faster than the speed of light
Nothing can go faster than the speed of light.
principle of equivalence
Speed of gravity is 9x1016 meters per second.
This faster than light speed has been proven by Van Flandern.
We do have light aberration
Newton said gravity acts instantly
Einstein said gravity acts at the speed of light
Ampere's Laws or the Aufbau Laws
one quantum of energy
SU (2) symmetry
It's not that complicated
Relativity of Simultaneity
Minkowski light cone
These links, on left hand side of page, will cover what you will be reading in Chapter 7.