# Cartesian closed category

> English word · Noun

## Definitions
1. A category which has a terminal object and which for every two objects A and B has a product A × B and an exponential object Bᴬ.

## Etymology
Named after René Descartes (1596–1650), French philosopher, mathematician, and scientist, whose formulation of analytic geometry gave rise to the concept of Cartesian product, which was later generalized to the notion of categorical product.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/cartesian-closed-category