\newtheorem{problem}{Problem} \theoremstyle{definition} \newtheorem{solution}{Solution}
% Add more problems as needed
Hmm, Overleaf is a web-based LaTeX editor, right? So maybe the user wants a template or a way to write up solutions in Overleaf, possibly with the solutions already filled in. Alternatively, they might want a way to automatically generate solutions or have a repository where others can contribute solutions, which Overleaf supports with real-time collaboration. dummit+and+foote+solutions+chapter+4+overleaf+full
\begin{problem}[4.1.2] Prove that the trivial action is a valid group action. \end{problem} \begin{solution} For any $ g \in G $ and $ x \in X $, define $ g \cdot x = x $. (Proof continues here). \end{solution} Overleaf is a web-based LaTeX editor