Totally false. Darkness does not have a speed. And the speed of light is simply the speed of particles with no mass.

I believe all you are saying is that a 1 to 1 function f(x) can be applied to another g(x) losslessly.

Similarly there’s no need to chart velocity on a linear scale or have ph be exponential. We can apply 1 to 1 functions to these at will to arrive at other mappings we can use without loss of information.

I think it’s likely a true statement but I won’t attempt to prove it.

Do you see any computational advantage to using your inverted mapping?

It can actually be harder to try to parrot your professors own views. Depending on the professor they may respect an alternate view more.

That being said I always used to read some of my profs work and make conversation. Understanding your professor can definitely make passing a class easier