by Ciro Santilli (@cirosantilli, 32)
This section is about functions that operates on arbitrary sets.
A function that maps two sets to a third set.
A Cartesian product that carries over some extra structure of the input groups.
E.g. the direct product of groups carries over group structure on both sides.

Ancestors

  1. Function by signature
  2. Function
  3. Formalization of mathematics
  4. Area of mathematics
  5. Mathematics
  6. Index

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