helm/www/lambdadelta/ground_2.html

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  22     <div class="head1">cic:/matita/lambdadelta/ground_2/ (background for λδ version 2)</div>
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  30       <table cellpadding="4" cellspacing="0">
  31         <tbody>
  32           <tr>
  33             <td class="snns capitalize italic sky">
  34               <a href="http://lambdadelta.info/index.html">home</a>
  35             </td>
  36             <td class="snns capitalize italic magenta">
  37               <a href="http://lambdadelta.info/news.html">news</a>
  38             </td>
  39             <td class="snns capitalize italic white">
  40               <a href="http://lambdadelta.info/specification.html">specification</a>
  41             </td>
  42             <td class="snnn capitalize italic white">
  43               <br />
  44             </td>
  45             <td class="snnn capitalize italic white">
  46               <br />
  47             </td>
  48             <td class="snns capitalize italic orange">
  49               <a href="http://lambdadelta.info/documentation.html">documentation</a>
  50             </td>
  51             <td class="snns capitalize italic green">
  52               <a href="http://lambdadelta.info/implementation.html">implementation</a>
  53             </td>
  54             <td class="ssnn capitalize italic green">
  55               <br />
  56             </td>
  57           </tr>
  58           <tr>
  59             <td class="snns capitalize sky">
  60               <a href="http://lambdadelta.info/index.html#foreword">foreword</a>
  61             </td>
  62             <td class="snns capitalize magenta">
  63               <a href="http://lambdadelta.info/news.html#milestones">milestones</a>
  64             </td>
  65             <td class="snns capitalize white">
  66               <a href="http://lambdadelta.info/specification.html#v2">version 2</a>
  67             </td>
  68             <td class="snnn capitalize white">(<a href="http://lambdadelta.info/ground_2.html">background</a> - <a href="http://lambdadelta.info/basic_2.html">core</a> - <a href="http://lambdadelta.info/apps_2.html">applications</a>)</td>
  69             <td class="snnn capitalize white">
  70               <br />
  71             </td>
  72             <td class="snns capitalize orange">
  73               <a href="http://lambdadelta.info/documentation.html#v2">version 2</a>
  74             </td>
  75             <td class="snns capitalize green">
  76               <a href="http://lambdadelta.info/implementation.html#lddl">library</a>
  77             </td>
  78             <td class="ssnn capitalize green">(<a href="http://lambdadelta.info/static/lddl/">static LDDL directory</a>)</td>
  79           </tr>
  80           <tr>
  81             <td class="snss capitalize sky">
  82               <a href="http://lambdadelta.info/index.html#citations">citations</a>
  83             </td>
  84             <td class="snss capitalize magenta">
  85               <a href="http://lambdadelta.info/news.html#visibility">visibility</a>
  86             </td>
  87             <td class="snss capitalize white">
  88               <a href="http://lambdadelta.info/specification.html#v1">version 1</a>
  89             </td>
  90             <td class="snsn capitalize white">(<a href="http://lambdadelta.info/ground_1.html">background</a> - <a href="http://lambdadelta.info/basic_1.html">core</a>)</td>
  91             <td class="snsn capitalize white">(<a href="http://lambdadelta.info/static/matita/lambdadelta/">static HELM directory</a>)</td>
  92             <td class="snss capitalize orange">
  93               <a href="http://lambdadelta.info/documentation.html#v1">version 1</a>
  94             </td>
  95             <td class="snss capitalize green">
  96               <a href="http://lambdadelta.info/implementation.html#helena">helena</a>
  97             </td>
  98             <td class="sssn capitalize green">
  99               <br />
 100             </td>
 101           </tr>
 102         </tbody>
 103       </table>
 104     </div>
 105     <div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="summary">Summary of the Specification <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b4.png" />
 106     </div>
 107     <div xmlns:ld="http://lambdadelta.info/" class="text">Here is a numerical account of the specification's contents
 108          and its timeline.
