\documentstyle[]{article}

\pagestyle{empty}

\textheight       100cm
\evensidemargin     0cm
\oddsidemargin      0cm
\topmargin          0cm
\textwidth         17cm

\begin{document}

\def\beginsymbols{\begin{tabbing}
     \hspace{0.8cm}\=\hspace{3.5cm}\=  \hspace{0.8cm}\=\hspace{3.5cm}\=
     \hspace{0.8cm}\=\hspace{3.5cm}\=  \kill }
\def\endsymbols{\end{tabbing}}

\subsection*{Relation Symbols}

The following relations can be used in math mode

\beginsymbols
$< $\> \verb|<| \>$>$\> \verb|>| \>$=$\> \verb|=| \\
$\leq $\> \verb|\leq| \>$\geq $\> \verb|\geq| \>$\equiv $\> \verb|\equiv| \\
$\prec $\> \verb|\prec| \>$\succ $\> \verb|\succ| \>$\sim $\> \verb|\sim| \\
$\preceq $\> \verb|\preceq| \>$\succeq $\> \verb|\succeq| \>
$\simeq $\> \verb|\simeq| \\
$\ll $\> \verb|\ll| \>$\gg $\> \verb|\gg| \>$\asymp $\> \verb|\asymp| \\
$\subset $\> \verb|\subset| \>$\supset $\> \verb|\supset| \>
$\approx $\> \verb|\approx| \\
$\subseteq $\> \verb|\subseteq| \>$\supseteq $\> \verb|\supseteq| \>
$\cong $\> \verb|\cong| \\
$\sqsubseteq $\> \verb|\sqsubseteq| \>$\sqsupseteq $\> \verb|\sqsupseteq| \>
$\bowtie $\> \verb|\bowtie| \\
$\in $\> \verb|\in| \>$\ni $\> \verb|\ni| \>$\Join $\> \verb|\Join| \\
$\vdash $\> \verb|\vdash| \>$\dashv $\> \verb|\dashv| \>
$\models $\> \verb|\models| \\
$\smile $\> \verb|\smile| \>$\mid $\> \verb|\mid| \>
$\doteq $\> \verb|\doteq| \\
$\frown $\> \verb|\frown| \>$\parallel $\> \verb|\parallel| \>
$\perp $\> \verb|\perp| \\
\>\>\>\>$\propto $\> \verb|\propto| 
\endsymbols
 
\beginsymbols
$\not< $\> \verb|\not<| \>$\not> $\> \verb|\not>| \>$\not= $\> \verb|\not=| \\
$\not\leq $\> \verb|\not\leq| \>$\not\geq $\> \verb|\not\geq| \>
  $\not\equiv $\> \verb|\not\equiv| \\
$\not\prec $\> \verb|\not\prec| \>$\not\succ $\> \verb|\not\succ| \>
  $\not\sim $\> \verb|\not\sim| \\
$\not\preceq $\> \verb|\not\preceq| \>$\not\succeq $\> \verb|\not\succeq| \>
  $\not\simeq $\> \verb|\not\simeq| \\
$\not\subset $\> \verb|\not\subset| \>$\not\supset $\> \verb|\not\supset| \>
  $\not\approx $\> \verb|\not\approx| \\
$\not\subseteq $\> \verb|\not\subseteq| \>$\not\supseteq $\>
\verb|\not\supseteq| \>
  $\not\cong $\> \verb|\not\cong| \\
$\not\sqsubseteq $\> \verb|\not\sqsubseteq| \>$\not\sqsupseteq $\>
\verb|\not\sqsupseteq| \>
  $\not\asymp $\> \verb|\not\asymp| 
\endsymbols
 
\end{document}

.
