No one else is arguing that it is sufficient, but they are arguing that it is necessary.
Did I leave out the part where students who couldn’t do all the math answered it correctly? Pardon me.
In this context, I’m going to make a counter prediction: if one did give a test on SR to physics students just learning about it, the ones who answer the chair question correctly will be a proper subset of the ones who can do the mathematical manipulation.
Then I would make counterfactual money by betting against you.
Did I leave out the part where students who couldn’t do all the math answered it correctly? Pardon me.
Then I would make counterfactual money by betting against you.