#
nLab

2-category theory

Contents
### Context

#### 2-Category theory

[[!include 2-category theory - contents]]

#### Higher category theory

[[!include higher category theory - contents]]

# Contents

## Idea

**2-category theory** is the study of 2-categories. It is the “first new level” in higher category theory.

[[!include table of category theories]]

Last revised on March 15, 2012 at 15:15:24.
See the history of this page for a list of all contributions to it.