That's interesting. At first glance, it seems like we invented Separability just to make things easier for us. In my head I'd always assumed that forces dimin

That's interesting. At first glance, it seems like we invented Separability just to make things easier for us. In my head I'd always assumed that forces diminish continuously; But I guess that's what I get for thinking of force as something different from a particle. If all force is particles, I suppose it makes sense.