identity element

短语

[计] 全同元件

词形变化

identity elements 复数 identity elements

释义与例句

n.
  1. 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.

    数学

    Proof. If e and e' are both identity elements, then we have ee'=e since e' is an identity element, and ee'=e' since e is an identity element. Thus e=ee'=e'.

词汇关系

名词

同义词 1

identity

上位词 1

operator