The free-theorems-seq package

[Tags: library, public-domain]

Given a term, this program calculates a set of "optimal" free theorems that hold in a lambda calculus with selective strictness. It omits totality (in general, bottom-reflection) and other restrictions when possible. The underlying theory is described in the paper "Taming Selective Strictness" (ATPS'09) by Daniel Seidel and Janis Voigtländer. A webinterface for the program is running online at http://www-ps.iai.uni-bonn.de/cgi-bin/polyseq.cgi or available offline via the package http://hackage.haskell.org/package/free-theorems-seq-webui.

Related to this package you may be interested in the online free theorem generator at http://www-ps.iai.uni-bonn.de/ft that is also available offline via http://hackage.haskell.org/package/free-theorems-webui. Additionally interesting may be the counterexample generator for free theorems that exemplifies the need of strictness conditions imposed by general recursion. It can be downloaded at http://hackage.haskell.org/package/free-theorems-counterexamples or used via a webinterface at http://www-ps.iai.uni-bonn.de/cgi-bin/exfind.cgi.


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Properties

Version1.0
Change logNone available
Dependenciesarray (==0.*), base (>=1), bytestring (>=0.9.0.1), containers (>=0.1.0.1), free-theorems (>=0.3.1 && <0.4), haskell-src (>=1.0.1.1), mtl (>=1.1.0.0), old-locale (==1.*), old-time (==1.*), parsec (==3.*), pretty (==1.*), syb (>=0.1.0.0), utf8-string (>=0.3.1.1 && <0.4), xhtml (==3000.*) [details]
LicensePublicDomain
AuthorDaniel Seidel
Maintainerds@iai.uni-bonn.de
CategoryLanguage
UploadedFri Mar 11 17:07:18 UTC 2011 by DanielSeidel
DistributionsNixOS:1.0
Downloads214 total (6 in last 30 days)
Votes
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StatusDocs available [build log]
Successful builds reported [all 1 reports]

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Readme for free-theorems-seq-1.0

The module free-theorems-seq-0.1 can be installed via

cabal install

or the following way:

runhaskell Setup.hs configure --user
runhaskell Setup.hs build
runhaskell Setup.hs haddock
runhaskell Setup.hs install

runhaskell Setup.hs haddock builds the documentation.
This step is not necessary.

After installation the modules
        Language.Haskell.FreeTheorems.Variations.PolySeq.PolySeq
        Language.Haskell.FreeTheorems.Variations.PolySeq.PrettyPrint
        Language.Haskell.FreeTheorems.Variations.PolySeq.TypeTranslator
        Language.Haskell.FreeTheorems.Variations.PolySeq.TheoremGen
        Language.Haskell.FreeTheorems.Variations.PolySeq.Parser.ParseTerm
        Language.Haskell.FreeTheorems.Variations.PolySeq.Highlight
are available.

The functionality of the library is also available via a webinterface
that is either available via the package at

http://hackage.haskell.org/package/free-theorems-seq-webui

or can be used online at

http://www-ps.iai.uni-bonn.de/cgi-bin/polyseq.cgi.

Enjoy.