21. De_Morgan Biography of augustus de morgan (18061871) augustus de morgan s father Johnwas a Lieutenant- Colonel who served in India. While he was stationed there http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/De_Morgan.html

Augustus De Morgan Born: 27 June 1806 in Madura, Madras Presidency, India (now Madurai, Tamil Nadu, India) Died: 18 March 1871 in London, England Click the picture above to see six larger pictures Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Version for printing Augustus De Morgan 's father John was a Lieutenant- Colonel who served in India. While he was stationed there his fifth child Augustus was born. Augustus lost the sight of his right eye shortly after birth and, when seven months old, returned to England with the family. John De Morgan died when Augustus was 10 years old. At school De Morgan did not excel and, because of his physical disability ... he did not join in the sports of other boys, and he was even made the victim of cruel practical jokes by some schoolfellows. 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. He received his BA but, because a theological test was required for the MA, something to which De Morgan strongly objected despite being a member of the Church of England, he could go no further at Cambridge being not eligible for a Fellowship without his MA. In 1826 he returned to his home in London and entered Lincoln's Inn to study for the Bar. In 1827 (at the age of 21) he applied for the chair of mathematics in the newly founded University College London and, despite having no mathematical publications, he was appointed.

22. Quotations By De_Morgan Quotations by augustus de morgan. Quotations by augustus de morgan. It iseasier to square the circle than to get round a mathematician. http://www-groups.dcs.st-and.ac.uk/~history/Quotations/De_Morgan.html

Quotations by Augustus De Morgan It is easier to square the circle than to get round a mathematician. Quoted in H Eves In Mathematical Circles (Boston 1969). Every science that has thriven has thriven upon its own symbols: logic, the only science which is admitted to have made no improvements in century after century, is the only one which has grown no symbols. Transactions Cambridge Philosophical Society , vol. X, 1864, p. 184. [When asked about his age.] I was x years old in the year x . In H. Eves In Mathematical Circles, Boston: Prindle, Weber and Schmidt, 1969. The moving power of mathematical invention is not reasoning but imagination. The imaginary expression a ) and the negative expression - b , have this resemblance, that either of them occurring as the solution of a problem indicates some inconsistency or absurdity. As far as real meaning is concerned, both are imaginary, since - a is as inconceivable as a Said in 1831 Imagine a person with a gift of ridicule [He might say] First that a negative quantity has no logarithm; secondly that a negative quantity has no square root; thirdly that the first non-existent is to the second as the circumference of a circle is to the diameter. I don't quite hear what you say, but I beg to differ entirely with you.

23. De Morgan, Augustus (1806-1871) -- From Eric Weisstein's World Of Scientific Bio Rice, A. What Makes a Great Mathematics Teacher? The Case of augustus de morgan. Amer. Math. Monthly 106, 534552, 1999. © Eric W. Weisstein http://scienceworld.wolfram.com/biography/deMorgan.html

Branch of Science Mathematicians Nationality English de Morgan, Augustus (1806-1871) Mathematician who labored to strengthen the logical basis of mathematics. He laid the groundwork of his friend Boole's work on symbolic logic. Additional biographies: MacTutor (St. Andrews) References de Morgan, A. A Budget of Paradoxes, 2nd ed., 2 vols. Freeport, NY: Books for Libraries Press, 1969. Rice, A. "What Makes a Great Mathematics Teacher? The Case of Augustus De Morgan." Amer. Math. Monthly

24. De Morgan, Augustus. The Columbia Encyclopedia, Sixth Edition. 2001-05 de morgan, augustus. The Columbia Encyclopedia, Sixth Edition. 200105. http://www.bartleby.com/65/de/DeMorganA.html

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25. De Morgan, Augustus --  Encyclopædia Britannica de morgan, augustus English mathematician and logician whose major contributionsto the study of logic include the formulation of de morgan s laws and work http://www.britannica.com/eb/article-9029609

