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Feb6-12, 12:10 PM
P: 26
Thank you, that was a lovely answer.

I won't be able to fully understand the topic in the link yet, but it's on my to-do list now.

Can you explain a bit on: "a measure gives a value (A) to any subset A, and obeys (A U B) = (A) + (B)"?
I understand what subset and union mean, but you didn't say what B is. Also, can you tell me how "obeys (A U B) = (A) + (B)" applies to finding the area of a rectangle?

I hope I'm not being boring by asking these questions and reading more myself. Right now, because I'm short on time, I'm just trying to get a general idea, not delve deeply and look for exact answers.