
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 …
Introduction to Sets - Math is Fun
We can come up with all different types of sets.
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, called set theory, was …
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, …
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.
Set Operations - GeeksforGeeks
Oct 6, 2025 · The most common set operations, such as union, intersection, disjoint, set difference, etc., will be explored in detail below, including their definitions, examples, and Venn diagrams.
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 precise and …
Set - from Wolfram MathWorld
Nov 14, 2025 · A set is a finite or infinite collection of objects in which order has no significance, and multiplicity is generally also ignored (unlike a list or multiset). Members of a set are often referred to …
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.
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 {a, b, …