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	<id>https://en.formulasearchengine.com/index.php?action=history&amp;feed=atom&amp;title=Identity_element</id>
	<title>Identity element - Revision history</title>
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	<updated>2026-04-09T08:36:52Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Identity_element&amp;diff=219866&amp;oldid=prev</id>
		<title>en&gt;Cydebot: Robot - Moving category One to :Category:1 (number) per CFD at Wikipedia:Categories for discussion/Log/2014 November 19.</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Identity_element&amp;diff=219866&amp;oldid=prev"/>
		<updated>2014-11-28T22:01:11Z</updated>

		<summary type="html">&lt;p&gt;Robot - Moving category One to &lt;a href=&quot;/index.php?title=Category:1_(number)&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Category:1 (number) (page does not exist)&quot;&gt;Category:1 (number)&lt;/a&gt; per &lt;a href=&quot;/index.php?title=WP:CFD&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;WP:CFD (page does not exist)&quot;&gt;CFD&lt;/a&gt; at &lt;a href=&quot;https://en.wikipedia.org/wiki/Categories_for_discussion/Log/2014_November_19&quot; class=&quot;extiw&quot; title=&quot;wikipedia:Categories for discussion/Log/2014 November 19&quot;&gt;Wikipedia:Categories for discussion/Log/2014 November 19&lt;/a&gt;.&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Identity_element&amp;amp;diff=219866&amp;amp;oldid=522&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>en&gt;Cydebot</name></author>
	</entry>
	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Identity_element&amp;diff=522&amp;oldid=prev</id>
		<title>82.9.185.151: remove unhelpful link to just one related concept - if magma is meant here rather than related concepts in general then that is what the text should say</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Identity_element&amp;diff=522&amp;oldid=prev"/>
		<updated>2014-01-20T22:16:13Z</updated>

		<summary type="html">&lt;p&gt;remove unhelpful link to just one related concept - if magma is meant here rather than related concepts in general then that is what the text should say&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Identity_element&amp;amp;diff=522&amp;amp;oldid=219865&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>82.9.185.151</name></author>
	</entry>
	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Identity_element&amp;diff=219865&amp;oldid=prev</id>
		<title>en&gt;Vaughan Pratt: /* Examples */ -- added unknot example</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Identity_element&amp;diff=219865&amp;oldid=prev"/>
		<updated>2012-08-23T05:53:20Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Examples: &lt;/span&gt; -- added unknot example&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Identity_element&amp;amp;diff=219865&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>en&gt;Vaughan Pratt</name></author>
	</entry>
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