\usepackage[color=true,onerror=nice, info=mute]{yagusylo}
\usepackage{fancyhdr}
\usepackage{multicol}
\usepackage{multienum}
\usepackage{geometry}
\geometry{textheight=23cm,right=1.5cm, textwidth=18cm,columnsep=1cm,headheight=7mm,headsep=7mm,}
%\geometry{textheight=21.5cm,headheight=7mm,headsep=7mm%
%,footskip=1cm,textwidth=13.5cm,top=4.5cm}
\usepackage{multirow,bigdelim,amssymb,amsmath}\allowdisplaybreaks
\usepackage{empheq,xcolor,graphicx}
\usepackage[thmmarks,framed]{ntheorem}
\usepackage{enumerate}
%\usepackage[dvips]{color}
%\usepackage{colortbl}
\usepackage{sectsty}
%\usepackage{pstricks,pst-node,pst-tree}
\usepackage{pgf,tikz}
\usetikzlibrary{arrows,decorations.pathmorphing,backgrounds,positioning,fit,petri,automata}
\usepackage[Kashida]{xepersian}
\settextfont[Scale=1.07]{Persian Modern}
\setlatintextfont{Times New Roman}
\setdigitfont{Persian Modern}
\theoremheaderfont{\normalfont\bfseries}
\theorempreskipamount=0mm
\theorempostskipamount=0mm
\theorembodyfont{\rm}
%\theoremsymbol{}
\theoremsymbol{\ensuremath{\blacksquare}}
\theoremseparator{:}
\newtheorem{tari}{\large تعریف}[section]
\newtheorem{mt}{\large مثال تشریحی}[section]
\theoremheaderfont{\normalfont\bfseries}
\theorembodyfont{\rm}
\theoremsymbol{}
\theoremseparator{:}
\newtheorem{tam}{\large تمرین}[section]
\newtheorem{soa}{\large سوال}[section]
\newtheorem{ges}{\large حدس}[section]
\newtheorem{lem}{\large لم}[chapter]
\newtheorem{ghaz}[tari]{\large قضیه}
\newtheorem{nati}{\large نتیجه}[section]
\newtheorem{mesa}{\large مثال}[section]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\theoremheaderfont{\normalfont\bfseries}
\theorembodyfont{\rm}
\theoremstyle{nonumberplain}
\theoremseparator{:}
\theoremsymbol{\ensuremath{\blacksquare}}
\theorempreskipamount=.4cm
\theorempostskipamount=.3cm
%\theoremsymbol{}
\newtheorem{esba}{\large اثبات}
\newtheorem{hal}{\large حل}
\newtheorem{tav}{\large توجه}
\newtheorem{nok}{\large نکته}
\def\contentsname{\large فهرست}
\def\bge{\begin{ges}}
\def\ege{\end{ges}}
\def\bma{\begin{pmatrix}}
\def\ema{\end{pmatrix}}
\def\bso{\begin{soa}}
\def\eso{\end{soa}}
\def\btam{\begin{tam}}
\def\etam{\end{tam}}
\def\bna{\begin{nati}}
\def\ena{\end{nati}}
\def\bno{\begin{nok}}
\def\eno{\end{nok}}
\def\bt{\begin{tari}}
\def\et{\end{tari}}
\def\btav{\begin{tav}}
\def\etav{\end{tav}}
\def\bha{\begin{hal}}
\def\eha{\end{hal}}
\def\bte{\begin{ghaz}}
\def\ete{\end{ghaz}}
\def\bme{\begin{mesa}}
\def\eme{\end{mesa}}
\def\bmt{\begin{mt}}
\def\emt{\end{mt}}
\def\bes{\begin{esba}}
\def\ees{\end{esba}}
\def\ble{\begin{lem}}
\def\ele{\end{lem}}
\def\ham{\equiv}
\def\lam{\lambda}
\def\dis{\displaystyle}
\def\le{\leqslant}
\def\dar{\times}
\def\ge{\geqslant}
\def\bpm{\begin{pmatrix}}
\def\epm{\end{pmatrix}}
\def\fee{\varphi} 
\def\tr{\triangledown}
\def\zi{\subseteq}
\def\zia{\subset}
\def\nat{\Rightarrow}
