fact: Definition ringmultwithminus1 (X : ring) : ∏ x : X, paths (op2 ringminus1 x) (ringinv1 x) := ringmultwithminus1_is (ringaxs X).
imports: UniMath.Algebra.Groups UniMath.MoreFoundations.Sets UniMath.MoreFoundations.Orders UniMath.Algebra.Monoids