Cartesian

See:

• Cartesian dualism
• Cartesian Meditations, a work by Edmund Husserl
• Cartesian linguistics, a work by Noam Chomsky
• Cartesian theater
• the Cartesian diver experiment
• Cartesian physics

In mathematics, the following meanings are found:

• Cartesian coordinate system, modern rectangular coordinate system
• Cartesian diagram, a construction in category theory
• Cartesian geometry, now more commonly called Analytic geometry
• Cartesian morphism, formalisation of pull-back operation in category theory
• Cartesian product, a direct product of two sets

In other regards:

• Cartesian Limited is a British revenue assurance company
• Cartesian Products, Inc. is a US technology company.