https://github.com/halo-dev/halo/issues/3570
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$$ a+b $$
$$g(\lambda ,v)=inf \left\{ g_{1}(\lambda ,v),g_{2}(\lambda ,v), \ldots ,g_{\infty}(\lambda ,v)\right\}$$
$c = \pm\sqrt{a^2 + b^2}$
$$c = \pm\sqrt{a^2 + b^2}$$
$$\begin{align}
x &= a + b + c \\
y &= d + e \\
z &= f + g + h
\end{align}$$