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		<item>
		<title>DPLL算法软件&#8211;DPvis</title>
		<link>http://heajone.wordpress.com/2009/11/14/dpll%e7%ae%97%e6%b3%95%e8%bd%af%e4%bb%b6-dpvis/</link>
		<comments>http://heajone.wordpress.com/2009/11/14/dpll%e7%ae%97%e6%b3%95%e8%bd%af%e4%bb%b6-dpvis/#comments</comments>
		<pubDate>Sat, 14 Nov 2009 23:32:26 +0000</pubDate>
		<dc:creator>jy00912345</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[软件；学习]]></category>

		<guid isPermaLink="false">http://heajone.wordpress.com/2009/11/14/dpll%e7%ae%97%e6%b3%95%e8%bd%af%e4%bb%b6-dpvis/</guid>
		<description><![CDATA[正在学习DPLL算法。 这款软件用于我们学校的实验课。 可图图像化逻辑的表达。寻求合取范式 的解。 详情可见： http://www-sr.informatik.uni-tuebingen.de/~sinz/DPvis/DPvis.html<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=heajone.wordpress.com&amp;blog=8690366&amp;post=5&amp;subd=heajone&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>正在学习DPLL算法。<br />
这款软件用于我们学校的实验课。<br />
可图图像化逻辑的表达。寻求合取范式 的解。<br />
详情可见：</p>
<p>http://www-sr.informatik.uni-tuebingen.de/~sinz/DPvis/DPvis.html</p>
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		<title>DPLL 算法</title>
		<link>http://heajone.wordpress.com/2009/07/22/hello-world/</link>
		<comments>http://heajone.wordpress.com/2009/07/22/hello-world/#comments</comments>
		<pubDate>Wed, 22 Jul 2009 23:43:33 +0000</pubDate>
		<dc:creator>jy00912345</dc:creator>
				<category><![CDATA[读书]]></category>
		<category><![CDATA[算法]]></category>
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		<category><![CDATA[学习]]></category>

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		<description><![CDATA[DPLL/Davis-Putnam-Logemann-Loveland 算法 是一种完备的，基于回溯算法的决定CNF型命题逻辑的满足性的算法，即CNF-SAT问题。 它在1962年由Martin Davis, Hilary Putnam, George Logemann 和 Donald W. Loveland 提出,作为早期Davis-Putnam 算法的一种改进。Davis-Putnam 算法是Davis 与 Putnam在1960年发展的一种算法。 尤其是在旧的出版物中，Davis-Logemann-Loveland 算法常常被称为“Davis-Putnam method”或“DP algorithm”。其他常见的名称是DLL和DPLL。DPLL是一种高效的程序，并且经过40多年还是最有效的SAT解法，以及很多一阶逻辑的自动定理证明的基础。<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=heajone.wordpress.com&amp;blog=8690366&amp;post=1&amp;subd=heajone&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>DPLL/Davis-Putnam-Logemann-Loveland 算法 是一种完备的，基于回溯算法的决定CNF型命题逻辑的满足性的算法，即CNF-SAT问题。</p>
<p>它在1962年由<a href="/wiki/Martin_Davis" target="_blank">Martin Davis</a>, <a href="/wiki/Hilary_Putnam" target="_blank">Hilary Putnam</a>, <a href="/w/index.php?title=George_Logemann&amp;action=edit&amp;redlink=1" target="_blank">George Logemann</a> 和 <a href="/w/index.php?title=Donald_W._Loveland&amp;action=edit&amp;redlink=1" target="_blank">Donald W. Loveland</a> 提出,作为早期<a href="/wiki/Davis-Putnam_algorithm" target="_blank">Davis-Putnam </a>算法的一种改进。<a href="/wiki/Davis-Putnam_algorithm" target="_blank">Davis-Putnam </a>算法是Davis 与 Putnam在1960年发展的一种算法。</p>
<p>尤其是在旧的出版物中，Davis-Logemann-Loveland 算法常常被称为“Davis-Putnam method”或“DP algorithm”。其他常见的名称是DLL和DPLL。DPLL是一种高效的程序，并且经过40多年还是最有效的SAT解法，以及很多一阶逻辑的自动定理证明的基础。</p>
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