\newcommand{\BOXA}[1]{\framebox[9mm]{\rule[-1.5mm]{0mm}{5mm}{\bf #1}}}
\ANG{
Schreibe in das K"astchen {\bf w} f"ur \GF{wahr}, 
{\bf f} f"ur \GF{falsch} oder {\bf s} f"ur \GF{sinnlos}!
\begin{center}
$M=\{\,11\,,\,25\,,\,26\,,\,71\,\}$, $P=\{\,11\,,\,25\,,\,36\,,\,71\,,\,
81\,\}$ 
\end{center}
\begin{tabular}[t]{ccccccccc}
(a) & $36\in M$ & \BOXA{}&
(b)& $36\not\in P$ &
\BOXA{}\rule[-4mm]{0mm}{9mm}& 
(c) & $M\subseteqq P$ & \BOXA{}\\
(d)& $25\subseteqq P$ & 
\BOXA{}\rule[-4mm]{0mm}{9mm}&
(e) & $\{\,11\,\}\in M$ & \BOXA{}&
(f)& $\{\hspace{2mm}\}\subseteqq P$&
\BOXA{}\rule[-4mm]{0mm}{9mm}
\end{tabular}
}
\LSG{
\begin{tabular}[t]{ccccccccc}
(a) & $36\in M$ & \BOXA{f}&
(b)& $36\not\in P$ & \BOXA{f}\rule[-4mm]{0mm}{9mm}& 
(c) & $M\subseteqq P$ & \BOXA{f}\\
(d)& $25\subseteqq P$ & \BOXA{s}\rule[-4mm]{0mm}{9mm}&
(e) & $\{\,11\,\}\in M$ & \BOXA{s}&
(f)& $\{\hspace{2mm}\}\subseteqq P$& \BOXA{w}\rule[-4mm]{0mm}{9mm}
\end{tabular}
}
