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Re:The Legend of Abraham Wald by hackandthink on Sunday February 12, 2023 @11:30AM (#34764108)
(when following Wald's work on rearranging series)

This is a nice riddle:

Is summing the series:

1, -1, 1, 1,....

0 = (1-1)+(1-1)+(1-1)....=0+0+0...

or

1 = 1+(-1+1)+(-1+1)+(-1+1)....=1+0+0+0...

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