If B is the set of multiples of 3, then the complement of B is the set of numbers congruent to 1 or 2 modulo 3 (or, in simpler terms, the integers that are not multiples of 3).

The complement of a set is the set that includes all the elements of the universal set that are not present in the given set. i.e., the complement of a set A is A' = U - A, where U is the universal set.

Illustrated definition of Complement (set): All elements (from a universal set) not in our set. Example: With a universal set of 1,2,3,4,5,6 the...

Jun 11, 2024 · What is the complement of a set in set theory with notation and symbol. Also, learn how to find it with examples.

Oct 1, 2025 · The complement of a set is the set that consists of all the elements from the universal set that are not already included in the given set. In other words, the difference …

Complement (Relative), denoted \ ( \backslash\), refers to the elements that are in the first set, but are not in the second set. In the example, \ ( H\backslash T = \ { c, f \} \).

Dec 22, 2025 · In general, the word "complement" refers to that subset F^' of some set S which excludes a given subset F. Taking F and its complement F^' together then gives the whole of …

In set theory, the complement of a set is the set of all elements that belong to the universal set but not to the original set. The complement of a set A is denoted by A’ or Ac.

Jan 8, 2026 · This page offers an overview of set theory focusing on union, intersection, and complement. It uses practical examples, including a comparison of sets from parents in the …

Nov 10, 2025 · The complement of a set is a fundamental operation that produces a new set containing all the elements that do not belong to the original set but are present within a …