-We have explained how to construct truly chaotic neural networks, how
-to check whether a given MLP is chaotic or not, and how to study its
-topological behavior. The last thing to investigate, when comparing
-neural networks and Devaney's chaos, is to determine whether
-artificial neural networks are able to learn or predict some chaotic
-behaviors, as it is defined in the Devaney's formulation (when they
+\begin{figure}
+ \centering
+ \includegraphics[scale=0.625]{scheme}
+ \caption{Summary of addressed membership problems}
+ \label{Fig:scheme}
+\end{figure}
+
+The Figure~\ref{Fig:scheme} is a summary of the addressed problems.
+Section~\ref{S2} has explained how to construct a truly chaotic neural
+networks $A$ for instance.
+Section~\ref{S3} has shown how to check whether a given MLP
+$A$ or $C$ is chaotic or not in the sens of Devaney.
+%, and how to study its topological behavior.
+The last thing to investigate, when comparing
+neural networks and Devaney's chaos, is to determine whether
+an artificial neural network $A$ is able to learn or predict some chaotic
+behaviors of $B$, as it is defined in the Devaney's formulation (when they