El chapo in US,kwisha yeye

http://www.nation.co.ke/news/world/Mexico-El-Chapo-extradited-US/1068-3620256-t4o3qg/index.html

Mexico bribes Trump by extraditing El Chapo

Hakuna kitu ya maana ushai post.

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Hii story tulipewa na gavana @uwesmake wakati wa nuhu( Noah)

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Hii tuliona jana kabla tulale

haki hii ilinipita…with all the cash he made through drugs…enyeweya mtoni hurudi tu mtoni

[SIZE=6]Watu wa CCT, lecture za Namwamba ama Wambari. Mnakumbuka zile meditiation I & II stuff…


René Descartes[/SIZE]
[SIZE=4]Born: 31 March 1596 in La Haye (now Descartes),Touraine, France
Died: 11 February 1650 in Stockholm, Sweden[/SIZE]
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René Descartes was a philosopher whose work, La Géométrie, includes his application of algebra to geometry from which we now have Cartesian geometry.
Ren√© Descartes‚Äô parents were Joachim Descartes (1563-1640) and Jeanne Brochard (1566-1597). Joachim, the son of the medical doctor Pierre Descartes (1515-1566), studied law and was a counsellor in the Parliament of Brittany which sat at Rennes. Jeanne was the daughter of the military man Ren√© Brochard who formed part of the garrison stationed at Poitiers. One of Jeanne‚Äôs brothers, also named Ren√© Brochard, became one of Ren√© Descartes‚Äô two godfathers; Ren√© Descartes was named after his godfather Ren√© Brochard. Jeanne‚Äôs widowed mother, Jeanne Sain Brochard, lived at La Haye, near Tours, and it was in her home that Ren√© was born. Joachim and Jeanne Descartes were married on 15 January 1589 and lived at Ch√Ętellerault. They had two surviving children older than Ren√©, a girl named Jeanne (born 1590) and a boy named Pierre (born 1591). Ren√© was baptised in the Roman Catholic Church of Saint George in La Haye when he was four days old. His mother died in childbirth a year after he was born and the boy, born at the time of her death, also died. At this time, Ren√© was sent back to his grandmother‚Äôs home in La Haye where he was cared for by Jeanne Sain Brochard. Joachim Descartes remarried in 1600 to Anne Morin and they had a boy named Joachim (born 1602) and a girl named Anne (born 1611). Ren√© therefore had a older brother and an older sister, as well as a younger half-brother and younger half-sister. He did not return to live with his father and step-mother, however, but continued living with his grandmother at La Haye. Now Ren√©‚Äôs health was poor when he was a child. Throughout his childhood, up to his twenties, he was pale and had a persistent cough which was probably due to tuberculosis. It seems likely that he inherited these health problems from his mother.

Descartes was educated at the Jesuit college of La Flèche in Anjou. He entered the college at Easter 1607 at the age of eleven years where he became a boarder. [There is some uncertainty here, with some biographers claiming that he entered the College two years earlier.] The college had opened in January 1604 so was a comparatively new school. He studied there taking courses in classics, logic and traditional Aristotelian philosophy. He also learnt mathematics from the books of Clavius, while studying all the branches of mathematics, namely arithmetic, geometry, astronomy and music. While in the school his health was poor and, instead of rising at 5 a.m. like the other boys, he was granted permission to remain in bed until 11 o’clock in the morning, a custom he maintained until the year of his death. In his final years at the school he studied natural philosophy, metaphysics and ethics. He left the La Flèche College in 1614. School had made Descartes understand how little he knew, the only subject which was satisfactory in his eyes was mathematics. This idea became the foundation for his way of thinking, and was to form the basis for all his works.

See Descartes’ own words describing his schooling at THIS LINK.

Comparatively little is known of Descartes’ life between 1614 and 1618. He spent a while in Paris, apparently keeping very much to himself, and some have speculated that he might have suffered some sort of a breakdown at this time. Then he studied at the University of Poitiers, receiving a law degree from Poitiers in 1616. He took the law degree to comply with his father’s wishes but he quickly decided that this was not the path he wanted to follow. He wrote in Discourse on the Method:-

I entirely abandoned the study of letters, resolving to seek no knowledge other than that which could be found in myself or else in the great book of the world. I spent the rest of my youth travelling, visiting courts and armies, mixing with people of diverse temperaments and ranks, gathering various experiences, testing myself in the situations which fortune offered me, and at all times reflecting on whatever came my way so as to derive some profit from it.He may have returned to Paris before he enlisted in the military school at Breda in 1618, becoming a volunteer in the army of Maurice of Nassau. While in Breda his formal study was of military engineering but he started studying mathematics and mechanics under the Dutch scientist Isaac Beeckman, and began to seek a unified science of nature. Advised by Beeckman, he began considering mechanical problems. While in Holland, he wrote to Beeckman in March 1619 about his new ideas:-
[I want to promote a][I] completely new science by which all questions in general may be solved that can be proposed about any kind of quantity, continuous as well as discrete. But each according to its own nature. … In arithmetic, for instance, some questions can be solved by THIS LINK.