Home Browse Newsletters Store ... Subscribe Already a member? Log in Content Related to this Topic This Article's Table of Contents Augustus De Morgan Print this Table of Contents Shopping Price: USD $1495 Revised, updated, and still unrivaled. The Official Scrabble Players Dictionary (Hardcover) Price: USD $15.95 The Scrabble player's bible on sale! Save 30%. Merriam-Webster's Collegiate Dictionary Price: USD $19.95 Save big on America's best-selling dictionary. Discounted 38%! More Britannica products De Morgan, Augustus  Encyclopædia Britannica Article Page 1 of 1 Augustus De Morgan born , June 27, 1806, Madura, India died March 18, 1871, London, Eng. 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. De Morgan, Augustus...

26. Allmath.com - Math Site For Kids! Home Of Flashcards, Math de morgan, augustus. (180671). Mathematician, born in Madura, India. He studiedat Cambridge, and became the first professor of mathematics at University http://www.allmath.com/biosearch.php?QMeth=ID&ID=9362

27. Augustus De Morgan de morgan, augustus, du môr gun Pronunciation Key. de morgan, augustus , 1806–71,English mathematician and logician, b. India. http://www.factmonster.com/ce6/people/A0815137.html

Home U.S. People Word Wise ... Homework Center Fact Monster Favorites 2006 TFK Almanac Quiz: Charlie and the Chocolate Factory SpongeBob Lemony Snicket ... Fantasy Books Reference Desk Atlas Almanacs Dictionary Encyclopedia ... Encyclopedia De Morgan, Augustus [d u u n] Pronunciation Key De Morgan, Augustus Syllabus of a Proposed System of Logic (1860). His works include An Essay on Probabilities Formal Logic Trigonometry and Double Algebra (1849), and A Budget of Paradoxes The Columbia Electronic Encyclopedia, Page Tools: Cite Print More on Augustus De Morgan from Fact Monster: William Frend De Morgan symbolic logic - symbolic logic or mathematical logic,formalized system of deductive logic, employing abstract ... logic: Mathematics and Logic - Mathematics and Logic With the development of symbolic logic by George Boole and Augustus De Morgan ... See more Encyclopedia articles on: Mathematics: Biographies AD AD AD ADS Business Cards Link to Fact Monster Add Fact Monster search ... Privacy Brought to you by: Information Please

28. De Morgan, Augustus de morgan, augustus (18061871) de morgan was born in Madura (now Madurai),Tamil Nadu, India, and studied at Cambridge. He was the first professor of http://www.cartage.org.lb/en/themes/Biographies/MainBiographies/D/DeMorgan/1.htm

De Morgan, Augustus British mathematician who initiated and developed a theory of relations in logic. He devised a symbolism that could express such notions as the contradictory, the converse, and the transitivity of a relation, as well as the union of two relations. De Morgan was born in Madura (now Madurai), Tamil Nadu, India, and studied at Cambridge. He was the first professor of mathematics at University College, London, 1828-58. In his books Formal Logic 1847 and Syllabus of a Proposed System of Logic, De Morgan developed a logic of noun expressions. He also extended his syllogistic vocabulary using definitions, giving rise to new kinds of inferences, both direct (involving one premise) and indirect (involving two premises). He was thus able to work out purely structural rules for transforming a premise or pair of premises into a valid conclusion.

29. Augustus De Morgan Translate this page augustus de morgan Seite aus einem deutschsprachigen Online-Philosophenlexikon. http://www.philosophenlexikon.de/demorgan.htm

Begriffe Abaelard - Ayer Baader - Byron Cabanis - Czezowski Ebbinghaus - Ewald ... Frauen in der Philosophie Diskussion PhilTalk Philosophieforen Andere Lexika PhilLex -Lexikon der Philosophie Lexikon der griechischen Mythologie PhiloThek Bibliothek der Klassiker Zeitschriftenlesesaal Nachschlagewerke Allgemeine Information ... Dokumentenlieferdienste Spiele Philosophisches Galgenraten PhilSearch.de Shops PhiloShop PhiloShirt Service Kontakt Impressum eMail Augustus de Morgan (1806 - 1871) Der schottische Mathematiker und Logiker Theorie der Relationen Urteile der traditionellen Logik, als auch mit mehrstelligen Relationen. De Morgan formulierte wichtige der Aussagen- und der Klassenlogik. Nach de Morgan sind die de Morganschen Regeln benannt worden, die allerdings schon im 16. Jahrhundert vom indischen Logiker Siroman Raghunatha angewendet wurden. powered by Uwe Wiedemann

