surjection
Meanings
Plural: surjections
Noun
- 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.
Origin / Etymology
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”).
Synonyms
onto function, surjective function
Scrabble Score: 19
surjection is a valid Scrabble (US) TWL wordsurjection is a valid Scrabble Word in Merriam-Webster MW Dictionary
surjection is a valid Scrabble Word in International Collins CSW Dictionary
Words With Friends Score: 24
surjection is a valid Words With Friends word