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A deplorable fallacy – and a minor fault
Published online by Cambridge University Press: 01 August 2016
Extract
In three earlier articles we drew attention to an astonishing error which appears in several texts in the United States, even some of otherwise very high quality. The error relates to a fallacious procedure for the calculation of the Euler characteristic of a polyhedron, producing, in particular, the extraordinary statement that the Euler characteristic of a torus is 2.
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- Copyright © The Mathematical Association 1994