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These seem like "indefinite" numbers, that don't have a value in the same way as rationals or reals. Is there any truth to that intuition? Can you do calculus w

• Someone 7y ago
  Arithmetic and even exponentiation are doable (https://en.wikipedia.org/wiki/Surreal_number#Exponential_function https://en.wikipedia.org/wiki/Surreal_number#Exponential_fun...) I’ve never seen derivatives or integrals, but https://math.stackexchange.com/questions/112492/integral-of-a-function-defined-in-the-set-of-surreal-numbers https://math.stackexchange.com/questions/112492/integral-of-... claims one can define them.