30. Arts: Literature: Authors: D: De Morgan, Augustus - Open Site Arts Literature Authors D de morgan, augustus Open Site. http://open-site.org/Arts/Literature/Authors/D/De_Morgan,_Augustus/

Open Site The Open Encyclopedia Project home submit content become an editor the entire directory only in D/De_Morgan,_Augustus Top Arts Literature Authors ... D : De Morgan, Augustus Biography DE MORGAN, AUGUSTUS (1806-1871). —Mathematician, b. in India, and ed. at Camb., was one of the most brilliant of English mathematicians. He is mentioned here in virtue of his Budget of Paradoxes, a series of papers originally pub. in The Athen¦um, in which mathematical fallacies are discussed with sparkling wit, and the keenest logic. This category needs an editor - apply here Open Site Code 0.5.3 robot company. Visit our sister sites dmoz.org mozilla.org chefmoz.org musicmoz.org ... edit

31. Athenaeum Index: Contributor Record. Research Notes See de morgan, augustus ? for reviews probably attributable tothis contributor. Research Notes Obituary published in the Athenaeum, http://web.soi.city.ac.uk/~asp/v2/contributors/contributorfiles/DEMORGAN,Augustu

Contributor: DE MORGAN, Augustus Biographical Details: Dates: Source of Characteristics: DNB Characteristics: Professor of Mathematics at University College, London Source of Characteristics: Athenaeum Characteristics: Contributed on a wide range of subjects, including astronomy, mathematics (especially geometry), science, religion, the history of science, philosophy, enyclopaedias and medicine. Research Notes: See DE MORGAN, Augustus ? for reviews probably attributable to this contributor. Research Notes: Obituary published in the Athenaeum, March 25 1871. Mark: DE MORGAN Add your annotation to this record. The following reviews have been identified as being written by this contributor: 1859. - Memoir of the Life and Labours of the Rev. Jeremiah Horrox 2198 (December 11,1869) 1869. - The Transit of Venus across the Sun 2198 (December 11,1869) The ABC of Thought 1787 (January 25,1862) Abstract Log, for the Use of American Navigations 1132 (July 7,1849) Academic Reform and University Representation 1713 (August 25,1860) An Account of the Aurora Borealis seen near Cambridge, October 24, 1837

32. Athenaeum Index: Contributor Record. Biographical details, Research Notes Please see de morgan, augustus for completebiographical details. Mark de morgan? (Illegible) http://web.soi.city.ac.uk/~asp/v2/contributors/contributorfiles/DEMORGAN,Augustu

Contributor: DE MORGAN, Augustus ? Biographical Details: Research Notes: Please see DE MORGAN, Augustus for complete biographical details. Mark: DE MORGAN? (Illegible) Add your annotation to this record. The following reviews have been identified as being written by this contributor: An Inquiry into the Nature of Induction 1061 (February 26,1848) On the Heat of Vapour, and on Atmospherical Refractions 694 (February 13,1841) The Syllogism considered as an Analysis of the Reasoning Process 1061 (February 26,1848) Main Page Search Screen Browse Menu Bulletin Board ... Help

33. DE MORGAN, Augustus., An Essay On Probabilities And On Their Application To Life Small 8vo engraved titlepage with vignette, xviii, 306, xl pp; untrimmed andpartly unopened. Original brown cloth, gilt lettering to spine, http://www.polybiblio.com/tabooks/BOOKS055584.html

