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When is a Direct Proof Indirect?

Published online by Cambridge University Press:  03 November 2016

M. Lewin
M. Lewin*
Affiliation:
Department of Mathematics, Israel Institute of Technology, Haifa
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Abstract

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Type
Correspondence
Information
The Mathematical Gazette , Volume 56 , Issue 396 , May 1972 , pp. 131 - 132
Copyright
Copyright © Mathematical Association 1972

References

1. Henderson, A.: A classic problem in Euclidean Geometry. J. of the Mitchell Soc. (Dec. 1937) 246–81.Google Scholar
2. McBride, J. A.: The equal internal bisectors theorem, 1840-1940…. Many solutions or none? The Edinburgh Math. Notes, 33 (1943) 1–13.CrossRefGoogle Scholar