- Pappus of Alexandria
*(c. 320) Greek mathematician*Pappus was the last notable Greek mathematician and is chiefly remembered because his writings contain reports of the work of many earlier Greek mathematicians that would otherwise be lost. His chief work,*Synagogue*(*c*. 340; Collection), consisted of eight books of which the first and part of the second are now lost. It was intended as a guide to the whole of Greek mathematics and this is what makes it such a significant historical source. Among the mathematicians whose work Pappus expounds are Euclid, Apollonius of Perga, Aristaeus, and Eratosthenes. Pappus did contribute some original work, however, notably in projective geometry.As with many Greek mathematicians Pappus was as interested in astronomy as in pure mathematics and his other work included comments on Ptolemy's astronomical system contained in the*Almagest*.

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**Pappus of Alexandria**— (Greek polytonic|Πάππος ὁ Ἀλεξανδρεύς) (c. 290 ndash; c. 350) was one of the last great Greek mathematicians of antiquity, known for his Synagoge or Collection (c. 340), and for Pappus s Theorem in projective geometry. Nothing is known of his… … Wikipedia**Pappus of Alexandria**— ▪ Greek mathematician flourished AD 320 the most important mathematical author writing in Greek during the later Roman Empire, known for his Synagoge (“Collection”), a voluminous account of the most important work done in ancient Greek… … Universalium**PAPPUS OF ALEXANDRIA**— a Greek geometer of the third or fourth century, author of Mathematical Collections, in eight books, of which the first and second have been lost … The Nuttall Encyclopaedia**Pappus's hexagon theorem**— (attributed to Pappus of Alexandria) states that given one set of collinear points A , B , C , and another set of collinear points a , b , c , then the intersection points x , y , z of line pairs Ab and aB , Ac and aC , Bc and bC are collinear. ( … Wikipedia**Pappus's centroid theorem**— (also known as the Guldinus theorem, Pappus Guldinus theorem or Pappus s theorem) is the name of two related theorems dealing with the surface areas and volumes of surfaces and solids of revolution.The theorem is attributed to Pappus of… … Wikipedia**Pappus**— may refer to:*Pappus (flower structure), a type of flower structure *Pappus of Alexandria, Greek mathematician … Wikipedia**Pappus d'Alexandrie**— Pour l’article homonyme, voir Pappus. Mathematicae Collectiones par Pappus, traduites par Federico Commandino (1589) Pappus d Alexandrie vécut au … Wikipédia en Français**Pappus chain**— In geometry, the Pappus chain was created by Pappus of Alexandria in the 3rd century AD.ConstructionThe arbelos is defined by two circles, C U and C V, which are tangent at the point A and where C U is enclosed by C V. Let the radii of these two… … Wikipedia**Pappus graph**— infobox graph name = Pappus graph image caption = The Pappus graph, a Levi graph with 18 vertices formed from the Pappus configuration. namesake = Pappus of Alexandria vertices = 18 edges = 27 chromatic number = chromatic index = properties =… … Wikipedia**Pappus's theorem**— ▪ geometry in mathematics, theorem named for the 4th century Greek geometer Pappus of Alexandria that describes the volume of a solid, obtained by revolving a plane region D about a line L not intersecting D, as the product of the area of D and… … Universalium