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The Co-symmedian System of Tetrahedra inscribed in a Sphere

Published online by Cambridge University Press:  20 January 2009

W. L. Marr
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This paper deals with a system of tetrahedra in a sphere corresponding to the co-symmedian system of triangles in a circle. Such a system of tetrahedra, so far as the writer knows, has not been hitherto discussed. The condition that a tetrahedron may have a symmedian point is given in Wolstenholme's “Problems” (1878).

Type
Research Article
Information
Proceedings of the Edinburgh Mathematical Society , Volume 37 , February 1918 , pp. 59 - 64
Copyright
Copyright © Edinburgh Mathematical Society 1918