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Minimal proof of a generalized Droz-Farny theorem. (English) Zbl 1362.51016
Summary: We give a simple proof of a recent generalization of the Droz-Farny line theorem by using complex numbers.

51M04 Elementary problems in Euclidean geometries
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[1] J.-L. Ayme, A synthetic proof of the Droz-Farny line theorem, Forum Geom., 4 (2004) 219–224. · Zbl 1078.51019
[2] C. Letrouit, On a new generalization of the Droz-Farny line, Forum Geom., 16 (2016) 367–369. Gr’egoire Nicollier: University of Applied Sciences of Western Switzerland, Route du Rawyl 47, CH–1950 Sion, Switzerland E-mail address: gregoire.nicollier@hevs.ch · Zbl 1362.51010
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