A Set of two numbers or objects linked in some way is said to be a pair. The pair and is usually
denoted (, ). In certain circumstances, pairs are also called Brothers or Twins.

*See also *Amicable Pair, Augmented Amicable Pair, Brown Numbers, Friendly Pair, Hexad,
Homogeneous Numbers, Impulse Pair, Irregular Pair, Lax Pair, Long Exact Sequence of a Pair
Axiom, Monad, Ordered Pair, Perko Pair, Quadruplet, Quasiamicable Pair, Quintuplet,
Reduced Amicable Pair, Smith Brothers, Triad, Triplet, Twin Peaks, Twin Primes,
Twins, Unitary Amicable Pair, Wilf-Zeilberger Pair

© 1996-9 *Eric W. Weisstein *

1999-05-26