While serving Maximilian of Bavaria, Descartes was present as an official observer with the Catholic League at the Battle of the White Mountain near Prague in November 1620. After this he left the army but since the plague was ravaging in Paris he could not return there but instead began a period of travel.

From 1620 to 1628 Descartes travelled through Europe, spending time in Bohemia (1620), Hungary (1621), Germany, Holland and France (1622-23). He spent time in 1623 in Paris where he made contact with Marin Mersenne, an important contact which kept him in touch with the scientific world for many years, and with Claude Mydorge. From Paris he travelled through Switzerland to Italy where he spent some time in Venice and in Rome, then he returned to France again (1625). He renewed his acquaintance with Mersenne and Mydorge, and met Girard Desargues. His Paris home became a meeting place for philosophers and mathematicians and steadily became more and more busy. By 1628 Descartes, tired of the bustle of Paris, the house full of people, and of the life of travelling he had before, decided to settle down where he could work in solitude. He gave much thought to choosing a country suited to his nature and he chose Holland. What he longed for was somewhere peaceful where he could work away from the distractions of a city such as Paris yet still have access to the facilities of a city. It was a good decision which he did not seem to regret over the next twenty years. He told Mersenne where he was living so that he might keep in touch with the mathematical world, but otherwise he kept his place of residence a secret.

Soon after he settled in Holland, Descartes began work on his first major treatise on physics, Le Monde, ou Traité de la Lumière. He wrote to Mersenne in October 1629:-

[The foundations of physics] is the topic which I have studied more than any other and in which, thank God, I have not altogether wasted my time. At least I think that I have found how to prove metaphysical truths in a manner which is more evident than the proofs of geometry - in my opinion, that is: I do not know if I shall be able to convince others of it. During my first nine months in this country I worked on nothing else.This work was near completion when news that Galileo was condemned to house arrest reached him. He, perhaps wisely, decided not to risk publication and the work was published, only in part, after his death. He explained later his change of direction saying:-
… in order to express my judgement more freely, without being called upon to assent to, or to refute the opinions of the learned, I resolved to leave all this world to them and to speak solely of what would happen in a new world, if God were now to create … and allow her to act in accordance with the laws He had established.For Descartes’ own description of the contents of Le Monde, ou Traité de la Lumière see THIS LINK.
In Holland, Descartes had a number of scientific friends as well as continued contact with Mersenne. His friendship with Beeckman continued and he also had contact with Mydorge, Hortensius, Huygens and Frans van Schooten (the elder). Langer [Mersenne saying:-
I have tried in my ‚ÄúDioptrique‚ÄĚ and my ‚ÄúM√©t√©ores‚ÄĚ to show that my M√©thode is better than the vulgar, and in my ‚ÄúG√©om√©trie‚ÄĚ to have demonstrated it.The work describes what Descartes considers is a more satisfactory means of acquiring knowledge than that presented by Aristotle‚Äôs logic. Only mathematics, Descartes feels, is certain, so all must be based on mathematics.
La Dioptrique is a work on optics and, although Descartes does not cite previous scientists for the ideas he puts forward, in fact there is little new. However his approach through experiment was an important contribution.

Les Météores is a work on meteorology and is important in being the first work which attempts to put the study of weather on a scientific basis. However many of Descartes’ claims are not only wrong but could have easily been seen to be wrong if he had done some easy experiments. For example Roger Bacon had demonstrated the error in the commonly held belief that water which has been boiled freezes more quickly. However Descartes claims:-

… and we see by experience that water which has been kept on a fire for some time freezes more quickly than otherwise, the reason being that those of its parts which can be most easily folded and bent are driven off during the heating, leaving only those which are rigid.Despite its many faults, the subject of meteorology was set on course after publication of Les Météores particularly through the work of Boyle, Hooke and Halley.
La Géométrie is by far the most important part of this work. In [THIS LINK.

