X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fwww%2Flambdadelta%2Fnews.html;h=a03e9f461259cf579eb1391f864ad0cc0c9a872f;hb=85ba2f09d81f44b8c75505cc470f1fc5c431b9f2;hp=f526a75a9b98c2190a52a0000630ef62327f24b1;hpb=7f349a4f0175068138a341081d0dd14fd9fe4c4a;p=helm.git diff --git a/helm/www/lambdadelta/news.html b/helm/www/lambdadelta/news.html index f526a75a9..a03e9f461 100644 --- a/helm/www/lambdadelta/news.html +++ b/helm/www/lambdadelta/news.html @@ -19,248 +19,342 @@ [lambdadelta home] -
The Formal System λδ (\lambda\delta)
+
The Formal Systems of the λδ (\lambda\delta) Family
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+ home + news + + specification + +
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documentation + implementation +
- Foreword + + foreword + + milestones - Milestones + + version 2 - Version 2 + (background - core - applications) +
- Version 2 + + version 2 - Background - Core - Applications + + library (static LDDL directory)
- Notice + + citations + + visibility - Visibility + + version 1 - Version 1 + (background - core)(static HELM directory) + version 1 - Version 1 + + helena +
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Milestones [spacer] + +
Milestones [spacer]
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  • + August 2015. + The specification of λδ version 2A1 is concluded. +
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  • + June 2015. + The corrected specification of Landau's "Grundlagen der Analysis" + is validated in a λProlog implementation of λδ version 3. +
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  • + March 2015. + The specification of λδ version 1 is validated by + Matita 0.99.2. +
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  • + February 2015. + "Helena 0.8.2" is updated. -
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    • - December 2012. - The character "_" is removed from the denomination "lambda_delta": -
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      • - The denomination "\lambda\delta" is used in λδ-related texts. -
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      • - The denomination "lambdadelta" is used in λδ-related identifiers. -
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      • - Permanent λδ URL acquired: - http://lambdadelta.info/ - (pointing at this site). -
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  • + January 2015. + The specification of λδ version 1 + is updated with backports from the abandoned specification of λδ version 2. +
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  • + December 2014. + "Helena 0.8.2" is released.
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    • - September 2011. - The denomination "lambda-delta" changes to "lambda_delta": -
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      • - The character "-" is reserved in λδ textual syntax - (recognized by "Helena 0.8.1"). -
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      • - Eventually, the occurrences of the character "-" - will be replaced by "_" in all λδ-related identifiers. -
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      • - In particular, this refactoring involves file names and path names. -
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    • + The corrected specification of Landau's "Grundlagen der Analysis" + is validated in λδ version 3.
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  • - December 2010. - Transient λδ URL acquired: http://lambda-delta.info/ (expires on December 2012). +
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  • + July 2014. + A new version of this site is online. +
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  • + December 2012. + The character "_" is removed from the denomination "lambda_delta":
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    • - November 2010. - "Helena 0.8.1" is released. +
    • + The denomination "\lambda\delta" is used in λδ-related texts.
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    • - September 2009. - "Helena 0.8.0" is released and the - λδ Digital Library - is started. +
    • + The denomination "lambdadelta" is used in λδ-related identifiers.
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    • - September 2008. - This site is online. +
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  • + February 2011. + The specification of λδ version 2 with Coq 7.3.1 is abandoned. +
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  • + December 2010. + Transient λδ URL acquired: http://lambda-delta.info/ (expires on December 2012). +
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  • + September 2008. + This site is online. +
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  • + May 2008. + The specification of λδ version 1 is concluded. +
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  • + March 2008. + The specification of λδ version 2 is started with Coq 7.3.1 (false start). +
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  • + May 2004. + The specification of λδ version 1 + is started with Coq 7.3.1. +
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Visibility [spacer]
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  • - June 2014. - The Google - search for "formal system lambda delta" gives - 5 resources about λδ in the first 6 results. -
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  • - June 2014. - The Yahoo - search for "formal system lambda delta" gives - 4 resources about λδ in the first 5 results. -
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  • + June 2014. + The Google + search for "formal system lambda delta" gives + 5 resources about the λδ family in the first 6 results. +
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+
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  • + June 2014. + The Yahoo + search for "formal system lambda delta" gives + 4 resources about the λδ family in the first 5 results. +
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Last update: Sun, 20 Jul 2014 11:29:55 +0200
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Last update: Sun, 07 Feb 2016 18:51:17 +0100
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