Natural Such a functionality signifies a partial purpose on naturals, in which the proof of even (n) could be witnessed being a precondition. Within the Cambridge English Corpus There is not any serious distinction between the standard initial-order objects from the mathematical discourse - including naturals, sets and so on https://herbalayurvedicmedicine.photo.blog/2025/09/03/ayurvedic-medicine-for-lifestyle-disorders-cureayu-solutions/