surjection

Fetched 2026-10-26 (cache).

Synonyms: subjection, surrection, surreption, superjection, subsection, surjective, suspection, surjections

Antonyms: subjection, surrection, surreption, superjection, subsection, surjective, suspection, surjections

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|set theory}} A [[function]] for which every element of the [[codomain]] is mapped to by some element of the [[domain]]; {{lb|en|formally}} any function <math>f: X\rightarrow Y</math> for which for every <math>y \in Y</math>, there is at least one <math>x \in X</math> such that <math>f(x) = y</math>. {{C|en|Functions}}

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