Some ideas in La Géométrie may have come from earlier work of Oresme but in Oresme’s work there is no evidence of linking algebra and geometry. Wallis in Algebra (1685) strongly argues that the ideas of La Géométrie were copied from Harriot. Wallis writes:-

… the Praxis was read by Descartes, and every line of Descartes’ analysis bears token of the impression.There seems little to justify Wallis’s claim, which was probably made partly through patriotism but also through his just desires to give Harriot more credit for his work. Harriot’s work on equations, however, may indeed have influenced Descartes who always claimed, clearly falsely, that nothing in his work was influenced by the work of others.
Descartes’ Meditations on First Philosophy, was published in 1641, designed for the philosopher and for the theologian. It consists of six meditations, Of the Things that we may doubt, Of the Nature of the Human Mind, Of God: that He exists, Of Truth and Error, Of the Essence of Material Things, Of the Existence of Material Things and of the Real Distinction between the Mind and the Body of Man. However many scientists were opposed to Descartes’ ideas including Arnauld, Hobbes and Gassendi.

The most comprehensive of Descartes’ works, Principia Philosophiae was published in Amsterdam in 1644. In four parts, The Principles of Human Knowledge, The Principles of Material Things, Of the Visible World and The Earth, it attempts to put the whole universe on a mathematical foundation reducing the study to one of mechanics. This is an important point of view and was to point the way forward. Descartes did not believe in action at a distance. Therefore, given this, there could be no vacuum around the Earth otherwise there was no way that forces could be transferred. In many ways Descartes’ theory, where forces work through contact, is more satisfactory than the mysterious effect of gravity acting at a distance. However Descartes’ mechanics leaves much to be desired. He assumes that the universe is filled with matter which, due to some initial motion, has settled down into a system of vortices which carry the sun, the stars, the planets and comets in their paths. Despite the problems with the vortex theory it was championed in France for nearly one hundred years even after Newton showed it was impossible as a Newton’s 19th century biographers, puts it:-

Thus entrenched as the Cartesian system was ‚Ķ it was not to be wondered at that the pure and sublime doctrines of the ‚ÄėPrincipia‚Äô were distrustfully received ‚Ķ The uninstructed mind could not readily admit the idea that the great masses of the planets were suspended in empty space, and retained their orbits by an invisible influence ‚ĶPleasing as Descartes‚Äô theory was, even the supporters of his natural philosophy such as the Cambridge metaphysical theologian Henry More, found objections. Certainly More admired Descartes, writing:-
I should look upon Des-Cartes as a man most truly inspired in the knowledge of Nature, than any that have professed themselves so these sixteen hundred years…However between 1648 and 1649 they exchanged a number of letters in which More made some telling objections. Descartes however in his replies makes no concessions to More’s points. More went on to ask:-
Why are not your vortices in the form of columns or cylinders rather than ellipses, since any point of the axis of a vortex is as it were a centre from which the celestial matter recedes with, as far as I can see, a wholly constant impetus? … Who causes all the planets not to revolve in one plane (the plane of the ecliptic)? … And the Moon itself, neither in the plane of the Earth’s equator nor in a plane parallel to this?In 1644, the year his Meditations were published, Descartes visited France. He returned again in 1647, when he met Pascal and argued with him that a vacuum could not exist, and then again in 1648.
In 1649 Queen Christina of Sweden persuaded Descartes to go to Stockholm. However the Queen wanted to draw tangents at 5 a.m. and Descartes broke the habit of his lifetime of getting up at 11 o’clock. After only a few months in the cold northern climate, walking to the palace for 5 o’clock every morning, he died of pneumonia.

After his death an unfinished manuscript entitled Regulae ad directionem ingenii was found in his papers. Only the first 21 of the Rules were presented, the last three being only given by their intended titles. Sadly, the original manuscript has been lost and only copies remain. Here is a short extract from the manuscript:-

I would not value these Rules so highly if they were good only for solving those pointless problems with which arithmeticians and geometers are inclined to while away their time, for in that case all I could credit myself with achieving would be to dabble in trifles with greater subtlety than they. I shall have much to say below about figures and numbers, for no other disciplines can yield illustrations as evident and certain as these. But if one attends closely to my meaning, one will readily see that ordinary mathematics is far from my mind here, that it is quite another discipline I am expounding, and that these illustrations are more its outer garments than its inner parts. This discipline should contain the primary rudiments of human reason and extend to the discovery of truths in any field whatever. Frankly speaking, I am convinced that it is a more powerful instrument of knowledge than any other with which human beings are endowed, as it is the source of all the rest.We should end this biography by saying a little more about Descartes as a person. In [Bertrand Russell writes [List of References (184 books/articles)

Some Quotations (18)

