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Topic: Augustus De Morgan


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In the News (Sun 23 Jun 19)

  
  DE MORGAN - LoveToKnow Article on DE MORGAN   (Site not responding. Last check: 2007-10-22)
De Morgans writings, however excellent, give little idea of the perspicuity and elegance of his viva voce expositions, which never failed to fix the attention of all who were worthy of hearing him.
De Morgans other principal mathematical works were The Elements of Algebra (1835), a valuable but somewhat dry elementary treatise; the Essay on Probcfbilities (5838), forming the io7th volume of Lardners Cyclopaedia, which forms a valuable introduction to the subject; and The Elements of Trigonometry and Trigonometrical Analysis, preliminary to the Differential Calculus (5837).
In 1860 De Morgan endeavoured to render their contents better known by publishing a Syllabus of a Proposed System of Logic, from which may be obtained a good idea of his symbolic system, but the more readable and interesting discussions contained in the memoirs are of necessity omitted.
www.1911encyclopedia.org /D/DE/DE_MORGAN.htm   (5165 words)

  
 An eye for method: Augustus De Morgan and mathematical education
Augustus De Morgan was born in 1806 in Madura to a colonel in the Indian Army, who brought his family back to England within months of the child’s birth.
De Morgan confined his involvement in societies to two organisations: the Society for the Diffusion of Useful Knowledge (SDUK), which gave him his main venue for educational writing; and the Royal Astronomical Society, of which he was secretary for a time and for whom he wrote several historical articles.
De Morgan’s book is a quite important source for this change in Britain, in what amounted to a second reform of the calculus; but it proceeded much more gradually than had the putsch of the Analytical Society.
w4.ed.uiuc.edu /faculty/westbury/Paradigm/grattan_guiness.html   (1755 words)

  
 Augustus De Morgan
De Morgan's other principal mathematical works were The Elements of Algebra (1835), a valuable but somewhat dry elementary treatise; the Essay on Probabilities (1838), forming the 107th volume of Lardner's Cyclopaedia, which forms a valuable introduction to the subject; and The Elements of Trigonometry and Trigonometrical Analysis, preliminary to the Differential Calculus (1837).
De Morgan expressly draws attention to the fact that the plan of this book was that of L. Francoeur and J. Ferguson, but the plan was developed by one who was an unrivalled master of all the intricacies of chronology.
De Morgan's library was purchased by Lord Overstone, and presented to the university of London.
www.nndb.com /people/437/000097146   (2394 words)

  
 De Morgan
Augustus De Morgan was born in India as his father was at the time a Lieutenant Colonel stationed in Madras.
De Morgan was made the first professor of mathematics at the University College.
De Morgan's main work was on recognising the purely symbolic nature of algebra and on the introduction of De Morgan's laws.
www.mathsisgoodforyou.com /people/demorgan.htm   (246 words)

  
 Compution Theory, 110CSC205
De Morgan was the first professor of Mathematics at University College, London and a founder of the London Mathematical Society.
De Morgan entered Trinity College Cambridge in 1823 at the age of 16 where he was taught by Peacock and Whewell - the three became lifelong friends.
De Morgan was always interested in odd numerical facts and writing in 1864 he noted that he had the distiction of being x years old in the year x*x.
www.cs.qub.ac.uk /~D.Gault/csc205/reading/demorgan.html   (840 words)

  
 De Morgan, Augustus (1806-1871)
De Morgan lost the sight of his right eye shortly after birth, entered Trinity College, Cambridge, at the age of 16, and received his B.A. However, he objected to a theological test required for the M.A. and returned to London to study for the Bar.
De Morgan coined the phrase "universe of discourse," was the first person to define and name mathematical induction, and developed a set of rules to determine the convergence of a mathematical series.
De Morgan was also deeply interested in the history of mathematics.
www.daviddarling.info /encyclopedia/D/De_Morgan.html   (439 words)

  
 About William De Morgan
In 1859 De Morgan was admitted to the Royal Academy Schools and studied alongside Frederick Walker and Simeon Solomon, who remarked on this "entirely uncommonplace young man; tall, thin, high forehead, aquiline nose and high squeaky voice" - which earned him the nickname "Mouse".
De Morgan, alongside his partner, the architect Halsey Ricardo, continued work until 1907 but with dwindling success and ill health, he spent much of the year in Florence, Italy with his wife.
There were many other sides to De Morgan's talents; he designed and made pottery kilns and equipment; sketched ideas for grinding mills and sieves to be used in his workshops; was a knowledgeable chemist; worked on a new gearing system for bicycles; developed telegraph codes and evolved his own system of accounts.
www.demorgan.org.uk /biogs/will_dm.htm   (422 words)

  
 Garrett A. Morgan - Biography   (Site not responding. Last check: 2007-10-22)
Morgan came of age at a time when the United States was struggling to rid itself of the institutionalized racism which remained even after slavery was abolished in 1863.
Morgan's commitment to fighting racial prejudice was demonstrated by his membership and service as an officer in the Cleveland Association of Colored Men.
Morgan remained a member of the NAACP until his death at the age of 86, on August 27, 1963.
www.fhwa.dot.gov /gama/gamlife.htm   (1259 words)

