Glossary math Term Page

Intersection

The set of common elements shared by two sets

intersection #math#set-theory

Aliases

intersection

Prerequisites

Mathematical set

Related Concepts

Set operation Union Set difference Complement

Core Idea

The intersection of two sets contains only the elements they share. It is usually written as $A \cap B$ .

Role In This Blog

In Mathbong, intersection helps learners connect common-membership questions with the logical meaning of “and.”

Posts Mentioning This Concept

[Set Theory Series 4] Set Operations: Union, Intersection, Difference, and Complement Learn the four most common set operations and see how they connect naturally to logical conditions.[집합론 시리즈 4편] 집합 연산: 합집합, 교집합, 차집합, 여집합 집합 사이의 대표 연산 네 가지를 익히고, 조건의 결합이 집합 연산과 어떻게 연결되는지 봅니다.