N(number); No(number); NR(number); number(A = B for all n except a finite number (или for all but finitely many n) • Q contains all but a countable number of the Xj • a number of results concerning this problem are published • N is the number of times that this contour winds around O • there are a number of results concerning this problem • this conclusion is valid for a countable number of points
• we consider a number of results concerning this problem
); a few(небольшое количество • only a few of these results have been published before • quite a few of (a considerable number) of these results are now widely used;); countably many(there are only countably many elements q of Q with); Q(quantity)
