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First page of "La dioptrique" by René Descartes. La dioptrique (in English Dioptrique, Optics, or Dioptrics) is a short treatise by René Descartes. It was published in 1637 included in one of the Essays written with Discourse on the Method. In this essay Descartes uses various models to understand the properties of light.
The Brown Dog affair brings anti-vivisection to the forefront of public debate in the UK. [13] England 1928: The Criminal Code of 1928 is the first Spanish law to incriminate abuse of domestic animals in general. [12] Spain 1944: Donald Watson coins the word "vegan" and founds The Vegan Society in the UK. [24] England 1950
In mathematics, Descartes' rule of signs, described by René Descartes in his La Géométrie, counts the roots of a polynomial by examining sign changes in its coefficients. The number of positive real roots is at most the number of sign changes in the sequence of polynomial's coefficients (omitting zero coefficients), and the difference ...
The curve was first proposed and studied by René Descartes in 1638. [1] Its claim to fame lies in an incident in the development of calculus.Descartes challenged Pierre de Fermat to find the tangent line to the curve at an arbitrary point since Fermat had recently discovered a method for finding tangent lines.
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Descartes (French pronunciation: ⓘ) is a large village and commune in the Indre-et-Loire department in central France.It is approximately 29 kilometers east of Richelieu and about 48 kilometers east of Loudun, on the banks of the Creuse River, near the border of the French department of Vienne, and the border of the region between Centre-Val de Loire and Nouvelle-Aquitaine.
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Until 2019, Customs Handling of Import & Export Freight (CHIEF) is the computer system of the United Kingdom's revenue and customs services, HMRC, used for managing the declaration and movement of goods into and out of the United Kingdom and allowing UK traders to communicate with counterpart customs systems in the other member states of the European Union.