3 ms·
A real proof would work for an arbitrary first four points (with any segment between two not containing a lattice point), but I think nikln already provided thi
by anonymoushn 14y ago
A real proof would work for an arbitrary first four points (with any segment between two not containing a lattice point), but I think nikln already provided this :)
- nazgulnarsil 14y agodoh, forgot to do the last and most important step, generalizing.