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Jean Paul De Gua De Malves
Jean Paul de Gua de Malves (1713, Malves-en-Minervois (Aude) – June 2, 1785, Paris) was a French mathematician who published in 1740 a work on analytical geometry in which he applied it, without the aid of differential calculus, to find the tangents, asymptotes, and various Mathematical singularity, singular points of an algebraic curve. He further showed how singular points and isolated loops were affected by conical projection. He gave the proof of Descartes's rule of signs which is to be found in most modern works. It is not clear whether Descartes ever proved it strictly, and Isaac Newton, Newton seems to have regarded it as obvious. De Gua de Malves was acquainted with many of the French philosophes during the last decades of the Ancien Régime. He was an early, short-lived, participant, then editor (later replaced by Diderot) of the project that ended up as the ''Encyclopédie''. Condorcet claimed that it was in fact the de Gua who recruited Diderot to the project, though ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Malves-en-Minervois
Malves-en-Minervois is a Communes of France, commune in the Aude Departments of France, department in southern France. Population See also *Communes of the Aude department References Communes of Aude Aude communes articles needing translation from French Wikipedia {{Aude-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diderot
Denis Diderot (; ; 5 October 171331 July 1784) was a French philosopher, art critic, and writer, best known for serving as co-founder, chief editor, and contributor to the ''Encyclopédie'' along with Jean le Rond d'Alembert. He was a prominent figure during the Age of Enlightenment. Diderot initially studied philosophy at a Jesuit college, then considered working in the church clergy before briefly studying law. When he decided to become a writer in 1734, his father disowned him. He lived a bohemian existence for the next decade. In the 1740s he wrote many of his best-known works in both fiction and non-fiction, including the 1748 novel ''The Indiscreet Jewels''. In 1751, Diderot co-created the ''Encyclopédie'' with Jean le Rond d'Alembert. It was the first encyclopedia to include contributions from many named contributors and the first to describe the mechanical arts. Its secular tone, which included articles skeptical about Biblical miracles, angered both religious and go ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fellows Of The Royal Society
Fellowship of the Royal Society (FRS, ForMemRS and HonFRS) is an award granted by the judges of the Royal Society of London to individuals who have made a "substantial contribution to the improvement of natural knowledge, including mathematics, engineering science, and medical science". Fellowship of the Society, the oldest known scientific academy in continuous existence, is a significant honour. It has been awarded to many eminent scientists throughout history, including Isaac Newton (1672), Michael Faraday (1824), Charles Darwin (1839), Ernest Rutherford (1903), Srinivasa Ramanujan (1918), Albert Einstein (1921), Paul Dirac (1930), Winston Churchill (1941), Subrahmanyan Chandrasekhar (1944), Dorothy Hodgkin (1947), Alan Turing (1951), Lise Meitner (1955) and Francis Crick (1959). More recently, fellowship has been awarded to Stephen Hawking (1974), David Attenborough (1983), Tim Hunt (1991), Elizabeth Blackburn (1992), Tim Berners-Lee (2001), Venki Ramakrishnan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Contributors To The Encyclopédie (1751–1772)
Contributor may refer to: * Author, the originator of any written work which is contributed to a publication ** Freelance writer, an author working as an independent contractor for a publication *** Contributor network, a freelance writing arrangement used by online publications * Benefactor (law) A benefactor () is a person who gives some form of help to benefit a person, group or organization (the beneficiary), often gifting a monetary contribution in the form of an endowment to help a cause. Benefactors are humanitarian leaders and ch ..., a person who gives some form of help to benefit a person, group or organization The Contributor may refer to: * ''The Contributor'' (LDS magazine), a 19th-century periodical associated with The Church of Jesus Christ of Latter-day Saints * ''The Contributor'' (street paper), a street newspaper in Nashville, Tennessee * The Contributor (website), an American news reporting website {{disambig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Members Of The French Academy Of Sciences
Member may refer to: * Military jury, referred to as "Members" in military jargon * Element (mathematics), an object that belongs to a mathematical set * In object-oriented programming, a member of a class ** Field (computer science), entries in a database ** Member variable, a variable that is associated with a specific object * Limb (anatomy), an appendage of the human or animal body ** Euphemism for penis * Structural component of a truss, connected by nodes * User (computing), a person making use of a computing service, especially on the Internet * Member (geology), a component of a geological formation * Member of parliament * The Members, a British punk rock band * Meronymy, a semantic relationship in linguistics * Church membership, belonging to a local Christian congregation, a Christian denomination and the universal Church * Member, a participant in a club or learned society A learned society (; also learned academy, scholarly society, or academic association) is an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
