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16 <h1>The Formal System λδ (lambda_delta)<br>
18 <h2>Towards the unification of terms, types, environments and contexts</h2>
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28 <li><a href="index.html">Foreword</a></li>
31 <li><a href="news.html">News</a></li>
37 <li><a href="implementation.html">Resources</a><br>
41 <td style="vertical-align: top; text-align: left;">
42 <h3 style="text-align: right;">Documentation <img
43 style="width: 37px; height: 37px;" alt="[Butterfly]" title="Butterfly"
44 src="download/b5.png"></h3>
45 Currently the <span style="font-weight: bold;">main source of
46 information</span> on λδ (version 1) is <span
47 style="font-weight: bold;">Resource
49 A <span style="font-weight: bold;">summary</span> of basic λδ (version
50 1) is found in <span style="font-weight: bold;">Resource 1.5</span>
52 <h3><img style="width: 32px; height: 32px;"
53 alt="[Basic lambda_delta Logo]" title="Basic lambda_delta"
54 src="download/basic_32.png"> Basic λδ version 2 (in progress):</h3>
55 <table style="text-align: left; width: 100%;" border="0"
56 cellpadding="2" cellspacing="2">
59 <td style="vertical-align: top;">2.1.<br>
61 <td style="vertical-align: top;">F. Guidi: <a
62 href="download/cie_2010.pdf"><span style="font-style: italic;">An
64 Validation Procedure for the Formal System </span><span
65 style="font-style: italic;">λδ</span></a><span
66 style="font-style: italic;"></span>
67 (<span style="font-weight: bold;">2010-07</span>). In <span
68 style="font-style: italic;">CiE 2010 Local Proceedings</span>.
69 University of Azores, CMATI Booklet, pp. 204-213. <a
70 href="implementation.html#bibtex">BibTeX entry</a>.<br>
75 <td style="vertical-align: top;">2.2.<br>
77 <td style="vertical-align: top;"> <a name="ublcs-2009-16"></a>F.
90 href="http://www.cs.unibo.it/pub/TR/UBLCS/ABSTRACTS/2009.bib?ncstrl.cabernet//BOLOGNA-UBLCS-2009-16"><span
91 style="font-style: italic;">Landau's
92 "Grundlagen der Analysis" from Automath to lambda-delta</span></a> (<span
93 style="font-weight: bold;">2009-09)</span>. University of
94 Bologna, technical report UBLCS-2009-16. <a
95 href="implementation.html#bibtex">BibTeX entry</a>.<br>
100 <td style="vertical-align: top;">2.3.<br>
102 <td style="vertical-align: top;">F. Guidi: <a
103 href="download/ld_talk_7s.pdf"><span style="font-style: italic;">An
105 Validation Procedure for the Formal System λδ</span></a> (<span
106 style="font-weight: bold;">2010-07</span>). Presentation
115 <td style="vertical-align: top;">2.4.<br>
117 <td style="vertical-align: top;">F. Guidi: <a
118 href="download/ld_talk_6s.pdf"><span style="font-style: italic;">A
120 for the Formal System λδ</span></a> (revised <span
121 style="font-weight: bold;">2010-02</span>). Presentation
131 <h3><img style="width: 32px; height: 32px;"
132 alt="[Basic lambda_delta Logo]" title="Basic lambda_delta"
133 src="download/basic_32.png"> Basic λδ version 1 (closed):</h3>
134 <table style="text-align: left; width: 100%;" border="0"
135 cellpadding="2" cellspacing="2">
138 <td style="vertical-align: top;">1.1.<br>
140 <td style="vertical-align: top;"><a name="tocl1"></a>F.
