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# Why is infinity minus infinity undefined?

Wiki User

2013-03-20 21:26:11

Infinity is a concept, not an actual number.

Someone may say the number of stars is infinite, or that the number of fractions between 0 and 1 is infinite, or that the number of even numbers is infinite. But these are not things that can be subtracted.

Wiki User

2013-03-20 21:26:11