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	<title>Elementarily equivalent groups - Revision history</title>
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	<updated>2026-06-27T05:53:27Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://groupprops.subwiki.org/w/index.php?title=Elementarily_equivalent_groups&amp;diff=20337&amp;oldid=prev</id>
		<title>Vipul: Created page with &#039;==Definition==  Two groups &lt;math&gt;G&lt;/math&gt; and &lt;math&gt;H&lt;/math&gt; are termed &#039;&#039;&#039;elementarily equivalent&#039;&#039;&#039; if the following equivalent conditions are satisfied:  * Any first-order sen…&#039;</title>
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		<updated>2009-08-15T19:48:24Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;#039;==Definition==  Two groups &amp;lt;math&amp;gt;G&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;H&amp;lt;/math&amp;gt; are termed &amp;#039;&amp;#039;&amp;#039;elementarily equivalent&amp;#039;&amp;#039;&amp;#039; if the following equivalent conditions are satisfied:  * Any first-order sen…&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;==Definition==&lt;br /&gt;
&lt;br /&gt;
Two groups &amp;lt;math&amp;gt;G&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;H&amp;lt;/math&amp;gt; are termed &amp;#039;&amp;#039;&amp;#039;elementarily equivalent&amp;#039;&amp;#039;&amp;#039; if the following equivalent conditions are satisfied:&lt;br /&gt;
&lt;br /&gt;
* Any first-order sentence in the theory of groups satisfied by &amp;lt;math&amp;gt;G&amp;lt;/math&amp;gt; is also satisfied for &amp;lt;math&amp;gt;H&amp;lt;/math&amp;gt;, and vice versa.&lt;br /&gt;
* There is an elementary local isomorphism between &amp;lt;math&amp;gt;G&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;H&amp;lt;/math&amp;gt;.&lt;/div&gt;</summary>
		<author><name>Vipul</name></author>
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