English[edit]
Etymology[edit]
Named after the mathematicians Nicolaas Govert de Bruijn and Paul Erdős.
Proper noun[edit]
de Bruijn-Erdős theorem
- (graph theory) A theorem stating that, when all finite subgraphs of an infinite graph can be colored using c colors, the same is true for the parent graph.
- (geometry) A theorem that states a lower bound on the number of lines determined by n points in a projective plane.