141 Guidi: <a href="http://doi.acm.org/10.1145/1614431.1614436"><span
142 style="font-style: italic;">The Formal System λδ</span></a> (<span
143 style="font-weight: bold;">2009-10</span>). In ACM ToCL 11(1), Article
144 No. 5 (<a href="http://tocl.acm.org/accepted/335guidi.pdf">accepted</a>
145 <span style="font-weight: bold;">2008-07</span>). CoRR
146 identifier <a href="http://arxiv.org/abs/cs/0611040"><span
147 style="font-style: italic;"></span>cs/0611040</a> [v10] (revised <span
148 style="font-weight: bold;">2008-09</span>). <a
149 href="implementation.html#bibtex">BibTeX
155 <td style="vertical-align: top;">1.2.<br>
157 <td style="vertical-align: top;">F. Guidi: <a
158 href="download/cie_2007.pdf"><span style="font-style: italic;">Lambda
159 Types on the Lambda Calculus with
160 Abbreviations</span></a> (<span style="font-weight: bold;">2007-06</span>).
176 <span style="font-style: italic;">CiE 2007 Local Proceedings</span>.
197 <a href="implementation.html#bibtex">BibTeX
203 <td style="vertical-align: top;">1.3.<br>
205 <td style="vertical-align: top;">F. Guidi: <a
206 href="http://www.cs.unibo.it/pub/TR/UBLCS/ABSTRACTS/2006.bib?ncstrl.cabernet//BOLOGNA-UBLCS-2006-25"><span
207 style="font-style: italic;">Lambda Types on the Lambda Calculus with
208 Abbreviations</span></a> (<span style="font-weight: bold;">2006-11</span>).
230 <a href="implementation.html#bibtex">BibTeX
236 <td style="vertical-align: top;">1.4.<br>
238 <td style="vertical-align: top;">F. Guidi: <a
239 style="font-style: italic;"
240 href="http://www.cs.unibo.it/pub/TR/UBLCS/ABSTRACTS/2006.bib?ncstrl.cabernet//BOLOGNA-UBLCS-2006-01">Lambda
250 Specification</a> (<span style="font-weight: bold;">2006-01</span>).
252 Bologna, technical report UBLCS-2006-01. <a
253 href="implementation.html#bibtex">BibTeX entry</a>.<br>
258 <td style="vertical-align: top;">1.5.<br>
260 <td style="vertical-align: top;">F. Guidi: <a
261 style="font-style: italic;" href="download/ld_talk_5s.pdf">The
263 System lambda-delta</a>
264 (<span style="font-weight: bold;">2008-10</span>). Presentation at
265 "Advances in Constructive Topology and Logical Foundations" (slides).<br>
270 <td style="vertical-align: top;">1.6.<br>
272 <td style="vertical-align: top;">F. Guidi: <a
273 href="download/ld_talk_4s.pdf"><span style="font-style: italic;">Towards
274 the Unification of Terms, Types
275 and Contexts</span></a> (<span style="font-weight: bold;">2008-03</span>).
285 <td style="vertical-align: top;">1.7.<br>
287 <td style="vertical-align: top;">F. Guidi: <a
288 href="download/ld_talk_3s.pdf"><span style="font-style: italic;">Lambda
289 Types on the Lambda Calculus with
290 Abbreviations</span></a> (<span style="font-weight: bold;">2007-06</span>).
300 <td style="vertical-align: top;">1.8.<br>
302 <td style="vertical-align: top;">F. Guidi: <a
303 href="download/ld_talk_2s.pdf"><span style="font-style: italic;">Lambda
304 Tipi sul Lambda Calcolo con
305 Abbreviazioni</span></a> (<span style="font-weight: bold;">2007-01</span>).
321 <span style="font-weight: bold;">in
327 <td style="vertical-align: top;">1.9.<br>
329 <td style="vertical-align: top;"><a name="bologna1"></a>F.
330 Guidi: <a href="download/ld_talk_1s.pdf"><span
331 style="font-style: italic;">Lambda Tipi sul Lambda Calcolo con
332 Abbreviazioni: una Specifica Certificata</span></a> (<span
333 style="font-weight: bold;">2005-12</span>). Presentation at
334 the University of Bologna (slides <span style="font-weight: bold;">in
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358 Last update 2012-02-21 by <a href="http://www.cs.unibo.it/%7Efguidi/">Ferruccio