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 between the universal …

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 the original set. …

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 movie …

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 reference universal set.