Corollary , Fields, and maybe something else
So triangularization, in 3 or 4 space always involves two points, that have to be distinct, which will change over time, the arrival or destination, so you have:
A --> B or Alice and Bob, as the physics guys/gals are so found of saying.
and you either get there, or not. If not, you can view that " obstruction " as , some kind of a " field " transformation. So, if you review ALL , that material on Bob and Alice, and hanging on around Black Holes, and such, well, goodness, you know, sometimes they -- know -- , and sometimes they are on the same page and sometimes, not.
So then there is obviously a link here with being able to detect these field transformations.
Actually, nothing else , that I can think of ....