Surjection
From Encyclopedia of Mathematics
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
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