fact: Definition CommDivRig_islinv: ∏ (x : F) (Hx : x != 0), / (x,, Hx) * x = 1 := DivRig_islinv.
imports: UniMath.Foundations.Sets UniMath.Algebra.RigsAndRings UniMath.Algebra.Domains_and_Fields UniMath.MoreFoundations.Tactics