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Onto
Preposition
Definiciones
1.
Preposition
Arriving upon or on top of (speaking of a physical or metaphorical movement).
"My cat just jumped onto the keyboard.; A new drug has just come onto the market."
2.
Preposition
Aware of.
"The thought-police were onto my plans of world domination."
3.
Preposition
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."
4.
Adjective
Attaining each of the values in its codomain; having its image equal to its codomain.
"Considered as a function on the real numbers, the exponential function is not onto, as it never takes on values less than or equal to zero."
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