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	<id>https://wiki.tiffa.net/w/index.php?action=history&amp;feed=atom&amp;title=Item%3AQ21904</id>
	<title>Item:Q21904 - Revision history</title>
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	<updated>2026-04-20T01:01:23Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.43.0</generator>
	<entry>
		<id>https://wiki.tiffa.net/w/index.php?title=Item:Q21904&amp;diff=137022&amp;oldid=prev</id>
		<title>Fire: /* wbsetclaim-create:2||1 */ Property:P73: Item:Q20453</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=Item:Q21904&amp;diff=137022&amp;oldid=prev"/>
		<updated>2024-04-10T13:16:39Z</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:P73&quot; title=&quot;‎subject has role‎ | ‎role/generic identity of the item (&amp;quot;subject&amp;quot;), also in the context of a statement. For the role of the value of the statement (&amp;quot;object&amp;quot;), use P3831 (&amp;quot;object has role&amp;quot;). For acting roles, use P453 (&amp;quot;character role&amp;quot;). For persons, use P39.‎&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;subject has role&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(P73)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;: &lt;a href=&quot;/wiki/Item:Q20453&quot; title=&quot;‎vitamin‎ | ‎organic compound and a vital nutrient that an organism requires in limited amounts‎&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;vitamin&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(Q20453)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&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 22:16, 10 April 2024&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:P73&quot; href=&quot;/wiki/Property:P73&quot;&gt;subject has role&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:Q20453&quot; href=&quot;/wiki/Item:Q20453&quot;&gt;vitamin&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:P73&quot; href=&quot;/wiki/Property:P73&quot;&gt;subject has role&lt;/a&gt;: &lt;a title=&quot;Item:Q20453&quot; href=&quot;/wiki/Item:Q20453&quot;&gt;vitamin&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:Q21904&amp;diff=137021&amp;oldid=prev</id>
		<title>Fire: /* wbsetclaim-create:2||1 */ Property:P73: Item:Q20407</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=Item:Q21904&amp;diff=137021&amp;oldid=prev"/>
		<updated>2024-04-10T13:16:25Z</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:P73&quot; title=&quot;‎subject has role‎ | ‎role/generic identity of the item (&amp;quot;subject&amp;quot;), also in the context of a statement. For the role of the value of the statement (&amp;quot;object&amp;quot;), use P3831 (&amp;quot;object has role&amp;quot;). For acting roles, use P453 (&amp;quot;character role&amp;quot;). For persons, use P39.‎&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;subject has role&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(P73)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;: &lt;a href=&quot;/wiki/Item:Q20407&quot; title=&quot;‎bone density conservation agents‎ | ‎agents that inhibit bone resorption or favor bone mineralization and bone regeneration‎&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;bone density conservation agents&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(Q20407)&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 22:16, 10 April 2024&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:P73&quot; href=&quot;/wiki/Property:P73&quot;&gt;subject has role&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:Q20407&quot; href=&quot;/wiki/Item:Q20407&quot;&gt;bone density conservation agents&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:P73&quot; href=&quot;/wiki/Property:P73&quot;&gt;subject has role&lt;/a&gt;: &lt;a title=&quot;Item:Q20407&quot; href=&quot;/wiki/Item:Q20407&quot;&gt;bone density conservation agents&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:Q21904&amp;diff=137020&amp;oldid=prev</id>
		<title>Fire: /* wbsetclaim-create:2||1 */ Property:P1: Item:Q20458</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=Item:Q21904&amp;diff=137020&amp;oldid=prev"/>
		<updated>2024-04-10T13:16:08Z</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:P1&quot; title=&quot;‎subclass of‎ | ‎this item is a subclass (subset) of that item; all instances of these items are instances of those items; different from P2 (instance of), e.g.: 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;subclass of&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(P1)&lt;/span&gt;&lt;/span&gt;&lt;/a&gt;: &lt;a href=&quot;/wiki/Item:Q20458&quot; title=&quot;‎vitamin D‎ | ‎group of molecules used as vitamin‎&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;vitamin D&lt;/span&gt; &lt;span class=&quot;wb-itemlink-id&quot;&gt;(Q20458)&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 22:16, 10 April 2024&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:P1&quot; href=&quot;/wiki/Property:P1&quot;&gt;subclass 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:Q20458&quot; href=&quot;/wiki/Item:Q20458&quot;&gt;vitamin D&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:P1&quot; href=&quot;/wiki/Property:P1&quot;&gt;subclass of&lt;/a&gt;: &lt;a title=&quot;Item:Q20458&quot; href=&quot;/wiki/Item:Q20458&quot;&gt;vitamin D&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:Q21904&amp;diff=137019&amp;oldid=prev</id>
		<title>Fire: /* wbeditentity-create:2|en */ Ergocalciferols, Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.</title>
		<link rel="alternate" type="text/html" href="https://wiki.tiffa.net/w/index.php?title=Item:Q21904&amp;diff=137019&amp;oldid=prev"/>
		<updated>2024-04-10T13:15:57Z</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; Ergocalciferols, Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.&lt;/p&gt;
&lt;a href=&quot;https://wiki.tiffa.net/w/index.php?title=Item:Q21904&amp;amp;diff=137019&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Fire</name></author>
	</entry>
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