X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fwww%2Flambdadelta%2Fspecification.html;h=41de394776bcc844420082b9933e428e56a0f042;hb=f7d7f2459b3b0409be5f168822be3b836ccc929b;hp=72bfee5bab0b2cee110116b8dec3607d94aba303;hpb=2c4b4aaa6f1490346823a26cba5dd965cab0cd02;p=helm.git

diff --git a/helm/www/lambdadelta/specification.html b/helm/www/lambdadelta/specification.html
index 72bfee5ba..41de39477 100644
--- a/helm/www/lambdadelta/specification.html
+++ b/helm/www/lambdadelta/specification.html
@@ -19,7 +19,7 @@
         <img class="icon32" alt="[lambdadelta home]" title="lambdadelta home" src="http://lambdadelta.info/images/crux_32.png" />
       </a>
     </div>
-    <div class="head1">The Formal System λδ (\lambda\delta)</div>
+    <div class="head1">The Formal Systems of the λδ (\lambda\delta) Family</div>
     <div class="spacer">
       <img class="rule" alt="[Spacer]" title="lambdadelta rainbow rule" src="http://lambdadelta.info/images/rainbow.png" />
     </div>
@@ -36,15 +36,18 @@
             <td class="snns capitalize italic magenta">
               <a href="http://lambdadelta.info/news.html">news</a>
             </td>
-            <td class="snns capitalize italic orange">
-              <a href="http://lambdadelta.info/documentation.html">documentation</a>
-            </td>
-            <td class="snns capitalize italic green">
+            <td class="snns capitalize italic white">
               <a href="http://lambdadelta.info/specification.html">specification</a>
             </td>
-            <td class="snnn capitalize italic green">
+            <td class="snnn capitalize italic white">
               <br />
             </td>
+            <td class="snnn capitalize italic white">
+              <br />
+            </td>
+            <td class="snns capitalize italic orange">
+              <a href="http://lambdadelta.info/documentation.html">documentation</a>
+            </td>
             <td class="snns capitalize italic green">
               <a href="http://lambdadelta.info/implementation.html">implementation</a>
             </td>
@@ -59,13 +62,16 @@
             <td class="snns capitalize magenta">
               <a href="http://lambdadelta.info/news.html#milestones">milestones</a>
             </td>
+            <td class="snns capitalize white">
+              <a href="http://lambdadelta.info/specification.html#v2">version 2</a>
+            </td>
+            <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>
+            <td class="snnn capitalize white">
+              <br />
+            </td>
             <td class="snns capitalize orange">
               <a href="http://lambdadelta.info/documentation.html#v2">version 2</a>
             </td>
-            <td class="snns capitalize green">
-              <a href="http://lambdadelta.info/specification.html#v2">version 2</a>
-            </td>
-            <td class="snnn capitalize green">(<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>
             <td class="snns capitalize green">
               <a href="http://lambdadelta.info/implementation.html#lddl">library</a>
             </td>
@@ -78,13 +84,14 @@
             <td class="snss capitalize magenta">
               <a href="http://lambdadelta.info/news.html#visibility">visibility</a>
             </td>
+            <td class="snss capitalize white">
+              <a href="http://lambdadelta.info/specification.html#v1">version 1</a>
+            </td>
+            <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>
+            <td class="snsn capitalize white">(<a href="http://lambdadelta.info/static/matita/lambdadelta/">static HELM directory</a>)</td>
             <td class="snss capitalize orange">
               <a href="http://lambdadelta.info/documentation.html#v1">version 1</a>
             </td>
-            <td class="snss capitalize green">
-              <a href="http://lambdadelta.info/specification.html#v1">version 1</a>
-            </td>
-            <td class="snsn capitalize green">(<a href="http://lambdadelta.info/static/matita/lambdadelta/">static HELM directory</a>)</td>
             <td class="snss capitalize green">
               <a href="http://lambdadelta.info/implementation.html#helena">helena</a>
             </td>
@@ -95,12 +102,11 @@
         </tbody>
       </table>
     </div>
-    <div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="specifications">Computer-checked formal specifications <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b5.png" />
+    <div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="specifications">Computer-checked formal specifications <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b15.png" />
     </div>
     <div xmlns:ld="http://lambdadelta.info/" class="text">
-      λδ is developed as a machine-checked digital specification.
