X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fwww%2Flambdadelta%2Fweb%2Fhome%2Fimplementation.ldw.xml;h=76bd89b33a94626779f64dd34c101189cb5099bd;hb=528f8ea107f689d07d060e1d31ba32bf65b4e6ba;hp=b8cc30553b3f5b04af6fd5ddeef9451ca87d37c3;hpb=644307df315b855c3851f813b04d562acf2db9bc;p=helm.git diff --git a/helm/www/lambdadelta/web/home/implementation.ldw.xml b/helm/www/lambdadelta/web/home/implementation.ldw.xml index b8cc30553..76bd89b33 100644 --- a/helm/www/lambdadelta/web/home/implementation.ldw.xml +++ b/helm/www/lambdadelta/web/home/implementation.ldw.xml @@ -3,48 +3,31 @@ - Computer-checked formal specifications - - λδ comes in several versions listed in the following table, - which includes the major milestones: - - - Tools -
λδ Digital Library (LDDL)
+ Open Symbolic Notation + - The λδ Digital Library is part of HELM - and contains resources expressed in λδ. + 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 languages. + Additional information is available at OSN web site. - - Landau's "Grundlagen der Analysis" - (from Jutting's specification in Automath). - - - static pages (updated ), - data set (updated ), - HELM server URL (updated ). - - - - Grundlagen's definition "t234" - (in "basic_rg" λδ), - - Grundlagen's definition "t234" - (in "complete_rg" λδ). - -
Helena
+ + Helena + - 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. The processor source code is available in the directory @@ -52,48 +35,129 @@ of the HELM Svn repository. The Svn revisions containing the stable versions of Helena are indicated next. - - In progress. - - - Exploits a subset of "complete_rg" λδ as the intermediate language. + + + + 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). + + + The corrected specification of Landau's "Grundlagen der Analysis" + is successfully validated in a λProlog implementation of λδ version 3. + + + + + + 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). + + The specification of Landau's "Grundlagen der Analysis" + for Coq 8: + grundlagen_2.v + (revised ). + + The specification of Landau's "Grundlagen der Analysis" + for Matita 0.99.2: + grundlagen_2.tar.bz2 + (revised ). + + The corrected specification of Landau's "Grundlagen der Analysis": + grundlagen_2.aut + (revised ). + + + The translated specification of Landau's "Grundlagen der Analysis" + is successfully validated in CC by Coq 8.4.3. + + + The corrected specification of Landau's "Grundlagen der Analysis" + is successfully validated in λδ version 3. + + + + + + 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 toversion 0.8.0. - [Svn revision: 11032] (archived source code) + increases of 22% with respect to version 0.8.0. + [Svn revision: 11032] (archived source code). A Jed mode for editing ".hln" files (containing λδ textual syntax): helena.sl - (revised ). + (revised ). - + Helena appears in F. Wiedijk's index of computer math systems. - - - Supports "basic_rg" λδ with naive implementation of impredicative sort inclusion. + + + + + Supports λδ version 2 with naive implementation of impredicative sort inclusion. Features importation from Automath and exportation to XML. - Documentation. + Documentation (R2a). [Svn revision: 10304] (archived source code). A Jed mode for editing ".aut" files (containing Automath textual syntax): automath.sl - (revised ). + (revised ). - + Jutting's specification of Landau's "Grundlagen der Analysis" enters λδ Digital Library. - + Jutting's specification of Landau's "Grundlagen der Analysis" is successfully processed, enabling sort inclusion. - + + + λδ Digital Library (LDDL) + + + The λδ Digital Library is part of HELM + and contains resources expressed in the systems of the λδ family. + + + + Landau's "Grundlagen der Analysis" + (from Jutting's specification in Automath). + + + + static pages (updated ), + data set (updated ), + HELM server URL (updated ). + + + + + Grundlagen's definition "t234" + in λδ version 4. + +