fact: Definition Qpos_power (x:Qpos) (z:Z) : Qpos := exist _ _ (Qpos_power_ispos x z).
imports: Coq.Logic.Eqdep_dec Coq.QArith.QArith Coq.QArith.Qabs Coq.QArith.Qpower Coq.QArith.Qround CoRN.model.totalorder.QMinMax CoRN.order.TotalOrder