anonanon 152k1212 gold badges233233 silver badges398398 bronze badges $endgroup$ four $begingroup$ That is perfect thanks a bunch! I also posted an identical problem here: math.stackexchange.com/inquiries/2135276/… that You may have some Perception on? $endgroup$The Levi-Civita image is most often used in 3 and 4 Proportions, and also to some ext