Rachel Lee Rare Books (formerly Thoemmes) DE MORGAN, Augustus. Small 8vo: engraved title-page with vignette, xviii, 306, xl pp; untrimmed and partly unopened. Original brown cloth, gilt lettering to spine, slightly frayed at top and bottom of spine, otherwise a good copy. First edition. . "De Morgan's conception of probability was largely derived from Laplace, whose ideas (and errors) he was thus instrumental in propagating among his nineteenth-century successors. His method of approach was to construe the theory as an extension of formal logic, that is, as an investigation of the rules whereby propositions not absolutely certain affect the certainty of other propositions with which they are connected." P.L. Heath in "The Encyclopedia of Philosophy". " .... the theory of probabilities, I take to be the unknown God which the schoolmen ignorantly worshipped." (De Morgan in "Formal Logic", 1847). Goldsmiths' 30437. This item is listed on Bibliopoly by Rachel Lee Rare Books (formerly Thoemmes) ; click here for further details.

34. Bibliopoly Rare Books Search Database, Rare And Antiquarian Books, Manuscripts, Two volumes, small octavo; original cloth, a fine copy. http://www.polybiblio.com/hordern/802_052.html

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35. AIP Niels Bohr Library de morgan, augustus, 18061871. Browse Catalog. by author A budget ofparadoxes / by augustus de morgan reprinted, with the author s additions, http://www.aip.org/history/catalog/16659.html

If you are not immediately redirected, please click here My List - Help Browse Books Archival Resources Archival Finding Aids Photos Browse FAQs Past Searches History Home Search: Author Subject Title Journal/Newspaper Title Series Computer File (Software) Title Video Title Refine Search AIP Niels Bohr Library Item Information Holdings More by this author De Morgan, Augustus, 1806-1871. Browse Catalog by author: De Morgan, Augustus, 1806-1871. by title: A budget of paradoxe... MARC Display by De Morgan, Augustus, 1806-1871. Chicago : The Open Court Pub. Co., 1915. 1915. Call Number: H8 DEM Description: 2 v. : fronts. (ports.) 1 ill. ; 23 cm. Notes: "Preface to the first edition (1872)" signed: Sophia De Morgan. "Authorized edition." Added Author: De Morgan, Sophia Elizabeth (Frend), 1809-1892, Smith, David Eugene, 1860-1944. Edition: 2nd ed. / edited by David Eugene Smith ... Copy/Holding information Location Collection Call No. Status Niels Bohr Library Books General Collection H8 DEM In NBL Format: HTML Plain text Delimited Subject: Email to: Horizon Information Portal 3.0

36. AIP Niels Bohr Library de morgan, augustus, 18061871. Browse Catalog. by author. de morgan, augustus,1806-1871. by title A budget of paradoxes / By augustus de morgan . http://www.aip.org/history/catalog/10956.html

If you are not immediately redirected, please click here My List - Help Browse Books Archival Resources Archival Finding Aids Photos Browse FAQs Past Searches History Home Search: Author Subject Title Journal/Newspaper Title Series Computer File (Software) Title Video Title Refine Search AIP Niels Bohr Library Item Information Holdings More by this author De Morgan, Augustus, 1806-1871. Browse Catalog by author: De Morgan, Augustus, 1806-1871. by title: A budget of paradoxe... MARC Display by De Morgan, Augustus, 1806-1871. London : Longmans, Green, and co., 1872. 1872. Call Number: H8 DEM (bb) z Description: vii, 511, [1] p. pl. 23 cm. Notes: Editor's preface signed: Sophia De Morgan. Added Author: De Morgan, Sophia Elizabeth, 1809-1892. Copy/Holding information Location Collection Call No. Status Niels Bohr Library Books General Collection H8 DEM (bb) In NBL Format: HTML Plain text Delimited Subject: Email to: Horizon Information Portal 3.0 Dynix

