proposition: Lemma israbsorb_CFzero_CFmult : ∏ x : X, x * 0 = 0.
proof: Proof. now apply ringmultx0. Qed.
imports: UniMath.Algebra.DivisionRig UniMath.Algebra.Domains_and_Fields UniMath.Algebra.Apartness UniMath.MoreFoundations.Tactics