In general, this refers to something that can be linked back to Rene Descartes, the French scientist, famous for uttering the phrase, “I think, therefore I am.”
There are several scientific, mathematical, and philosophical branches that are named for Descartes:
- Cartesian geometry
- Cartesian philosophy
- Cartesian doubt
- Cartesian dualism
- Cartesian coordinates
- Cartesian tree
In fact, there is an entire philosophic and scientific systems called Cartesianism.