件を数値に変換するために指示関数の括弧[P]を用い、Pが成り立つ場合に1、そうでない場合に0を割り当てます。

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Sense（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)

[P]=1ifPistrue;\0otherwise.

Google Translation / DeepL Translation