#
nLab

van Kampen theorem for toposes

### Context

#### Homotopy theory

## Background

## Variations

## Definitions

## Paths and cylinders

## Homotopy groups

## Theorems

#### Topos Theory

*Could not include topos theory - contents*

# Contents

## Idea

The generalization of the van Kampen theorem from Top to Topos.

## References