Natural Such a purpose signifies a partial function on naturals, the place the evidence of even (n) could be witnessed to be a precondition. Through the Cambridge English Corpus There is no true difference between the usual to start with-order objects on the mathematical discourse - such as naturals, sets https://vegetarianayurvedicremedies.photo.blog/2025/08/18/cureayu-trusted-natural-health-products-india-for-all-ages/