Onto

Preposition

 * 1) upon, on top of
 * My cat just jumped onto the keyboard.
 * 1)  aware of
 * The thought-police were onto my plans of World domination.
 * 1)  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.

Adjective

 * 1)  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.

Synonyms

 * surjective

Derived terms

 * one-to-one and onto

Translations

 * Swedish:

Anagrams

 * noot
 * toon, Toon

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