Additive Identity - Elementary Examples

Elementary Examples

  • The additive identity familiar from elementary mathematics is zero, denoted 0. For example,
    5 + 0 = 5 = 0 + 5.
  • In the natural numbers N and all of its supersets (the integers Z, the rational numbers Q, the real numbers R, or the complex numbers C), the additive identity is 0. Thus for any one of these numbers n,
    n + 0 = n = 0 + n.

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