https://subwiki.org/w/index.php?action=history&feed=atom&title=Normal_space 2026-05-25T01:35:39Z Revision history for this page on the wiki MediaWiki 1.41.2 https://subwiki.org/w/index.php?title=Normal_space&diff=19&oldid=prev 2008-05-14T16:28:56Z

<p>New page: &lt;noinclude&gt;<a href="/w/index.php?title=Status::Basic_definition&amp;action=edit&amp;redlink=1" class="new" title="Status::Basic definition (page does not exist)"> </a><a href="/w/index.php?title=Topic::Point-set_topology&amp;action=edit&amp;redlink=1" class="new" title="Topic::Point-set topology (page does not exist)"> </a><a href="/w/index.php?title=Primary_wiki::Topospaces&amp;action=edit&amp;redlink=1" class="new" title="Primary wiki::Topospaces (page does not exist)"> </a>&lt;/noinclude&gt; &#039;&#039;&#039;Normal space&#039;&#039;&#039;: A topological space is termed normal if all points ar...</p> <p><b>New page</b></p><div>&lt;noinclude&gt;[[Status::Basic definition| ]][[Topic::Point-set topology| ]][[Primary wiki::Topospaces| ]]&lt;/noinclude&gt;<br /> &#039;&#039;&#039;Normal space&#039;&#039;&#039;: A topological space is termed normal if all points are closed sets (the &lt;math&gt;T_1&lt;/math&gt; assumption), and any two disjoint closed subsets can be separated by disjoint open subsets.<br /> <br /> In some definitions, the &lt;math&gt;T_1&lt;/math&gt; assumption is skipped.<br /> <br /> Related terms: normality (the property of a topological space being normal)<br /> <br /> Term variations: [[Topospaces:Category:Variations of normality|Variations of normality]] offers a list.<br /> <br /> Primary subject wiki entry: [[Topospaces:Normal space]]<br /> <br /> Also located at: [[Wikipedia:Normal space]], [[Planetmath:NormalSpace]], [[Mathworld:NormalSpace]]</div>

Vipul