onto
Definition from Wiktionary, the free dictionary
See also ónto
Contents |
[edit] English
[edit] Preposition
onto
- upon, on top of
- My cat just jumped onto the keyboard.
- (informal) aware of
- The thought-police were onto my plans of World domination.
- (mathematics) being an onto function with a codomain of (see below)
- The exponential function maps the set of real numbers onto the set of positive real numbers.
[edit] Adjective
onto (not comparable)
- (mathematics, of a function) assuming each of the values in its codomain; having its range equal to its codomain
- Considered as a function on the real numbers, the exponential function is not onto.
