\[
\begin{array}{c|c||c|c|c|c|c}
p   & q   & p\land q & \neg (p\land q) & \neg p & \neg q & \neg p \lor \neg q\\ \hline
\Tt & \Tt & \Tt      & \Ff             & \Ff    & \Ff    & \Ff \\
\Tt & \Ff & \Ff      & \Tt             & \Ff    & \Tt    & \Tt \\
\Ff & \Tt & \Ff      & \Tt             & \Tt    & \Ff    & \Tt \\
\Ff & \Ff & \Ff      & \Tt             & \Tt    & \Tt    & \Tt
\end{array}
\]

