If verifies that how is it called?
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Originally Posted by Connected If verifies that how is it called? Is there a typo here?
Because this is always true since .
Last edited by bkarpuz; March 30th 2011 at 05:09 PM.
No, no typo, it's just that I want to know how the point is called.
Originally Posted by Connected No, no typo, it's just that I want to know how the point is called. Then I want to learn this too.
Haha, okay, perhaps another known example: is said to be an interior point of if
is said to be an accumulation (limit) point of
provided that for every .
May be you are looking for this one?
Got it, the concept is "adherent point."
Originally Posted by Connected Got it, the concept is "adherent point." What you mean to say is that or etc.
I think the other name that has is "closure point," does that make sense?