# Relative complement

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In Set theory, the **relative complement** of a set in another is the set of all elements that are not in the former set and in the later. It is a binary operation on sets that is defined as:

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Set Theory

**Concepts**

Set theory, Set, Element, Subset, Equality, Empty Set, Enumeration, Function, Ordered pair, Uncountable set, Extensionality, Finite set, Domain, Codomain, Image, DeMorgan's Laws

**Operations**

Union, Intersection, **Relative complement**, Absolute complement, Symmetric complement, Cartesian product, Power Set