On Sunday 21 August 2016 at 21:22:38, Damian wrote:

> Am 21.08.2016 um 18:47 schrieb Marc Perkel:
> > Actually - you can match an infinite set. And maybe this is what it's
> > hard for some people to wrap their head around.
> > 
> > Suppose set A contains 2 items, apples and oranges.
> > So we define set B as everything in the universe that is not in set A.
> > So set B is an infinite set, everything in the universe EXCEPT apples
> > and oranges.
> 
> There is no such set B, as it would contain itself.

In that case try the definition: "B contains all possible email tokens which 
are not in set A", thus excluding sets themselves from being members of B.


Antony.

-- 
This sentence contains exacly three erors.

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