18th-century French Mathematicians
The 18th century lasted from January 1, 1701 ( MDCCI) to December 31, 1800 ( MDCCC). During the 18th century, elements of Enlightenment thinking culminated in the American, French, and Haitian Revolutions. During the century, slave trading and human trafficking expanded across the shores of the Atlantic, while declining in Russia, China, and Korea. Revolutions began to challenge the legitimacy of monarchical and aristocratic power structures, including the structures and beliefs that supported slavery. The Industrial Revolution began during mid-century, leading to radical changes in human society and the environment. Western historians have occasionally defined the 18th century otherwise for the purposes of their work. For example, the "short" 18th century may be defined as 1715–1789, denoting the period of time between the death of Louis XIV of France and the start of the French Revolution, with an emphasis on directly interconnected events. To historians who expand ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People From Carcassonne
A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its use as a plural form of per ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1785 Deaths
Events January–March * January 1 – The first issue of the ''Daily Universal Register'', later known as ''The Times'', is published in London. * January 7 – Frenchman Jean-Pierre Blanchard and American John Jeffries travel from Dover, England to Calais, France in a hydrogen gas balloon, becoming the first to cross the English Channel by air. * January 11 – Richard Henry Lee is elected as President of the U.S. Congress of the Confederation.''Harper's Encyclopaedia of United States History from 458 A. D. to 1909'', ed. by Benson John Lossing and, Woodrow Wilson (Harper & Brothers, 1910) p167 * January 20 – Battle of Rạch Gầm-Xoài Mút: Invading Siamese forces, attempting to exploit the political chaos in Vietnam, are ambushed and annihilated at the Mekong River, by the Tây Sơn. * January 27 – The University of Georgia in the United States is chartered by the Georgia General Assembly meeting in Savannah. The first students are admi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1713 Births
Events January–March * January 17 – Tuscarora War: Colonel James Moore leads the Carolina militia out of Albemarle County, North Carolina, in a second offensive against the Tuscarora. Heavy snows force the troops to take refuge in Fort Reading, on the Pamlico River. * February 1 – Skirmish at Bender, Moldova: Charles XII of Sweden is defeated by the Ottoman Empire. * February 4 – Tuscarora War: The Carolina militia under Colonel James Moore leaves Fort Reading, to continue the campaign against the Tuscarora. * February 25 – Frederick William I of Prussia begins his reign. * March 1 – Tuscarora War: Colonel James Moore's Carolina militia lays siege to the Tuscaroran stronghold of Fort Neoheroka, located a few miles up Contentnea Creek from Fort Hancock. * March 20 – Tuscarora War: Colonel James Moore's Carolina militia launches a major offensive against Fort Neoheroka. * March 23 – Tuscarora War: Fort Neoheroka falls to th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nicolas De Condorcet
Marie Jean Antoine Nicolas de Caritat, Marquis of Condorcet (; 17 September 1743 – 29 March 1794), known as Nicolas de Condorcet, was a French philosopher and mathematician. His ideas, including support for a liberal economy, free and equal public instruction, constitutional government, and equal rights for women and people of all races, have been said to embody the ideals of the Age of Enlightenment, of which he has been called the "last witness," and Enlightenment rationalism. He died in prison after a period of hiding from the French Revolutionary authorities. Early years Condorcet was born in Ribemont (in present-day Aisne), descended from the ancient family of Caritat, who took their title from the town of Condorcet in Dauphiné, of which they were long-time residents. Fatherless at a young age, he was taken care of by his devoutly religious mother who dressed him as a girl till age eight. He was educated at the Jesuit College in Reims and at the ''Collège de Navarre'' i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
De Gua's Theorem
__NOTOC__ In mathematics, De Gua's theorem is a three-dimensional analog of the Pythagorean theorem named after Jean Paul de Gua de Malves. It states that if a tetrahedron has a right-angle corner (like the corner of a cube), then the square of the area of the face opposite the right-angle corner is the sum of the squares of the areas of the other three faces: A_^2 = A_^2+A_^2+A_^2 Generalizations The Pythagorean theorem and de Gua's theorem are special cases () of a general theorem about ''n''-simplices with a right-angle corner, proved by P. S. Donchian and H. S. M. Coxeter in 1935. This, in turn, is a special case of a yet more general theorem by Donald R. Conant and William A. Beyer (1974), which can be stated as follows. Let ''U'' be a measurable subset of a ''k''-dimensional affine subspace of \mathbb^n (so k \le n). For any subset I \subseteq \ with exactly ''k'' elements, let U_I be the orthogonal projection of ''U'' onto the linear span of e_, \ldots, e_, where I = ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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