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Venn Diagram Symbols Explained

Posted by: Lucid Content Team Venn diagram symbols ∪: Union of two sets. A complete Venn diagram represents the union of two sets. ∩: Intersection of two sets. The intersection shows what items are shared between categories. Ac: Complement of a set. The complement is whatever is not represented in a set. It’s time to have a serious talk […]

Instructor Viktor Ignéczi
Updated March 26, 2022

About Course

Posted by: Lucid Content Team

It’s time to have a serious talk about Venn diagrams—and we’re not talking about the Venn diagrams from your grade school days. We’re talking about the hardcore visuals produced by serious professionals to represent complex mathematical ideas.

Venn diagrams are visual representations of mathematical sets—or collections of objects—that are studied using a branch of logic called set theory. Set theory is one of the foundational systems for mathematics, and it helped to develop our modern understanding of infinity and real numbers.

Researchers and mathematicians have developed a language and system of notation around set theory. If you want to get in on their secrets, you’ll want to become familiar with these Venn diagram symbols.

This guide will walk you through the process of making a Venn diagram, explaining the symbols along the way. We’ll be using Lucidchart to build our examples because it’s easy to use and completely free. If you would like to follow along or build your own Venn diagram, all you have to do is click below and create a free account. Now let’s get to it!

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Course Content

Venn Diagram Symbols Explained
Posted by: Lucid Content Team Venn diagram symbols ∪: Union of two sets. A complete Venn diagram represents the union of two sets. ∩: Intersection of two sets. The intersection shows what items are shared between categories. Ac: Complement of a set. The complement is whatever is not represented in a set. It’s time to have a serious talk about Venn diagrams—and we're not talking about the Venn diagrams from your grade school days. We’re talking about the hardcore visuals produced by serious professionals to represent complex mathematical ideas. Venn diagrams are visual representations of mathematical sets—or collections of objects—that are studied using a branch of logic called set theory. Set theory is one of the foundational systems for mathematics, and it helped to develop our modern understanding of infinity and real numbers. Researchers and mathematicians have developed a language and system of notation around set theory. If you want to get in on their secrets, you'll want to become familiar with these Venn diagram symbols. This guide will walk you through the process of making a Venn diagram, explaining the symbols along the way. We’ll be using Lucidchart to build our examples because it’s easy to use and completely free. If you would like to follow along or build your own Venn diagram, all you have to do is click below and create a free account. Now let’s get to it!

  • Union of two sets: ∪
  • Intersection of two sets: ∩
  • Complement of a set: Ac
  • A fast food Venn diagram illustrating set theory

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