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The catch is in the 6th step, where the extraction of the (-) is made so that it stealthy breaks the assumed parity of the series:
in 1 - (1 - 1 + 1 - 1 + ... ) there's a hidden (+ 1) at the end, so the series should actually look like:
1 - (1 - 1 + 1 - 1 + ... + 1 - 1 + 1)
so close! but the explanation is not quite right
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I could express it like so:
The proposition starts with ( 1 - 1 ) + ( 1 - 1 ) + ( 1 - 1 ) = 0
Then expands it, but it does so ignoring the last part. We can make the same infinite expansion keeping the representation of the last part, like so:
( 1 - 1 ) + ( 1 - 1 ) + ... + ( 1 - 1 ) = 0 , instead of ( 1 - 1 ) + ( 1 - 1 ) + ... = 0
If we take the (-1) from the new representation, we can see that in reality what we get is:
1 - (1 - 1 + 1 - 1 + ... + 1 - 1 + 1) = 0
while the 1 - (1 - 1 + 1 - 1 + ... ) = 0 notation makes it look like if the series ends, in the infinite, like
1 - (1 - 1 + 1 - 1 + ... + 1 - 1 ) = 0
Which is not the true form of the first proposed series.
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nailed it! it's in the number of terms!
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Awesome! Thank you for making this fun and for the bounty, much appreciated :)
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20 sats \ 1 reply \ @j7hB75 17 Jun
You played well.