Re: infinity

snapdragon31 wrote:
> Actually it is impossible for the second minute to be reached.
> The process in the second minute definitely will not be able to
> empty the vase because oo - anything = oo.

Actually, any of these can be true, depending upon what 'x' is:
oo - x = 0
oo - x = oo
oo - x = -oo
oo - x = finite y
oo - x = unknown

That's why we say that it's undefined.

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