fact: Definition Xplus {R : ConstructiveReals} {X : Set} (f g : PartialFunction X) : PartialFunction X := XbinOp f g (CRplus R) (fun x y z t Hxy => CRplus_morph R x y Hxy z t).
imports: List QArith ConstructiveReals ConstructiveAbs ConstructiveMinMax ConstructiveSum ConstructiveLimits ConstructiveRcomplete