Definition commringfracop2int (X : commring) (S : @subabmonoid (ringmultabmonoid X)) : binop (X × S) := abmonoidfracopint (ringmultabmonoid X) S.
Require Import UniMath.Algebra.Groups. Require Import UniMath.MoreFoundations.Sets. Require Import UniMath.MoreFoundations.Orders.