A Poster of René Descartes

Mathematicians born in the same country

Additional Material in MacTutor

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[ul][li]Descartes reflects on his schooling[/ul][/li][ul][li]Descartes‚Äô Method[/ul][/li][ul][li]Descartes‚Äô ‚ÄėLe Monde, ou Trait√© de la Lumi√®re‚Äô[/ul][/li][ul][li]Descartes‚Äô ‚ÄėLa G√©om√©trie‚Äô[/ul][/li][ul][li]Ren√© Descartes on the History of Mathematics[/ul][/li][ul][li]Obituary: Aubrey‚Äôs Brief Lives[/ul][/li][ul][li]Descartes‚Äô geometric solution of a quadratic equation[/ul]
[/li][/ol]
[I]Honours awarded to René Descartes
(Click below for those honoured in this way)

  1. Lunar features Crater Descartes
  2. Biography in Aubrey’s [I]Brief Lives[/I]
  3. Paris street names Rue Descartes ( 5th Arrondissement)
  4. Popular biographies list Number 16
    Cross-references in MacTutor

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[ul][li]History Topics: Topology in mathematics[/ul][/li][ul][li]History Topics: Beginnings of set theory[/ul][/li][ul][li]History Topics: Quadratic etc equations[/ul][/li][ul][li]History Topics: Perfect numbers[/ul][/li][ul][li]History Topics: The fundamental theorem of algebra[/ul][/li][ul][li]History Topics: An overview of the history of mathematics[/ul][/li][ul][li]History Topics: The rise of the calculus[/ul][/li][ul][li]History Topics: Abstract linear spaces[/ul][/li][ul][li]History Topics: Matrices and determinants[/ul][/li][ul][li]History Topics: A history of time: Classical time[/ul][/li][ul][li]History Topics: Light through the ages: Ancient Greece to Maxwell[/ul][/li][ul][li]History Topics: Theories of gravitation[/ul][/li][ul][li]History Topics: The mathematician and the forger[/ul][/li][ul][li]History Topics: The function concept[/ul][/li][ul][li]Famous Curves: Cartesian ovals[/ul][/li][ul][li]Famous Curves: Cycloid[/ul][/li][ul][li]Famous Curves: Equiangular spiral[/ul][/li][ul][li]Famous Curves: Folium of Descartes[/ul][/li][ul][li]Famous Curves: Trident of Newton[/ul][/li][ul][li]Chronology: 1625 to 1650[/ul][/li][ul][li]Famous Curves: Hyperbolic Spiral[/ul]
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Other Web sites

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[ul][li]Encyclopaedia Britannica[/ul][/li][ul][li]Astroseti (A Spanish translation of this biography)[/ul][/li][ul][li]The Galileo Project[/ul][/li][ul][li]Bellevue College USA[/ul][/li][ul][li]Rouse Ball[/ul][/li][ul][li]The Catholic Encyclopedia[/ul][/li][ul][li]Internet Encyclopedia of Philosophy[/ul][/li][ul][li]Stanford Encyclopedia of Philosophy[/ul][/li][ul][li]Google books[/ul][/li][ul][li]H K Strick[/ul][/li][ul][li]Mathematical Genealogy Project[/ul][/li][ul][li]MathSciNet Author profile[/ul]
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[I]Main Index Biographies index
JOC/EFR © November 2014
School of Mathematics and Statistics
University of St Andrews, Scotland http://www-groups.dcs.st-and.ac.uk/~history/Diagrams/crest.gif
The URL of this page is:
http://www-history.mcs.st-andrews.ac.uk/Biographies/Descartes.html

#Reinstate @Jigranny[/I]

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This guy!:D:D:D:D:D:D:D:D

I am starting to think you are troll. Smooth troll.

Either way you have a small penis.

how do you wake up in the morning and the first thing you think of is penis size of your fellow villager…regardless of the size you had last night…its too early, get a dildo

It turns out you are just dumb and not some diabolical master troll… Wait, if I was a troll that is exactly what I would want people to think… mhhhh

Right now the only thing I can be sure of is that you have a small penis.

Achana tu na yeye…he vividly explained the other day mahali shida yake iko…its not his fault

are you sure you have seen todays daily nation coz, hio ndiyo headline…and you sure you know who is El Chapo are you sure you know the history behind the guy???i think you are the troll

Ilikuwa kwa comment…ni vile alilelewa tu

imagine you dont have to tell us that you thought el chapo is a cousin to chapati madondo …get a dude called @imei2012 .he saw this one coming, he took us through he life of the gentleman, but shida nikwamba you are still a goat

tuliona when assnall was on top of the table for two hours

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hii tuliona b4 vera sidika atoe tint

Tulikuwa na Uwes mzito Trump akiplan vile Chapo atakaliwa

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hii tuliona before ukulwe mkia na punda naivasha , na nili predict hii story november shenji .

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