I think the example has more to do with applying the theorem, while the post is about deriving it, so I’m not sure the post helps with the example directly.
The example can be used to geometrically illustrate (and prove) the theorem. The whole city population can be represented as a square. On X axis is represented the number of people in the city in glasses. On Y axis, the number of people in with different professions. Below is AI generated image based on my prompt:
I think the example has more to do with applying the theorem, while the post is about deriving it, so I’m not sure the post helps with the example directly.
The example can be used to geometrically illustrate (and prove) the theorem. The whole city population can be represented as a square. On X axis is represented the number of people in the city in glasses. On Y axis, the number of people in with different professions. Below is AI generated image based on my prompt: