A pair of quantities (
, 
)
where ordering is significant, so (
, 
)
is considered distinct from (
, 
)
for 
.
Ordered Pair
See also
List, Multiset, Ordered Pairs Representation, Pair, Set, VectorExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Ordered Pair." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/OrderedPair.html