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IEVref: | 102-01-24 | ID: | |

Language: | en | Status: Standard | |

Term: | inverse, noun | ||

Synonym1: | reciprocal, noun | ||

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Symbol: | |||

Definition: | for any element a of a set in which a multiplication with a neutral element u is defined, the unique element ${a}^{-1}$ of the set, if it exists, such that $a\cdot {a}^{-1}={a}^{-1}\cdot a=u$Note 1 to entry: In English, the term "reciprocal" is preferred for numbers. Note 2 to entry: The inverse of element | ||

Publication date: | 2008-08 | ||

Source: | |||

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Internal notes: | 2017-02-20: Editorial revisions in accordance with the information provided in C00019 (IEV 102) - evaluation. JGO | ||

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Note 1 to entry: In English, the term "reciprocal" is preferred for numbers.

Note 2 to entry: The inverse of element *a* is denoted by ${a}^{-1}$. For a non-zero number, or for a quantity or unit, the inverse may also be denoted by $1/a$ or $\frac{1}{a}$.