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Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the Sciences (French: Discours de la Méthode pour bien conduire sa raison, et chercher la vérité dans les sciences) is a philosophical and autobiographical treatise published by René Descartes in 1637.
In number theory, a Descartes number is an odd number which would have been an odd perfect number if one of its composite factors were prime.They are named after René Descartes who observed that the number D = 3 2 ⋅7 2 ⋅11 2 ⋅13 2 ⋅22021 = (3⋅1001) 2 ⋅ (22⋅1001 − 1) = 198585576189 would be an odd perfect number if only 22021 were a prime number, since the sum-of-divisors ...
In geometry, Descartes' theorem states that for every four kissing, or mutually tangent, circles, the radii of the circles satisfy a certain quadratic equation. By solving this equation, one can construct a fourth circle tangent to three given, mutually tangent circles.
Descartes describes philosophy as like a tree, whose roots are metaphysics, its trunk physics, and the branches are the rest of the sciences, mainly medicine, mechanics, and morals that is the last level of wisdom. In the same way that trees have fruits in their outer parts, the usefulness of philosophy is also contained in the areas that stem ...
Jeux Descartes was a French publisher of roleplaying games and board games. Their most popular lines included: Eurogames, a set of serious board games, previously published by Duccio Vitale's independent company; Blue Games, small card games for larger groups; and Games for Two. Jeux Descartes was founded in 1977 and went out of business in 2005.
The Merchants Despatch Transportation Company (MDT, also known as the Merchants Despatch Refrigerator Line) was established in 1857 or 1858 by the American Express Company of New York (then a freight forwarding service).
Descartes' Error: Emotion, Reason, and the Human Brain is a 1994 book by neuroscientist António Damásio describing the physiology of rational thought and decision, and how the faculties could have evolved through Darwinian natural selection. [1]
In the first part of his work, Descartes ponders the relationship between the thinking substance and the body. For Descartes, the only link between these two substances is the pineal gland (art. 31), the place where the soul is attached to the body. The passions that Descartes studies are in reality the actions of the body on the soul (art. 25).