KURSCHAK 1971 Problem 2
Given any points in the plane, no three collinear. Show that the points can be divided into pairs, so that the line segments defined by the pairs have at least five different intersections
Dataset text AI-MO AoPS. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.