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	<title>Item:Q2290 - Revision history</title>
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	<updated>2026-04-19T06:39:43Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=Item:Q2290&amp;diff=11934&amp;oldid=prev</id>
		<title>Fire: /* wbsetclaim-create:2||1 */ Property:P14: Item:Q2291</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=Item:Q2290&amp;diff=11934&amp;oldid=prev"/>
		<updated>2023-02-10T04:50:18Z</updated>

		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Created claim: &lt;/span&gt;&lt;/span&gt; &lt;a href=&quot;/wiki/Property:P14&quot; title=&quot;‎has quality‎ | ‎the entity has an inherent or distinguishing non-material characteristic. use a more-specific property when possible‎&quot;&gt;&lt;span class=&quot;wb-itemlink&quot;&gt;&lt;span class=&quot;wb-itemlink-label&quot; lang=&quot;en&quot; dir=&quot;ltr&quot;&gt;has quality&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(P14)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;: &lt;a href=&quot;/wiki/Item:Q2291&quot; title=&quot;‎Paradoxes of set theory‎ | ‎discussion of paradoxes of set theory‎&quot;&gt;&lt;span class=&quot;wb-itemlink&quot;&gt;&lt;span class=&quot;wb-itemlink-label&quot; lang=&quot;en&quot; dir=&quot;ltr&quot;&gt;Paradoxes of set theory&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(Q2291)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;&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;Revision as of 13:50, 10 February 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Property / &lt;a title=&quot;Property:P14&quot; href=&quot;/wiki/Property:P14&quot;&gt;has quality&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;span&gt;&lt;a title=&quot;Item:Q2291&quot; href=&quot;/wiki/Item:Q2291&quot;&gt;Paradoxes of set theory&lt;/a&gt;&lt;/span&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Property / &lt;a title=&quot;Property:P14&quot; href=&quot;/wiki/Property:P14&quot;&gt;has quality&lt;/a&gt;: &lt;a title=&quot;Item:Q2291&quot; href=&quot;/wiki/Item:Q2291&quot;&gt;Paradoxes of set theory&lt;/a&gt; / rank&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;span&gt;Normal rank&lt;/span&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=Item:Q2290&amp;diff=11932&amp;oldid=prev</id>
		<title>Fire: /* wbsetclaim-create:2||1 */ Property:P7: Item:Q1374</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=Item:Q2290&amp;diff=11932&amp;oldid=prev"/>
		<updated>2023-02-10T04:49:37Z</updated>

		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Created claim: &lt;/span&gt;&lt;/span&gt; &lt;a href=&quot;/wiki/Property:P7&quot; title=&quot;‎part of‎ | ‎object of which the subject is a part (if this subject is already part of object A which is a part of object B, then please only make the subject part of object A). Inverse property of &amp;quot;has part&amp;quot; (P527, see also &amp;quot;has parts of the class&amp;quot; (P2670)).‎&quot;&gt;&lt;span class=&quot;wb-itemlink&quot;&gt;&lt;span class=&quot;wb-itemlink-label&quot; lang=&quot;en&quot; dir=&quot;ltr&quot;&gt;part of&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(P7)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;: &lt;a href=&quot;/wiki/Item:Q1374&quot; title=&quot;‎theory of sets, relations and functions‎&quot;&gt;&lt;span class=&quot;wb-itemlink&quot;&gt;&lt;span class=&quot;wb-itemlink-label&quot; lang=&quot;en&quot; dir=&quot;ltr&quot;&gt;theory of sets, relations and functions&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(Q1374)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;&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;Revision as of 13:49, 10 February 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Property / &lt;a title=&quot;Property:P7&quot; href=&quot;/wiki/Property:P7&quot;&gt;part of&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;span&gt;&lt;a title=&quot;Item:Q1374&quot; href=&quot;/wiki/Item:Q1374&quot;&gt;theory of sets, relations and functions&lt;/a&gt;&lt;/span&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Property / &lt;a title=&quot;Property:P7&quot; href=&quot;/wiki/Property:P7&quot;&gt;part of&lt;/a&gt;: &lt;a title=&quot;Item:Q1374&quot; href=&quot;/wiki/Item:Q1374&quot;&gt;theory of sets, relations and functions&lt;/a&gt; / rank&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;span&gt;Normal rank&lt;/span&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=Item:Q2290&amp;diff=11931&amp;oldid=prev</id>
		<title>Fire: /* wbsetclaim-create:2||1 */ Property:P7: Item:Q2288</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=Item:Q2290&amp;diff=11931&amp;oldid=prev"/>
		<updated>2023-02-10T04:49:28Z</updated>

