Definition:Logical NOR/Truth Table/Matrix Form

Definition
The characteristic truth table of the logical NOR operator $p \downarrow q$ can be presented in matrix form as follows:
 * :$\begin {array} {c|cc}

\downarrow & \T & \F \\ \hline \T & \F & \F \\ \F & \F & \T \\ \end {array}$