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- <div class="head1">The Formal System λδ (\lambda\delta)</div>
+ <div class="head1">The Formal Systems of the λδ (\lambda\delta) Family</div>
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- <a href="http://lambdadelta.info/documentation.html">documentation</a>
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+ <td class="snns capitalize italic white">
<a href="http://lambdadelta.info/specification.html">specification</a>
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+ <td class="snnn capitalize italic white">
<br />
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+ <td class="snnn capitalize italic white">
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+ <td class="snns capitalize italic orange">
+ <a href="http://lambdadelta.info/documentation.html">documentation</a>
+ </td>
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<a href="http://lambdadelta.info/implementation.html">implementation</a>
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<a href="http://lambdadelta.info/news.html#milestones">milestones</a>
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- <td class="snns capitalize orange">
- <a href="http://lambdadelta.info/documentation.html#v2">version 2</a>
- </td>
- <td class="snns capitalize green">
+ <td class="snns capitalize white">
<a href="http://lambdadelta.info/specification.html#v2">version 2</a>
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- <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="snnn capitalize green">
+ <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>
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<a href="http://lambdadelta.info/implementation.html#lddl">library</a>
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<a href="http://lambdadelta.info/news.html#visibility">visibility</a>
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+ <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>
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<a href="http://lambdadelta.info/documentation.html#v1">version 1</a>
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- <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/ground_1.html">background</a> - <a href="http://lambdadelta.info/basic_1.html">core</a>)</td>
- <td class="snsn capitalize green">(<a href="http://lambdadelta.info/static/matita/lambdadelta/">static HELM directory</a>)</td>
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<a href="http://lambdadelta.info/implementation.html#helena">helena</a>
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<div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="milestones">Milestones <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b3.png" />
</div>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph alpha">December 2015.</span>
+ <a href="http://lambdadelta.info/documentation.html#ldJ3a">Second journal paper on λδ</a>
+ accepted for publication.
+ </li>
+ </ul>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph gamma">December 2015.</span>
+ <a href="http://lambdadelta.info/implementation.html#v3">"Helena 0.8.3"</a> is released.
+ </li>
+ </ul>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph delta">August 2015.</span>
+ The specification of λδ version 2A1 is concluded.
+ </li>
+ </ul>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph gamma">June 2015.</span>
+ The corrected specification of Landau's "Grundlagen der Analysis"
+ is validated in a λProlog implementation of λδ version 3.
+ </li>
+ </ul>
<ul xmlns:ld="http://lambdadelta.info/">
<li>
<span class="emph delta">March 2015.</span>
<ul>
<li>
The translated specification of Landau's "Grundlagen der Analysis"
- is validated in λC by <a href="http://coq.inria.fr/">Coq 8.4.3</a>.
+ is validated in CC by <a href="http://coq.inria.fr/">Coq 8.4.3</a>.
</li>
</ul>
</li>
<ul xmlns:ld="http://lambdadelta.info/">
<li>
<span class="emph gamma">October 2014.</span>
- <a href="http://lambdadelta.info/documentation.html#ldJ2a">λδ version 2A</a>
+ <a href="http://lambdadelta.info/documentation.html#ldJ2a">λδ version 2A1</a>
is released.
</li>
</ul>
<ul xmlns:ld="http://lambdadelta.info/">
<li>
<span class="emph delta">July 2008.</span>
- <a href="http://lambdadelta.info/documentation.html#ldJ1">First journal paper on λδ</a>
+ <a href="http://lambdadelta.info/documentation.html#ldJ1a">First journal paper on λδ</a>
accepted for publication.
</li>
</ul>
<span class="emph alpha">June 2014.</span>
The <a href="http://www.google.com/">Google</a>
search for "formal system lambda delta" gives
- 5 resources about λδ in the first 6 results.
+ 5 resources about the λδ family in the first 6 results.
</li>
</ul>
<ul xmlns:ld="http://lambdadelta.info/">
<span class="emph alpha">June 2014.</span>
The <a href="http://www.yahoo.com/">Yahoo</a>
search for "formal system lambda delta" gives
- 4 resources about λδ in the first 5 results.
+ 4 resources about the λδ family in the first 5 results.
</li>
</ul>
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- <div xmlns:ld="http://lambdadelta.info/" class="spacer">Last update: Fri, 06 Mar 2015 17:53:24 +0100</div>
+ <div xmlns:ld="http://lambdadelta.info/" class="spacer">Last update: Fri, 01 Apr 2016 23:30:52 +0200</div>
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