Definition ringmultfun {X Y : ring} (f : ringfun X Y) : monoidfun (ringmultmonoid X) (ringmultmonoid Y) := monoidfunconstr (pr2 (pr2 f)).
Require Import UniMath.Algebra.Groups. Require Import UniMath.MoreFoundations.Sets. Require Import UniMath.MoreFoundations.Orders.