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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:</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.
88 href="http://www.cs.unibo.it/pub/TR/UBLCS/ABSTRACTS/2009.bib?ncstrl.cabernet//BOLOGNA-UBLCS-2009-16"><span
89 style="font-style: italic;">Landau's
90 "Grundlagen der Analysis" from Automath to lambda_delta</span></a> (<span
91 style="font-weight: bold;">2009-09)</span>. University of
92 Bologna, technical report UBLCS-2009-16. <a
93 href="implementation.html#bibtex">BibTeX entry</a>.<br>
98 <td style="vertical-align: top;">2.3.<br>
100 <td style="vertical-align: top;">F. Guidi: <a
101 href="download/ld_talk_7s.pdf"><span style="font-style: italic;">An
103 Validation Procedure for the Formal System λδ</span></a> (<span
104 style="font-weight: bold;">2010-07</span>). Presentation
113 <td style="vertical-align: top;">2.4.<br>
115 <td style="vertical-align: top;">F. Guidi: <a
116 href="download/ld_talk_6s.pdf"><span style="font-style: italic;">A
118 for the Formal System λδ</span></a> (revised <span
119 style="font-weight: bold;">2010-02</span>). Presentation
129 <h3><img style="width: 32px; height: 32px;"
130 alt="[Basic lambda_delta Logo]" title="Basic lambda_delta"
131 src="download/basic_32.png"> Basic λδ version 1:</h3>
132 <table style="text-align: left; width: 100%;" border="0"
133 cellpadding="2" cellspacing="2">
136 <td style="vertical-align: top;">1.1.<br>
138 <td style="vertical-align: top;"><a name="tocl1"></a>F.
139 Guidi: <a href="http://doi.acm.org/10.1145/1614431.1614436"><span
140 style="font-style: italic;">The Formal System λδ</span></a> (<span
141 style="font-weight: bold;">2009-10</span>). In ACM ToCL 11(1), Article
142 No. 5 (<a href="http://tocl.acm.org/accepted/335guidi.pdf">accepted</a>
143 <span style="font-weight: bold;">2008-07</span>). CoRR
144 identifier <a href="http://arxiv.org/abs/cs/0611040"><span
145 style="font-style: italic;"></span>cs/0611040</a> [v10] (revised <span
146 style="font-weight: bold;">2008-09</span>). <a
147 href="implementation.html#bibtex">BibTeX
153 <td style="vertical-align: top;">1.2.<br>
155 <td style="vertical-align: top;">F. Guidi: <a
156 href="http://www.cs.unibo.it/%7Efguidi/download/cie_2007.pdf"><span
157 style="font-style: italic;">Lambda Types on the Lambda Calculus with
158 Abbreviations</span></a> (<span style="font-weight: bold;">2007-06</span>).
172 <span style="font-style: italic;">CiE 2007 Local Proceedings</span>.
191 <a href="implementation.html#bibtex">BibTeX
197 <td style="vertical-align: top;">1.3.<br>
199 <td style="vertical-align: top;">F. Guidi: <a
200 href="http://www.cs.unibo.it/pub/TR/UBLCS/ABSTRACTS/2006.bib?ncstrl.cabernet//BOLOGNA-UBLCS-2006-25"><span
201 style="font-style: italic;">Lambda Types on the Lambda Calculus with
202 Abbreviations</span></a> (<span style="font-weight: bold;">2006-11</span>).
222 <a href="implementation.html#bibtex">BibTeX
228 <td style="vertical-align: top;">1.4.<br>
230 <td style="vertical-align: top;">F. Guidi: <a
231 style="font-style: italic;"
232 href="http://www.cs.unibo.it/pub/TR/UBLCS/ABSTRACTS/2006.bib?ncstrl.cabernet//BOLOGNA-UBLCS-2006-01">Lambda
242 Specification</a> (<span style="font-weight: bold;">2006-01</span>).
244 Bologna, technical report UBLCS-2006-01. <a
245 href="implementation.html#bibtex">BibTeX entry</a>.<br>
250 <td style="vertical-align: top;">1.5.<br>
252 <td style="vertical-align: top;">F. Guidi: <a
253 style="font-style: italic;" href="download/ld_talk_5s.pdf">The
255 System lambda-delta</a>
256 (<span style="font-weight: bold;">2008-10</span>). Presentation at
257 "Advances in Constructive Topology and Logical Foundations" (slides).<br>
262 <td style="vertical-align: top;">1.6.<br>
264 <td style="vertical-align: top;">F. Guidi: <a
265 href="http://www.cs.unibo.it/%7Efguidi/download/ld-talk-4.pdf"><span
266 style="font-style: italic;">Towards the Unification of Terms, Types
267 and Contexts</span></a> (<span style="font-weight: bold;">2008-03</span>).
277 <td style="vertical-align: top;">1.7.<br>
279 <td style="vertical-align: top;">F. Guidi: <a
280 href="http://www.cs.unibo.it/%7Efguidi/download/ld-talk-3.pdf"><span
281 style="font-style: italic;">Lambda Types on the Lambda Calculus with
282 Abbreviations</span></a> (<span style="font-weight: bold;">2007-06</span>).
292 <td style="vertical-align: top;">1.8.<br>
294 <td style="vertical-align: top;">F. Guidi: <a
295 href="http://www.cs.unibo.it/%7Efguidi/download/ld-talk-2.pdf"><span
296 style="font-style: italic;">Lambda Tipi sul Lambda Calcolo con
297 Abbreviazioni</span></a> (<span style="font-weight: bold;">2007-01</span>).
311 <span style="font-weight: bold;">in
317 <td style="vertical-align: top;">1.9.<br>
319 <td style="vertical-align: top;"><a name="bologna1"></a>F.
321 href="http://www.cs.unibo.it/%7Efguidi/download/ld-talk-1.pdf"><span
322 style="font-style: italic;">Lambda Tipi sul Lambda Calcolo con
323 Abbreviazioni: una Specifica Certificata</span></a> (<span
324 style="font-weight: bold;">2005-12</span>). Presentation at
325 the University of Bologna (slides <span style="font-weight: bold;">in
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349 Last update 2010-12-14 by <a href="http://www.cs.unibo.it/%7Efguidi/">Ferruccio