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- <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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- <a href="http://lambdadelta.info/implementation.html">implementation</a>
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- <a href="http://lambdadelta.info/home.html#foreword">foreword</a>
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- <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>
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- <a href="http://lambdadelta.info/documentation.html#v2">version 2</a>
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- <a href="http://lambdadelta.info/implementation.html#helena">helena</a>
- </td>
- <td class="ssnn capitalize green">
- <a href="http://lambdadelta.info/osn/">Open Symbolic Notation (OSN)</a>
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- </tr>
- <tr>
- <td class="snss capitalize sky">
- <a href="http://lambdadelta.info/home.html#citations">citations</a>
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- <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/implementation.html#lddl">library</a>
- </td>
- <td class="sssn capitalize green">(<a href="http://lambdadelta.info/static/lddl/">static LDDL directory</a>)</td>
- </tr>
- </tbody>
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- </div>
- <div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="tools">Tools <img class="icon37" alt="[butterfly]" title="\lambda\delta butterfly" src="http://lambdadelta.info/images/b5.png" />
- </div>
- <div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="osn">
- <a href="http://lambdadelta.info/osn/">
- <img class="w3c" alt="[Open Symbolic Notation logo]" title="OSN: Open Symbolic Notation" src="http://lambdadelta.info/images/osn_label.png" />
- </a> Open Symbolic Notation</div>
- <div xmlns:ld="http://lambdadelta.info/" class="text">
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:ld="http://lambdadelta.info/" 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="\lambda\delta home page"/><title>\lambda\delta home page</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="[\lambda\delta home]" title="\lambda\delta home" src="http://lambdadelta.info/images/crux_32.png"/></a></div><div class="head1">The Formal Systems of the λδ (\lambda\delta) Family</div><div class="spacer"><img class="rule" alt="[Spacer]" title="\lambda\delta rainbow rule" src="http://lambdadelta.info/images/rainbow.png"/></div><div class="spacer"><br/></div><div class="text"><table cellpadding="4" cellspacing="0"><tbody><tr><td class="snns capitalize italic sky"><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></td><td class="snns capitalize italic white"><a href="http://lambdadelta.info/specification.html">specification</a></td><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><td class="ssnn capitalize italic green"><br/></td></tr><tr><td class="snns capitalize sky"><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></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/implementation.html#helena">helena</a></td><td class="ssnn capitalize green"><a href="http://lambdadelta.info/osn/">Open Symbolic Notation (OSN)</a></td></tr><tr><td class="snss capitalize sky"><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></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/implementation.html#lddl">library</a></td><td class="sssn capitalize green">(<a href="http://lambdadelta.info/static/lddl/">static LDDL directory</a>)</td></tr></tbody></table></div><div class="head2dx" id="tools">Tools <img class="icon37" alt="[butterfly]" title="\lambda\delta butterfly" src="http://lambdadelta.info/images/b5.png"/></div><div class="head3sn" id="osn"><a href="http://lambdadelta.info/osn/"><img class="w3c" alt="[Open Symbolic Notation logo]" title="OSN: Open Symbolic Notation" src="http://lambdadelta.info/images/osn_label.png"/></a> Open Symbolic Notation</div><div class="text">
Open Symbolic Notation, abbreviated OSN,
is an easy and flexible data-interchange text format
intended for the lightweight representation of
generic abstract syntax trees in the domain of formal languages.
Additional information is available at <a href="http://lambdadelta.info/osn/">OSN web site</a>.
- </div>
- <div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="helena">
- <img class="icon32" alt="[Helena logo]" title="Helena" src="http://lambdadelta.info/images/helena_32.png" /> Helena</div>
- <div xmlns:ld="http://lambdadelta.info/" class="text">
+ </div><div class="head3sn" id="helena"><img class="icon32" alt="[Helena logo]" title="Helena" src="http://lambdadelta.info/images/helena_32.png"/> Helena</div><div class="text">
Helena is a processor for the systems of the λδ family,
implemented in <a href="http://caml.inria.fr/">Caml</a>
as a part of the <a href="http://helm.cs.unibo.it/">HELM</a> software,
meant for testing both their stable and unstable features.
- </div>
- <div xmlns:ld="http://lambdadelta.info/" class="text">
+ </div><div class="text">
The processor source code is available in the directory
<a href="http://helm.cs.unibo.it/websvn/listing.php?repname=helm&path=%2Ftrunk%2Fhelm%2Fsoftware%2Fhelena%2F&rev=0&sc=0">/trunk/helm/software/helena/</a>
of the <a href="http://helm.cs.unibo.it/software/index.html">HELM Svn repository</a>.
The Svn revisions containing the stable versions of Helena are indicated next.
