Perspectivity -- from Wolfram MathWorld
- ️Weisstein, Eric W.
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A correspondence between two line segment ranges that are sections of one pencil by two distinct lines.
See also
Line Segment Range, Pencil, Projectivity
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Cite this as:
Weisstein, Eric W. "Perspectivity." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Perspectivity.html