Showing revision 1Difference (from revision 1 to revision 1)
(
minor diff)
(The revisions are identical or unavailable.)
A
surjection (or
onto) is a
function f :
X ->
Y
which maps the domain
? X to the
range Y
such that, for every
y in
Y there is at least one
x in
X such that
f(
x) =
y.
see also:
Bijection
![[Home]](wikipedia.png)