\[qwqaq=\left\{\begin{array}{lc}
qwq\\
qaq
\end{array}\right.\]
$$qwqaq=\left\{\begin{array}{lc}
qwq\\
qaq
\end{array}\right.$$
\[\begin{equation*}\begin{split}
qwqaq&=qwq\\
&=qaq
\end{split}\end{equation*}\]
$$\begin{equation*}\begin{split}
qwqaq&=qwq\\
&=qaq
\end{split}\end{equation*}$$
\[\land\vee
\]
$$\land\vee$$