\makeatletter
\newcommand{\hlabel}[2]{\write\@auxout{\string\newlabel{#1}{{#2}{0}}}}
\makeatother

\hlabel{info}{1}        % course information
\hlabel{proofs_gen}{2}  % correct and incorrect non-induction proofs
\hlabel{tiling}{3}	% worksheet for the L-tiling problem
\hlabel{proofs_ind}{4}  % correct and incorrect induction proofs
\hlabel{hw1}{5}		% homework on proofs
\hlabel{hw2}{6}		% homework on probability
\hlabel{hw3}{7}		% homework on probability

