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Quote: Cauchy's proof of Euler's relation used conjectures about planar maps, triangulations, and the effect of removing triangles
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mathematics by proofs and refutations
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PUPIL BETA: Are you sure that in triangulating … about your second step … TEACHER: Of course I am not sure. ALPHA: … least three! And this you call a 'proof'! … [footnote:] This proof-idea stems from Cauchy [1813a]. Google-1 Google-2
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Topic: mathematics by proofs and refutations (31 items)