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When is a Direct Proof Indirect?
Published online by Cambridge University Press: 03 November 2016
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- Copyright © Mathematical Association 1972
References
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Henderson, A.: A classic problem in Euclidean Geometry. J. of the Mitchell Soc. (Dec. 1937) 246–81.Google Scholar
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McBride, J. A.: The equal internal bisectors theorem, 1840-1940…. Many solutions or none? The Edinburgh Math. Notes, 33 (1943) 1–13.CrossRefGoogle Scholar