fact: Definition Qpos_max_comm : forall x y : Qpos, QposEq (Qpos_max x y) (Qpos_max y x) := @join_comm Qto.
imports: Coq.Logic.Eqdep_dec Coq.QArith.QArith Coq.QArith.Qabs Coq.QArith.Qpower Coq.QArith.Qround CoRN.model.totalorder.QMinMax CoRN.order.TotalOrder