surjection

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English[edit]

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Wikipedia

A surjection.

Etymology[edit]

From French surjection, introduced by Nicolas Bourbaki in his treatise Éléments de mathématique.

Pronunciation[edit]

  • IPA(key): /sɜː(r).dʒɛk.ʃən/

Noun[edit]

surjection (plural surjections)

  1. (mathematics) A function of "many-to-one" mapping relationship; more formally, fX → Y is a surjection if and only if, for every y in the codomain Y, there is at least one x in the domain X with f(x) = y.

Related terms[edit]

Translations[edit]


French[edit]

Etymology[edit]

sur- + jection

Noun[edit]

surjection f (plural surjections)

  1. surjection