\documentclass{book}
\usepackage[all,cmtip,2cell,line]{xypic}
\UseAllTwocells\SilentMatrices
\usepackage{xepersian}
\begin{document}

$$\xymatrix{
X:\cdots\ar[r]^{d_2}&X_1\ar[d]_{f_1}\ar[r]^{d_1}&X_0\ar[d]_{f_0}\ar[r]^{\varepsilon}&A\ar[d]_{f}\ar[r]&0\\
X:\cdots\ar[r]_{d'_2}&X'_1\ar[r]_{d'_1}&X'_0\ar[r]_{\varepsilon'}&A'\ar[r]&0
}$$
\end{document}