I replied in another thread from a paper I read : (x0,y0,z0)
2. There's no such thing in physical space, as infinitesimally small point - from what is known about the nature of dimensional space, Planck lenght is as close to be a "point of space", as we can get (in practice and in theory).- yet it still has a definitive and measurable spatial distance, so the idea of a dimensionless point/unit of space doesn't go too well with actual practice...
(x0)+(x0)=x1 is the smallest possible vector and scalar length .
Displacing the point one point .