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.
Our first test set contain an orange - so it matches set A and not set B.
Our second test set contains a cherry - so it doesn't match set A but it
does match set B.
When you have a method that matches against infinite sets to completely
changes how you think about spam and ham detection.
On 08/16/16 12:57, Shawn Bakhtiar wrote:
/
/
/By they way, you can’t match an infinite set (well theoretically but
not actually). /
/https://en.wikipedia.org/wiki/Intersection_(set_theory)/
<https://en.wikipedia.org/wiki/Intersection_%28set_theory%29>
/
/
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