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# What does this notation mean (functional analysis)? Tweet

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1. What does this notation mean (functional analysis)?
Does anyone know what the notation means?

To put it in context, there's a question "Show that is separable if and that is separable". The solution (for ) involves showing that the sequence of standard unit vectors (1,0,0,...), (0,1,0,...0),... are a countable sequence with dense linear span.

Then it says "The case for is similar but a tiny bit easier". But that doesn't tell me what means!
2. Re: What does this notation mean (functional analysis)?
(Original post by ttoby)
Does anyone know what the notation means?
From Functional Analysis by Pryce.

as a subspace of

But don't ask me anything about it, as it's rather beyond me.
Last edited by ghostwalker; 10-05-2012 at 07:27.
3. Re: What does this notation mean (functional analysis)?
(Original post by ghostwalker)
From Functional Analysis by Pryce.

as a subspace of

But don't ask me anything about it, as it's rather beyond me.
Thanks for the help! (it's not letting me rep you)
4. Re: What does this notation mean (functional analysis)?
(Original post by ttoby)
Thanks for the help!
Glad it was useful; you help a lot of people on here, yourself.

In case it comes up: , again, of

it's not letting me rep you
No sweat. Thanks for the thought.