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  Cartesian Cut

The Cartesian cut is a metaphorical notion alluding to Decartes' distinction of res cogitans (thinking substance) and res extensa (extended substance). It plays a crucial role in the long history of the problem of the relationship between mind and matter and is constitutive for the natural sciences of today. While the elements of res cogitans are mental (non-material) entities like ideas, models, or concepts, the elements of res extensa are material facts, events, or data. The conventional referents of all natural sciences belong to the latter regime.

Dr. Harald Atmanspacher
Institut fuer Grenzgebiete der Psychologie und Psychohygiene e.V.
Department of Theory and Data Analysis
Freiburg, Germany