proposition: Lemma int_abs_unique (a b : IntAbs Z N) (z : Z) : int_abs Z N (ia:=a) z = int_abs Z N (ia:=a) z.
proof: Proof. now apply int_abs_unique_respectful. Qed.
imports: Coq.setoid_ring.Ring MathClasses.interfaces.naturals MathClasses.interfaces.abstract_algebra MathClasses.interfaces.orders MathClasses.orders.nat_int MathClasses.theory.integers MathClasses.theory.rings MathClasses.orders.rings