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	<updated>2026-06-11T23:57:04Z</updated>
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		<updated>2023-07-27T04:58:25Z</updated>

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		<author><name>Manidh</name></author>
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	<entry>
		<id>https://www.vigyanwiki.in/index.php?title=Constructive_nonstandard_analysis&amp;diff=226645&amp;oldid=prev</id>
		<title>wikipedia&gt;2d37: Add :Category:Constructivism (mathematics)</title>
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		<summary type="html">&lt;p&gt;Add &lt;a href=&quot;/index.php?title=Category:Constructivism_(mathematics)&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Category:Constructivism (mathematics) (page does not exist)&quot;&gt;Category:Constructivism (mathematics)&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;In mathematics, '''constructive nonstandard analysis''' is a version of [[Abraham Robinson]]'s [[nonstandard analysis]], developed by [[Ieke Moerdijk|Moerdijk]] (1995), Palmgren (1998), Ruokolainen (2004).  Ruokolainen wrote: &lt;br /&gt;
&lt;br /&gt;
:The possibility of [[constructive mathematics|constructivization]] of nonstandard analysis was studied by Palmgren (1997, 1998, 2001). The model of constructive nonstandard analysis studied there is an extension of Moerdijk’s (1995) model for constructive nonstandard arithmetic.&lt;br /&gt;
&lt;br /&gt;
==See also==&lt;br /&gt;
*[[Smooth infinitesimal analysis]]&lt;br /&gt;
*[[John Lane Bell]]&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
*[[Ieke Moerdijk]], ''A model for intuitionistic nonstandard arithmetic'', Annals of Pure and Applied Logic, vol. 73 (1995), pp. 37&amp;amp;ndash;51. &lt;br /&gt;
: &amp;quot;Abstract: This paper provides an explicit description of a model for intuitionistic nonstandard arithmetic, which can be formalized in a constructive metatheory without the axiom of choice.&amp;quot;[http://www.sciencedirect.com/science/journal/01680072]&lt;br /&gt;
*[[Erik Palmgren]], ''Developments in Constructive Nonstandard Analysis'', [[Bulletin of Symbolic Logic]] Volume 4, Number 3 (1998), 233&amp;amp;ndash;272.&lt;br /&gt;
: &amp;quot;Abstract: We develop a constructive version of nonstandard analysis, extending [[Errett Bishop|Bishop]]'s constructive analysis with infinitesimal methods. ...&amp;quot;[http://projecteuclid.org/euclid.bsl/1182353577]&lt;br /&gt;
*[[Juha Ruokolainen]] 2004, ''Constructive Nonstandard Analysis Without Actual Infinity''[https://helda.helsinki.fi/bitstream/handle/10138/21235/construc.pdf]&lt;br /&gt;
&lt;br /&gt;
{{Infinitesimals}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Constructivism (mathematics)]]&lt;br /&gt;
[[Category:Nonstandard analysis]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{{mathlogic-stub}}&lt;/div&gt;</summary>
		<author><name>wikipedia&gt;2d37</name></author>
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