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 -- from Wolfram MathWorld
Dec 3, 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 | Definition & Facts | Britannica
Dec 11, 2025 · Set, in mathematics and logic, any collection of objects (elements), which may be mathematical (e.g., numbers and functions) or not. A set is commonly represented as a list of all its …
Math: Sets & Set Theory (video lessons, examples, solutions)
Sets may be thought of as a mathematical way to represent collections or groups of objects. The concept of sets is an essential foundation for various other topics in mathematics.