<tbody>
<tr>
<td class="snns capitalize italic sky">
- <a href="http://lambdadelta.info/index.html">home</a>
+ <a href="http://lambdadelta.info/home.html">home</a>
</td>
<td class="snns capitalize italic magenta">
<a href="http://lambdadelta.info/news.html">news</a>
</tr>
<tr>
<td class="snns capitalize sky">
- <a href="http://lambdadelta.info/index.html#foreword">foreword</a>
+ <a href="http://lambdadelta.info/home.html#foreword">foreword</a>
</td>
<td class="snns capitalize magenta">
<a href="http://lambdadelta.info/news.html#milestones">milestones</a>
<a href="http://lambdadelta.info/implementation.html#helena">helena</a>
</td>
<td class="ssnn capitalize green">
- <br />
+ <a href="http://lambdadelta.info/osn/">Open Symbolic Notation (OSN)</a>
</td>
</tr>
<tr>
<td class="snss capitalize sky">
- <a href="http://lambdadelta.info/index.html#citations">citations</a>
+ <a href="http://lambdadelta.info/home.html#citations">citations</a>
</td>
<td class="snss capitalize magenta">
<a href="http://lambdadelta.info/news.html#visibility">visibility</a>
</tbody>
</table>
</div>
- <div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="specifications">Computer-checked formal specifications <img class="icon37" alt="[spacer]" title="\lambda\delta butterfly" src="http://lambdadelta.info/images/b15.png" />
+ <div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="specifications">Computer-checked formal specifications <img class="icon37" alt="[butterfly]" title="\lambda\delta butterfly" src="http://lambdadelta.info/images/b15.png" />
</div>
<div xmlns:ld="http://lambdadelta.info/" class="text">
The systems of the λδ family are developed as machine-checked digital specifications,
</ul>
<!-- VERSION 3 =========================================================== -->
<div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="v3">
- <img class="icon37" alt="[spacer]" title="\lambda\delta butterfly" src="http://lambdadelta.info/images/b8.png" /> λδ version 3 (proposed)</div>
+ <img class="icon37" alt="[butterfly]" title="\lambda\delta 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="\lambda\delta butterfly" src="http://lambdadelta.info/images/b4.png" /> λδ version 2 (active)</div>
+ <img class="icon37" alt="[butterfly]" title="\lambda\delta butterfly" src="http://lambdadelta.info/images/b4.png" /> λδ version 2 (active)</div>
<div xmlns:ld="http://lambdadelta.info/" class="text">
The formal specification of λδ version 2
is available in the following formats:
</div>
<!-- VERSION 1 =========================================================== -->
<div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="v1">
- <img class="icon37" alt="[spacer]" title="\lambda\delta butterfly" src="http://lambdadelta.info/images/b6.png" /> λδ version 1 (superseded)</div>
+ <img class="icon37" alt="[butterfly]" title="\lambda\delta butterfly" src="http://lambdadelta.info/images/b6.png" /> λδ version 1 (superseded)</div>
<div xmlns:ld="http://lambdadelta.info/" class="text">
The formal specification of λδ version 1
is available in the following formats:
Source scripts.
<a href="http://lambdadelta.info/documentation.html#ldJ1a">Documentation (J1a)</a>.
<ul>
- <li>
+ <li class="">
<span class="emph delta">2015 January 15.</span>
17 new lemmas and former lemma "eq_nat_dec" renamed as "nat_dec_neg".
</li>
(revised <span class="emph delta">2011-09</span>).
Static HTML pages generated by the <a href="http://helm.cs.unibo.it/">HELM</a> rendering engine.
<ul>
- <li>
+ <li class="">
<a href="http://lambdadelta.info/static/matita/lambdadelta/basic_1/pr3/pr3/pr3_confluence.con.html">
Confluence of reduction</a>
(Church-Rosser property).
</li>
- <li>
+ <li class="">
<a href="http://lambdadelta.info/static/matita/lambdadelta/basic_1/ty3/props/ty3_correct.con.html">
Correctness of types</a>.
</li>
- <li>
+ <li class="">
<a href="http://lambdadelta.info/static/matita/lambdadelta/basic_1/ty3/props/ty3_unique.con.html">
Uniqueness of types up to conversion</a>.
</li>
- <li>
+ <li class="">
<a href="http://lambdadelta.info/static/matita/lambdadelta/basic_1/ty3/pr3/ty3_sred_pr3.con.html">
Subject reduction of the type assignment</a>.
</li>
- <li>
+ <li class="">
<a href="http://lambdadelta.info/static/matita/lambdadelta/basic_1/ty3/arity_props/ty3_sn3.con.html">
Strong normalization of the typed terms</a>.
</li>
- <li>
+ <li class="">
<a href="http://lambdadelta.info/static/matita/lambdadelta/basic_1/ty3/dec/ty3_inference.con.html">
Decidability of the type inference problem</a>.
</li>
<div xmlns:ld="http://lambdadelta.info/" class="spacer">
<br />
</div>
- <div xmlns:ld="http://lambdadelta.info/" class="spacer">Last update: Mon, 27 Jun 2016 20:56:29 +0200</div>
+ <div xmlns:ld="http://lambdadelta.info/" class="spacer">Last update: Sat, 01 Apr 2017 16:50:38 +0200</div>
</body>
</html>