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authorkristerw <kristerw@pkgsrc.org>2003-01-22 22:41:21 +0000
committerkristerw <kristerw@pkgsrc.org>2003-01-22 22:41:21 +0000
commit4c3b16d9d01706a9fb764fffca91887fb052b622 (patch)
treeb04084ad61dd54118627c33224d370fdb1503f0f /lang/twelf/DESCR
parent20c696d464562e4feba0446d6032f840d076231e (diff)
downloadpkgsrc-4c3b16d9d01706a9fb764fffca91887fb052b622.tar.gz
Initial import of twelf-1.4 as contributed by Christopher Richards in
PR 18497. From http://www.twelf.org, heavily edited: Twelf is a research project concerned with the design, implementation, and application of logical frameworks. It provides a uniform meta-language for specifying, implementing, and proving properties of programming languages and logics. Example suites include Cartesian Closed Categories and lambda-calculus, the Church-Rosser theorem for the untyped lambda-calculus, Mini-ML including type preservation and compilation, cut elimination, theory of logic programming, and Hilbert's deduction theorem. The principal authors of Twelf are Frank Pfenning and Carsten Schuermann, with major contrubtions by Brigitte Pientka, Roberto Virga, and Kevin Watkins.
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+From http://www.twelf.org, heavily edited:
+
+ Twelf is a research project concerned with the design,
+ implementation, and application of logical frameworks. It
+ provides a uniform meta-language for specifying, implementing, and
+ proving properties of programming languages and logics.
+
+ Example suites include Cartesian Closed Categories and
+ lambda-calculus, the Church-Rosser theorem for the untyped
+ lambda-calculus, Mini-ML including type preservation and
+ compilation, cut elimination, theory of logic programming, and
+ Hilbert's deduction theorem.
+
+ The principal authors of Twelf are Frank Pfenning and Carsten
+ Schuermann, with major contrubtions by Brigitte Pientka, Roberto
+ Virga, and Kevin Watkins.