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📁 人工智能的教材啊
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<title>人工智能</title>
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 <div style='position:absolute;top:5.0%;left:5.05%;width:93.07%;height:6.25%'><span
 style='font-family:黑体;mso-ascii-font-family:黑体;mso-fareast-font-family:黑体;
 font-size:133%'>6.2<span style="mso-spacerun: yes">&nbsp; </span>概念形成 &#13;</span></div>
 <div style='position:absolute;top:11.75%;left:5.05%;width:93.07%;height:4.75%'>&#13;</div>
 <div style='position:absolute;top:16.75%;left:5.05%;width:111.04%;height:5.25%'><span
 style='font-family:黑体;mso-fareast-font-family:黑体'>定义</span><span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'><span
 style="mso-spacerun: yes">&nbsp; </span></span>一个概念形成问题是一个元组<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>
 </span><span style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'><i>&lt;P,
 N, C, L&gt;</i></span><span lang=EN-US style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman";mso-fareast-language:ZH-CN'>, </span>其中<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>
 </span><span lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:
 "Times New Roman";mso-fareast-language:ZH-CN'><i>P </i></span>是一个&#13;</div>
 <div style='position:absolute;top:22.0%;left:5.05%;width:109.73%;height:5.25%'>正例集，<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>
 </span><span lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:
 "Times New Roman";mso-fareast-language:ZH-CN'><i>N</i></span><span lang=EN-US
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'> </span>是一个反例集，<span style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman"'><i> C</i></span><span lang=EN-US
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'> </span>是一个概念集，<span style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman"'><i> L</i></span><span lang=EN-US
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'> </span>是一个定义的&#13;</div>
 <div style='position:absolute;top:27.25%;left:5.05%;width:93.07%;height:5.25%'>语言<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>.&#13;</span></div>
 <div style='position:absolute;top:32.25%;left:5.05%;width:93.44%;height:5.75%'>注<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>:<span
 style="mso-spacerun: yes">&nbsp; </span></span><span lang=EN-US
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>C</i></span><span lang=EN-US style='font-family:
 "Times New Roman";mso-ascii-font-family:"Times New Roman";mso-fareast-language:
 ZH-CN'> </span>相当于概念偏向<span style='font-family:"Times New Roman";mso-ascii-font-family:
 "Times New Roman"'>, </span><span lang=EN-US style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman";mso-fareast-language:ZH-CN'><i>L</i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'> </span>相当于逻辑偏向<span style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman"'>. </span><span lang=EN-US
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>P </i></span><span lang=EN-US style='font-family:
 Symbol;mso-fareast-language:ZH-CN;mso-char-type:symbol'><i>&Ugrave;</i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i> N = </i></span><span lang=EN-US
 style='font-family:Symbol;mso-fareast-language:ZH-CN;mso-char-type:symbol'><i>&AElig;</i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i> </i></span><span lang=EN-US style='font-family:
 "Times New Roman";mso-ascii-font-family:"Times New Roman";mso-fareast-language:
 ZH-CN'>.&#13;</span></div>
 <div style='position:absolute;top:38.5%;left:5.05%;width:93.07%;height:4.75%'><span
 lang=EN-US style='mso-fareast-language:ZH-CN;display:none'>&#13;</span></div>
 <div style='position:absolute;top:43.25%;left:5.05%;width:111.61%;height:5.25%'><span
 style='font-family:黑体;mso-fareast-font-family:黑体'>定义</span><span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'><span
 style="mso-spacerun: yes">&nbsp; </span></span>给定一个概念形成问题<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>
 </span><span style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'><span
 style="mso-spacerun: yes">&nbsp;</span></span><span style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman"'><i>&lt;P, N, C, L&gt;</i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'>, </span>一个关系是可接受的&#13;</div>
 <div style='position:absolute;top:48.5%;left:5.05%;width:93.07%;height:5.25%'><span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'><span
 style="mso-spacerun: yes">&nbsp;</span>iff<span style="mso-spacerun:
 yes">&nbsp; </span></span>它在<span style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman"'> </span><span lang=EN-US
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>L</i></span><span lang=EN-US style='font-family:
 "Times New Roman";mso-ascii-font-family:"Times New Roman";mso-fareast-language:
 ZH-CN'> </span>中基于<span style='font-family:"Times New Roman";mso-ascii-font-family:
 "Times New Roman"'> </span><span lang=EN-US style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman";mso-fareast-language:ZH-CN'><i>C</i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'> </span>可定义的<span style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman"'>.&#13;</span></div>
 <div style='position:absolute;top:54.0%;left:5.05%;width:109.55%;height:5.25%'>即存在一个<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>
 L </span>中句子使得该概念形成问题的模型能解释该关系<span style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman"'>.&#13;</span></div>
 <div style='position:absolute;top:59.75%;left:5.05%;width:93.07%;height:4.75%'>&#13;</div>
 <div style='position:absolute;top:64.5%;left:5.05%;width:93.07%;height:5.25%'>可接受关系就是概念形成问题的结论<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>(</span>集<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>).&#13;</span></div>
 <div style='position:absolute;top:70.25%;left:5.05%;width:93.07%;height:4.75%'>&#13;</div>
 <div style='position:absolute;top:75.25%;left:5.05%;width:93.07%;height:5.25%'>例<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>(</span>续<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>)&#13;</span></div>
 <div style='position:absolute;top:81.0%;left:5.05%;width:93.07%;height:4.75%'>&#13;</div>
 <div style='position:absolute;top:85.75%;left:5.05%;width:93.07%;height:5.25%'><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>C={Number, Face, Black, Red}&#13;</i></span></div>
 <div style='position:absolute;top:90.75%;left:5.05%;width:93.07%;height:5.75%'><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>L={</i></span><span lang=EN-US
 style='font-family:Symbol;mso-fareast-language:ZH-CN;mso-char-type:symbol'><i>&Ugrave;</i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>}</i></span><span lang=EN-US style='mso-fareast-language:
 ZH-CN;mso-special-format:lastCR;display:none'>&#13;</span></div>
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