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Definition 2025
surjection
surjection
English
A surjection.
Noun
surjection (plural surjections)
- (set theory) A function of "many-to-one" mapping relationship; more formally, f: X → 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
Translations
function of "many-to-one" mapping relationship
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