Natural Such a operate signifies a partial functionality on naturals, in which the evidence of even (n) may be observed like a precondition. Within the Cambridge English Corpus There is no serious distinction between the same old initially-order objects from the mathematical discourse - like naturals, sets and so forth https://vegetarianayurvedicremedies.fitness.blog/2025/09/03/cureayu-vegetarian-healthcare-products-natural-safe/