]> matita.cs.unibo.it Git - helm.git/commitdiff
update in ground_2, web page for ground_2
authorFerruccio Guidi <ferruccio.guidi@unibo.it>
Thu, 28 Nov 2013 16:07:56 +0000 (16:07 +0000)
committerFerruccio Guidi <ferruccio.guidi@unibo.it>
Thu, 28 Nov 2013 16:07:56 +0000 (16:07 +0000)
helm/www/lambdadelta/ground_2.html [new file with mode: 0644]
helm/www/lambdadelta/news.html

diff --git a/helm/www/lambdadelta/ground_2.html b/helm/www/lambdadelta/ground_2.html
new file mode 100644 (file)
index 0000000..05e7bea
--- /dev/null
@@ -0,0 +1,199 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="en-us">
+  <head>
+    <meta http-equiv="Content-Language" content="en-us" />
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+    <meta http-equiv="Content-Style-Type" content="text/css" />
+    <meta name="author" content="Ferruccio Guidi" />
+    <meta name="description" content="lambdadelta version 2" />
+    <title>lambdadelta version 2</title>
+    <link rel="stylesheet" type="text/css" href="http://lambdadelta.info/css/ld_web.css" />
+    <link rel="stylesheet" type="text/css" href="http://lambdadelta.info/css/lddl.css" />
+    <link rel="stylesheet" type="text/css" href="http://lambdadelta.info/css/xhtbl.css" />
+    <link rel="shortcut icon" href="http://lambdadelta.info/images/crux_16.ico" />
+  </head>
+  <body lang="en-US">
+    <div class="spacer">
+      <a href="http://lambdadelta.info/">
+        <img class="icon32" alt="[lambdadelta home]" title="lambdadelta home" src="http://lambdadelta.info/images/crux_32.png" />
+      </a>
+    </div>
+    <div class="head1">cic:/matita/lambdadelta/ground_2/ (background for λδ version 2)</div>
+    <div class="spacer">
+      <img class="rule" alt="[Spacer]" title="lambdadelta rainbow rule" src="http://lambdadelta.info/images/rainbow.png" />
+    </div>
+   <div xmlns:ld="http://lambdadelta.info/" class="head2">Summary of the Specification</div>
+   <div xmlns:ld="http://lambdadelta.info/" class="text">Here is a numerical acount of the specification's contents
+         and its timeline.
+         Nodes are counted according to the "intrinsinc complexity measure"
+         [F. Guidi: "Procedural Representation of CIC Proof Terms"
+         Journal of Automated Reasoning 44(1-2), Springer (February 2010),
+         pp. 53-78].
+   </div>
+   <div xmlns:ld="http://lambdadelta.info/" class="text">
+      <table cellpadding="4" cellspacing="0">
+        <tbody>
+          <tr>
+            <td class="snns component grey">category</td>
+            <td class="snns plane grey">objects</td>
+            <td class="snnn number grey">
+              <br />
+            </td>
+            <td class="snnn plane grey">
+              <br />
+            </td>
+            <td class="snnn number grey">
+              <br />
+            </td>
+            <td class="snnn plane grey">
+              <br />
+            </td>
+            <td class="ssnn number grey">
+              <br />
+            </td>
+          </tr>
+          <tr>
+            <td class="snns component cyan">sizes</td>
+            <td class="snns plane cyan">files</td>
+            <td class="snnn number cyan">24  </td>
+            <td class="snns plane cyan">characters</td>
+            <td class="snnn number cyan">62302</td>
+            <td class="snns plane cyan">nodes</td>
+            <td class="ssnn number cyan">38860</td>
+          </tr>
+          <tr>
+            <td class="snns component green">propositions</td>
+            <td class="snns plane green">theorems</td>
+            <td class="snnn number green">2</td>
+            <td class="snns plane green">lemmas</td>
+            <td class="snnn number green">88</td>
+            <td class="snns plane green">total</td>
+            <td class="ssnn number green">90</td>
+          </tr>
+          <tr>
+            <td class="snss component yellow">concepts</td>
+            <td class="snss plane yellow">declared</td>
+            <td class="snsn number yellow">40</td>
+            <td class="snss plane yellow">defined</td>
+            <td class="snsn number yellow">22</td>
+            <td class="snss plane yellow">total</td>
+            <td class="sssn number yellow">62</td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
+   <ul xmlns:ld="http://lambdadelta.info/">
+      <li>
+        <span class="date">2013 November 27.</span>
+         Natural numbers with infinity.
+   </li>
+    </ul>
+   <ul xmlns:ld="http://lambdadelta.info/">
+      <li>
+        <span class="date">2011 August 10.</span>
+         Specification starts.
+   </li>
+    </ul>
+
+   <div xmlns:ld="http://lambdadelta.info/" class="head2">Logical Structure of the Specification</div>
+   <div xmlns:ld="http://lambdadelta.info/" class="text">The source files are grouped in planes
+         according to the following table.
+         Notation files covering the whole specification are provided.
+         The notation for the relations or functions introduced in each file
+         is shown in parentheses (? are placeholders).
