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">cic:/BOLOGNA/lambdadelta/ground_1/ (background for λδ version 1)</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 capitalize italic sky">
34 <a href="http://lambdadelta.info/index.html">home</a>
36 <td class="snns capitalize italic magenta">
37 <a href="http://lambdadelta.info/news.html">news</a>
39 <td class="snns capitalize italic white">
40 <a href="http://lambdadelta.info/specification.html">specification</a>
42 <td class="snnn capitalize italic white">
45 <td class="snnn capitalize italic white">
48 <td class="snns capitalize italic orange">
49 <a href="http://lambdadelta.info/documentation.html">documentation</a>
51 <td class="snns capitalize italic green">
52 <a href="http://lambdadelta.info/implementation.html">implementation</a>
54 <td class="ssnn capitalize italic green">
59 <td class="snns capitalize sky">
60 <a href="http://lambdadelta.info/index.html#foreword">foreword</a>
62 <td class="snns capitalize magenta">
63 <a href="http://lambdadelta.info/news.html#milestones">milestones</a>
65 <td class="snns capitalize white">
66 <a href="http://lambdadelta.info/specification.html#v2">version 2</a>
68 <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>
69 <td class="snnn capitalize white">
72 <td class="snns capitalize orange">
73 <a href="http://lambdadelta.info/documentation.html#v2">version 2</a>
75 <td class="snns capitalize green">
76 <a href="http://lambdadelta.info/implementation.html#lddl">library</a>
78 <td class="ssnn capitalize green">(<a href="http://lambdadelta.info/static/lddl/">static LDDL directory</a>)</td>
81 <td class="snss capitalize sky">
82 <a href="http://lambdadelta.info/index.html#citations">citations</a>
84 <td class="snss capitalize magenta">
85 <a href="http://lambdadelta.info/news.html#visibility">visibility</a>
87 <td class="snss capitalize white">
88 <a href="http://lambdadelta.info/specification.html#v1">version 1</a>
90 <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>
91 <td class="snsn capitalize white">(<a href="http://lambdadelta.info/static/matita/lambdadelta/">static HELM directory</a>)</td>
92 <td class="snss capitalize orange">
93 <a href="http://lambdadelta.info/documentation.html#v1">version 1</a>
95 <td class="snss capitalize green">
96 <a href="http://lambdadelta.info/implementation.html#helena">helena</a>
98 <td class="sssn capitalize green">
105 <div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="summary">Summary of the Specification <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b6.png" />
107 <div xmlns:ld="http://lambdadelta.info/" class="text">Here is a numerical account of the specification's contents
110 <div xmlns:ld="http://lambdadelta.info/" class="text">
111 <table cellpadding="4" cellspacing="0">
114 <td class="snns capitalize italic gray">category</td>
115 <td class="snns italic gray">objects</td>
116 <td class="snnn right italic gray">
119 <td class="snnn italic gray">
122 <td class="snnn right italic gray">
125 <td class="snnn italic gray">
128 <td class="ssnn right italic gray">
133 <td class="snns capitalize italic cyan">sizes</td>
134 <td class="snns italic cyan">files</td>
135 <td class="snnn right italic cyan">10</td>
136 <td class="snns italic cyan">characters</td>
137 <td class="snnn right italic cyan">15063</td>
138 <td class="snns italic cyan">nodes</td>
139 <td class="ssnn right italic cyan">14881</td>
142 <td class="snns capitalize italic green">propositions</td>
143 <td class="snns italic green">theorems</td>
144 <td class="snnn right italic green">0</td>
145 <td class="snns italic green">lemmas</td>
146 <td class="snnn right italic green">50</td>
147 <td class="snns italic green">total</td>
148 <td class="ssnn right italic green">50</td>
151 <td class="snss capitalize italic yellow">concepts</td>
152 <td class="snss italic yellow">declared</td>
153 <td class="snsn right italic yellow">24</td>
154 <td class="snss italic yellow">defined</td>
155 <td class="snsn right italic yellow">4</td>
156 <td class="snss italic yellow">total</td>
157 <td class="sssn right italic yellow">28</td>
162 <ul xmlns:ld="http://lambdadelta.info/">
164 <span class="emph delta">January 2015.</span>
165 Update with backports from the abandoned specification of λδ version 2.
168 <ul xmlns:ld="http://lambdadelta.info/">
170 <span class="emph delta">May 2008.</span>
171 Specification is concluded.
174 <ul xmlns:ld="http://lambdadelta.info/">
176 <span class="emph alpha">May 2004.</span>
177 Specification starts.
180 <div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="structure">Logical Structure of the Specification <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b6.png" />
182 <div xmlns:ld="http://lambdadelta.info/" class="text">This table reports the specification's components and their planes.
