Cremona-Richmond configuration
English
![](Images/wiktionary/Cremona-Richmond_configuration.svg.png.webp)
The Cremona–Richmond configuration
Etymology
It was studied by Cremona (1877) and Richmond (1900).
Proper noun
Cremona-Richmond configuration
- (geometry) A configuration of 15 lines and 15 points, having three points on each line and three lines through each point, and containing no triangles.