Yes, but you cannot *assume* that the values are finite in the "proof" that they... | Hacker News

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lisper on Jan 18, 2014 | parent | context | favorite | on: The sum of all the positive integers is not -1/12

Yes, but you cannot assume that the values are finite in the "proof" that they are finite. You have to prove that they are finite before you are allowed to manipulate them as finite quantities.

dnautics on Jan 18, 2014 [–]

to prove by contradiction, that's exactly what you do. You assume they are finite, use allowed operations, show a contradiction.

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