\lambda\delta home page

X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fwww%2Flambdadelta%2Fnews.html;h=2d31834afb4382f012d285f210af1caa84a638ed;hb=5e5f9111df82a2f84f2b560ab59392cf0e0906c0;hp=d4d07a06a049dfa45bb94d492f12fb875954c7ed;hpb=e866d78af74246133f5a14cb711a62af39308dee;p=helm.git diff --git a/helm/www/lambdadelta/news.html b/helm/www/lambdadelta/news.html index d4d07a06a..2d31834af 100644 --- a/helm/www/lambdadelta/news.html +++ b/helm/www/lambdadelta/news.html @@ -1,97 +1,385 @@ -\lambda\delta home page

$[\lambda\delta home]$

The Formal Systems of the Î»Î´ (\lambda\delta) Family

$\lambda\delta rainbow rule$

home	news	specification			documentation	implementation
foreword	milestones	version 2	(background - core - applications)		version 2	helena	Open Symbolic Notation (OSN)
citations	visibility	version 1	(background - core)	(static HELM directory)	version 1	library	(static LDDL directory)

Milestones $\lambda\delta butterfly$

December 2015.Second journal paper on Î»Î´ + + + + + + + + \lambda\delta home page + + + + + + +

+ + $[\lambda\delta home]$ + +

The Formal Systems of the Î»Î´ (\lambda\delta) Family

+ $\lambda\delta rainbow rule$ +

+
+

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+ home +	+ news +	+ specification +	+ +	+ +	+ documentation +	+ implementation +	+ +
+ foreword +	+ milestones +	+ version 2 +	(background - core - applications)	+ +	+ version 2 +	+ helena +	+ Open Symbolic Notation (OSN) +
+ citations +	+ visibility +	+ version 1 +	(background - core)	(static HELM directory)	+ version 1 +	+ library +	(static LDDL directory)

+ +

Milestones $\lambda\delta butterfly$ +

+ December 2015. + Second journal paper on Î»Î´ accepted for publication. -

December 2015."Helena 0.8.3" is released. -

August 2015. +

+ December 2015. + "Helena 0.8.3" is released. +

+ August 2015. The specification of Î»Î´ version 2A1 is concluded. -

June 2015. +

+ June 2015. The corrected specification of Landau's "Grundlagen der Analysis" is validated in a Î»Prolog implementation of Î»Î´ version 3. -

March 2015. +

+ March 2015. The specification of Î»Î´ version 1 is validated by Matita 0.99.2. -

February 2015."Helena 0.8.2" is updated. -
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+
- + February 2015. + "Helena 0.8.2" is updated. +
  - The translated specification of Landau's "Grundlagen der Analysis" is validated in CC by Coq 8.4.3. -
- January 2015. +
+

+ January 2015. The specification of Î»Î´ version 1 is updated with backports from the abandoned specification of Î»Î´ version 2. -

December 2014."Helena 0.8.2" is released. -
- +
+
- + December 2014. + "Helena 0.8.2" is released. +
  - The corrected specification of Landau's "Grundlagen der Analysis" is validated in Î»Î´ version 3. -
- October 2014.Î»Î´ version 2A1 +
+

+ October 2014. + Î»Î´ version 2A1 is released. -

July 2014. +

+ July 2014. A new version of this site is online. -

June 2014.First communication on Î»Î´ version 2.

December 2012. +

+ June 2014. + First communication on Î»Î´ version 2. +

+ December 2012. The character "_" is removed from the denomination "lambda_delta": -
- +
  - The denomination "\lambda\delta" is used in Î»Î´-related texts. -
  - +
  - The denomination "lambdadelta" is used in Î»Î´-related identifiers. -
  - +
  - Permanent Î»Î´ URL acquired: http://lambdadelta.info/ (pointing at this site). -
- September 2011. +
+

+ September 2011. The denomination "lambda-delta" changes to "lambda_delta": -
- +
  - The character "-" is reserved in Î»Î´ textual syntax (recognized by "Helena 0.8.1"). -
  - +
  - Eventually, the occurrences of the character "-" will be replaced by "_" in all Î»Î´-related identifiers. -
  - +
  - In particular, this refactoring involves file names and path names. -
- April 2011. +
+

+ April 2011. The specification of Î»Î´ version 2 and related topics is restarted in Matita 0.5. -

February 2011. +

+ February 2011. The specification of Î»Î´ version 2 with Coq 7.3.1 is abandoned. -

December 2010. +

+ December 2010. Transient Î»Î´ URL acquired: http://lambda-delta.info/ (expires on December 2012). -

November 2010."Helena 0.8.1" is released. -

September 2009."Helena 0.8.0" is released and the +

+ November 2010. + "Helena 0.8.1" is released. +

+ September 2009. + "Helena 0.8.0" is released and the Î»Î´ Digital Library is started. -

June 2009. +

+ June 2009. "Helena", a validator for Î»Î´ version 2, is available as a part of the HELM software. -

September 2008. +

+ September 2008. This site is online. -

July 2008.First journal paper on Î»Î´ +

+ July 2008. + First journal paper on Î»Î´ accepted for publication. -

July 2008. +

+ July 2008. First procedural reconstruction for Matita 0.5 of the Î»Î´ version 1 for Coq 7.3.1. -

June 2008. +

+ June 2008. The HTML pages of the specification of Î»Î´ version 1 for Matita 0.5 are online. -

May 2008. +

+ May 2008. The specification of Î»Î´ version 1 is concluded. -

March 2008. +

+ March 2008. The specification of Î»Î´ version 2 is started with Coq 7.3.1 (false start). -

September 2007. +

+ September 2007. The specification of Î»Î´ version 1 for Matita 0.4 is online. -

November 2006.Î»Î´ version 1 +

+ November 2006. + Î»Î´ version 1 is released. -

December 2005.First communication on Î»Î´ version 1. -

May 2004. +

+ December 2005. + First communication on Î»Î´ version 1. +

+ May 2004. The specification of Î»Î´ version 1 is started with Coq 7.3.1. -

Visibility $\lambda\delta butterfly$

June 2014. +

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Visibility $\lambda\delta butterfly$ +

+ June 2014. The Google search for "formal system lambda delta" gives 5 resources about the Î»Î´ family in the first 6 results. -

June 2014. +

+ June 2014. The Yahoo search for "formal system lambda delta" gives 4 resources about the Î»Î´ family in the first 5 results. -

$\lambda\delta rainbow rule$

Last update: Thu, 09 Mar 2017 13:38:15 +0100

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Last update: Sat, 01 Apr 2017 16:50:38 +0200

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