Set A set is a collection of distinct objects, called elements of the set A set can be defined by describing the contents, or by listing the elements of the set, enclosed in curly brackets.

A set is a collection of things, usually numbers. We can list each element (or member) of a set inside curly brackets like this

Set theory is the branch of mathematical logic that studies sets, which can be informally described as collections of objects. Although objects of any kind can be collected into a set, set theory – …

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, …

Sep 5, 2025 · A set, wrote Cantor, is a collection of definite, distinguishable objects of perception or thought conceived as a whole. The objects are called elements or members of the set.

Dive into set theory with our comprehensive introduction lesson. Master math concepts effortlessly. Explore now for mastery!

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.

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 …

Sets are a useful vocabulary in many areas of mathematics. They provide a language for stating interesting results. For example, in analysis: “a monotone function from ‘ to ‘ is continuous …

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.