anonanon 152k1212 gold badges233233 silver badges398398 bronze badges $endgroup$ four $begingroup$ Which is fantastic many thanks a bunch! I also posted a similar question right here: math.stackexchange.com/queries/2135276/… that You may have some insight on? $endgroup$The Levi-Civita symbol is most often Employed in 3 and 4 Proportions, and to s