Abstract
Any real one-parametric system can be interpreted as a real projective line. We show von Staudt's construction of the field structure on points of a conic section and on the 3D models of collinear cows.
Any real one-parametric system can be interpreted as a real projective line. We show von Staudt's construction of the field structure on points of a conic section and on the 3D models of collinear cows.