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\begin{document}
\noindent

%========================================================================
\noindent\framebox[\linewidth]{\shortstack[c]{
\Large{\textbf{Lab08-Logic Calculus}}\vspace{1mm}\\
CS101-�������ѧ���ۿκ���ҵ����ʦ�������h��2016 �＾ѧ��}}
%\vspace{1mm}
\begin{center}
\footnotesize{\color{red}$*$ �ɴ�ӡ��ҳֱ����ҳ������/��ֽװ������ע����\quad ������\_\_\_\_\_\_\_\_\_\_\_\_ \quad ѧ�ţ�\_\_\_\_\_\_\_\_\_\_\_ \quad �༶��\_\_\_\_\_\_}

\footnotesize{\color{blue}$*$ ���Ӱ���ҵ��ֱ���ϴ����γ���վ}
\end{center}

\begin{enumerate}
\item ����Table~\ref{Table-True}�е���ֵ�����ֱ��������$A$��$B$������ȡ��ʽ������ȡ��ʽ�����ֱ��Է���$m$��$M$����ʾ��
\begin{table}[h]
\begin{center}
\caption{������ֵ��} \label{Table-True}
\begin{tabular*}{8cm}{p{2cm} p{2cm} p{2cm} p{2cm}}
\hline
$P$ & $Q$ & $A$ & $B$  \\
\hline
$F$ & $F$ & $T$ & $T$  \\
$F$ & $T$ & $T$ & $F$  \\
$T$ & $F$ & $T$ & $F$    \\
$T$ & $T$ & $F$ & $T$  \\
\hline
\end{tabular*}
\end{center}
\end{table}



\item �������й�ʽ�ĺ�ȡ��ʽ����ȡ��ʽ������ȡ��ʽ������ȡ��ʽ��
\begin{enumerate}
\item $(P \wedge Q)\vee (\neg P\wedge Q \wedge R) $
\item $P \leftrightarrow (Q \rightarrow (Q\rightarrow P)) $
\end{enumerate}

\item ʹ����������֤����
\begin{enumerate}
\item $P \rightarrow (Q \rightarrow S)$��$\neg R \vee P$��$Q $ $ \vdash $ $ R \rightarrow S$
\item $\neg (P \rightarrow Q)\rightarrow \neg (R\vee S)$��$(Q \rightarrow P) \vee \neg R$��$R $ $ \vdash $ $ P\leftrightarrow Q$
\end{enumerate}


\end{enumerate}
%========================================================================
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