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Topic: Topologising a Group
Replies: 6   Last Post: Nov 25, 2012 10:39 PM

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Shmuel (Seymour J.) Metz

Posts: 3,338
Registered: 12/4/04
Re: Topologising a Group
Posted: Nov 24, 2012 8:02 PM
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In <Pine.NEB.4.64.1211212025320.22658@panix1.panix.com>, on 11/21/2012
at 08:28 PM, William Elliot <marsh@panix.com> said:

>For all g in G, let B_g = { gU | g in G }.

You're using "g" as both a free variable and a bound variable, and
haven't defined U, either in term of the group or in terms of the
filter. What did you mean to write?

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