\import[ontology]{./ontologies/math}
\begin{math}
	\sum_{i=5}^10 \\
	\int_{\var{x} -> -1}^{\var{x} -> 1} \sqrt{x^{2} - 1} dx &= \frac{π}{2}\\
	\fun{f}{x, y} |-> \frac{x^{2}}{2} + y^2\\
	$ a ^ 2 + \var{b}^2 &= $c^{2} \\
	a^\frac{1}{2} &= \sqrt{a}
\end{math}