by Ciro Santilli (@cirosantilli, 37)
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.

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Set function by Wikipedia Bot 0 1970-01-01
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The term "set function" can refer to different concepts depending on the context, particularly in mathematics, computer science, and programming. Here are a few interpretations: 1. **Mathematical Set Function**: In mathematics, particularly in set theory and measure theory, a set function is a function defined on a collection of sets (often a σ-algebra) that assigns a value (typically a number) to each set.
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