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Surjective function
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Mathematics
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1970-01-01
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A
surjective function
, also known
as
a
"onto" function, is
a
type of function in
mathematics
where every element in the
codomain
(the set of possible outputs) is mapped to by at least one element from the domain (the set of possible inputs).
Ancestors
(5)
Functions and mappings
Mathematical analysis
Fields of mathematics
Mathematics
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Surjective function
by
Ciro Santilli
37
Updated
2025-06-17
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Created
1970-01-01
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Mnemonic: sur
means
over. So
we
are going over the
codomain
, and covering it entirely.
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