  
 PlanetMath: de Morgan's laws   (Site not responding. Last check: 2007-10-22)
In set theory, de Morgan's laws relate the three basic set operations to each other; the union, the intersection, and the complement.
Not surprisingly, de Morgan's laws form an indispensable tool when simplifying digital circuits involving and, or, and not gates [2].
This is version 11 of de Morgan's laws, born on 2002-02-20, modified 2003-08-06.
planetmath.org /encyclopedia/DeMorgansLaws.html   (186 words)

  
 A Note On Mr. De Morgan
De Morgan’s "laws," "rules" or "theorems" are, of course, merely logical equivalences and should always be identified as such.
The De Morgan logical equivalence denying the dot, ^(p.q), is demonstrated by the identity of the truth tables in column 6 and column 9.
The De Morgan logical equivalence denying the wedge, ^(p v q), is likewise demonstrated by the identity of the truth tables in columns 8 and 10.
www.apa.udel.edu /apa/archive/newsletters/v96n2/teaching/morgan.asp   (1593 words)

  
 Augustus De Morgan Biography / Biography of Augustus De Morgan World of Mathematics Biography
Augustus De Morgan entered the English mathematical scene during a period of inactivity and by the time of his death it had regained the stature it had since the time of Isaac Newton.
De Morgan was born in June 1806 in Madurai, a picturesque town in southern India.
De Morgan was educated at a series of private schools before enrolling at Trinity College, Cambridge, in 1823 and graduated as fourth wrangler.
www.bookrags.com /biography-augustus-de-morgan-wom   (276 words)

  
 Augustus De Morgan   (Site not responding. Last check: 2007-10-22)
De Morgan entered Trinity College Cambridge in 1823 at the age of 16.
He introduced De Morgan's laws and his greatest contribution is as a reformer of mathematical logic.
De Morgan was never a Fellow of the Royal Society, as he refused to let his name be put forward.
www.stetson.edu /~efriedma/periodictable/html/Md.html   (240 words)

  
 Demorgan
De Morgan Augustus De Morgan was born in Mandura, India, on June 27, 1806.
De Morgan also developed a decimal coinage system, an almanac of all the full moons from 2000 B.C. to 2000 A.D., and a theory on the probability of life events, which is used by insurance companies.
De Morgan felt that his students and other people studying math should learn about the history of the subject to be able to understand the topic more.
www.freeessays.cc /db/9/bqg66.shtml   (657 words)

  
 MODERN PHILOSOPHY: Unclassified Philosophers - 3
Augustus De Morgan (picture) made a number of important contributions to an algebra of logic, and his laws of the propositional calculus have been widely discussed.
De Morgan, who was admired for his "reading algebra like a novel," was an intimate friend of George Boole who shared his views on mathematics as well as those on religion and ethics.
It was led by Francesco De Sanctis (picture), then the director of a boys' school, who commanded and organized his pupils as a company of trained soldiers.
radicalacademy.com /adiphilunclassified2.htm   (2822 words)

  
 AIM25: Senate House Library, University of London: De Morgan family
He was the son of John De Morgan, a colonel in the Indian Army, and Elizabeth Dodson, the daughter of the mathematician Dodson.
Sophia De Morgan was born in 1809 in Blackfriars, London.
Wilhemina Stirling was the sister of Evelyn De Morgan, and after her sister's death in 1919 maintained a collection of De Morgan paintings, ceramics and archival material at Old Battersea House in London.
www.aim25.ac.uk /cats/14/1748.htm   (739 words)

  
 Garrett Morgan
Garrett Morgan was born on March 4, 1877 in Paris, Kentucky the seventh of 11 children born to Sydney and Elizabeth Morgan.
Morgan intended the device to be used "to provide a portable attachment which will enable a fireman to enter a house filled with thick suffocating gases and smoke and to breathe freely for some time therein, and thereby enable him to perform his duties of saving life and valuables without danger to himself from suffocation.
At that point, Morgan was honored by many influential people around him, including such tycoons as John D. Rockefeller and J.P. Morgan (after whom he named one of his sons.) Although his successes had brought him status and acclaim, Morgan never forgot that his fellow Blacks still suffered injustices and difficulties.
www.blackinventor.com /pages/garrettmorgan.html   (1073 words)

  
 De Morgan College   (Site not responding. Last check: 2007-10-22)
De Morgan College provides academically enriching courses and the opportunity to explore the unique heritage of London and savour the culture of the United Kingdom.
De Morgan College is set in the midst of a vibrant and culturally diverse capital that is one of the most exciting cities on Earth.
De Morgan College is a new college staffed by veterans with decades of experience in education, commerce and industry.
www.de-morgan.co.uk /index.php?tab=further   (4304 words)

  
 Garett Augustus Morgan
Morgan demonstrated the hood for numerous fire departments; in the South, he was forced to pose as an "Indian" assistant and hire a white man to pretend to be "Mr.
Morgan, still in his pajamas and robe (it was around three in the morning), quickly summoned his brother Frank and a neighbor and rushed to the scene with Morgan hoods.
Morgan tested the helmets at the scene, and realized that the pressure down in the tunnel might very well render them of little value, but descended anyway, accompanied by his brother Frank and a man with the (today notable) name of Tom Clancy.
www.ric.edu /rpotter/morgan.html   (978 words)

