Natural This type of function represents a partial functionality on naturals, exactly where the evidence of even (n) can be found as a precondition. With the Cambridge English Corpus There is no serious distinction between the usual 1st-order objects with the mathematical discourse - including naturals, sets and so forth https://ayurvedicproductonlinesale.blogspot.com/2025/09/ayurvedic-remedies-for-modern-living.html