How do mathematicians measure area for points?
There are two points (adjacent or not adjacent) on top of an infinite plane; how to measure how much area they catch together, as a "set".
Because that if we put a minimal border around the two points that border would be made from ten points by itself and would catch its own ten-point-area, it won't be clear what is really a part of what:
- One set for all points together
- Two different sets: One for the two points and one for the border points