\begin{questionSection}{Soundness and Completeness of Natural Deduction}
\question{decidability/0001.tex}
         {no_solution}
         {3cm}
\question{decidability/0002.tex}
         {no_solution}
         {3cm}
\question{decidability/0003.tex}
         {no_solution}
         {3cm}
\question{decidability/0004.tex}
         {no_solution}
         {3cm}
\question{decidability/0005.tex}
         {no_solution}
         {3cm}
\question{decidability/0006.tex}
         {no_solution}
         {3cm}
\end{questionSection}