fact: Definition CFinv {X : ConstructiveField} (x : X) (Hx0 : x ≠ CFzero) : X := CCDRinv (X := ConstructiveField_ConstructiveCommutativeDivisionRig X) x Hx0.
imports: UniMath.Algebra.DivisionRig UniMath.Algebra.Domains_and_Fields UniMath.Algebra.Apartness UniMath.MoreFoundations.Tactics