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Triangles in Multiple Perspective, viewed in connection with Determinants of the third order
Published online by Cambridge University Press: 20 January 2009
Extract
The theorems given in the present section are fundamental in the theory of triangles in multiple perspective. They are all perfectly well known, but are given here because without them the succeeding sections would be unintelligible.
Two triangles A1,A2A3, B1,B2B3, can be in perspective in six different ways, indicated by the following symbols, in which the A's are to be understood as connecting collinearly with the B's standing directly underneath.
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- Copyright © Edinburgh Mathematical Society 1902
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