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  1. Set (mathematics) - Wikipedia

    A set of polygons in an Euler diagram This set equals the one above since they have the same elements. In mathematics, a set is a collection of different things; the things are elements or …

  2. Introduction to Sets - Math is Fun

    When talking about sets, it is fairly standard to use Capital Letters to represent the set, and lowercase letters to represent an element in that set. So for example, A is a set, and a is an …

  3. 21-110: Sets - math.cmu.edu

    Mar 19, 2010 · The concept of a set is one of the most fundamental ideas in mathematics. Essentially, a set is simply a collection of objects. The field of mathematics that studies sets, …

  4. SET Definition & Meaning - Merriam-Webster

    The meaning of SET is to cause to sit : place in or on a seat. How to use set in a sentence.

  5. 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, …

  6. Set theory | Symbols, Examples, & Formulas | Britannica

    Oct 30, 2025 · Set theory, branch of mathematics that deals with the properties of well-defined collections of objects such as numbers or functions. The theory is valuable as a basis for …

  7. Set

    A set is a collection of mathematical objects. Mathematical objects can range from points in space to shapes, numbers, symbols, variables, other sets, and more.

  8. 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.

  9. 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.

  10. Set | Brilliant Math & Science Wiki

    A set is an unordered group of items (called elements). For example, {cat, dog, fish, bird} {cat,dog,fish,bird} is a set of animals, {2, 4, 6, 8, 10} {2,4,6,8,10} is a set of even numbers, and …