1 <?xml version="1.0" encoding="UTF-8"?>
2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
3 <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="en-us">
5 <meta http-equiv="Content-Language" content="en-us" />
6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
7 <meta http-equiv="Content-Style-Type" content="text/css" />
8 <meta name="author" content="Ferruccio Guidi" />
9 <meta name="description" content="\lambda\delta home page" />
10 <title>\lambda\delta home page</title>
11 <link rel="stylesheet" type="text/css" href="http://lambdadelta.info/css/ld_web.css" />
12 <link rel="stylesheet" type="text/css" href="http://lambdadelta.info/css/lddl.css" />
13 <link rel="stylesheet" type="text/css" href="http://lambdadelta.info/css/xhtbl.css" />
14 <link rel="shortcut icon" href="http://lambdadelta.info/images/crux_16.ico" />
18 <a href="http://lambdadelta.info/">
19 <img class="icon32" alt="[lambdadelta home]" title="lambdadelta home" src="http://lambdadelta.info/images/crux_32.png" />
22 <div class="head1">The Formal System λδ version 2</div>
24 <img class="rule" alt="[Spacer]" title="lambdadelta rainbow rule" src="http://lambdadelta.info/images/rainbow.png" />
26 <div xmlns:ld="http://lambdadelta.info/" class="spacer">
29 <div xmlns:ld="http://lambdadelta.info/" class="text">
30 <table cellpadding="4" cellspacing="0">
33 <td class="snns component sky">
34 <a href="http://lambdadelta.info/index.html">foreword</a>
36 <td class="snns component magenta">
37 <a href="http://lambdadelta.info/news.html">news</a>
39 <td class="snns component orange">
40 <a href="http://lambdadelta.info/documentation.html">documentation</a>
42 <td class="snns component green">
43 <a href="http://lambdadelta.info/implementation.html">implementation</a>
45 <td class="snnn component green">
48 <td class="snnn component green">
51 <td class="ssnn component green">
59 <td class="snns magenta">
62 <td class="snns orange">
65 <td class="snns green">
66 <a href="http://lambdadelta.info/version_2.html">Version 2</a>
68 <td class="snnn green">
69 <a href="http://lambdadelta.info/ground_2.html">Background</a>
71 <td class="snnn green">
72 <a href="http://lambdadelta.info/basic_2.html">Core</a>
74 <td class="ssnn green">
75 <a href="http://lambdadelta.info/apps_2.html">Applications</a>
82 <td class="nnss magenta">
85 <td class="nnss orange">
88 <td class="snss green">
89 <a href="http://lambdadelta.info/version_1.html">Version 1</a>
91 <td class="snsn green">
94 <td class="snsn green">
97 <td class="sssn green">
105 <div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="foreword">Formats <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b4.png" />
107 <div xmlns:ld="http://lambdadelta.info/" class="text">
108 The formal specification of λδ version 2
109 is available in the following formats:
112 <a href="http://lambdadelta.info/download/lambdadelta_2.tar.gz">lambdadelta_2 for Matita 0.99.2</a>
113 (revised <span class="date">2014-07</span>).
115 <a href="http://lambdadelta.info/implementation.html#bibtex">BibTeX entry</a>
120 <a href="http://lambdadelta.info/ground_2.html">Background</a>,
121 <a href="http://lambdadelta.info/basic_2.html">Core</a>,
122 <a href="http://lambdadelta.info/apps_2.html">Applications</a>.
123 Informational pages on the parts of the specification.
129 <img class="rule" alt="[Spacer]" title="lambdadelta rainbow rule" src="http://lambdadelta.info/images/rainbow.png" />
131 <div xmlns:ld="http://lambdadelta.info/" class="spacer">
134 <div xmlns:ld="http://lambdadelta.info/" class="spacer">
135 <a href="http://validator.w3.org/check?uri=referer">
136 <img class="w3c" alt="[Valid XHTML 1.1]" title="Valid XHTML 1.1" src="http://www.w3.org/Icons/valid-xhtml11-blue" />
138 <a href="http://jigsaw.w3.org/css-validator/check/referer">
139 <img class="w3c" alt="[Valid CSS level 2]" title="Valid CSS level 2" src="http://www.w3.org/Icons/valid-css2-blue" />
141 <a href="http://www.w3.org/XML/">
142 <img class="w3c" alt="[Generated from XML via XSL]" title="Generated from XML via XSL" src="http://lambdadelta.info/images/xml_xsl2.png" />
144 <a href="http://www.w3.org/Graphics/PNG/">
145 <img class="w3c" alt="[PNG used here]" title="PNG used here" src="http://lambdadelta.info/images/PNGnow2.png" />
147 <a href="http://www.anybrowser.org/campaign/">
148 <img class="w3c" alt="[Viewable with any browser]" title="Viewable with any browser" src="http://www.anybrowser.org/campaign/bvgraphics/abtfile.png" />
151 <div xmlns:ld="http://lambdadelta.info/" class="spacer">
154 <div xmlns:ld="http://lambdadelta.info/" class="spacer">Last update: Sun, 13 Jul 2014 15:59:00 +0200</div>