by Ciro Santilli (@cirosantilli, 32)
Mnemonic: in means into. So we are going into a codomain that is large enough so that we can have a different image for every input.

Ancestors

  1. Bijection
  2. Domain, codomain and image
  3. Function
  4. Formalization of mathematics
  5. Area of mathematics
  6. Mathematics
  7. Index

Synonyms

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