In mathematics, a set is a collection of distinct objects. Set provides a way to organize and categorize elements based on their common properties. Various operations such as union, intersection, and complement are used to manipulate sets, providing a powerful tool for reasoning and describing relationships between different collections of objects.
* The set of natural numbers less than 10: {1, 2, 3, 4, 5, 6, 7, 8, 9}
* The set of prime numbers: {2, 3, 5, 7, 11, …}
* The set of vowel