fact: Definition commringfracop1 (X : commring) (S : @subabmonoid (ringmultabmonoid X)) : binop (setquotinset (eqrelcommringfrac X S)) := setquotfun2 (eqrelcommringfrac X S) (eqrelcommringfrac X S) (commringfracop1int X S) (commringfracop1comp X S).
imports: UniMath.Algebra.Groups UniMath.MoreFoundations.Sets UniMath.MoreFoundations.Orders UniMath.Algebra.Monoids