Definition 2.5. A function is onto if each element of the codomain has at least one element of the domain assigned to it. In other words, a function is onto if the range equals the codomain.

The bankruptcy rumor dried up his sales.

After the gathering of the crops the Ladybugs again began to migrate to other plants, as corn, orach, pigweed, frost-blite, notch-weed, which were inhabited by Aphis evonymi; in a few days all the colonies of the latter were annihilated by the Lady-bugs.

a thunder-thighed cyclist