surjection

Senso (Inglese)

A function for which every element of the codomain is mapped to by some element of the domain; (formally) Any function f:X→Y for which for every y∈Y, there is at least one x∈X such that f(x)=y.

Concetti

suriezione

sinonimi

onto function

onto

onto mapping

epimorphism

Traduzioni

surjection

Surjektion

application surjective

suryección

sobrejeção

función sobreyectiva

surjectie

sobrejetora

sobreyección

superjecció

Pronunciato come (IPA)

/sɜː(ɹ)ˈd͡ʒɛk.ʃən/

Etimologia (Inglese)

From French surjection, introduced by Nicolas Bourbaki in their treatise Éléments de mathématique.
Ultimately borrowed from Latin superiectiō (“a throwing over or on; (fig.) an exaggeration, a hyperbole”).