# terminal object

Definition from Wiktionary, the free dictionary

## Contents

## English[edit]

### Noun[edit]

**terminal object** (*plural* **terminal objects**)

- (category theory) An object within a category which receives arrows from all other objects in that category, and such that each of these arrows is unique.
*In the category of sets, a***terminal object**is any singleton, since there exists a unique function, namely the constant function, from any given set into that singleton.