Last Updated
：2025/11/19
identity element
Noun
Japanese Meaning
代数構造において、任意の要素と二項演算を行ったとき、元の要素がそのまま返される特別な元。通常『単位元』と呼ばれます。
（ plural ）
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(algebra) An element of an algebraic structure which when applied, in either order, to any other element via a binary operation yields the other element.
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identity element
In any group, the identity element, when combined with another element, returns that element unchanged.
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In any group, the identity element, when combined with another element, returns that element unchanged.
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