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	<id>https://topospaces.subwiki.org/w/index.php?action=history&amp;feed=atom&amp;title=Weakly_Hausdorff_space</id>
	<title>Weakly Hausdorff space - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://topospaces.subwiki.org/w/index.php?action=history&amp;feed=atom&amp;title=Weakly_Hausdorff_space"/>
	<link rel="alternate" type="text/html" href="https://topospaces.subwiki.org/w/index.php?title=Weakly_Hausdorff_space&amp;action=history"/>
	<updated>2026-06-02T11:27:48Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.41.2</generator>
	<entry>
		<id>https://topospaces.subwiki.org/w/index.php?title=Weakly_Hausdorff_space&amp;diff=4463&amp;oldid=prev</id>
		<title>Vipul: /* Relation with other properties */</title>
		<link rel="alternate" type="text/html" href="https://topospaces.subwiki.org/w/index.php?title=Weakly_Hausdorff_space&amp;diff=4463&amp;oldid=prev"/>
		<updated>2013-07-17T23:25:15Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Relation with other properties&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 23:25, 17 July 2013&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l13&quot;&gt;Line 13:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 13:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|-&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|-&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| [[Weaker than::Hausdorff space]] || any two distinct points are separated by disjoint open subsets || || || {{intermediate notions short|weakly Hausdorff space|Hausdorff space}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| [[Weaker than::Hausdorff space]] || any two distinct points are separated by disjoint open subsets || || || {{intermediate notions short|weakly Hausdorff space|Hausdorff space}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|-&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;| [[Stronger than::KC-space]] || every compact subset of the space is closed || || || {{intermediate notions short|KC-space|weakly Hausdorff space}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l19&quot;&gt;Line 19:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 21:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{| class=&amp;quot;sortable&amp;quot; border=&amp;quot;1&amp;quot;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{| class=&amp;quot;sortable&amp;quot; border=&amp;quot;1&amp;quot;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;! Property !! Meaning !! Proof of implication !! Proof of strictness (reverse implication failure) !! Intermediate notions&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;! Property !! Meaning !! Proof of implication !! Proof of strictness (reverse implication failure) !! Intermediate notions&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|-&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;| [[Stronger than::KC-space]] || every compact subset of the space is closed || || || {{intermediate notions short|KC-space|weakly Hausdorff space}}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|-&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|-&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| [[Stronger than::US-space]] || every sequence of points in the space has at most one limit || || || {{intermediate notions short|US-space|weakly Hausdorff space}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| [[Stronger than::US-space]] || every sequence of points in the space has at most one limit || || || {{intermediate notions short|US-space|weakly Hausdorff space}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Vipul</name></author>
	</entry>
	<entry>
		<id>https://topospaces.subwiki.org/w/index.php?title=Weakly_Hausdorff_space&amp;diff=4459&amp;oldid=prev</id>
		<title>Vipul: Created page with &quot;{{topospace property}}  ==Definition==  A topological space &lt;math&gt;X&lt;/math&gt; is termed a &#039;&#039;&#039;weak Hausdorff space&#039;&#039;&#039;&#039; or &#039;&#039;&#039;weakly Hausdorff space&#039;&#039;&#039; if for every compact H...&quot;</title>
		<link rel="alternate" type="text/html" href="https://topospaces.subwiki.org/w/index.php?title=Weakly_Hausdorff_space&amp;diff=4459&amp;oldid=prev"/>
		<updated>2013-07-17T23:19:09Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{topospace property}}  ==Definition==  A &lt;a href=&quot;/wiki/Topological_space&quot; title=&quot;Topological space&quot;&gt;topological space&lt;/a&gt; &amp;lt;math&amp;gt;X&amp;lt;/math&amp;gt; is termed a &amp;#039;&amp;#039;&amp;#039;weak Hausdorff space&amp;#039;&amp;#039;&amp;#039;&amp;#039; or &amp;#039;&amp;#039;&amp;#039;weakly Hausdorff space&amp;#039;&amp;#039;&amp;#039; if for every compact H...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{topospace property}}&lt;br /&gt;
&lt;br /&gt;
==Definition==&lt;br /&gt;
&lt;br /&gt;
A [[topological space]] &amp;lt;math&amp;gt;X&amp;lt;/math&amp;gt; is termed a &amp;#039;&amp;#039;&amp;#039;weak Hausdorff space&amp;#039;&amp;#039;&amp;#039;&amp;#039; or &amp;#039;&amp;#039;&amp;#039;weakly Hausdorff space&amp;#039;&amp;#039;&amp;#039; if for every [[compact Hausdorff space]] &amp;lt;math&amp;gt;K&amp;lt;/math&amp;gt; and every [[continouus map]] &amp;lt;math&amp;gt;f:K \to X&amp;lt;/math&amp;gt;, the image &amp;lt;math&amp;gt;f(K)&amp;lt;/math&amp;gt; is a [[closed subset]] of &amp;lt;math&amp;gt;X&amp;lt;/math&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
==Relation with other properties==&lt;br /&gt;
&lt;br /&gt;
===Stronger properties===&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;sortable&amp;quot; border=&amp;quot;1&amp;quot;&lt;br /&gt;
! Property !! Meaning !! Proof of implication !! Proof of strictness (reverse implication failure) !! Intermediate notions&lt;br /&gt;
|-&lt;br /&gt;
| [[Weaker than::Hausdorff space]] || any two distinct points are separated by disjoint open subsets || || || {{intermediate notions short|weakly Hausdorff space|Hausdorff space}}&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===Weaker properties===&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;sortable&amp;quot; border=&amp;quot;1&amp;quot;&lt;br /&gt;
! Property !! Meaning !! Proof of implication !! Proof of strictness (reverse implication failure) !! Intermediate notions&lt;br /&gt;
|-&lt;br /&gt;
| [[Stronger than::KC-space]] || every compact subset of the space is closed || || || {{intermediate notions short|KC-space|weakly Hausdorff space}}&lt;br /&gt;
|-&lt;br /&gt;
| [[Stronger than::US-space]] || every sequence of points in the space has at most one limit || || || {{intermediate notions short|US-space|weakly Hausdorff space}}&lt;br /&gt;
|-&lt;br /&gt;
| [[Stronger than::T1 space]] || every singleton subset is closed || || || {{intermediate notions short|T1 space|weakly Hausdorff space}}&lt;br /&gt;
|}&lt;/div&gt;</summary>
		<author><name>Vipul</name></author>
	</entry>
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