When no point of a line is at a finite distance, the line itself is at an infinite distance.


Brouillion project (1639) as quoted by Harold Scott MacDonald Coxeter, Projective Geometry (1987)


When no point of a line is at a finite distance, the line itself is at an infinite distance.

When no point of a line is at a finite distance, the line itself is at an infinite distance.

When no point of a line is at a finite distance, the line itself is at an infinite distance.

When no point of a line is at a finite distance, the line itself is at an infinite distance.