# Realcompact space

From Topospaces

This article defines a property of topological spaces: a property that can be evaluated to true/false for any topological space|View a complete list of properties of topological spaces

This is a variation of compactness. View other variations of compactness

## Contents

## Definition

### Symbol-free definition

A topological space is termed **realcompact** if it can be realized as a closed subset of some cardinal power of the real line.