User blog comment:Ikosarakt1/Extension of Chris Bird's array notation./@comment-5029411-20130513191741

\(\varepsilon_{\theta(\varepsilon_{\Omega+1})}\), \(\zeta_{\theta(\varepsilon_{\Omega+1})}\) and \(\eta_{\theta(\varepsilon_{\Omega+1})}\) is equal to \theta(\varepsilon_{\Omega+1})