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	<title>De Bruijn indices and levels - Revision history</title>
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	<updated>2026-10-22T22:05:40Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://apm.bplaced.net/w/index.php?title=De_Bruijn_indices_and_levels&amp;diff=20972&amp;oldid=prev</id>
		<title>Apm: basic page</title>
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		<updated>2026-08-21T08:51:34Z</updated>

		<summary type="html">&lt;p&gt;basic page&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{stub}}&lt;br /&gt;
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{{wikitodo|Add minimal explanation.}}&lt;br /&gt;
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== Related ==&lt;br /&gt;
&lt;br /&gt;
* [[Programming languages]]&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
&lt;br /&gt;
* https://en.wikipedia.org/wiki/De_Bruijn_index&lt;br /&gt;
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=== Related interesting idea using a lazy evaluation circular recursive program ===&lt;br /&gt;
&lt;br /&gt;
Blogpost by Pauls Cisuano: &amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;A simple alternative to De Bruijn indexing, from ICFP 2013&amp;#039;&amp;#039;&amp;#039; &amp;lt;br&amp;gt;&lt;br /&gt;
https://pchiusano.github.io/2014-06-20/simple-debruijn-alternative.html&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Using Circular Programs for Higher-Order Syntax&amp;#039;&amp;#039;&amp;#039; &amp;lt;br&amp;gt;&lt;br /&gt;
Functional pearl &amp;lt;br&amp;gt;&lt;br /&gt;
Emil Axelsson Koen Claessen  &amp;lt;br&amp;gt;&lt;br /&gt;
Chalmers University of Technology  &amp;lt;br&amp;gt;&lt;br /&gt;
{emax,koen}@chalmers.se  &amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
* [https://web.archive.org/web/20170701195440/http://www.cse.chalmers.se/~emax/documents/axelsson2013using.pdf via the internet archive]&lt;br /&gt;
* (old direct link, broken bynow) https://www.cse.chalmers.se/~emax/documents/axelsson2013using.pdf&lt;/div&gt;</summary>
		<author><name>Apm</name></author>
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