Natural This kind of perform signifies a partial function on naturals, where by the proof of even (n) could be found as a precondition. Through the Cambridge English Corpus There isn't any actual distinction between the standard initial-order objects of your mathematical discourse - including naturals, sets and so forth https://naturalhealthproductinindia.blogspot.com/2025/08/cureayu-reliable-ayurvedic-medicine-for.html