Value of W g , R {\displaystyle W_{{\mathfrak {g}},R}} on I H X {\displaystyle IHX} .
Computation for I {\displaystyle I}
Here s {\displaystyle s} is a dummy variable and could be replace by e ′ {\displaystyle e^{\prime }}
on 
.
![{\displaystyle {\begin{aligned}W_{{\mathfrak {g}},R}(I)&=f_{ecd}f_{abe^{\prime }}t^{ee^{\prime }}\\&=\langle [X_{e},X_{c}],X_{d}\rangle \langle [X_{a},X_{b}],X_{e}^{\prime }\rangle t^{ee^{\prime }}=f_{ec}^{s}t_{sd}f_{ab}^{k}t_{ke^{\prime }}t^{ee^{\prime }}\\&=f_{ec}^{s}t_{sd}f_{ab}^{k}\delta _{k}^{e}\\&=f_{ec}^{s}f_{ab}^{e}t_{sd}\end{aligned}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/4123a98c14e41e0f1c38c43b71eaebd4ffeefd0d)
is a dummy variable and could be replace by 
