English Wikipedia - The Free Encycl...
Download this dictionary
Unordered pair
In
mathematics
, an
unordered pair
or
pair set
is a
set
of the form {
a
,
b
}, i.e. a set having two elements
a
and
b
with no particular relation between them. In contrast, an
ordered pair
(
a
,
b
) has
a
as its first element and
b
as its second element.
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License