but is not necessarily positive! we can remove this difficulty by using the inequality
Actually for almost all .
It was given that is a positive sequence and we know that .
Therefore, for almost all we have which implies .
So you are mistaken. Comparison works.
Actually for almost all .
It was given that is a positive sequence and we know that .
Therefore, for almost all we have which implies .
So you are mistaken. Comparison works.