identity element

名词 n.
中文释义

英文释义

名词 n.
  1. An element of an algebraic structure which when applied, in either order, to any other element via a binary operation yields the other element.
    — Therefore the number 0 is not considered an identity element for subtraction, even though x-0#61;x for all x, since 0-x#92;nex.

词形变化

identity elements plural
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