(* -*- coding:utf-8 -*- *) (************************************************************************) (* * The Coq Proof Assistant / The Coq Development Team *) (* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) (* (∃ y v, x + v ≥ y + z) ∨ x ≤ 0. *) (* Integer Arithmetic *) (* TODO: this should come after ZArith Notation "x ≤ y" := (Z.le x y) (at level 70, no associativity). *)