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Topic: Willard's Notable Notation
Replies: 4   Last Post: Aug 1, 2013 9:38 PM

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Posts: 221
Registered: 12/13/04
Re: Willard's Notable Notation
Posted: Aug 1, 2013 6:29 PM
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William Elliot <> wrote:
> On p270 of Willard's "General Topology" he writes:
> for mu a nuniformity, if U,V in mu, then
> { A /\ B | A in B | A in U, B in V }
> is also in mu.
> What the heck is he talking about? How can A be in B?
> Does he mean, { A /\ B | A in B and A in U, B in V } ?

Most likely the whole thing is a misprint and he means

{ A /\ B | A in U, B in V }


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