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Descartes diagram. Diagram from one of Ren Descartes' works Scanned from Dagfinn Dhl Dybvig Magne Dybvig Det tenkende mennesket Oslo Tapir akademisk forlag ISBN Page Which had it from Descartes The World and Other Writings Cambridge Ren Descartes Artist has been dead for more than years Image Descartes mind and body PDold Descartes