-      It comes in several versions listed in the next table,
-      which includes the major milestones.
+      The systems of the λδ family are developed as machine-checked digital specifications,
+      and are listed in the next table, which includes the major milestones.
    </div>
     <div xmlns:ld="http://lambdadelta.info/" class="text">
       The life cycle of a specification consists of four periods.
@@ -126,7 +132,23 @@
             <td class="snnn top capitalize italic gray">started</td>
             <td class="snnn top capitalize italic gray">announced</td>
             <td class="snnn top capitalize italic gray">released</td>
-            <td class="ssnn top capitalize italic gray">concluded</td>
+            <td class="snnn top capitalize italic gray">concluded</td>
+            <td class="ssnn top capitalize italic gray">references</td>
+          </tr>
+          <tr>
+            <td class="snns top yellow">
+              <a href="http://lambdadelta.info/specification.html#v3">Version 3</a>
+            </td>
+            <td class="snnn top yellow">"basic_3"</td>
+            <td class="snnn top yellow" />
+            <td class="snnn top yellow" />
+            <td class="snnn top yellow" />
+            <td class="snnn top yellow" />
+            <td class="snnn top yellow" />
+            <td class="snnn top yellow" />
+            <td class="ssnn top yellow">
+              <a href="http://lambdadelta.info/documentation#ldJ3a">J3a</a>
+            </td>
           </tr>
           <tr>
             <td class="snns top orange">
@@ -136,11 +158,34 @@
             <td class="snnn top orange">
               <a href="http://matita.cs.unibo.it/">Matita 0.99.2</a>
             </td>
-            <td class="snnn top orange">"A"</td>
+            <td class="snns top orange">"A2"</td>
+            <td class="snnn top orange">October 2015</td>
+            <td class="snnn top orange" />
+            <td class="snnn top orange" />
+            <td class="snnn top orange" />
+            <td class="ssnn top orange">
+              <br />
+            </td>
+          </tr>
+          <tr>
+            <td class="nnns top orange">
+              <br />
+            </td>
+            <td class="nnnn top orange">
+              <br />
+            </td>
+            <td class="nnnn top orange">
+              <br />
+            </td>
+            <td class="snns top orange">"A1"</td>
             <td class="snnn top orange">April 2011</td>
             <td class="snnn top orange">June 2014</td>
             <td class="snnn top orange">October 2014</td>
-            <td class="ssnn top orange" />
+            <td class="snnn top orange">August 2015</td>
+            <td class="ssnn top orange">
+              <a href="http://lambdadelta.info/documentation#ldV2a">V2a</a>
+              <a href="http://lambdadelta.info/documentation#ldR2c">R2c</a>
+            </td>
           </tr>
           <tr>
             <td class="snns top orange">Abandoned</td>
@@ -152,7 +197,10 @@
             <td class="snnn top orange">March 2008</td>
             <td class="snnn top orange" />
             <td class="snnn top orange" />
-            <td class="ssnn top orange">February 2011</td>
+            <td class="snnn top orange">February 2011</td>
+            <td class="ssnn top orange">
+              <br />
+            </td>
           </tr>
           <tr>
             <td class="snss top red">
@@ -166,11 +214,42 @@
             <td class="snsn top red">May 2004</td>
             <td class="snsn top red">December 2005</td>
             <td class="snsn top red">November 2006</td>
-            <td class="sssn top red">May 2008</td>
+            <td class="snsn top red">May 2008</td>
+            <td class="sssn top red">
+              <a href="http://lambdadelta.info/documentation#ldV1a">V1a</a>
+              <a href="http://lambdadelta.info/documentation#ldJ1a">J1a</a>
+            </td>
           </tr>
         </tbody>
       </table>
     </div>
+    <div xmlns:ld="http://lambdadelta.info/" class="text">
+     Informational pages on the specifications are provided.
+   </div>
+    <ul xmlns:ld="http://lambdadelta.info/" id="notice1">
+      <li>
+        <span class="emph alpha">Notice on displayed numerical acounts:</span>
+      nodes are counted according to the "intrinsic complexity measure"
+      [F. Guidi: "Procedural Representation of CIC Proof Terms"
+      Journal of Automated Reasoning 44(1-2), Springer (February 2010), pp. 53-78].       
