\documentclass{article}
\usepackage{tikz} 
\usepackage{amsmath} 
\usepackage{xepersian}
\begin{document}
\[
\Phi\big(
\begin{tikzpicture} 
\draw[fill=black] (0,0) circle (.5mm);
\draw[fill=black] (0,.25) circle (.5mm);
\draw[fill=black] (.2,.25) circle (.5mm);
\draw[fill=black] (-.2,.25) circle (.5mm);
\draw[thick] (-.2,.25) -- (0,0);
\draw[thick] (0,.25) -- (0,0);
\draw[thick] (0,0) -- (.2,.25);
\end{tikzpicture}
\big)-(c_2+c_4)
\]
\end{document}