The term "over" is commonly used in mathematical exposition as a synonym for "in the domain of." So, for example, "Let be a function over the reals" means "Let be a function defined for ."

# Over

## See also

Domain, Element## Explore with Wolfram|Alpha

## Cite this as:

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