English version

Descartes, René

From Longman Dictionary of Contemporary EnglishDescartes, RenéRené DescartesDes‧cartes, Re‧né /ˈdeɪkɑːt $ deɪˈkɑːrt, reˈneɪ/ 🔊 🔊 (1596–1650) a French mathematician and philosopher famous for establishing the principle of ‘cogito ergo sum’ (=I think, therefore I am), that is, I know that I exist because I know that I think
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