다른 장의 하위 섹션 제목 글꼴 크기를 변경하는 방법

Question

내 프로젝트에서 1장과 2장의 하위 섹션 제목 글꼴 크기를 변경하고 싶습니다. 여기서 1장의 하위 섹션은 큰 크기로, 2장의 하위 섹션은 큰 크기로 설정해야 합니다. 어떻게 해야 합니까? 감사해요

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\begin{document}
{\large
\chapter{Knowledge}
\section{Algebra}
\subsection{Matrix.}
\subsubsection{Definition.}
\subsubsection{Proposition.}
\subsection{Vector space.}
\subsubsection{Definition.}

\vspace{.5cm}
\section{Analysis}
\subsection{Metric space.}
\subsubsection{Definition.}
\subsection{Continuous map.}
\subsubsection{Definition.}
\vspace{.5cm}
\section{Topology}
\subsection{Manifold.}
\subsubsection{Definition.}
\subsubsection{Lemma.}

\chapter{Spacetime}
\section{Space and time}
\subsection{Definition.}
\subsection{Proposition.}
\vspace{.5cm}
\section{Inertial frames}
\subsection{Definition.}
\subsection{Theorem.}

}
\end{document}