Anonanon 152k1212 gold badges233233 silver badges398398 bronze badges $endgroup$ four $begingroup$ That's ideal thanks a bunch! I also posted an identical concern below: math.stackexchange.com/concerns/2135276/… that you might have some insight on? $endgroup$ The Levi-Civita image is most often used in three and 4 Proportions, and also to some extent in https://levis4d69114.blogdun.com/27312287/getting-my-levis-4d-to-work