1
\begin{isabelle}%
2
\isacommand{lemma}\ {"}{\isasymnot}\ m\ <\ n\ {\isasymand}\ m\ <\ n+1\ {\isasymLongrightarrow}\ m\ =\ n{"}\isanewline
3
\end{isabelle}%
4
%%% Local Variables:
5
%%% mode: latex
6
%%% TeX-master: "root"
7
%%% End: