Hilbert’s Hotel - An Ingenious Explanation of Infinity
What is ∞ - 1? And why?
Published in
7 min readDec 30, 2021
Imagine that you arrive at an infinite hotel, that is, a hotel with infinitely many rooms in it.
You need a room, the only problem for the receptionist (besides perhaps having a big guest book) is that the hotel is fully occupied and now he needs to find a room for you.
