Re: Simple enough for every reader?

Are you aware of the fact that in

{1}
{1, 2}
{1, 2, 3}
...
{1, 2, 3, ..., n}
...

up to every n infinitely many natural numbers of the whole set

{1, 2, 3, ...}

are missing? Infinitely many of them will never be mentioned
individually. They are dark.

Regards, WM