That is, that $x(yx^2) = (xy)x^2$ ? In the original paper of A. Albert the proof is based on a direct calculation, so it is not even clear why $dim=3$ is important. References show …

Apologies in advance for this spectacularly uninteresting question, but it has just come up in my work. (Okay, not in a truly important way, but I am trying to gauge the scope of …