Natural Such a function signifies a partial function on naturals, the place the proof of even (n) might be noticed as a precondition. With the Cambridge English Corpus There isn't a actual distinction between the standard initially-order objects from the mathematical discourse - such as naturals, sets and so on https://naturalhealthproducts.sport.blog/2025/08/18/cureayu-pure-effective-vegetarian-ayurvedic-remedies/