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Surjection

From Encyclopedia of Mathematics
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surjective mapping, from a set onto a set

A mapping such that , i.e. such that for each there is an with . As well as saying "f is surjective" , one can also say "f is a mapping from A onto B" .


Comments

See also Injection; Bijection; Permutation of a set.

How to Cite This Entry:
Surjection. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Surjection&oldid=13977
This article was adapted from an original article by O.A. Ivanova (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article