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--- a/draft/draft.tex
+++ b/draft/draft.tex
@@ -1684,6 +1684,8 @@ Having lax versions of a symmetric relator, allows us to have simulation relatio
 \begin{definition}[Double Coalgebra]
 	Given a double category $\BC_1\rightrightarrows\BC_0$, and a $F$-double relator $\relar$, a pair $(\mathcal{R},\delta)$ is an $\relar$-double coalgebra on $\BC_1\rightrightarrows\BC_0$.
 \end{definition}
+\todo{First, finish the subsection in section 2, then come back here and continue this by saying that every relator is a double relator in $\Set$, and then define symmetric double relators, and then instantiate every notion that you have introduced in previous sections.}
+\todo{Perhaps in the future you can also introduce properties of relators for double relatros.}
 \section{Symmetric Simulation is a Bisimulation}
 \todo{Obviously, this chapter should be changed. All the definitions should be moved to somewhere else. You should start the chapter by giving your counter examples, and then presenting your proofs.}
 \begin{definition}[Graph]