}
% define theorem environments
-\newcounter{Pr@blem}
-\newtheorem{Pr@blem}[Pr@blem]{Problem}
+%\newcounter{Pr@blem}
+%\newtheorem{Pr@blem}[Pr@blem]{Problem}
+\newtheorem{Pr@blem}{Problem}
\newcommand{\Pr@blemSkip}{0pt} % set to 2\baselineskip when nosolutions, to give breathing room between problems
\newenvironment{problem}{%
\phantomsection%