proposition: Lemma int_abs_0 : int_abs Z N 0 = 0.
proof: Proof. now apply int_abs_0_alt. 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