English-Italian translations for onto

su
Dobbiamo e vogliamo trasferire su rotaia una quota crescente dei trasporti pesanti. We must and we want to shift heavy traffic onto the railways. Le spese che nessuno si accolla ricadono sulla società. These costs that no one pays are diverted onto society instead. Non ci sono sufficienti alternative per portare gli automezzi pesanti su rotaia. There are too few facilities for getting lorries onto the railways.

Upon; on top of
Aware of
Being an onto function with a codomain of (see below
Assuming each of the values in its codomain; having its range equal to its codomain

My cat just jumped onto the keyboard
The thought-police were onto my plans of world domination
The exponential function maps the set of real numbers onto the set of positive real numbers
Considered as a function on the real numbers, the exponential function is not onto.

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