Comonoid morphism
= Comonoid morphism
A <morphism> $f:C\to D$ satisfying $\Delta_Df=(f\otimes f)\Delta_C$ and $\varepsilon_Df=\varepsilon_C$.
= Comonoid morphism
A <morphism> $f:C\to D$ satisfying $\Delta_Df=(f\otimes f)\Delta_C$ and $\varepsilon_Df=\varepsilon_C$.