The Pappus configuration is the configuration illustrated above that appears in Pappus's hexagon theorem. It is one of the three configurations.
The Levi graph of the Pappus configuration is known as the Pappus graph.
The Pappus configuration is the configuration illustrated above that appears in Pappus's hexagon theorem. It is one of the three configurations.
The Levi graph of the Pappus configuration is known as the Pappus graph.
Weisstein, Eric W. "Pappus Configuration." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PappusConfiguration.html