Definition mlift (M : RelModule_data R) {a b} (f : C ⟦a, b⟧) : D ⟦pr1 M a, pr1 M b⟧ := mbind M (#J f · r_eta R _).
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Core.NaturalTransformations. Require Import UniMath.CategoryTheory.Monads.RelativeMonads.