fact: Definition maybe_mu : maybe_functor ∙ maybe_functor ⟹ maybe_functor := coproduct_nat_trans C C co (constant_functor C C o) maybe_functor maybe_functor (coproduct_nat_trans_in1 C C co (constant_functor C C o) (functor_identity C)) (nat_trans_id maybe_functor).
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.Tactics UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Monads.Monads UniMath.CategoryTheory.Limits.BinCoproducts UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.whiskering UniMath.CategoryTheory.Monads.LModules