# Function mapping

This English edition is an AI candidate and does not yet have an OCME Atlas (GPT-6) Twin closure receipt.

[Catalogue presentation and source-binding data](https://ocme.evemisslab.com/data/i18n/catalogue.en.json)



## [Function mapping](https://ocme.evemisslab.com/en/atlas/atlas-function-mapping/)

A mapping assigning exactly one output to each input in its domain.

atlas-function-mapping · canonical_mko

[Function mapping](https://ocme.evemisslab.com/en/mko/mko-function-mapping/)

## Prerequisite nodes


- [Set](https://ocme.evemisslab.com/en/atlas/atlas-set/)
- [Binary relations and set projections](https://ocme.evemisslab.com/en/atlas/atlas-relation/)