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.

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.

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...

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 …

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.

What is a complement in math? The complement of a set in mathematics is the collection of elements not in the set.

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 \} \).

The complement of a set is the collection of all elements which are not members of that set. Although this operation appears to be straightforward, the way we define “all elements” can significantly …

Dec 3, 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. …