- </div>
- <ul xmlns:ld="http://lambdadelta.info/" id="v3">
- <li>
- <span class="emph gamma">Version 0.8.3 (2015-12).</span>
+ </div><ul id="v3"><li><span class="emph gamma">Version 0.8.3 (2015-12).</span>
Supports exportation to λProlog
(two formats for ELPI,
and two formats for <a href="http://teyjus.cs.umn.edu/">Teyjus</a>).
Overall validation speed of the "Grundlagen der Analysis" with respect to version 0.8.2:
+3% with optimized compilation, +5% without optimized compilation.
[Svn revision: 13108] (<a href="http://lambdadelta.info/download/helena_0.8.3.tar.gz">archived source code</a>).
- <ul>
- <li class="">
- <span class="emph gamma">2015-06.</span>
+ <ul><li class=""><span class="emph gamma">2015-06.</span>
The corrected specification of Landau's "Grundlagen der Analysis"
is successfully validated in a λProlog implementation of λδ version 3.
- </li>
- </ul>
- </li>
- </ul>
- <ul xmlns:ld="http://lambdadelta.info/" id="v2">
- <li>
- <span class="emph gamma">Version 0.8.2 (2015-02).</span>
+ </li></ul></li></ul><ul id="v2"><li><span class="emph gamma">Version 0.8.2 (2015-02).</span>
Uses λδ version 3 with layer variables as core language.
Supports exportation to Gallina
(the specification language of <a href="http://coq.inria.fr/">Coq</a>),
increases of 34% with respect to version 0.8.1.
<a href="http://lambdadelta.info/documentation.html#ldJ3a">Documentation (J3a)</a>.
[Svn revision: 13035] (<a href="http://lambdadelta.info/download/helena_0.8.2.tar.gz">archived source code</a>).
- <ul>
- <li class="">
+ <ul><li class="">
The specification of Landau's "Grundlagen der Analysis"
for <a href="http://coq.inria.fr/">Coq 8</a>:
<a href="http://lambdadelta.info/download/grundlagen_2.v">grundlagen_2.v</a>
(revised <span class="emph gamma">2015-02</span>).
- </li>
- <li class="">
+ </li><li class="">
The specification of Landau's "Grundlagen der Analysis"
for <a href="http://matita.cs.unibo.it/">Matita 0.99.2</a>:
<a href="http://lambdadelta.info/download/grundlagen_2.tar.bz2">grundlagen_2.tar.bz2</a>
(revised <span class="emph gamma">2015-02</span>).
- </li>
- <li class="">
+ </li><li class="">
The corrected specification of Landau's "Grundlagen der Analysis":
<a href="http://lambdadelta.info/download/grundlagen_2.aut">grundlagen_2.aut</a>
(revised <span class="emph gamma">2014-12</span>).
- </li>
- <li class="">
- <span class="emph gamma">2015-02.</span>
+ </li><li class=""><span class="emph gamma">2015-02.</span>
The translated specification of Landau's "Grundlagen der Analysis"
is successfully validated in CC by <a href="http://coq.inria.fr/">Coq 8.4.3</a>.
- </li>
- <li class="">
- <span class="emph gamma">2014-12.</span>
+ </li><li class=""><span class="emph gamma">2014-12.</span>
The corrected specification of Landau's "Grundlagen der Analysis"
is successfully validated in λδ version 3.
- </li>
- </ul>
- </li>
- </ul>
- <ul xmlns:ld="http://lambdadelta.info/" id="v1">
- <li>
- <span class="emph beta">Version 0.8.1 (2010-11).</span>
+ </li></ul></li></ul><ul id="v1"><li><span class="emph beta">Version 0.8.1 (2010-11).</span>
Uses a subset of λδ version 4 as intermediate language.
Features importation from ".hln" files containing λδ textual syntax.
The overall validation speed of the "Grundlagen der Analysis"
increases of 22% with respect to version 0.8.0.
[Svn revision: 11032] (<a href="http://lambdadelta.info/download/helena_0.8.1.tar.gz">archived source code</a>).
- <ul>
- <li class="">
+ <ul><li class="">
A <a href="http://www.jedsoft.org/jed/">Jed mode</a>
for editing ".hln" files (containing λδ textual syntax):
<a href="http://lambdadelta.info/download/helena.sl">helena.sl</a>
(revised <span class="emph alpha">2010-11</span>).
- </li>
- <li class="">
- <span class="emph beta">2009-12.</span>
+ </li><li class=""><span class="emph beta">2009-12.</span>
Helena appears in F. Wiedijk's
<a href="http://www.cs.ru.nl/%7Efreek/digimath/index.html#helena">
index of computer math systems</a>.