+   </li>
+    </ul>
+    <ul xmlns:ld="http://lambdadelta.info/" id="notice2">
+      <li>
+        <span class="emph alpha">Notice on displayed logical structures:</span>
+      from the logical standpoint, the source scripts are grouped in "planes"
+      and these are grouped in "components";
+      the notation for the relations or functions
+      introduced in each script, is shown in parentheses (? are placeholders).
+   </li>
+    </ul>
+    <!-- VERSION 3 =========================================================== -->
+    <div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="v3">
+      <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b8.png" /> λδ version 3 (proposed)</div>
+    <div xmlns:ld="http://lambdadelta.info/" class="text">
+      The formal specification of λδ version 3
+      is forthcoming.
+   </div>
     <!-- VERSION 2 =========================================================== -->
     <div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="v2">
       <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b4.png" /> λδ version 2 (active)</div>
@@ -181,9 +260,10 @@
     <ul xmlns:ld="http://lambdadelta.info/" id="source2">
       <li>
         <div class="text">
-          <a href="http://lambdadelta.info/download/lambdadelta_2.tar.gz">lambdadelta_2 for Matita 0.99.2</a>
+          <a href="http://lambdadelta.info/download/lambdadelta_2A1.tar.gz">lambdadelta_2A1 for Matita 0.99.2</a>
          (revised <span class="emph gamma">2014-10</span>).
          Source scripts.
+         <a href="http://lambdadelta.info/documentation.html#ldR2c">Documentation (R2c)</a>.
       </div>
         <div class="text">
          The scripts are grouped in directories, first by part, then by component.
@@ -201,19 +281,6 @@
       <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>.
-   </div>
-    <div xmlns:ld="http://lambdadelta.info/" class="text">
-      <span class="emph alpha">Notice on numerical acounts:</span>
-      nodes are counted according to the "intrinsic 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">
-      <span class="emph alpha">Notice on displayed logical structures:</span>
-      from the logical standpoint, the source scripts are grouped in "planes"
-      and these are grouped in "components";
-      the notation for the relations or functions
-      introduced in each script, is shown in parentheses (? are placeholders).
    </div>
     <!-- VERSION 1 =========================================================== -->
     <div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="v1">
@@ -226,9 +293,16 @@
       <li>
         <div class="text">
           <a href="http://lambdadelta.info/download/lambdadelta_1.tar.gz">lambdadelta_1 for Coq 7.3.1</a>
-         (revised <span class="emph delta">2012-10</span>).
+         (revised <span class="emph delta">2015-09</span>).
          Source scripts.
-      </div>
+         <a href="http://lambdadelta.info/documentation.html#ldJ1a">Documentation (J1a)</a>.
+         <ul>
+            <li>
+              <span class="emph delta">2015 January 15.</span>
+            17 new lemmas and former lemma "eq_nat_dec" renamed as "nat_dec_neg".
+         </li>
+          </ul>
+        </div>
         <div class="text">
          The scripts are grouped in directories, one for each part.
       </div>
@@ -277,6 +351,11 @@
       <span class="emph alpha">Notice: the HELM rendering engine is offline.</span>
       </li>
     </ul>
+    <div xmlns:ld="http://lambdadelta.info/" class="text">
+      Informational pages on the parts of the specification:
+      <a href="http://lambdadelta.info/ground_1.html">Background</a>,
+      <a href="http://lambdadelta.info/basic_1.html">Core</a>.
+   </div>
     <div class="spacer">
       <img class="rule" alt="[Spacer]" title="lambdadelta rainbow rule" src="http://lambdadelta.info/images/rainbow.png" />
     </div>
@@ -303,6 +382,6 @@
     <div xmlns:ld="http://lambdadelta.info/" class="spacer">
       <br />
     </div>
-    <div xmlns:ld="http://lambdadelta.info/" class="spacer">Last update: Mon, 05 Jan 2015 00:32:03 +0100</div>
+    <div xmlns:ld="http://lambdadelta.info/" class="spacer">Last update: Fri, 01 Apr 2016 23:30:52 +0200</div>
   </body>
 </html>