surjective
/sərˈdʒɛktɪv/
adjective
- Describing a function in mathematics where every element of the output set is mapped to by at least one element of the input set.
- In algebra class, we learned that a surjective function covers the entire target set.
- The teacher explained that a surjective map guarantees every y-value has a corresponding x-value.
- To prove the function is surjective, we showed that each output has a preimage in the domain.
Synonyms