--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+
+<page xmlns="http://lambdadelta.info/"
+ description = "applications of lambdadelta version 2"
+ title = "applications of lambdadelta version 2"
+ head = "cic:/matita/lambdadelta/apps_2/ (applications of λδ version 2)"
+>
+ <section>Contents of the Specification</section>
+ <body>This specification comprises a collection of checked
+ applications of λδ version 2.
+ In particular it contains the components below.
+ </body>
+ <news date="MLTT1.">
+ Martin-Löf's Type Theory with one universe
+ using λδ as theory of expressions.
+ </news>
+ <news date="Functional.">
+ The validation algorithm for λδ as implemented in
+ <rlink to="implementation.html#helena">Helena 0.8</rlink>.
+ </news>
+
+ <section>Summary of the Specification</section>
+ <body>Here is a numerical acount of the specification's contents
+ and its timeline.
+ </body>
+ <table name="apps_2_sum"/>
+ <news date="2012 February 24.">
+ The Applications directory is started.
+ </news>
+ <news date="2011 December 20.">
+ The Functional component is started
+ inside the specification of λδ version 2.
+ </news>
+ <news date="2011 December 12.">
+ The MLTT1 component is started.
+ </news>
+
+ <section>Logical Structure of the Specification</section>
+ <body>The source files are grouped in planes and components
+ according to the following table.
+ Each component contains its own notation file.
+ The notation for the relations or functions introduced in each file
+ is shown in parentheses (? are placeholders).
+ </body>
+ <table name="apps_2_src"/>
+
+ <section>Physical Structure of the Specification</section>
+ <body>The source files are grouped in directories,
+ one for each component.
+ </body>
+ <footer/>
+</page>