A bound of a set, function, etc. is a value which all members are less than (in the case of an upper bound) or greater than (in the case of a lower bound).

# Bound

## See also

Bound Variable, Bounded, Bounded from Above, Bounded from Below, Greatest Lower Bound, Infimum, Least Upper Bound, Supremum## Explore with Wolfram|Alpha

## Cite this as:

Weisstein, Eric W. "Bound." From *MathWorld*--A
Wolfram Web Resource. https://mathworld.wolfram.com/Bound.html