A compound statement is a statement composed of several individual statements, each of which is called a component statement.
We refer to as the conjunction of A and B.
\hline A & B & A \land B\\ \hline T & T & T\\ T & F & F\\ F & T & F\\ F & F & F\\ \hline \end{array}$$ We refer to $A \lor B$ as the **disjunction** of A. $$\begin{array}{|c|c|c|} \hline A & B & A \lor B\\ \hline T & T & T\\ T & F & T\\ F & T & T\\ F & F & F\\ \hline \end{array}$$