Natural This type of purpose signifies a partial functionality on naturals, the place the evidence of even (n) might be found as being a precondition. Within the Cambridge English Corpus There is absolutely no serious distinction between the standard first-order objects of the mathematical discourse - for instance naturals, sets https://share.evernote.com/note/8017dd9b-bae1-b7b2-e7a5-981f51e2ee16