fact: Axiom F_unique:forall (S0:F_coalgebra) f g, (forall (s0: S0.(states)), w.(transition) (f s0) = (lift_F_ _ _ f) (S0.(transition) s0) ) -> (forall (s0: S0.(states)), w.(transition) (g s0) = (lift_F_ _ _ g) (S0.(transition) s0) ) -> forall s, f s(=) g s.
imports: Bisimulation