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		<title>Codd's cellular automaton - Revision history</title>
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		<updated>2026-10-23T11:23:12Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://wiki.karljones.com/index.php?title=Codd%27s_cellular_automaton&amp;diff=17956&amp;oldid=prev</id>
		<title>Karl Jones: Created page with &quot;'''Codd's cellular automaton''' is a cellular automaton (CA) devised by the British computer scientist Edgar F. Codd in 1968.  == Description ==  It was designed t...&quot;</title>
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				<updated>2016-09-06T19:05:16Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;#039;&amp;#039;&amp;#039;Codd&amp;#039;s cellular automaton&amp;#039;&amp;#039;&amp;#039; is a &lt;a href=&quot;/index.php/Cellular_automaton&quot; title=&quot;Cellular automaton&quot;&gt;cellular automaton&lt;/a&gt; (CA) devised by the British &lt;a href=&quot;/index.php/Computer_scientist&quot; title=&quot;Computer scientist&quot;&gt;computer scientist&lt;/a&gt; &lt;a href=&quot;/index.php/Edgar_F._Codd&quot; title=&quot;Edgar F. Codd&quot;&gt;Edgar F. Codd&lt;/a&gt; in 1968.  == Description ==  It was designed t...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;'''Codd's cellular automaton''' is a [[cellular automaton]] (CA) devised by the British [[computer scientist]] [[Edgar F. Codd]] in 1968.&lt;br /&gt;
&lt;br /&gt;
== Description ==&lt;br /&gt;
&lt;br /&gt;
It was designed to recreate the computation- and construction-universality of von Neumann's CA but with fewer states: 8 instead of 29.&lt;br /&gt;
&lt;br /&gt;
Codd showed that it was possible to make a self-reproducing machine in his CA, in a similar way to [[Von Neumann universal constructor|von Neumann's universal constructor]], but never gave a complete implementation.&lt;br /&gt;
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== See also ==&lt;br /&gt;
&lt;br /&gt;
* [[Artificial life]]&lt;br /&gt;
* [[Cellular automaton]]&lt;br /&gt;
* [[Conway's game of life]]&lt;br /&gt;
* [[Langton's loops]]&lt;br /&gt;
* [[von Neumann cellular automaton]]&lt;br /&gt;
* [[Von Neumann universal constructor]]&lt;br /&gt;
* [[Wireworld]]&lt;br /&gt;
&lt;br /&gt;
== Exernal links ==&lt;br /&gt;
&lt;br /&gt;
* [ Codd's cellular automaton] @ Wikipedia&lt;br /&gt;
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&lt;br /&gt;
[[Category:Computer science]]&lt;/div&gt;</summary>
		<author><name>Karl Jones</name></author>	</entry>

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