Date: Nov 19, 2012 4:08 AM
Author: David Hartley
Subject: Re: definition of closure in topological space question

In message <Pine.NEB.4.64.1211181925180.8380@panix2.panix.com>, William 
Elliot <marsh@panix.com> writes
>BTY, your proof doesn't require the space to be Hausdorff, T1 or T0.

Since you were careful to talk of normal T1 spaces, I assumed you follow
the convention that regularity and normality do not require T1.
--
David Hartley