+   </div>
+   <div xmlns:ld="http://lambdadelta.info/" class="text">
+      <table cellpadding="4" cellspacing="0">
+        <tbody>
+          <tr>
+            <td class="snns plane grey">plane</td>
+            <td class="snns file grey">files</td>
+            <td class="snnn file grey">
+              <br />
+            </td>
+            <td class="snnn file grey">
+              <br />
+            </td>
+            <td class="snnn file grey">
+              <br />
+            </td>
+            <td class="ssnn file grey">
+              <br />
+            </td>
+          </tr>
+          <tr>
+            <td class="snns plane yellow">natural numbers with infinity</td>
+            <td class="snns file yellow">ynat ( ∞ )</td>
+            <td class="snnn file yellow">ynat_pred ( ⫰? )</td>
+            <td class="snnn file yellow">ynat_succ ( ⫯? )</td>
+            <td class="snnn file yellow">ynat_le ( ?≤? )</td>
+            <td class="ssnn file yellow">ynat_lt ( ?&lt;? )</td>
+          </tr>
+          <tr>
+            <td class="snns plane orange">extensions to the library</td>
+            <td class="snns file orange">arith.ma ( ?^? )</td>
+            <td class="snnn file orange">
+              <br />
+            </td>
+            <td class="snnn file orange">
+              <br />
+            </td>
+            <td class="snnn file orange">
+              <br />
+            </td>
+            <td class="ssnn file orange">
+              <br />
+            </td>
+          </tr>
+          <tr>
+            <td class="snss plane red">generated logical decomposables</td>
+            <td class="snss file red">xoa ( ∃∃ ) ( ∨∨ ) ( ∧∧ )</td>
+            <td class="snsn file red">xoa_props ( ⊥ ) ( ⊤ )</td>
+            <td class="snsn file red">
+              <br />
+            </td>
+            <td class="snsn file red">
+              <br />
+            </td>
+            <td class="sssn file red">
+              <br />
+            </td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
+
+   <div xmlns:ld="http://lambdadelta.info/" class="head2">Physical Structure of the Specification</div>
+   <div xmlns:ld="http://lambdadelta.info/" class="text">The source files are grouped in directories,
+         one for each plane.
+   </div>
+   <div class="spacer">
+      <img class="rule" alt="[Spacer]" title="lambdadelta rainbow rule" src="http://lambdadelta.info/images/rainbow.png" />
+    </div>
+    <div xmlns:ld="http://lambdadelta.info/" class="spacer">
+      <br />
+    </div>
+    <div xmlns:ld="http://lambdadelta.info/" class="spacer">
+      <a href="http://validator.w3.org/check?uri=referer">
+        <img class="w3c" alt="[Valid XHTML 1.1]" title="Valid XHTML 1.1" src="http://www.w3.org/Icons/valid-xhtml11-blue" />
+      </a>
+      <a href="http://jigsaw.w3.org/css-validator/check/referer">
+        <img class="w3c" alt="[Valid CSS level 2]" title="Valid CSS level 2" src="http://www.w3.org/Icons/valid-css2-blue" />
+      </a>
+      <a href="http://www.w3.org/XML/">
+        <img class="w3c" alt="[Generated from XML via XSL]" title="Generated from XML via XSL" src="http://lambdadelta.info/images/xml_xsl2.png" />
+      </a>
+      <a href="http://www.w3.org/Graphics/PNG/">
+        <img class="w3c" alt="[PNG used here]" title="PNG used here" src="http://lambdadelta.info/images/PNGnow2.png" />
+      </a>
+      <a href="http://www.anybrowser.org/campaign/">
+        <img class="w3c" alt="[Viewable with any browser]" title="Viewable with any browser" src="http://www.anybrowser.org/campaign/bvgraphics/abtfile.png" />
+      </a>
+    </div>
+    <div xmlns:ld="http://lambdadelta.info/" class="spacer">
+      <br />
+    </div>
+    <div xmlns:ld="http://lambdadelta.info/" class="spacer">Last update: Thu, 28 Nov 2013 17:05:53 +0100</div>
+</body>
+</html>
index 915d3193dddb1ee37905255c5a39d4d3d5b3727f..55d01c4dd4de05fc7f67bf21e6088efccdefb485 100644 (file)
@@ -71,6 +71,8 @@ specification of λδ version 2 and related topics is restarted in <a href="http
 topics related to the specification (Applications).</li>
             <li><a href="basic_2.html">Here</a> is a page about the
 specification (Core). </li>
+            <li><a href="ground_2.html">Here</a> is a page about the
+background of the specification (Ground).</li>
           </ul>
         </li>
       </ul>
@@ -225,7 +227,7 @@ this site as the first result.</li>
           Transitional" src="http://www.w3.org/Icons/valid-html401" style="border: 0px solid ; width: 88px; height: 31px;"></a> <a href="http://www.anybrowser.org/campaign/"><img alt="[Use Any
           Browser Here]" title="Use Any Browser Here" src="images/globe_trans.png" style="border: 0px solid ; width: 147px; height: 42px;"></a> <img style="width: 88px; height: 31px;" alt="[PNG Used Here]" title="PNG Used Here" src="images/PNGnow2.png"><br>
 <br>
-Last update 2012-12-02 by <a href="http://www.cs.unibo.it/%7Efguidi/">Ferruccio
+Last update 2013-10-27 by <a href="http://www.cs.unibo.it/%7Efguidi/">Ferruccio
 
 Guidi</a><br>
 </div>