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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:435:_Purity&amp;diff=53409</id>
		<title>Talk:435: Purity</title>
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				<updated>2013-11-22T10:08:07Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.222.32: /* Physics and mathematics */ new section&lt;/p&gt;
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&lt;div&gt;See Comte's hierarchy of the sciences from [http://en.wikipedia.org/wiki/Law_of_three_stages his law of three stages]: Mathematics; Astronomy; Physics; Chemistry; Biology; Psychology; Sociology. --[[Special:Contributions/24.85.241.128|24.85.241.128]] 07:20, 3 December 2012 (UTC)&lt;br /&gt;
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Shame it leaves out Engineering running parellel to all of them - maybe Engineering is just too busy getting shit done? {{unsigned|2.121.172.39}}&lt;br /&gt;
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- What can we learn from this? - Actually as an Engineer I have a different view point to 2.121.172.39. We are implementers of original ideas and a few of us are lucky to be original idea generators. As a successful full time Engineer I still find time to be a philosopher and aspiring teacher (who simply didn't want to be poor, which is hard to do when specializing in the other two professions). How ever I do keep asking myself often who wrote the laws that mathematicians and theoretical scientists keep re-discovering for us... - [[User:E-inspired|E-inspired]] ([[User talk:E-inspired|talk]]) 17:04, 28 February 2013 (UTC)&lt;br /&gt;
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&amp;quot;[http://robotics.cs.tamu.edu/dshell/cs689/papers/anderson72more_is_different.pdf More is Different]&amp;quot;, written by Nobel laureate P.W. Anderson, is an insightful critique of constructivism. Quote:&lt;br /&gt;
&amp;lt;blockquote&amp;gt;But this hierarchy does not imply that science X is &amp;quot;just applied Y.&amp;quot; At each stage entirely new laws, concepts, and generalizations are necessary, requiring inspiration and creativity to just as great a degree as in the previous one.&amp;lt;/blockquote&amp;gt;&lt;br /&gt;
[[User:Allenz|Allenz]] ([[User talk:Allenz|talk]]) 02:20, 7 August 2013 (UTC)&lt;br /&gt;
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This one resonated around the Internet quite a bit more than average, and deservedly so. I'd think it'd be almost as far-reaching as the grownups one. I did wonder, after I saw this, how one would take into account things like linguistics, logic, and philosophy. Then I read ''Gödel, Escher, Bach'' and returned to normal. --[[User:Quicksilver|Quicksilver]] ([[User talk:Quicksilver|talk]]) 03:58, 21 August 2013 (UTC)&lt;br /&gt;
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Could one argue that Mathematics is applied Philosophy? [[User:Nsimonetti|NikoNarf]] ([[User talk:Nsimonetti|talk]]) 15:27, 14 November 2013 (UTC)&lt;br /&gt;
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== Physics and mathematics ==&lt;br /&gt;
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Physics, chemistry, biology, earth science,... are science on how things '''work'''. Mathematics and philosophy are science on how things '''can be predicted to work'''. [[Special:Contributions/108.162.222.32|108.162.222.32]] 10:08, 22 November 2013 (UTC)&lt;/div&gt;</summary>
		<author><name>108.162.222.32</name></author>	</entry>

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