 109    </div>
 110     <div xmlns:ld="http://lambdadelta.info/" class="text">
 111       <table cellpadding="4" cellspacing="0">
 112         <tbody>
 113           <tr>
 114             <td class="snns capitalize italic gray">category</td>
 115             <td class="snns italic gray">objects</td>
 116             <td class="snnn right italic gray">
 117               <br />
 118             </td>
 119             <td class="snnn italic gray">
 120               <br />
 121             </td>
 122             <td class="snnn right italic gray">
 123               <br />
 124             </td>
 125             <td class="snnn italic gray">
 126               <br />
 127             </td>
 128             <td class="ssnn right italic gray">
 129               <br />
 130             </td>
 131           </tr>
 132           <tr>
 133             <td class="snns capitalize italic cyan">sizes</td>
 134             <td class="snns italic cyan">files</td>
 135             <td class="snnn right italic cyan">27</td>
 136             <td class="snns italic cyan">characters</td>
 137             <td class="snnn right italic cyan">48334</td>
 138             <td class="snns italic cyan">nodes</td>
 139             <td class="ssnn right italic cyan">67588</td>
 140           </tr>
 141           <tr>
 142             <td class="snns capitalize italic green">propositions</td>
 143             <td class="snns italic green">theorems</td>
 144             <td class="snnn right italic green">2</td>
 145             <td class="snns italic green">lemmas</td>
 146             <td class="snnn right italic green">201</td>
 147             <td class="snns italic green">total</td>
 148             <td class="ssnn right italic green">203</td>
 149           </tr>
 150           <tr>
 151             <td class="snss capitalize italic yellow">concepts</td>
 152             <td class="snss italic yellow">declared</td>
 153             <td class="snsn right italic yellow">40</td>
 154             <td class="snss italic yellow">defined</td>
 155             <td class="snsn right italic yellow">24</td>
 156             <td class="snss italic yellow">total</td>
 157             <td class="sssn right italic yellow">64</td>
 158           </tr>
 159         </tbody>
 160       </table>
 161     </div>
 162     <ul xmlns:ld="http://lambdadelta.info/">
 163       <li>
 164         <span class="emph alpha">2013 November 27.</span>
 165          Natural numbers with infinity.
 166    </li>
 167     </ul>
 168     <ul xmlns:ld="http://lambdadelta.info/">
 169       <li>
 170         <span class="emph alpha">2011 August 10.</span>
 171          Specification starts.
 172    </li>
 173     </ul>
 174     <div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="structure">Logical Structure of the Specification <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b4.png" />
 175     </div>
 176     <div xmlns:ld="http://lambdadelta.info/" class="text">This table reports the specification's components and their planes.
 177    </div>
 178     <div xmlns:ld="http://lambdadelta.info/" class="text">
 179       <table cellpadding="4" cellspacing="0">
 180         <tbody>
 181           <tr>
 182             <td class="snns top capitalize italic gray">component</td>
 183             <td class="snns top italic gray">plane</td>
 184             <td class="snns top gray">files</td>
 185             <td class="snnn top gray">
 186               <br />
 187             </td>
 188             <td class="snnn top gray">
 189               <br />
 190             </td>
 191             <td class="snnn top gray">
 192               <br />
 193             </td>
 194             <td class="snnn top gray">
 195               <br />
 196             </td>
 197             <td class="ssnn top gray">
 198               <br />
 199             </td>
 200           </tr>
 201           <tr>
 202             <td class="snns top capitalize italic grass">natural numbers with infinity</td>
 203             <td class="snns top italic grass" />
 204             <td class="snns top grass">ynat ( ∞ )</td>
 205             <td class="snnn top grass">ynat_pred ( ⫰? )</td>
 206             <td class="snnn top grass">ynat_succ ( ⫯? )</td>
 207             <td class="snnn top grass">ynat_le ( ? ≤ ? )</td>
 208             <td class="snnn top grass">ynat_lt ( ? &lt; ? )</td>
 209             <td class="ssnn top grass">ynat_plus ( ? + ? )</td>
 210           </tr>
 211           <tr>
 212             <td class="snns top capitalize italic yellow">extensions to the library</td>
 213             <td class="snns top italic yellow" />
 214             <td class="snns top yellow">star</td>
 215             <td class="snnn top yellow">lstar</td>
 216             <td class="snnn top yellow">bool ( Ⓕ ) ( Ⓣ )</td>
 217             <td class="snnn top yellow">arith ( ?^? )</td>
 218             <td class="snnn top yellow">list ( ◊ ) ( ? @ ? ) ( {?,?} @ ? ) ( ? @@ ? ) ( |?| )</td>
 219             <td class="ssnn top yellow">
 220               <br />
 221             </td>
 222           </tr>
 223           <tr>
 224             <td class="snns top capitalize italic orange">generated logical decomposables</td>
 225             <td class="snns top italic orange" />
 226             <td class="snns top orange">xoa ( ∃∃ ) ( ∨∨ ) ( ∧∧ )</td>
 227             <td class="snnn top orange">xoa_props ( ⊥ ) ( ⊤ )</td>
 228             <td class="snnn top orange">
 229               <br />
 230             </td>
 231             <td class="snnn top orange">
 232               <br />
 233             </td>
 234             <td class="snnn top orange">
 235               <br />
 236             </td>
 237             <td class="ssnn top orange">
 238               <br />
 239             </td>
 240           </tr>
 241           <tr>
 242             <td class="snss top capitalize italic red" />
 243             <td class="snss top italic red" />
 244             <td class="snss top red">
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 258             </td>
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 260               <br />
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 292     <div xmlns:ld="http://lambdadelta.info/" class="spacer">Last update: Sun, 06 Sep 2015 21:40:58 +0200</div>
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