Unformatted text preview: their solution: • planar problems can be solved using circles and straight lines, or planar loci . These are often called compass and straightedge constructions ; • solid problems involve the intersection of a plane with a cone ( solid loci , or conic sections ); 1 The work of Pappus is sometimes taken to mark the end of the classical Greek tradition in mathematics. 2 Parts of this survive in a twelfthcentury copy. 117...
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 Fall '08
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 Calculus, Geometry, Conic Sections, Euclid, Projective geometry, Pappus

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