helm/www/lambdadelta/implementation.html

   1 <?xml version="1.0" encoding="UTF-8"?>
   2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
   3 <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="en-us">
   4   <head>
   5     <meta http-equiv="Content-Language" content="en-us" />
   6     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
   7     <meta http-equiv="Content-Style-Type" content="text/css" />
   8     <meta name="author" content="Ferruccio Guidi" />
   9     <meta name="description" content="\lambda\delta home page" />
  10     <title>\lambda\delta home page</title>
  11     <link rel="stylesheet" type="text/css" href="http://lambdadelta.info/css/ld_web.css" />
  12     <link rel="stylesheet" type="text/css" href="http://lambdadelta.info/css/lddl.css" />
  13     <link rel="stylesheet" type="text/css" href="http://lambdadelta.info/css/xhtbl.css" />
  14     <link rel="shortcut icon" href="http://lambdadelta.info/images/crux_16.ico" />
  15   </head>
  16   <body lang="en-US">
  17     <div class="spacer">
  18       <a href="http://lambdadelta.info/">
  19         <img class="icon32" alt="[lambdadelta home]" title="lambdadelta home" src="http://lambdadelta.info/images/crux_32.png" />
  20       </a>
  21     </div>
  22     <div class="head1">The Formal Systems of the λδ (\lambda\delta) Family</div>
  23     <div class="spacer">
  24       <img class="rule" alt="[Spacer]" title="lambdadelta rainbow rule" src="http://lambdadelta.info/images/rainbow.png" />
  25     </div>
  26     <div xmlns:ld="http://lambdadelta.info/" class="spacer">
  27       <br />
  28     </div>
  29     <div xmlns:ld="http://lambdadelta.info/" class="text">
  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="tools">Tools <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b5.png" />
 106     </div>
 107     <div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="lddl">
 108       <img class="icon32" alt="[Crux logo]" title="the Crux" src="http://lambdadelta.info/images/crux_32.png" /> λδ Digital Library (LDDL)</div>
 109     <div xmlns:ld="http://lambdadelta.info/" class="text">
 110       The λδ Digital Library is part of <a href="http://helm.cs.unibo.it/">HELM</a>
 111       and contains resources expressed in the systems of the λδ family.
 112    </div>
 113     <ul xmlns:ld="http://lambdadelta.info/" id="contents">
 114       <li>
 115         <span class="emph alpha">Contents:</span>
 116       Landau's "Grundlagen der Analysis"
 117       (from Jutting's specification in  <a href="http://www.win.tue.nl/automath/">Automath</a>).
 118    </li>
 119     </ul>
 120     <ul xmlns:ld="http://lambdadelta.info/" id="access">
 121       <li>
 122         <span class="emph alpha">Access:</span>
 123         <a href="http://lambdadelta.info/static/lddl/">static pages</a> (updated <span class="emph gamma">2015-01</span>),
 124       <a href="http://lambdadelta.info/download/lddl.tar.bz2">data set</a> (updated <span class="emph gamma">2014-12</span>),
 125       <a href="http://lambdadelta.info/xml/">HELM server URL</a> (updated <span class="emph gamma">2014-12</span>).
 126    </li>
 127     </ul>
 128     <ul xmlns:ld="http://lambdadelta.info/" id="examples">
 129       <li>
 130         <span class="emph alpha">Examples:</span>
 131         <a href="http://lambdadelta.info/static/lddl/Environment/grundlagen_2/l/e/st/eq/landau/n/rt/rp/r/c/8283/t234.ld.html">
 132          Grundlagen's definition "t234"</a>
 133       in λδ version 4.
 134    </li>
 135     </ul>
 136     <div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="helena">
 137       <img class="icon32" alt="[Helena logo]" title="Helena" src="http://lambdadelta.info/images/helena_32.png" /> Helena</div>
 138     <div xmlns:ld="http://lambdadelta.info/" class="text">
 139       Helena is a processor for the systems of the λδ family,
 140       implemented in <a href="http://caml.inria.fr/">Caml</a>
 141       as a part of the <a href="http://helm.cs.unibo.it/">HELM</a> software,
 142       meant for testing both their stable and unstable features.