  
 Lafcadio Hearn + Augustus de Morgan
De Morgan was only 21 when he applied for the chair of mathematics at newly founded University College, London.
On principle, de Morgan refused Fellowship in the Royal Society and an honorary degree from the University of Edinburgh.
Augustus de Morgan was a Theist with an ethical appreciation of Christianity.
www.ronaldbrucemeyer.com /rants/0627almanac.htm   (524 words)

  
 About Garrett A. Morgan   (Site not responding. Last check: 2007-10-22)
The son of former slaves, Garrett A. Morgan was born in Paris, Kentucky on March 4, 1877.
Morgan's traffic management device was used throughout North America until it was replaced by the red, yellow and green-light traffic signals currently used around the world.
The Morgan gas mask was later refined for use by U.S. Army during World War I. In 1921, Morgan was awarded a patent for a Safety Hood and Smoke Protector.
education.dot.gov /aboutmorgan.html   (825 words)

  
 Who Made America? | Innovators | Garrett Augustus Morgan
Morgan's safety hood won accolades and wide adoption in the North, where over 500 cities bought it, over time.
Morgan's hood got great press in 1916, when he used it to save workers in a collapsed tunnel under Lake Erie.
Morgan died in 1963, vindicated as a hero of the Lake Erie rescue and restored to his place in history.
www.pbs.org /wgbh/theymadeamerica/whomade/morgan_hi.html   (460 words)

  
 Augustus De Morgan --¬† Encyclop√¶dia Britannica
English mathematician and logician whose major contributions to the study of logic include the formulation of De Morgan's laws and work leading to the development of the theory of relations and the rise of modern symbolic, or mathematical, logic.
Morgan Freeman's ability to deliver quality performances in a range of stage and screen roles made him one of the premiere actors of the late 20th century.
Biographical sketch of this English mathematician and logician who formulated De Morgan's laws and contributed to the development of the theory of relations and the rise of modern symbolic or mathematical logic.
www.britannica.com /eb/article-9029609   (741 words)

  
 Who was Augustus De Morgan?   (Site not responding. Last check: 2007-10-22)
Augustus De Morgan was a brilliant mathematician and professor noted for his advances in algebra and logic.
De Morgan was prolific and wrote such mathematical texts as Elements of Arithmetic (1830), Penny Cyclopedia (1838) where he coined the term 'mathematical induction', Trigonometry and Double Algebra (1849), a geometric interpretation of complex numbers, and Formal Logic (1847), one of his most important works.
De Morgan was an uncompromising advocate of religious liberty and free expression; while at Trinity College he would not sign required theological forms and was therefore not allowed to continue with his graduate eduation and fellowship.
www.demorgan.com /demorgan.htm   (276 words)

  
 The Tribune - Windows - Mind games
"Augustus De Mogran was 43 years’ old in 1849 because no other year in the 19th century is a perfect square (1849 is the square of 43)," says Deepinder Singh.
Augustus De Morgan was a friend of Babbage and he also gave private tuitions to Ada Lovelace, so, maybe, it was he who brought the two together and sparked off the computer revolution.
De Morgan loved libraries, where he would spend hours in heat and dust and would have continued to do so even if he had the Internet for help.
www.tribuneindia.com /2003/20030607/windows/mind.htm   (418 words)

  
 De Morgan Library Project
A project is now underway to promote access to the De Morgan Library, one of the two foundation collections of the University of London.
Augustus De Morgan (1806-1871) was the first Professor of Mathematics at University College London and one of the most respected British mathematicians of the nineteenth century.
In addition to writing on almost every aspect of pure mathematics, he was responsible for the De Morgan theory of relations (1847) and the De Morgan Index (a metric of complexity).
www.ull.ac.uk /historic/projects/demorganproject.shtml   (364 words)

  
 Garrett Augustus Morgan: American Inventor - EnchantedLearning.com
Garrett Augustus Morgan (March 4, 1877 - August 27, 1963), was an African-American inventor and businessman.
Morgan was born in Paris, Kentucky, and was the son of former slaves (and the 7th of their 11 children).
Morgan patented a traffic signal on November 20, 1923 (U.S. patent No. 1,475,024, issued in 1923) - this was the first traffic signal patented, but not the first invented.
www.enchantedlearning.com /inventors/page/m/morgan.shtml   (419 words)

  
 History of the LMS   (Site not responding. Last check: 2007-10-22)
In fact this was meant to be the first proper meeting of the Society but Augustus De Morgan was ill and could not attend.
At the 16 January 1865 meeting the chair was taken by Augustus De Morgan who gave the first address setting out what the aims and practices of the Society should be.
It is worth noting that, except for De Morgan, who refused a Fellowship of the Royal Society, all presidents of the London Mathematical Society have been Fellows of the Royal Society of London.
physics.rug.ac.be /Fysica/Geschiedenis/Societies/LMShistory.html   (229 words)

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