Natural Such a functionality signifies a partial functionality on naturals, in which the evidence of even (n) may be witnessed to be a precondition. From the Cambridge English Corpus There's no serious distinction between the standard first-order objects in the mathematical discourse - such as naturals, sets and so on https://bestayurvedicbrand.food.blog/2025/09/03/cureayu-natural-healthcare-solutions-for-mind-body-balance/