 143    </div>
 144     <div xmlns:ld="http://lambdadelta.info/" class="text">
 145       The processor source code is available in the directory
 146       <a href="http://helm.cs.unibo.it/websvn/listing.php?repname=helm&amp;path=%2Ftrunk%2Fhelm%2Fsoftware%2Fhelena%2F&amp;rev=0&amp;sc=0">/trunk/helm/software/helena/</a>
 147       of the <a href="http://helm.cs.unibo.it/software/index.html">HELM Svn repository</a>.
 148       The Svn revisions containing the stable versions of Helena are indicated next.
 149    </div>
 150     <ul xmlns:ld="http://lambdadelta.info/" id="v3">
 151       <li>
 152         <span class="emph gamma">Version 0.8.3 (2015-12).</span>
 153       Supports exportation to λProlog
 154       (two formats for ELPI,
 155       and two formats for <a href="http://teyjus.cs.umn.edu/">Teyjus</a>).
 156       Employs optimized conditional compilation through
 157       <a href="http://camlp5.gforge.inria.fr/">camlp5</a> code preprocessor (pa_macro)
 158       to reduce a performance loss, which is expected to disappear
 159       by employing a different code preprocessor.
 160       Overall validation speed of the "Grundlagen der Analysis" with respect to version 0.8.2:
 161       +3% with optimized compilation, +5% without optimized compilation.
 162       [Svn revision: 13108] (<a href="http://lambdadelta.info/download/helena_0.8.3.tar.gz">archived source code</a>).
 163       <ul>
 164           <li>
 165             <span class="emph gamma">2015-06.</span>
 166          The corrected specification of Landau's "Grundlagen der Analysis"
 167          is successfully validated in a λProlog implementation of λδ version 3.
 168       </li>
 169         </ul>
 170       </li>
 171     </ul>
 172     <ul xmlns:ld="http://lambdadelta.info/" id="v2">
 173       <li>
 174         <span class="emph gamma">Version 0.8.2 (2015-02).</span>
 175       Uses λδ version 3 with layer variables as core language.
 176       Supports exportation to Gallina
 177       (the specification language of <a href="http://coq.inria.fr/">Coq</a>),
 178       and to Grafite
 179       (the specification language of <a href="http://matita.cs.unibo.it/">Matita</a>).
 180       The overall validation speed of the "Grundlagen der Analysis"
 181       increases of 34% with respect to version 0.8.1.
 182       <a href="http://lambdadelta.info/documentation.html#ldJ3a">Documentation (J3a)</a>.
 183       [Svn revision: 13035] (<a href="http://lambdadelta.info/download/helena_0.8.2.tar.gz">archived source code</a>).
 184       <ul>
 185           <li>
 186          The specification of Landau's "Grundlagen der Analysis"
 187          for <a href="http://coq.inria.fr/">Coq 8</a>:
 188          <a href="http://lambdadelta.info/download/grundlagen_2.v">grundlagen_2.v</a>
 189          (revised <span class="emph gamma">2015-02</span>).
 190       </li>
 191           <li>
 192          The specification of Landau's "Grundlagen der Analysis"
 193          for <a href="http://matita.cs.unibo.it/">Matita 0.99.2</a>:
 194          <a href="http://lambdadelta.info/download/grundlagen_2.tar.bz2">grundlagen_2.tar.bz2</a>
 195          (revised <span class="emph gamma">2015-02</span>).
 196       </li>
 197           <li>
 198          The corrected specification of Landau's "Grundlagen der Analysis":
 199          <a href="http://lambdadelta.info/download/grundlagen_2.aut">grundlagen_2.aut</a>
 200          (revised <span class="emph gamma">2014-12</span>).
 201       </li>
 202           <li>
 203             <span class="emph gamma">2015-02.</span>
 204          The translated specification of Landau's "Grundlagen der Analysis"
 205          is successfully validated in CC by <a href="http://coq.inria.fr/">Coq 8.4.3</a>.
 206       </li>
 207           <li>
 208             <span class="emph gamma">2014-12.</span>
 209          The corrected specification of Landau's "Grundlagen der Analysis"
 210          is successfully validated in λδ version 3.
 211       </li>
 212         </ul>
 213       </li>
 214     </ul>
 215     <ul xmlns:ld="http://lambdadelta.info/" id="v1">
 216       <li>
 217         <span class="emph beta">Version 0.8.1 (2010-11).</span>
 218       Uses a subset of λδ version 4 as intermediate language.
 219       Features importation from ".hln" files containing λδ textual syntax.
 220       The overall validation speed of the "Grundlagen der Analysis"
 221       increases of 22% with respect to version 0.8.0.
