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200 10$aCharming proofs $ea journey into elegant mathematics /$fClaudi Alsina, Roger B. Nelsen$b[electronic resource]
210  1$aWashington :$cMathematical Association of America,$d2010.
215   $a1 online resource (xxiv, 295 pages) $cdigital, PDF file(s)
225 1 $aDolciani Mathematical Expositions, $vv. 42
225  0$aDolciani mathematical expositions ;$vno. 42
300   $aTitle from publisher's bibliographic system (viewed on 02 Oct 2015).
311   $a0-88385-348-5 
320   $aIncludes bibliographical references (p. 275-287) and index.
327   $aA garden of integers -- Distinguished numbers -- Points in the plane -- The polygonal playground -- A treasury of triangle theorems -- The enchantment of the equilateral triangle -- The quadrilaterals' corner -- Squares everywhere -- Curves ahead -- Adventures in tiling and coloring -- Geometry in three dimensions -- Additional theorems, problems, and proofs.
330   $aTheorems and their proofs lie at the heart of mathematics. In speaking of the purely aesthetic qualities of theorems and proofs, G. H. Hardy wrote that in beautiful proofs 'there is a very high degree of unexpectedness, combined with inevitability and economy.' Charming Proofs present a collection of remarkable proofs in elementary mathematics that are exceptionally elegant, full of ingenuity, and succinct. By means of a surprising argument or a powerful visual representation, the proofs in this collection will invite readers to enjoy the beauty of mathematics, to share their discoveries with others, and to become involved in the process of creating new proofs.  Charming Proofs is organized as follows. Following a short introduction about proofs and the process of creating proofs, the authors present, in twelve chapters, a wide and varied selection of proofs they consider charming, Topics include the integers, selected real numbers, points in the plane, triangles, squares, and other polygons, curves, inequalities, plane tilings, origami, colorful proofs, three-dimensional geometry, etc. At the end of each chapter are some challenges that will draw the reader into the process of creating charming proofs. There are over 130 such challenges.  Charming Proofs concludes with solutions to all of the challenges, references, and a complete index. As in the authors’ previous books with the MAA (Math Made Visual and When Less Is More), secondary school and college and university teachers may wish to use some of the charming proofs in their classrooms to introduce their students to mathematical elegance. Some may wish to use the book as a supplement in an introductory course on proofs, mathematical reasoning, or problem solving.
410  0$aDolciani Mathematical Expositions
606   $aProof theory
615  0$aProof theory.
676   $a511.3/6
700   $aAlsina$b Claudi$0309455
702   $aNelsen$b Roger B.
712 02$aMathematical Association of America,
801  0$bUkCbUP
801  1$bUkCbUP
906   $aBOOK
912   $a9910812248803321
996   $aCharming proofs$94051899
997   $aUNINA