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Extensible Markup Language  |  1995-08-15  |  2KB  |  29 lines
  1. <?xml version="1.0" encoding="utf-8" ?>
  2. <!DOCTYPE card PUBLIC "-//Apple, Inc.//DTD card V 2.0//EN" "" >
  3. <card>
  4.     <id>43808</id>
  5.     <filler1>0</filler1>
  6.     <cantDelete> <false /> </cantDelete>
  7.     <showPict> <true /> </showPict>
  8.     <dontSearch> <false /> </dontSearch>
  9.     <owner>5472</owner>
  10.     <link rel="stylesheet" type="text/css" href="stylesheet_3106.css" />
  11.     <content>
  12.         <layer>background</layer>
  13.         <id>25</id>
  14.         <text><span class="style10">ets and Paradoxes (3 of 7)</span><span class="style7"></span><span class="style10">Subsets</span><span class="style7">Formally, a set is a </span><span class="style26">subset</span><span class="style7"> of another set if all the members of the first set are members of the other set, that is, one set is contained within another. Thus, among the family's pets, horse is a subset of cat, rabbit, horse, dog, mouse. If the bigger set is </span><span class="style26">A</span><span class="style7"> and the subset is </span><span class="style26">H</span><span class="style7">, then we write </span><span class="style26">H</span><span class="style7"> </span><span class="style5"> C </span><span class="style26">A</span><span class="style7">, to mean that </span><span class="style26">H</span><span class="style7"> is a </span><span class="style26">subset</span><span class="style7"> of </span><span class="style26">A</span><span class="style7">, or </span><span class="style26">A </span><span class="style7"> </span><span class="style27">ΓǪ</span><span class="style7"> </span><span class="style26">H</span><span class="style7">, to mean that set </span><span class="style26">A contains</span><span class="style7"> set </span><span class="style26">H</span><span class="style7">. These could be shown:  </span></text>
  15.     </content>
  16.     <content>
  17.         <layer>background</layer>
  18.         <id>23</id>
  19.         <text>ΓÇó THE SCIENTIFIC METHODΓÇó CORRESPONDENCE, COUNTING AND INFINITYΓÇó COMPUTERSΓÇó LOGIC</text>
  20.     </content>
  21.     <content>
  22.         <layer>background</layer>
  23.         <id>36</id>
  24.         <text>5868334494</text>
  25.     </content>
  26.     <name>p066-3</name>
  27.     <script></script>
  28. </card>
  29.