Name: Selcuk Date: 03/15/18-09:13:15 AM Z

Hi,

As far as I understand LeviCivita function is defined for four component.

How can I use Levi-Civita with three indices?

For instance, how can I show the relations;
$\epsilon^{acd} \epsilon^{bcd}$ = 2 \delta^{ab}

Thanks in advance.