\documentclass[11pt]{report}
 \usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
%بسته‌ای برای تنطیم حاشیه‌های بالا، پایین، چپ و راست صفحه
\usepackage[top=50mm, bottom=50mm, left=10mm, right=50mm]{geometry}
 \usepackage{xepersian}
\usepackage[all]{xy}

 \settextfont[Scale=1]{Yas}
 \setlatintextfont{Junicode}

 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

 \begin{document}
\[
\xymatrix{&A\ar[rd]&&\\
B\ar[rr]\ar[ru]\ar[rd]&&D\ar[r]&F\\
&C\ar[ru]&&}
\]
\[
\xymatrix{&A\ar@{-}[rd]&&\\
B\ar@{-}[rr]\ar@{-}[ru]\ar@{-}[rd]&&D\ar@{-}[r]&F\\
&C\ar@{-}[ru]&&}
\]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
$${\setlength\arraycolsep{2pt}
\begin{array}{lcccrc}
&&A&&&\\
&\diagup&&\diagdown&&\\
B&&&&D&\longrightarrow F\\
&\diagdown&&\diagup&&\\
&&C&&&
\end{array}}$$
%%%%%%%%%%
‌{ با دستور}‌‌‌‌
\begin{latin}
\begin{verbatim}
{\setlength\arraycolsep{2pt}
\begin{array}{lcccrc}
&&A&&&\\
&\diagup&&\diagdown&&\\
B&&&&D&\longrightarrow F\\
&\diagdown&&\diagup&&\\
&&C&&&
\end{array}}
\end{verbatim}
\end{latin}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
‌{ و }
$${\setlength\arraycolsep{2pt}
\displaystyle\mathop{\hspace*{-.2cm}B\hrulefill D\hspace*{-.2cm}}^{
\begin{array}{lcr}
&A&\\
\nearrow&&\searrow
\end{array}
}_{\begin{array}{lcr}
\searrow&&\nearrow\\
&C&
\end{array}} \longrightarrow F
}
$$
‌{ با دستور}‌‌‌‌
\begin{latin}
\begin{verbatim}
$${\setlength\arraycolsep{2pt}
\displaystyle\mathop{\hspace*{-.2cm}B\hrulefill D\hspace*{-.2cm}}^{
\begin{array}{lcr}
&A&\\
\nearrow&&\searrow
\end{array}
}_{\begin{array}{lcr}
\searrow&&\nearrow\\
&C&
\end{array}} \longrightarrow F
}
$$
\end{verbatim}
\end{latin}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \end{document}\lr{•}