The Sylvester graph of a configuration is the set of ordinary points and ordinary lines.
Sylvester Configuration Graph
See also
Configuration, Ordinary Point, Ordinary Line, Sylvester GraphExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Sylvester Configuration Graph." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/SylvesterConfigurationGraph.html