Anonanon 152k1212 gold badges233233 silver badges398398 bronze badges $endgroup$ four $begingroup$ Which is ideal many thanks a bunch! I also posted a similar issue listed here: math.stackexchange.com/issues/2135276/… that you might have some insight on? $endgroup$ The Levi-Civita image is most often used in a few and four dimensions, also to https://levis4d72783.blog-a-story.com/6492766/the-basic-principles-of-levis-4d