fact: Definition nonNegFunc {R : ConstructiveReals} {X : Set} (f : @PartialFunction R X) : Prop := forall (x : X) (xdf : Domain f x), 0 <= partialApply f x xdf.
imports: List QArith ConstructiveReals ConstructiveAbs ConstructiveMinMax ConstructiveSum ConstructiveLimits ConstructiveRcomplete