\\[
\tag{{{0,1}}{one \\(\C\\)}} meow
\\]

{{1}}{two \\(\R\\) bloop}

\begin{thm}{\\(\Q\\) three}
a
\end{thm}

\begin{thm}[four \\(\Z\\) bleh]
b
\end{thm}

by 1 \ref{one \\(\C\\)} and 2 \ref{two \\(\R\\) bloop} and 3 \ref{\\(\Q\\) three} and 4 \ref{four \\(\Z\\) bleh}
