proposition: Lemma alt_Build_Rationals: Rationals F.
proof: Proof. split; intros; apply _. Qed.
imports: Coq.setoid_ring.Ring MathClasses.interfaces.abstract_algebra MathClasses.interfaces.integers MathClasses.interfaces.naturals MathClasses.interfaces.rationals MathClasses.implementations.field_of_fractions MathClasses.implementations.natpair_integers MathClasses.theory.rings MathClasses.theory.integers MathClasses.theory.dec_fields