 222       [Svn revision: 11032] (<a href="http://lambdadelta.info/download/helena_0.8.1.tar.gz">archived source code</a>).
 223       <ul>
 224           <li>
 225          A <a href="http://www.jedsoft.org/jed/">Jed mode</a>
 226          for editing ".hln" files (containing λδ textual syntax):
 227          <a href="http://lambdadelta.info/download/helena.sl">helena.sl</a>
 228          (revised <span class="emph alpha">2010-11</span>).
 229       </li>
 230           <li>
 231             <span class="emph beta">2009-12.</span>
 232          Helena appears in F. Wiedijk's
 233          <a href="http://www.cs.ru.nl/%7Efreek/digimath/index.html#helena">
 234             index of computer math systems</a>.
 235       </li>
 236         </ul>
 237       </li>
 238     </ul>
 239     <ul xmlns:ld="http://lambdadelta.info/" id="v0">
 240       <li>
 241         <span class="emph beta">Version 0.8.0 (2009-09).</span>
 242       Supports λδ version 2 with naive implementation of impredicative sort inclusion.
 243       Features importation from <a href="http://www.win.tue.nl/automath/">Automath</a>
 244       and exportation to <a href="http://www.w3.org/XML/">XML</a>.
 245       <a href="http://lambdadelta.info/documentation.html#ldR2a">Documentation (R2a)</a>.
 246       [Svn revision: 10304] (<a href="http://lambdadelta.info/download/helena_0.8.0.tar.gz">archived source code</a>).
 247       <ul>
 248           <li>
 249          A <a href="http://www.jedsoft.org/jed/">Jed mode</a>
 250          for editing ".aut" files
 251          (containing <a href="http://www.win.tue.nl/automath/">Automath</a> textual syntax):
 252          <a href="http://lambdadelta.info/download/automath.sl">automath.sl</a>
 253          (revised <span class="emph gamma">2008-07</span>).
 254       </li>
 255           <li>
 256             <span class="emph beta">2009-09.</span>
 257          Jutting's specification of Landau's "Grundlagen der Analysis"
 258          enters λδ Digital Library.
 259       </li>
 260           <li>
 261             <span class="emph beta">2009-06.</span>
 262          Jutting's specification of Landau's "Grundlagen der Analysis"
 263          is successfully processed, enabling sort inclusion.
 264       </li>
 265         </ul>
 266       </li>
 267     </ul>
 268     <div class="spacer">
 269       <img class="rule" alt="[Spacer]" title="lambdadelta rainbow rule" src="http://lambdadelta.info/images/rainbow.png" />
 270     </div>
 271     <div xmlns:ld="http://lambdadelta.info/" class="spacer">
 272       <br />
 273     </div>
 274     <div xmlns:ld="http://lambdadelta.info/" class="spacer">
 275       <a href="http://validator.w3.org/check?uri=referer">
 276         <img class="w3c" alt="[Valid XHTML 1.1]" title="Valid XHTML 1.1" src="http://www.w3.org/Icons/valid-xhtml11-blue" />
 277       </a>
 278       <a href="http://jigsaw.w3.org/css-validator/check/referer">
 279         <img class="w3c" alt="[Valid CSS level 2]" title="Valid CSS level 2" src="http://www.w3.org/Icons/valid-css2-blue" />
 280       </a>
 281       <a href="http://www.w3.org/XML/">
 282         <img class="w3c" alt="[Generated from XML via XSL]" title="Generated from XML via XSL" src="http://lambdadelta.info/images/xml_xsl2.png" />
 283       </a>
 284       <a href="http://www.w3.org/Graphics/PNG/">
 285         <img class="w3c" alt="[PNG used here]" title="PNG used here" src="http://lambdadelta.info/images/PNGnow2.png" />
 286       </a>
 287       <a href="http://www.anybrowser.org/campaign/">
 288         <img class="w3c" alt="[Viewable with any browser]" title="Viewable with any browser" src="http://www.anybrowser.org/campaign/bvgraphics/abtfile.png" />
 289       </a>
 290     </div>
 291     <div xmlns:ld="http://lambdadelta.info/" class="spacer">
 292       <br />
 293     </div>
 294     <div xmlns:ld="http://lambdadelta.info/" class="spacer">Last update: Fri, 04 Mar 2016 16:15:58 +0100</div>
 295   </body>
 296 </html>