</topitem>
<topitem name="access">
<notice class="alpha" notice="Access:"/>
- <rlink to="static/lddl/">static pages</rlink> (updated <notice class="beta" notice="2012-10"/>),
+ <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/brg_si/grundlagen/l/e/st/eq/landau/n/rt/rp/r/c/8283/t234.ld.html">
+ <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 "basic_rg" λδ),
- <rlink to="static/lddl/crg_si/grundlagen/l/e/st/eq/landau/n/rt/rp/r/c/8283/t234.ld.html">
- Grundlagen's definition "t234"</rlink>
- (in "complete_rg" λδ).
+ in λδ version 4.
</topitem>
<subsection name="helena"><helena-icon/>Helena</subsection>
<body>
- Helena is a λδ processor,
+ Helena is a processor for λδ,
implemented in <link to="http://caml.inria.fr/">Caml</link>
as a part of the <link to="http://helm.cs.unibo.it/">HELM</link> software,
meant for testing the stable features of the calculus as well as the unstable ones.
The Svn revisions containing the stable versions of Helena are indicated next.
</body>
<topitem name="v2">
- <notice class="beta" notice="Version 0.8.2."/>
- In progress.
+ <notice class="gamma" notice="Version 0.8.2 (2014-12)."/>
+ Uses λδ "Version 3" with layer variables as core language.
+ Supports exportation to Grafite
+ (the specification language of <link to="http://matita.cs.unibo.it/">Matita</link>).
+ The overall validation speed of the "Grundlagen der Analysis"
+ increases of 34% with respect to version 0.8.1.
+ [Svn revision: 13005] (<rlink to="download/helena_0.8.2.tar.gz">archived source code</rlink>)
<list><item>
The specification of Landau's "Grundlagen der Analysis"
for <link to="http://matita.cs.unibo.it/">Matita 0.99.2</link>:
</topitem>
<topitem name="v1">
<notice class="beta" notice="Version 0.8.1 (2010-11)."/>
- Uses a subset of λδ "Version 4" as the intermediate language.
+ 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.