Natural This kind of function signifies a partial perform on naturals, in which the proof of even (n) might be observed to be a precondition. From your Cambridge English Corpus There is no true distinction between the same old very first-order objects of your mathematical discourse - which include naturals, https://buyayurvedicproductsonline.data.blog/2025/08/18/cureayu-pure-effective-vegetarian-ayurvedic-remedies/