proposition: Lemma pb_LModule_comp_law (c : B) : (pb_LModule_σ m (pb_LModule m' T'')) c = (pb_LModule_σ (m · m') T'') c.
proof: Proof. cbn. etrans; [apply assoc|]. apply cancel_postcomposition. apply pathsinv0. apply functor_comp. Qed.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.Tactics UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.whiskering UniMath.CategoryTheory.Limits.Terminal UniMath.CategoryTheory.Limits.BinCoproducts UniMath.CategoryTheory.Monads.Monads