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	<title>Parametric polymorphism - Revision history</title>
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	<updated>2026-05-07T20:30:22Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Parametric_polymorphism&amp;diff=245299&amp;oldid=prev</id>
		<title>en&gt;Sebgod: Add Mercury to languages</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Parametric_polymorphism&amp;diff=245299&amp;oldid=prev"/>
		<updated>2015-01-08T07:34:04Z</updated>

		<summary type="html">&lt;p&gt;Add Mercury to languages&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 09:34, 8 January 2015&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-l364&quot;&gt;Line 364:&lt;/td&gt;
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&lt;/table&gt;</summary>
		<author><name>en&gt;Sebgod</name></author>
	</entry>
	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Parametric_polymorphism&amp;diff=245298&amp;oldid=prev</id>
		<title>en&gt;GregRos: /* Rank-1 (prenex) polymorphism */ As far as I can tell, this unsourced statement is false. You need type annotations to use impredictable types in Haskell , e.g. http://www.haskell.org/haskellwiki/Impredicative_types</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Parametric_polymorphism&amp;diff=245298&amp;oldid=prev"/>
		<updated>2014-02-14T11:32:08Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Rank-1 (prenex) polymorphism: &lt;/span&gt; As far as I can tell, this unsourced statement is false. You need type annotations to use impredictable types in Haskell , e.g. http://www.haskell.org/haskellwiki/Impredicative_types&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Parametric_polymorphism&amp;amp;diff=245298&amp;amp;oldid=12083&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>en&gt;GregRos</name></author>
	</entry>
	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Parametric_polymorphism&amp;diff=12083&amp;oldid=prev</id>
		<title>en&gt;AnomieBOT: Dating maintenance tags: {{Expand section}}</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Parametric_polymorphism&amp;diff=12083&amp;oldid=prev"/>
		<updated>2013-11-28T12:05:45Z</updated>

		<summary type="html">&lt;p&gt;Dating maintenance tags: {{Expand section}}&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Parametric_polymorphism&amp;amp;diff=12083&amp;amp;oldid=245297&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>en&gt;AnomieBOT</name></author>
	</entry>
	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Parametric_polymorphism&amp;diff=245297&amp;oldid=prev</id>
		<title>83.254.76.4: Remove &quot;See also: Duck typing&quot; as irrelevant</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Parametric_polymorphism&amp;diff=245297&amp;oldid=prev"/>
		<updated>2012-08-17T11:24:10Z</updated>

		<summary type="html">&lt;p&gt;Remove &amp;quot;See also: Duck typing&amp;quot; as irrelevant&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Parametric_polymorphism&amp;amp;diff=245297&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>83.254.76.4</name></author>
	</entry>
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