Set (mathematics) - Wikipedia
In mathematics, a set is a collection of different things; the things are elements or members of the set and are typically mathematical objects: numbers, symbols, points in space, lines, other geometric …
Sets - Definition, Symbols, Examples | Set Theory - Cuemath
Sets are defined as a collection of distinct elements. The elements of a set share a common characteristic among them. Learn about sets definition, representation, types, symbols, formulas, …
Introduction to Sets - Math is Fun
We can come up with all different types of sets.
Sets - Definition, Theory, Symbols, Types, and Examples
Jul 19, 2024 · The cartesian product of two sets, A and B, written as A × B, is the product of two non-empty sets. Here, the ordered pairs of elements are obtained, which means the first element is …
Set theory | Symbols, Examples, & Formulas | Britannica
Dec 12, 2025 · set theory, branch of mathematics that deals with the properties of well-defined collections of objects, which may or may not be of a mathematical nature, such as numbers or …
Set -- from Wolfram MathWorld
Dec 22, 2025 · Symbols used to operate on sets include (which means "and" or intersection), and (which means "or" or union). The symbol is used to denote the set containing no elements, called the empty …
Set Theory - GeeksforGeeks
Jul 23, 2025 · Set theory is a branch of mathematics that deals with collections of objects, called sets. A set is simply a collection of distinct elements, such as numbers, letters, or even everyday objects, …