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	<id>https://wiki.objectivismonline.com/index.php?action=history&amp;feed=atom&amp;title=Conceptual_Common_Denominator</id>
	<title>Conceptual Common Denominator - Revision history</title>
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	<updated>2026-07-02T01:38:15Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.objectivismonline.com/index.php?title=Conceptual_Common_Denominator&amp;diff=7913&amp;oldid=prev</id>
		<title>GreedyCapitalist at 22:17, 2 June 2006</title>
		<link rel="alternate" type="text/html" href="https://wiki.objectivismonline.com/index.php?title=Conceptual_Common_Denominator&amp;diff=7913&amp;oldid=prev"/>
		<updated>2006-06-02T22:17:38Z</updated>

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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 22:17, 2 June 2006&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-l7&quot;&gt;Line 7:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 7:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The distinguishing characteristic(s) of a concept repre­sents a specified category of measurements within the &amp;quot;Con­ceptual Common Denominator&amp;quot; involved.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The distinguishing characteristic(s) of a concept repre­sents a specified category of measurements within the &amp;quot;Con­ceptual Common Denominator&amp;quot; involved.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&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: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;New concepts can be formed by integrating earlier-formed concepts into wider categories, or by subdividing them into narrower categories (a process which we shall discuss later). But all concepts are ultimately reducible to their base in perceptual entities, which are the base (the given) of man&amp;#039;s cognitive development.&amp;quot; - &amp;quot;Introduction to Objectivist Epistemology&amp;quot;, Ayn Rand&lt;/div&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;New concepts can be formed by integrating earlier-formed concepts into wider categories, or by subdividing them into narrower categories (a process which we shall discuss later). But all concepts are ultimately reducible to their base in perceptual entities, which are the base (the given) of man&amp;#039;s cognitive development.&amp;quot; - &amp;quot;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Introduction to Objectivist Epistemology&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&amp;quot;, Ayn Rand&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== More Info ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== More Info ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;http://rous.redbarn.org/objectivism/Writing/RaymieStata/epist/subsection3_5_2.html&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;http://rous.redbarn.org/objectivism/Writing/RaymieStata/epist/subsection3_5_2.html&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;http://originresearch.com/documents/rand6.cfm&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;http://originresearch.com/documents/rand6.cfm&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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		<author><name>GreedyCapitalist</name></author>
	</entry>
	<entry>
		<id>https://wiki.objectivismonline.com/index.php?title=Conceptual_Common_Denominator&amp;diff=7885&amp;oldid=prev</id>
		<title>GreedyCapitalist at 20:02, 2 June 2006</title>
		<link rel="alternate" type="text/html" href="https://wiki.objectivismonline.com/index.php?title=Conceptual_Common_Denominator&amp;diff=7885&amp;oldid=prev"/>
		<updated>2006-06-02T20:02:16Z</updated>

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&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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We differentiate objects according to some commensurable characteristic, which Ayn Rand called the conceptual common denominator. In the table/chair example, the conceptual common denominator was shape. The difference in shape between chairs and tables is so much more than the difference between two tables that we view the large difference is qualitative and the small difference as merely quantitative (which we latter elide).&lt;br /&gt;
&lt;br /&gt;
&amp;quot;A commensurable characteristic (such as shape in the case of tables, or hue in the case of colors) is an essential ele­ment in the process of concept-formation. I shall designate it as the &amp;quot;Conceptual Common Denominator&amp;quot; and define it as &amp;quot;The characteristics reducible to a unit of measure­ment, by means of which man differentiates two or more existents from other existents possessing it.&amp;quot;&lt;br /&gt;
&lt;br /&gt;
The distinguishing characteristic(s) of a concept repre­sents a specified category of measurements within the &amp;quot;Con­ceptual Common Denominator&amp;quot; involved.&lt;br /&gt;
&lt;br /&gt;
New concepts can be formed by integrating earlier-formed concepts into wider categories, or by subdividing them into narrower categories (a process which we shall discuss later). But all concepts are ultimately reducible to their base in perceptual entities, which are the base (the given) of man&amp;#039;s cognitive development.&amp;quot; - &amp;quot;Introduction to Objectivist Epistemology&amp;quot;, Ayn Rand&lt;br /&gt;
&lt;br /&gt;
== More Info ==&lt;br /&gt;
http://rous.redbarn.org/objectivism/Writing/RaymieStata/epist/subsection3_5_2.html&lt;br /&gt;
http://originresearch.com/documents/rand6.cfm&lt;/div&gt;</summary>
		<author><name>GreedyCapitalist</name></author>
	</entry>
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