Anonanon 152k1212 gold badges233233 silver badges398398 bronze badges $endgroup$ four $begingroup$ Which is perfect thanks a bunch! I also posted a similar issue below: math.stackexchange.com/issues/2135276/… that You could have some Perception on? $endgroup$ The Levi-Civita image is most often used in a few and 4 dimensions, and to some extent https://levis4d37924.liberty-blog.com/26787283/the-levis-4d-diaries