Welcome to r/counting, the self-proclaimed “most productive place on reddit,” where users are counting up to infinity, one digit at a time, all day, every day. Why are they doing this?

Without the theorem of the excluded middle, all kinds of difficulties arise. In fact, many mathematical proofs are based on this very principle. It is no surprise, then, that only a few mathematicians ...

By Mikael Leppä To explain such limitlessly to the child, the explanation that Mr. Dominus uses is " infinity is the smallest number you can not count ".

Infinity is one of those things with a preprogrammed boggle factor. Mathematically, it started off as a way of expressing the fact that some things, like counting, have no obvious end.