In <email@example.com>, on 02/26/2013 at 11:32 AM, Don Kuenz <firstname.lastname@example.org> said:
>It's a fact that the best and brightest Germans used the >up-against-the-wall technique during WWII.
"Once it goes up who cares where it comes down. That's not my department"
>Throw Complex Variables up against the wall. Does that stick? No. >The infinity used by Complex Variables is just the same old infinity > used everywhere else.
There is no "the same old infinity used everywhere else."
>In other words, the infinity that occurs at the ends of a line in >1-dimensional space
There is no "the infinity that occurs at the ends of a line in 1-dimensional space" The one point compactification of the reals is different from the two point compactification, and oo, +oo and -oo are different from each other.
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