For the purposes of the license agreement in the file COPYRIGHT, a
'contributor' is anybody who is listed in this file (CONTRIBUTORS) or
who is listed as an author in one of the source files of this Isabelle
distribution.
Contributions to this Isabelle version
--------------------------------------
* November 2007: Peter Lammich, Uni Muenster
HOL-Lattice: some more lemmas.
* December 2007: Florian Haftmann, TUM
Overloading and Instantiation Target
* February 2008: Alexander Krauss, TUM and Florian Haftmann, TUM and
Lukas Bulwahn, TUM and John Matthews, Galois:
HOL/Library/Imperative_HOL: Haskell-style imperative data structures
for HOL.
* March 2008: Markus Reiter, TUM
HOL/Library/RBT: red-black trees.
Contributions to Isabelle2007
-----------------------------
* October 2007: Norbert Schirmer, TUM / Uni Saarbruecken
State Spaces: The Locale Way (in HOL).
* October 2007: Mark A. Hillebrand, DFKI
Robust sub/superscripts in LaTeX document output.
* August 2007: Jeremy Dawson, NICTA and Paul Graunke, Galois and Brian
Huffman, PSU and Gerwin Klein, NICTA and John Matthews, Galois
HOL-Word: a library for fixed-size machine words in Isabelle.
* August 2007: Brian Huffman, PSU
HOL/Library/Boolean_Algebra and HOL/Library/Numeral_Type.
* June 2007: Amine Chaieb, TUM
Semiring normalization and Groebner Bases.
Support for dense linear orders.
* June 2007: Joe Hurd, Oxford
Metis theorem-prover.
* 2007: Kong W. Susanto, Cambridge
HOL: Metis prover integration.
* 2007: Stefan Berghofer, TUM
HOL: inductive predicates and sets.
* 2007: Norbert Schirmer, TUM
HOL/record: misc improvements.
* 2006/2007: Alexander Krauss, TUM
HOL: function package and related theories on termination.
* 2006/2007: Florian Haftmann, TUM
Pure: generic code generator framework.
Pure: class package.
HOL: theory reorganization, code generator setup.
* 2006/2007: Christian Urban, TUM and Stefan Berghofer, TUM and
Julien Narboux, TUM
HOL/Nominal package and related tools.
* November 2006: Lukas Bulwahn, TUM
HOL: method "lexicographic_order" for function package.
* October 2006: Stefan Hohe, TUM
HOL-Algebra: ideals and quotients over rings.
* August 2006: Amine Chaieb, TUM
Experimental support for generic reflection and reification in HOL.
* July 2006: Rafal Kolanski, NICTA
Hex (0xFF) and binary (0b1011) numerals.
* May 2006: Klaus Aehlig, LMU
Command 'normal_form': normalization by evaluation.
* May 2006: Amine Chaieb, TUM
HOL-Complex: Ferrante and Rackoff Algorithm for linear real
arithmetic.
* February 2006: Benjamin Porter, NICTA
HOL and HOL-Complex: generalised mean value theorem, continuum is
not denumerable, harmonic and arithmetic series, and denumerability
of rationals.
* October 2005: Martin Wildmoser, TUM
Sketch for Isar 'guess' element.
Contributions to Isabelle2005
-----------------------------
* September 2005: Lukas Bulwahn and Bernhard Haeupler, TUM
HOL-Complex: Formalization of Taylor series.
* September 2005: Stephan Merz, Alwen Tiu, QSL Loria
Components for SAT solver method using zChaff.
* September 2005: Ning Zhang and Christian Urban, LMU Munich
A Chinese theory.
* September 2005: Bernhard Haeupler, TUM
Method comm_ring for proving equalities in commutative rings.
* July/August 2005: Jeremy Avigad, Carnegie Mellon University
Various improvements of the HOL and HOL-Complex library.
* July 2005: Florian Zuleger, Johannes Hoelzl, and Simon Funke, TUM
Some structured proofs about completeness of real numbers.
* May 2005: Rafal Kolanski and Gerwin Klein, NICTA
Improved retrieval of facts from theory/proof context.
* February 2005: Lucas Dixon, University of Edinburgh
Improved subst method.
* 2005: Brian Huffman, OGI
Various improvements of HOLCF.
Some improvements of the HOL-Complex library.
* 2005: Claire Quigley and Jia Meng, University of Cambridge
Some support for asynchronous communication with external provers
(experimental).
* 2005: Florian Haftmann, TUM
Contributions to document 'sugar'.
Various ML combinators, notably linear functional transformations.
Some cleanup of ML legacy.
Additional antiquotations.
Improved Isabelle web site.
* 2004/2005: David Aspinall, University of Edinburgh
Various elements of XML and PGIP based communication with user
interfaces (experimental).
* 2004/2005: Gerwin Klein, NICTA
Contributions to document 'sugar'.
Improved Isabelle web site.
Improved HTML presentation of theories.
* 2004/2005: Clemens Ballarin, TUM
Provers: tools for transitive relations and quasi orders.
Improved version of locales, notably interpretation of locales.
Improved version of HOL-Algebra.
* 2004/2005: Amine Chaieb, TUM
Improved version of HOL presburger method.
* 2004/2005: Steven Obua, TUM
Improved version of HOL/Import, support for HOL-Light.
Improved version of HOL-Complex-Matrix.
Pure/defs: more sophisticated checks on well-formedness of overloading.
Pure/Tools: an experimental evaluator for lambda terms.
* 2004/2005: Norbert Schirmer, TUM
Contributions to document 'sugar'.
Improved version of HOL/record.
* 2004/2005: Sebastian Skalberg, TUM
Improved version of HOL/Import.
Some internal ML reorganizations.
* 2004/2005: Tjark Weber, TUM
SAT solver method using zChaff.
Improved version of HOL/refute.
$Id$