Definition StrongOrder_abgrdiff {X : abmonoid} (gt : StrongOrder X) (Hgt : isbinophrel gt) : StrongOrder (abgrdiff X) := abgrdiffrel X Hgt,, isStrongOrder_abgrdiff gt Hgt (pr2 gt).
Require Import UniMath.MoreFoundations.Orders. Require Import UniMath.MoreFoundations.Subtypes.