<h3 style="text-align: right;">News <img
style="width: 37px; height: 37px;" alt="[Butterfly]" title="Butterfly"
src="download/b5.png"></h3>
+ <ul>
+ <li><span style="font-weight: bold;">September 2011.</span> The
+denomination "lambda-delta" changes to "lambda_delta".</li>
+ <ul>
+ <li>The character "-" is reserved in λδ textual syntax
+(recognized by <span style="font-style: italic;">Helena 0.8.1</span>).<br>
+ </li>
+ <li>Eventually, the occurrences of the character "-" will be
+replaced by "_" in all λδ-related identifiers.</li>
+ <li>In particular, this refactoring involves file names and
+path names.</li>
+ <li>The permanent λδ URL is sheduled to become <span
+ style="font-style: italic;">http://lambda_delta.info</span> as soon as
+possible.<br>
+ </li>
+ </ul>
+ </ul>
+ <ul>
+ <li><span style="font-weight: bold;">April 2011.</span> The
+specification of λδ version 2 is restarted in <a
+ href="http://matita.cs.unibo.it/">Matita 0.5</a>.<br>
+ </li>
+ </ul>
<ul>
<li><span style="font-weight: bold;">December 2010.</span>
Permanent λδ URL acquired: <a href="http://lambda-delta.info">http://lambda-delta.info</a>
href="implementation.html#helena">λδ</a><span
style="font-style: italic;"></span>, <span style="font-style: italic;"></span>is
available
-as a
-part of the <a href="http://helm.cs.unibo.it/">HELM</a> software. <br>
+as
+a
+part
+of
+the <a href="http://helm.cs.unibo.it/">HELM</a> software. <br>
</li>
</ul>
<span style="font-weight: bold;"></span>
<span style="font-weight: bold;"></span></li>
</ul>
<ul>
- <li><span style="font-weight: bold;">March 2008.</span> An
-improvement of the
-specification of λδ in Coq 7.3.1 begins:
- <ul>
+ <li><span style="font-weight: bold;">March 2008.</span> The
+specification of λδ version 2 in Coq 7.3.1 begins:
+<!-- <ul>
<li>native type assignment with new rules for application: <span
style="font-style: italic;">nty</span> (it replaces <span
style="font-style: italic;">ty3</span>);<br>
<li>parallel conversion on focalized terms: <span
style="font-style: italic;">fpcs</span> (it replaces <span
style="font-style: italic;"></span><span style="font-style: italic;">pc3</span>);
-
-
-
-
-
-
-
<br>
</li>
<li>new weak parallel reduction on environments: <span
<li>new shift function: <span style="font-style: italic;">shift</span>:
(it
replaces
+
<span style="font-style: italic;">app1</span>);</li>
<li>new length function for environments: <span
style="font-style: italic;">clen</span>;<br>
</li>
<li>we removed greedy substitution (<span
style="font-style: italic;"></span><span style="font-style: italic;">csubst0</span>,
-
-
<span style="font-style: italic;">csubst1</span>, <span
style="font-style: italic;">fsubst0</span>, <span
style="font-style: italic;">subst0</span>, <span
<li>we removed level indicators on environments (<span
style="font-style: italic;">cbk</span>).</li>
</ul>
- </li>
+--> </li>
</ul>
<ul>
<li><span style="font-weight: bold;">September 2007.</span>
style="width: 37px; height: 37px;" alt="[Butterfly]" title="Butterfly"
src="download/b4.png"></h3>
<ul>
- <li><span style="font-weight: bold;">November 2010.</span> The <a
- href="http://www.google.com/">Google</a>
+ <li><span style="font-weight: bold;">November 2010.</span>
+The <a href="http://www.google.com/">Google</a>
search <span style="color: rgb(255, 0, 0);">formal system lambda delta</span>
gives 8 resources about λδ as the first results.<br>
</li>
</ul>
<ul>
- <li><span style="font-weight: bold;">November 2010.</span> The <a
- href="http://www.yahoo.com/">Yahoo</a>
+ <li><span style="font-weight: bold;">November 2010.</span>
+The <a href="http://www.yahoo.com/">Yahoo</a>
search <span style="color: rgb(255, 0, 0);">formal system lambda delta</span>
gives 4 resources and 2 sub-resources about λδ as the first results.</li>
</ul>
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="http://www.cs.unibo.it/%7Efguidi/download/globe-trans.png"
+ src="download/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="http://www.cs.unibo.it/%7Efguidi/download/PNGnow2.png"><br>
+ src="download/PNGnow2.png"><br>
<br>
-Last update 2010-12-14 by <a href="http://www.cs.unibo.it/%7Efguidi/">Ferruccio
+Last update 2011-09-09 by <a href="http://www.cs.unibo.it/%7Efguidi/">Ferruccio
Guidi</a><br>
</div>
</body>