fact: Definition absemigr_perm201 : ∏ X : hSet, ∏ opp : binop X, ∏ is : isabsemigrop opp, ∏ n0 n1 n2, opp (opp n0 n1) n2 = opp (opp n1 n2) n0 := λ X opp is n0 n1 n2, pathscomp0 ((pr1 is) n0 n1 n2) ((pr2 is) n0 (opp n1 n2)).
imports: UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Tactics.Monoids_Tactics UniMath.Tactics.Utilities