Anonanon 152k1212 gold badges233233 silver badges398398 bronze badges $endgroup$ four $begingroup$ That's great thanks a bunch! I also posted an identical issue below: math.stackexchange.com/thoughts/2135276/… that You could have some Perception on? $endgroup$ The Levi-Civita image is most often used in a few and 4 dimensions, also to some extent in https://eleanors119aal3.tkzblog.com/profile