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Descartes is a heavily worn lunar impact crater that is located in the rugged south-central highlands of the Moon. To the southwest is the crater Abulfeda. It is named after the French philosopher, mathematician and physicist René Descartes. The rim of Descartes survives only in stretches, and is completely missing in the north.
Regulae ad directionem ingenii, or Rules for the Direction of the Mind is an unfinished treatise regarding the proper method for scientific and philosophical thinking by René Descartes. Descartes started writing the work in 1628, and it was eventually published in 1701 after Descartes' death. [1] This treatise outlined the basis for his later ...
Sesenne. Dame Marie Selipha Descartes, DBE, SLMM, BEM (née Charlery; 28 March 1914 – 11 August 2010), best known as Sesenne, was a Saint Lucian singer and cultural icon. Singing in her native patois language, at a time when authorities barred its use, Sesenne developed a wide following in the rural area in which she grew up.
Catherine Descartes (1637–1706) was a French poet and philosopher, and the niece of French philosopher René Descartes. [1] A prominent figure in the French salon movement, her best known works included "Shade of Descartes" ( "L'Ombre de Descartes") and Report on the Death of M. Descartes, the Philosopher. [1] [2] She was also interviewed by ...
Method of normals. In calculus, the method of normals was a technique invented by Descartes for finding normal and tangent lines to curves. It represented one of the earliest methods for constructing tangents to curves. The method hinges on the observation that the radius of a circle is always normal to the circle itself.
Principia philosophiae cartesianae ( PPC; "The Principles of Cartesian Philosophy") or Renati Descartes principia philosophiae, more geometrico demonstrata ("The Principles of René Descartes' Philosophy, Demonstrated in Geometrical Order") is a philosophical work of Baruch Spinoza published in Amsterdam in 1663.
Francine Descartes. Francine Descartes (19 July 1635, Deventer – 7 September 1640, Amersfoort) was René Descartes 's daughter. Francine was the daughter of Helena Jans van der Strom, [1] a domestic servant of Thomas Sergeant — a bookshop owner and associate of Descartes at whose house in Amsterdam Descartes lodged on 15 October 1634.
Principles of Philosophy ( Latin: Principia Philosophiae) is a book by René Descartes. In essence, it is a synthesis of the Discourse on Method and Meditations on First Philosophy. [1] It was written in Latin, published in 1644 and dedicated to Elisabeth of Bohemia, with whom Descartes had a long-standing friendship.