fact: Definition le (x y: T): Prop := forall q, is_bound y q -> forall r, `q < `r -> is_bound x r.
imports: Coq.QArith.Qabs CoRN.model.ordfields.Qordfield CoRN.model.structures.Qpossec Coq.QArith.Qminmax Coq.setoid_ring.Ring Coq.Program.Program