\def\natn{\Leftrightarrow}
\def\eps{\varepsilon}
\def\del{\delta} 
\def\bc{\begin{center}}
\def\ec{\end{center}}
\def\Bbb{\mathbb}
\setlength\fboxsep{3mm}
\def\foo{\footnotesize}
\def\tohi{\varnothing}
\def\bo{\hfill$\Box$}
\def\yek{\cong}
\def\be{\begin{enumerate}}
\def\ee{\end{enumerate}}
\def\rha{\rangle} 
\def\lha{\langle} 
\def\chii{\raise1mm\hbox{$\chi$}}
\newcommand{\map}[3]{#1:#2\to #3}
\newcommand{\bor}[1] {\stackrel{\longrightarrow}{#1}}
\newcommand{\jam}[2]{\sum_{#1}^{#2}}
\newcommand{\ej}[2]{\cup_{#1}^{#2}}
\newcommand{\es}[2]{\cap_{#1}^{#2}}
\newcommand{\ejb}[2]{\bigcup_{#1}^{#2}}
\newcommand{\esb}[2]{\bigcap_{#1}^{#2}}
\newcommand{\ov}[1]{\overline{#1}}
\newcommand{\no}[1]{|\!\!\,|#1|\,\!\!|}
\newcommand{\paye}[2]{\{{#1}_1,{#1}_2,\ldots,{#1}_{#2}\}}
\makeatletter
\define@key{mydefinitionbox}{width}{\def\@mydefinitionboxwidth{#1}}
\define@key{mydefinitionbox}{theorem name}{\def\@mytheoremname{#1}}
\define@key{mydefinitionbox}{background color}{\def\@mybackgroundcolor{#1}}
\define@key{mydefinitionbox}{rule color}{\def\@myrulecolor{#1}}
\define@key{mydefinitionbox}{rule width}{\def\@myfboxrulewidth{#1}}
\define@key{mydefinitionbox}{paragraph indentation}{\def\@myparagraphindentation{#1}}
\newsavebox\mydefinitionbox
\@definecounter{mydefinition}
\newenvironment{definitionb}[1][]{%
\setkeys{mydefinitionbox}{width=\textwidth,theorem name={},background color=white,rule color=black,rule width=0.4pt
,paragraph indentation=0mm,
#1}
\setlength{\fboxrule}{\@myfboxrulewidth}%
\begin{lrbox}{\mydefinitionbox}%
%\begin{center}
\begin{minipage}{\dimexpr(\@mydefinitionboxwidth-2\fboxsep-2\fboxrule)}%
\setlength{\parindent}{\@myparagraphindentation}
\refstepcounter{mydefinition}%
\setlength{\fboxrule}{0.4pt}
%\fbox{\themydefinition}
\ifx\@mytheoremname\@empty\else\textbf{\@mytheoremname}\fi
}{%
\end{minipage}%\end{center}%
\end{lrbox}%
\vskip10pt
\noindent\fcolorbox{\@myrulecolor}{\@mybackgroundcolor}{\usebox\mydefinitionbox}%
\vskip15pt}
\makeatother
\def\bkad{\begin{definitionb}}
\def\ekad{\end{definitionb}}
%%\defdingname[pifont]{45}{mainv}[black]
% \setyagitemize*{mainv. mainb. mainr. maing}
 \defdingname[bbding]{18}{mainv}[black]%[green]
 \defdingname[bbding]{26}{mainb}[black]
 \defdingname[ark]{82}{mainr}[black]
 \defdingname[ark]{87}{maing}[black]
 \setyagitemize*{mainv. mainb. mainr. maing}
 
 
\defdingname[bbding][global]{22}{lhand}[black]
\newcounter{fig}[section]
\setcounter{fig}{0}
\def\thefig{\arabic{fig}}% 

\def\mycaption#1{\def\MYCAPTION{#1}}

\newenvironment{myFig}
{
 \refstepcounter{fig}
\begin{center}
}
{\vspace{-2mm}
\par
شکل \arabic{fig}
\end{center}
}

\newcounter{jad}[section]
\setcounter{jad}{0}
\def\thefig{\arabic{jad}}% 

\def\mycaption#1{\def\MYCAPTION{#1}}

\newenvironment{myjad}
{
 \refstepcounter{jad}
\begin{center}
\par
جدول \vspace{3mm}\arabic{jad}

}
{
\end{center}
}