X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fwww%2Flambdadelta%2Fimplementation.html;h=7bf00f7bccb11bf30e90cb836221244e3e393bbf;hb=286f7302d857a8a6674e1cf66fa1b1a1527dd1ac;hp=5d255e3fe8ff6ec47af66c0dff727f49530eed5f;hpb=25a789c7374bff86f42673e330b8b435fa3b7d68;p=helm.git diff --git a/helm/www/lambdadelta/implementation.html b/helm/www/lambdadelta/implementation.html index 5d255e3fe..7bf00f7bc 100644 --- a/helm/www/lambdadelta/implementation.html +++ b/helm/www/lambdadelta/implementation.html @@ -16,205 +16,215 @@
- [lambdadelta home] + [\lambda\delta home]
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The Formal System λδ (\lambda\delta)
+
The Formal Systems of the λδ (\lambda\delta) Family
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+

- - - - - - - - - - - - - - - - + - + + - -
+ home + news - documentation + + specification - implementation + +
(specifications - library - Helena)
- Foreword + +
- Milestones + + documentation - Version 2 + + implementation - Version 2 + +
(Background - Core - Applications)
- Notice + + foreword - Visibility + + milestones - Version 1 + + version 2 - Version 1 + (background - core - applications) +
+ + version 2 + + helena +
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- -
Computer-checked formal specifications [spacer] -
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- λδ comes in several versions listed in the following table, - which includes the major milestones: -
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versionnamedeveloped withstartedannouncedreleaseddismissed
2 - basic_2 + + citations - Matita 0.99.2 + + visibility April 2011July 2014Planned in 2014Not planned yet
1 - basic_1 + + version 1 - Coq 7.3.1 + (background - core)(static HELM directory) + version 1 May 2004January 2006November 2006May 2008 + library + (static LDDL directory)
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Tools [spacer] +
Tools [spacer]
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- [Crux logo] λδ Digital Library (LDDL)
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- The λδ Digital Library is part of HELM - and contains resources expressed in λδ. +
+ + [Open Symbolic Notation logo] + Open Symbolic Notation
+
+ Open Symbolic Notation, abbreviated OSN, + is an easy and flexible data-interchange text format + intended for the lightweight representation of + generic abstract syntax trees in the domain of formal systems. + Additional information will appear soon.
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  • - Contents: - Landau's "Grundlagen der Analysis" - (from Jutting's specification in Automath). -
    • -
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+
[Helena logo] Helena
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- Helena is a λδ processor, +
+ Helena is a processor for the systems of the λδ family, implemented in Caml as a part of the HELM software, - meant for testing the stable features of the calculus as well as the unstable ones. + meant for testing both their stable and unstable features.
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The processor source code is available in the directory /trunk/helm/software/helena/ of the HELM Svn repository. The Svn revisions containing the stable versions of Helena are indicated next.
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    +
    • - Version 0.8.2. - In progress. -
      • + Version 0.8.3 (2015-12). + Supports exportation to λProlog + (two formats for ELPI, + and two formats for Teyjus). + Employs optimized conditional compilation through + camlp5 code preprocessor (pa_macro) + to reduce a performance loss, which is expected to disappear + by employing a different code preprocessor. + Overall validation speed of the "Grundlagen der Analysis" with respect to version 0.8.2: + +3% with optimized compilation, +5% without optimized compilation. + [Svn revision: 13108] (archived source code). +
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      • + 2015-06. + The corrected specification of Landau's "Grundlagen der Analysis" + is successfully validated in a λProlog implementation of λδ version 3. +
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      +
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      • - Version 0.8.1 (2010-11). - Exploits a subset of "complete_rg" λδ as the intermediate language. + Version 0.8.2 (2015-02). + Uses λδ version 3 with layer variables as core language. + Supports exportation to Gallina + (the specification language of Coq), + and to Grafite + (the specification language of Matita). + The overall validation speed of the "Grundlagen der Analysis" + increases of 34% with respect to version 0.8.1. + Documentation (J3a). + [Svn revision: 13035] (archived source code). +
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        • + The specification of Landau's "Grundlagen der Analysis" + for Coq 8: + grundlagen_2.v + (revised 2015-02). +
          • +
        • + The specification of Landau's "Grundlagen der Analysis" + for Matita 0.99.2: + grundlagen_2.tar.bz2 + (revised 2015-02). +
          • +
        • + The corrected specification of Landau's "Grundlagen der Analysis": + grundlagen_2.aut + (revised 2014-12). +
          • +
        • + 2015-02. + The translated specification of Landau's "Grundlagen der Analysis" + is successfully validated in CC by Coq 8.4.3. +
          • +
        • + 2014-12. + The corrected specification of Landau's "Grundlagen der Analysis" + is successfully validated in λδ version 3. +
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        • +
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      • + Version 0.8.1 (2010-11). + Uses a subset of λδ version 4 as intermediate language. Features importation from ".hln" files containing λδ textual syntax. The overall validation speed of the "Grundlagen der Analysis" increases of 22% with respect to version 0.8.0. - [Svn revision: 11032] (archived source code) + [Svn revision: 11032] (archived source code). -
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        • - Version 0.8.0 (2009-09). - Supports "basic_rg" λδ with naive implementation of impredicative sort inclusion. + Version 0.8.0 (2009-09). + Supports λδ version 2 with naive implementation of impredicative sort inclusion. Features importation from Automath and exportation to XML. - Documentation (R4). + Documentation (R2a). [Svn revision: 10304] (archived source code).
          • @@ -222,23 +232,52 @@ for editing ".aut" files (containing Automath textual syntax): automath.sl - (revised 2008-07). + (revised 2008-07).
          • - 2009-09. + 2009-09. Jutting's specification of Landau's "Grundlagen der Analysis" enters λδ Digital Library.
          • - 2009-06. + 2009-06. Jutting's specification of Landau's "Grundlagen der Analysis" is successfully processed, enabling sort inclusion.
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          • +
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        + [\lambda\delta digital library logo] λδ Digital Library (LDDL)
        +
        + The λδ Digital Library is part of HELM + and contains resources expressed in the systems of the λδ family. +
        +
          +
        • + Contents: + Landau's "Grundlagen der Analysis" + (from Jutting's specification in Automath). +
          • +
        + -
        - [Spacer] + +
        + [Spacer]

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        -
        Last update: Wed, 06 Aug 2014 20:50:29 +0200
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        Last update: Fri, 08 Apr 2016 22:51:19 +0200
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