Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.


Math Forum
»
Discussions
»
sci.math.*
»
sci.math
Notice: We are no longer accepting new posts, but the forums will continue to be readable.
Topic:
Property related to denseness
Replies:
8
Last Post:
Jan 16, 2013 4:34 PM




Re: Property related to denseness
Posted:
Jan 14, 2013 1:55 PM


In article <d2c170e4b59b4c738a7324374fc8b6e1@googlegroups.com>, Paul <pepstein5@gmail.com> writes:
>Let A be a subset of the topological space of X.
>What is the standard terminology for the property > that X = the intersection of all the open sets that contain A?
The trivial topology?
If these two Xs refer to the same thing, then I don't see how X could be the intersection of more than one subset of X, and I don't see how that subset could be anything other than X.
 Michael F. Stemper #include <Standard_Disclaimer> 2 + 2 = 5, for sufficiently large values of 2



