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sgn

From Wiktionary, the free dictionary

Translingual

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Symbol

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sgn

  1. (mathematics) The signum function.
    sgn x
  2. (mathematics, group theory) The sign or signature of a permutation.
    sgn(σ)
  3. (international standards) ISO 639-2 & ISO 639-5 language code for sign languages.

See also

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