Definition fginv_binopfun_homot {X : hSet} (l : free_monoid (setcoprod X X)) : fginv_binopfun X l = fginv l := idpath _.
Require Import UniMath.MoreFoundations.Subtypes. Require Import UniMath.MoreFoundations.Sets. Require Import UniMath.Algebra.Monoids. Require Import UniMath.Algebra.Groups. Require Import UniMath.Algebra.IteratedBinaryOperations. Require Import UniMath.Combinatorics.Lists.