Closed GuoHaoyang17295 closed 1 month ago
You can add a line \usepackage{amsmath,amssymb} before \begin{document}
\usepackage{amsmath,amssymb}
\begin{document}
Would be good to close this given its resolved!
You can add a line
\usepackage{amsmath,amssymb}
before\begin{document}