# Definition:Euclidean Geometry

## Contents

## Definition

Euclidean geometry is the branch of geometry in which the parallel postulate applies.

An assumption which is currently under question is whether or not ordinary space is itself Euclidean.

**Euclidean geometry** adheres to Euclid's postulates.

## Source of Name

This entry was named for Euclid.

## Also see

- Category:Axioms/Euclidean Geometry
- Results about
**Euclidean geometry**can be found here.

## Sources

- 1952: T. Ewan Faulkner:
*Projective Geometry*(2nd ed.) ... (previous) ... (next): $1.1$: Historical Note