		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Created claim: &lt;/span&gt;&lt;/span&gt; &lt;a href=&quot;/wiki/Property:P7&quot; title=&quot;‎part of‎ | ‎object of which the subject is a part (if this subject is already part of object A which is a part of object B, then please only make the subject part of object A). Inverse property of &amp;quot;has part&amp;quot; (P527, see also &amp;quot;has parts of the class&amp;quot; (P2670)).‎&quot;&gt;&lt;span class=&quot;wb-itemlink&quot;&gt;&lt;span class=&quot;wb-itemlink-label&quot; lang=&quot;en&quot; dir=&quot;ltr&quot;&gt;part of&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(P7)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;: &lt;a href=&quot;/wiki/Item:Q2288&quot; title=&quot;‎Mathematical logic, set theory, lattices and universal algebra‎ | ‎field of research‎&quot;&gt;&lt;span class=&quot;wb-itemlink&quot;&gt;&lt;span class=&quot;wb-itemlink-label&quot; lang=&quot;en&quot; dir=&quot;ltr&quot;&gt;Mathematical logic, set theory, lattices and universal algebra&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(Q2288)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;&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;Revision as of 13:49, 10 February 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Property / &lt;a title=&quot;Property:P7&quot; href=&quot;/wiki/Property:P7&quot;&gt;part of&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;span&gt;&lt;a title=&quot;Item:Q2288&quot; href=&quot;/wiki/Item:Q2288&quot;&gt;Mathematical logic, set theory, lattices and universal algebra&lt;/a&gt;&lt;/span&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Property / &lt;a title=&quot;Property:P7&quot; href=&quot;/wiki/Property:P7&quot;&gt;part of&lt;/a&gt;: &lt;a title=&quot;Item:Q2288&quot; href=&quot;/wiki/Item:Q2288&quot;&gt;Mathematical logic, set theory, lattices and universal algebra&lt;/a&gt; / rank&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;span&gt;Normal rank&lt;/span&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=Item:Q2290&amp;diff=11930&amp;oldid=prev</id>
		<title>Fire: /* wbsetclaim-create:2||1 */ Property:P2: Item:Q637</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=Item:Q2290&amp;diff=11930&amp;oldid=prev"/>
		<updated>2023-02-10T04:49:18Z</updated>

		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Created claim: &lt;/span&gt;&lt;/span&gt; &lt;a href=&quot;/wiki/Property:P2&quot; title=&quot;‎instance of‎ | ‎that class of which this subject is a particular example and member; different from P1 (subclass of); for example: K2 is an instance of mountain; volcano is a subclass of mountain (and an instance of volcanic landform)‎&quot;&gt;&lt;span class=&quot;wb-itemlink&quot;&gt;&lt;span class=&quot;wb-itemlink-label&quot; lang=&quot;en&quot; dir=&quot;ltr&quot;&gt;instance of&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(P2)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;: &lt;a href=&quot;/wiki/Item:Q637&quot; title=&quot;‎mathematical theory‎ | ‎mathematical model that is based on axioms‎&quot;&gt;&lt;span class=&quot;wb-itemlink&quot;&gt;&lt;span class=&quot;wb-itemlink-label&quot; lang=&quot;en&quot; dir=&quot;ltr&quot;&gt;mathematical theory&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(Q637)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;&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;Revision as of 13:49, 10 February 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Property / &lt;a title=&quot;Property:P2&quot; href=&quot;/wiki/Property:P2&quot;&gt;instance of&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;span&gt;&lt;a title=&quot;Item:Q637&quot; href=&quot;/wiki/Item:Q637&quot;&gt;mathematical theory&lt;/a&gt;&lt;/span&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Property / &lt;a title=&quot;Property:P2&quot; href=&quot;/wiki/Property:P2&quot;&gt;instance of&lt;/a&gt;: &lt;a title=&quot;Item:Q637&quot; href=&quot;/wiki/Item:Q637&quot;&gt;mathematical theory&lt;/a&gt; / rank&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;span&gt;Normal rank&lt;/span&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=Item:Q2290&amp;diff=11929&amp;oldid=prev</id>
		<title>Fire: /* wbsetclaim-create:2||1 */ Property:P2: Item:Q475</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=Item:Q2290&amp;diff=11929&amp;oldid=prev"/>
		<updated>2023-02-10T04:49:10Z</updated>

		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Created claim: &lt;/span&gt;&lt;/span&gt; &lt;a href=&quot;/wiki/Property:P2&quot; title=&quot;‎instance of‎ | ‎that class of which this subject is a particular example and member; different from P1 (subclass of); for example: K2 is an instance of mountain; volcano is a subclass of mountain (and an instance of volcanic landform)‎&quot;&gt;&lt;span class=&quot;wb-itemlink&quot;&gt;&lt;span class=&quot;wb-itemlink-label&quot; lang=&quot;en&quot; dir=&quot;ltr&quot;&gt;instance of&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(P2)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;: &lt;a href=&quot;/wiki/Item:Q475&quot; title=&quot;‎area of mathematics‎ | ‎grouping by subject of mathematics‎&quot;&gt;&lt;span class=&quot;wb-itemlink&quot;&gt;&lt;span class=&quot;wb-itemlink-label&quot; lang=&quot;en&quot; dir=&quot;ltr&quot;&gt;area of mathematics&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(Q475)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;&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 13:49, 10 February 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Property / &lt;a title=&quot;Property:P2&quot; href=&quot;/wiki/Property:P2&quot;&gt;instance of&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;span&gt;&lt;a title=&quot;Item:Q475&quot; href=&quot;/wiki/Item:Q475&quot;&gt;area of mathematics&lt;/a&gt;&lt;/span&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Property / &lt;a title=&quot;Property:P2&quot; href=&quot;/wiki/Property:P2&quot;&gt;instance of&lt;/a&gt;: &lt;a title=&quot;Item:Q475&quot; href=&quot;/wiki/Item:Q475&quot;&gt;area of mathematics&lt;/a&gt; / rank&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;span&gt;Normal rank&lt;/span&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=Item:Q2290&amp;diff=11928&amp;oldid=prev</id>
		<title>Fire: /* wbeditentity-create:2|en */ set theory, branch of mathematics that studies sets, which are collections of objects</title>
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		<updated>2023-02-10T04:48:59Z</updated>

		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Created a new Item: &lt;/span&gt;&lt;/span&gt; set theory, branch of mathematics that studies sets, which are collections of objects&lt;/p&gt;
&lt;a href=&quot;https://wiki.tiffa.net/w/index.php?title=Item:Q2290&amp;amp;diff=11928&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Fire</name></author>
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