<page xmlns="http://lambdadelta.info/"
description = "\lambda\delta home page"
title = "\lambda\delta home page"
+ logo = "crux"
head = "The Formal Systems of the λδ (\lambda\delta) Family"
>
<sitemap name="sitemap"/>
<section5 name="tools">Tools</section5>
- <subsection name="lddl"><crux-icon/>λδ Digital Library (LDDL)</subsection>
+ <subsection name="osn"><img logo="osn"/>Open Symbolic Notation</subsection>
+
<body>
- The λδ Digital Library is part of <link to="http://helm.cs.unibo.it/">HELM</link>
- and contains resources expressed in the systems of the λδ family.
+ 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 <rlink to="osn/">OSN web site</rlink>.
</body>
- <topitem name="contents">
- <notice class="alpha" notice="Contents:"/>
- Landau's "Grundlagen der Analysis"
- (from Jutting's specification in <link to="http://www.win.tue.nl/automath/">Automath</link>).
- </topitem>
- <topitem name="access">
- <notice class="alpha" notice="Access:"/>
- <rlink to="static/lddl/">static pages</rlink> (updated <notice class="gamma" notice="2015-01"/>),
- <rlink to="download/lddl.tar.bz2">data set</rlink> (updated <notice class="gamma" notice="2014-12"/>),
- <rlink to="xml/">HELM server URL</rlink> (updated <notice class="gamma" notice="2014-12"/>).
- </topitem>
- <topitem name="examples">
- <notice class="alpha" notice="Examples:"/>
- <rlink to="static/lddl/Environment/grundlagen_2/l/e/st/eq/landau/n/rt/rp/r/c/8283/t234.ld.html">
- Grundlagen's definition "t234"</rlink>
- in λδ version 4.
- </topitem>
- <subsection name="helena"><helena-icon/>Helena</subsection>
+
+ <subsection name="helena"><img logo="helena"/>Helena</subsection>
<body>
Helena is a processor for the systems of the λδ family,
</item></list>
</topitem>
+ <subsection name="lddl"><img logo="lddl"/>λδ Digital Library (LDDL)</subsection>
+
+ <body>
+ The λδ Digital Library is part of <link to="http://helm.cs.unibo.it/">HELM</link>
+ and contains resources expressed in the systems of the λδ family.
+ </body>
+ <topitem name="contents">
+ <notice class="alpha" notice="Contents:"/>
+ Landau's "Grundlagen der Analysis"
+ (from Jutting's specification in <link to="http://www.win.tue.nl/automath/">Automath</link>).
+ </topitem>
+ <topitem name="access">
+ <notice class="alpha" notice="Access:"/>
+ <rlink to="static/lddl/">static pages</rlink> (updated <notice class="gamma" notice="2015-01"/>),
+ <rlink to="download/lddl.tar.bz2">data set</rlink> (updated <notice class="gamma" notice="2014-12"/>),
+ <rlink to="xml/">HELM server URL</rlink> (updated <notice class="gamma" notice="2014-12"/>).
+ </topitem>
+ <topitem name="examples">
+ <notice class="alpha" notice="Examples:"/>
+ <rlink to="static/lddl/Environment/grundlagen_2/l/e/st/eq/landau/n/rt/rp/r/c/8283/t234.ld.html">
+ Grundlagen's definition "t234"</rlink>
+ in λδ version 4.
+ </topitem>
+
<footer/>
</page>
projects / helm.git / blobdiff