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  1. 1 + 2 + 3 + 4 + ... = -1/12

    1. Show previous comments  11 more
    2. Piezo


      Fredrik said:

      This may not seem different from the standard false proofs that 1=2 (typically using an obscured division by zero).

      There was a guy that proved that God existed using math. A buddy of mine has a mathemagician friend that proved that he didn't because he divided by zero.

      Psyonisis said:

      You know I understand 0.999... = 1 just fine, but this is really pushing ridiculousness.

      I remember there was a long discussion about why that's true and the thread apparently got out of hand before I could pop in and explain it:
      If there's an infinitely repeating single digit decimal number, place it over 9. 0.999 . . . = 1 because 9/9 =1.
      Another example is 0.333 . . . = 1/3 because 3/9 = 1/3.
      I was surprised nobody else said it.

    3. AndrewB


      Peizo, anyone who remembers that thread will likely get stomach pains just thinking of it. It was so divided that I'd say at least 40% of people were wrong about it.

      As much as I'd like to toss in my opinion on 0.repeating9, it's not worth it and would just derail a thread.

    4. myk


      Fredrik said:
      (is nature playing tricks on us?)

      More like math is mental stuff.