fact: Definition commringfracinv1 (X : commring) (S : @subabmonoid (ringmultabmonoid X)) : setquot (eqrelcommringfrac X S) → setquot (eqrelcommringfrac X S) := setquotfun (eqrelcommringfrac X S) (eqrelcommringfrac X S) (commringfracinv1int X S) (commringfracinv1comp X S).
imports: UniMath.Algebra.Groups UniMath.MoreFoundations.Sets UniMath.MoreFoundations.Orders UniMath.Algebra.Monoids