184 <div xmlns:ld="http://lambdadelta.info/" class="text">
185 <table cellpadding="4" cellspacing="0">
188 <td class="snns top capitalize italic gray">component</td>
189 <td class="snns top italic gray">plane</td>
190 <td class="snns top gray">files</td>
191 <td class="snnn top gray">
194 <td class="snnn top gray">
197 <td class="ssnn top gray">
202 <td class="snns top capitalize italic yellow">extensions to the library</td>
203 <td class="snns top italic yellow" />
204 <td class="snns top yellow">
205 <a href="http://lambdadelta.info/static/coq/lambdadelta/ground_1/bg_hints.txt">bg_hints</a>
207 <td class="snnn top yellow">
208 <a href="http://lambdadelta.info/static/coq/lambdadelta/ground_1/bg_blt.txt">bg_blt</a>
210 <td class="snnn top yellow">
211 <a href="http://lambdadelta.info/static/coq/lambdadelta/ground_1/bg_plist.txt">bg_plist</a>
213 <td class="ssnn top yellow">
218 <td class="snns top capitalize italic orange">generated logical decomposables</td>
219 <td class="snns top italic orange" />
220 <td class="snns top orange">
221 <a href="http://lambdadelta.info/static/coq/lambdadelta/ground_1/bg_types.txt">bg_types</a>
223 <td class="snnn top orange">
224 <a href="http://lambdadelta.info/static/coq/lambdadelta/ground_1/bg_props.txt">bg_props</a>
226 <td class="snnn top orange">
229 <td class="ssnn top orange">
234 <td class="snss top capitalize italic red">preamble</td>
235 <td class="snss top italic red" />
236 <td class="snss top red">
237 <a href="http://lambdadelta.info/static/coq/lambdadelta/ground_1/bg_require.txt">bg_require</a>
239 <td class="snsn top red">
240 <a href="http://lambdadelta.info/static/coq/lambdadelta/ground_1/bg_rewrite.txt">bg_rewrite</a>
242 <td class="snsn top red">
243 <a href="http://lambdadelta.info/static/coq/lambdadelta/ground_1/bg_tactics.txt">bg_tactics</a>
245 <td class="sssn top red">
246 <a href="http://lambdadelta.info/static/coq/lambdadelta/ground_1/bg_subst.txt">bg_subst</a>
253 <img class="rule" alt="[Spacer]" title="lambdadelta rainbow rule" src="http://lambdadelta.info/images/rainbow.png" />
255 <div xmlns:ld="http://lambdadelta.info/" class="spacer">
258 <div xmlns:ld="http://lambdadelta.info/" class="spacer">
259 <a href="http://validator.w3.org/check?uri=referer">
260 <img class="w3c" alt="[Valid XHTML 1.1]" title="Valid XHTML 1.1" src="http://www.w3.org/Icons/valid-xhtml11-blue" />
262 <a href="http://jigsaw.w3.org/css-validator/check/referer">
263 <img class="w3c" alt="[Valid CSS level 2]" title="Valid CSS level 2" src="http://www.w3.org/Icons/valid-css2-blue" />
265 <a href="http://www.w3.org/XML/">
266 <img class="w3c" alt="[Generated from XML via XSL]" title="Generated from XML via XSL" src="http://lambdadelta.info/images/xml_xsl2.png" />
268 <a href="http://www.w3.org/Graphics/PNG/">
269 <img class="w3c" alt="[PNG used here]" title="PNG used here" src="http://lambdadelta.info/images/PNGnow2.png" />
271 <a href="http://www.anybrowser.org/campaign/">
272 <img class="w3c" alt="[Viewable with any browser]" title="Viewable with any browser" src="http://www.anybrowser.org/campaign/bvgraphics/abtfile.png" />
275 <div xmlns:ld="http://lambdadelta.info/" class="spacer">
278 <div xmlns:ld="http://lambdadelta.info/" class="spacer">Last update: Sun, 06 Sep 2015 21:40:58 +0200</div>