- </li>
- </ul>
- </li>
- </ul>
- <ul xmlns:ld="http://lambdadelta.info/" id="v0">
- <li>
- <span class="emph beta">Version 0.8.0 (2009-09).</span>
+ </li></ul></li></ul><ul id="v0"><li><span class="emph beta">Version 0.8.0 (2009-09).</span>
Supports λδ version 2 with naive implementation of impredicative sort inclusion.
Features importation from <a href="http://www.win.tue.nl/automath/">Automath</a>
and exportation to <a href="http://www.w3.org/XML/">XML</a>.
<a href="http://lambdadelta.info/documentation.html#ldR2a">Documentation (R2a)</a>.
[Svn revision: 10304] (<a href="http://lambdadelta.info/download/helena_0.8.0.tar.gz">archived source code</a>).
- <ul>
- <li class="">
+ <ul><li class="">
A <a href="http://www.jedsoft.org/jed/">Jed mode</a>
for editing ".aut" files
(containing <a href="http://www.win.tue.nl/automath/">Automath</a> textual syntax):
<a href="http://lambdadelta.info/download/automath.sl">automath.sl</a>
(revised <span class="emph gamma">2008-07</span>).
- </li>
- <li class="">
- <span class="emph beta">2009-09.</span>
+ </li><li class=""><span class="emph beta">2009-09.</span>
Jutting's specification of Landau's "Grundlagen der Analysis"
enters λδ Digital Library.
- </li>
- <li class="">
- <span class="emph beta">2009-06.</span>
+ </li><li class=""><span class="emph beta">2009-06.</span>
Jutting's specification of Landau's "Grundlagen der Analysis"
is successfully processed, enabling sort inclusion.
- </li>
- </ul>
- </li>
- </ul>
- <div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="lddl">
- <img class="icon32" alt="[\lambda\delta digital library logo]" title="LDDL: \lambda\delta digital library" src="http://lambdadelta.info/images/crux_32.png" /> λδ Digital Library (LDDL)</div>
- <div xmlns:ld="http://lambdadelta.info/" class="text">
+ </li></ul></li></ul><div class="head3sn" id="lddl"><img class="icon32" alt="[\lambda\delta digital library logo]" title="LDDL: \lambda\delta digital library" src="http://lambdadelta.info/images/crux_32.png"/> λδ Digital Library (LDDL)</div><div class="text">
The λδ Digital Library is part of <a href="http://helm.cs.unibo.it/">HELM</a>
and contains resources expressed in the systems of the λδ family.
- </div>
- <ul xmlns:ld="http://lambdadelta.info/" id="contents">
- <li>
- <span class="emph alpha">Contents:</span>
+ </div><ul id="contents"><li><span class="emph alpha">Contents:</span>
Landau's "Grundlagen der Analysis"
(from Jutting's specification in <a href="http://www.win.tue.nl/automath/">Automath</a>).
- </li>
- </ul>
- <ul xmlns:ld="http://lambdadelta.info/" id="access">
- <li>
- <span class="emph alpha">Access:</span>
- <a href="http://lambdadelta.info/static/lddl/">static pages</a> (updated <span class="emph gamma">2015-01</span>),
+ </li></ul><ul id="access"><li><span class="emph alpha">Access:</span><a href="http://lambdadelta.info/static/lddl/">static pages</a> (updated <span class="emph gamma">2015-01</span>),
<a href="http://lambdadelta.info/download/lddl.tar.bz2">data set</a> (updated <span class="emph gamma">2014-12</span>),
<a href="http://lambdadelta.info/xml/">HELM server URL</a> (updated <span class="emph gamma">2014-12</span>).
- </li>
- </ul>
- <ul xmlns:ld="http://lambdadelta.info/" id="examples">
- <li>
- <span class="emph alpha">Examples:</span>
- <a href="http://lambdadelta.info/static/lddl/Environment/grundlagen_2/l/e/st/eq/landau/n/rt/rp/r/c/8283/t234.ld.html">
+ </li></ul><ul id="examples"><li><span class="emph alpha">Examples:</span><a href="http://lambdadelta.info/static/lddl/Environment/grundlagen_2/l/e/st/eq/landau/n/rt/rp/r/c/8283/t234.ld.html">
Grundlagen's definition "t234"</a>
in λδ version 4.
- </li>
- </ul>
- <div class="spacer">
- <img class="rule" alt="[Spacer]" title="\lambda\delta 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: Wed, 08 Mar 2017 22:36:29 +0100</div>
- </body>
-</html>
+ </li></ul><div class="spacer"><img class="rule" alt="[Spacer]" title="\lambda\delta rainbow rule" src="http://lambdadelta.info/images/rainbow.png"/></div><div class="spacer"><br/></div><div 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 class="spacer"><br/></div><div class="spacer">Last update: Thu, 09 Mar 2017 13:38:16 +0100</div></body></html>
projects / helm.git / blobdiff