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  1. 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 …

  2. 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, …

  3. 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 …

  4. Introduction to Sets - Math is Fun

    We can come up with all different types of sets.

  5. What Are Sets? Definition, Types, Properties, Symbols, Examples

    Set in math is a collection of well-defined objects. Learn about different forms and types of sets to solve related problems using Venn diagrams and formulas.

  6. 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, …

  7. 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.

  8. 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 …

  9. 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 …

  10. 1.1: Basic Set Concepts - Mathematics LibreTexts

    Jan 2, 2025 · Sets can be described in a number of different ways: by roster, by set-builder notation, by interval notation, by graphing on a number line, and by Venn diagrams. Sets are typically designated …