37. Imago Mundi - Henry Morgan / Augustus De Morgan / Lewis Morgan / Jacques De Morg Translate this page morgan (augustus de), mathématicien né à Madura (Inde anglaise) le 27 juin 1806, augustus de morgan a publié à part A Treatise on the calculus of http://www.cosmovisions.com/Morgan.htm

Les gens Morgan er (R. S.). Morgan Cambr. Soc. Transactions , dans le Philos. Magazine , dans le Cambr. and Dublin Math. Journal , dans les Transactions he Mathematician , dans la Penny Cyclopaedia , sur la , sur les projections gnomoniques A Treatise on the calculus of functions (Londres, 1836, in-4) ; Differential and integral calculus Trigonometry and double Algebra (Londres, 1849, in-8); Book off almanacks (Londres, 1849, in-8); Compassion to the Almanack (L. S.). Morgan The League of lhe Iroquois (Rochester, 1851); Systems of consanguinity and affinity of the human family (Washington, 1869); Ancient Society (New-York, 1877); ces deux derniers ouvrages sont parmi les plus importantes productions de la sociologie au XIX e The House and house-life of the American aborigines (Washington, 1881), et The American beaver and his works (Philadelphie, 1868). Morgan Voyage en Scandinavie Bull. (Paris, 1884); (Paris, 1886-89); Mission scientifique en Perse et au Kurdistan (Gizeh, 1892-95); (Gizeh). des statues colossales du dieu Ptah des Mastabas de Mera et de Kabin (VI e dynastie), de Ptah Chepses (V

38. New Page 2 de morgan, augustus (18061871), mathematician, was born at Madura, in the Madraspresidency. de morgan was sent to various schools. http://home.bt-webworld.com/tides/ebdg.htm

Dayman to Gutch Back Dayman, Joseph Lieutenant.1f Dean, Edward, of Macclesfield. 1 tidal letter from. de Morgan, Augustus (1806-1871), mathematician, was born at Madura, in the Madras presidency. De Morgan was sent to various schools. He had a gift for drawing caricatures, and read algebra ‘like a novel.’ He pricked out equations on the school-pew, some of which remained after his death, instead of listening to the sermon. In February 1823 he entered Trinity College, Cambridge, as a ‘bye-term man.’ He made many friends at college, including his teachers, Whewell and Peacock. He belonged to a musical society called the ‘Camus’ (i.e. Cambridge Amateur Musical Union Society), and was a skilful flute-player. After some thoughts of medicine he resolved to go to the bar, and entered Lincoln's Inn. The university of London, which afterwards became University College, was just being started. De Morgan found law unpalatable, and on 23 Feb. 1828 was unanimously elected the first professor of mathematics, although the youngest applicant, on the strength of very high testimonials from Peacock, Airy, and other Cambridge authorities. He gave his introductory lecture, ‘On the Study of Mathematics,’ 5 Nov. 1828. From the first De Morgan was a most energetic worker. In May 1828 he was elected a fellow of the Astronomical Society, and in 1830 was placed on the council. He became a member of the Society for the Diffusion of Useful Knowledge, founded by Brougham and others in 1826. He became a member of the committee in 1843. The society was dissolved in 1846. In the vacation of 1837 De Morgan married Sophia Elizabeth Frend, and settled at 69 Gower Street. His lectures at University College attracted many men, afterwards distinguished. He had the power of clear exposition. He never became a fellow of the Royal Society, and held that it was too much open to social influences to be thoroughly efficient as a working institution. His dislike to honorary titles led him to refuse the offer of the LL.D. degree from Edinburgh. For many years he did his best to promote the adoption of a decimal coinage.

39. De Morgan, Augustus (1806-1871) Université Montpellier II It is easier to square the circle than to get ( ) http://ens.math.univ-montp2.fr/SPIP/article.php3?id_article=2387

40. De Morgan, Augustus (1806-1871) Université Montpellier II de morgan, augustus (18061871) de morgan, augustus (1806-1871) de morgan, de morgan, augustus (1806-1871) When asked about his age. http://ens.math.univ-montp2.fr/SPIP/article.php3?id_article=2386

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