�p��פG��ҢIApr 22, 1999

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1.

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$\begin{displaymath}\int_0^1 e^{-x^2}\,dx \end{displaymath}$

2.

�s�y�H�U�ƾǦ�� Maple ��O�O��H

$\begin{displaymath}\int_0^1 e^{-x^2}\,dx \end{displaymath}$

3.

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10.

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12.

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$\begin{displaymath}\matrix{P & Q & P\Rightarrow Q \cr\noalign{\smallskip\hrule\smallskip } 0 & 0 & 1\cr 0 & 1 & 1\cr 1 & 0 & 0\cr 1 & 1 & 1} \end{displaymath}$

��ҩ� $P\Rightarrow Q$ �� $\overline{P}+Q$ (�D P �� Q)�C

13.

�а� $P\Rightarrow Q$ �� $\overline{Q}\Rightarrow\overline{P}$ �ܡH �а� $P\Rightarrow Q$ �� $Q\Rightarrow P$ �ܡH�ҩ��z��סC

14.

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19.

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20.

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Back to the home page of Wei-Chang Shann.
Connect to the home page of Department of Mathematics, National Central University, Taiwan.

shann@math.ncu.edu.tw

�p������פG�����ҢIApr 22, 1999

�p��פG��ҢIApr 22, 1999