output state first -- avoid fluctuation wrt. warnings, errors, etc.;
1 For the purposes of the license agreement in the file COPYRIGHT, a
2 'contributor' is anybody who is listed in this file (CONTRIBUTORS) or
3 who is listed as an author in one of the source files of this Isabelle
6 Contributions to Isabelle2014
7 -----------------------------
9 * July 2014: Thomas Sewell, NICTA
10 Preserve equality hypotheses in "clarify" and friends. New
11 "hypsubst_thin" method configuration option.
13 * Summer 2014: Florian Haftmann, TUM
14 Consolidation and generalization of facts concerning (abelian)
15 semigroups and monoids, particularly products (resp. sums) on
18 * June 2014: Florian Haftmann, TUM
19 Internal reorganisation of the local theory / named target stack.
21 * Summer 2014: Mathias Fleury, ENS Rennes, and Albert Steckermeier, TUM
22 Work on exotic automatic theorem provers for Sledgehammer (LEO-II,
23 veriT, Waldmeister, etc.).
25 * June 2014: Sudeep Kanav, TUM, Jeremy Avigad, CMU, and Johannes Hölzl, TUM
26 Various properties of exponentially, Erlang, and normal distributed
29 * May 2014: Cezary Kaliszyk, University of Innsbruck, and
30 Jasmin Blanchette, TUM
31 SML-based engines for MaSh.
33 * March 2014: René Thiemann
34 Improved code generation for multisets.
36 * February 2014: Florian Haftmann, TUM
37 Permanent interpretation inside theory, locale and class targets
38 with mixin definitions.
40 * Spring 2014: Lawrence C Paulson, Cambridge
41 Theory Complex_Basic_Analysis. Tidying up Number_Theory vs Old_Number_Theory
43 * Winter 2013 and Spring 2014: Makarius Wenzel, Université Paris-Sud / LRI
44 Improvements of Isabelle/Scala and Isabelle/jEdit Prover IDE.
46 * Fall 2013 and Winter 2014: Martin Desharnais, Lorenz Panny,
47 Dmitriy Traytel, and Jasmin Blanchette, TUM
48 Various improvements to the BNF-based (co)datatype package,
49 including a more polished "primcorec" command, optimizations, and
50 integration in the "HOL" session.
52 * Winter/Spring 2014: Sascha Boehme, QAware GmbH, and
53 Jasmin Blanchette, TUM
54 "SMT2" module and "smt2" proof method, based on SMT-LIB 2 and
57 * January 2014: Lars Hupel, TUM
58 An improved, interactive simplifier trace with integration into the
59 Isabelle/jEdit Prover IDE.
61 * December 2013: Florian Haftmann, TUM
62 Consolidation of abstract interpretations concerning min and max.
64 * November 2013: Florian Haftmann, TUM
65 Abolition of negative numeral literals in the logic.
68 Contributions to Isabelle2013-1
69 -------------------------------
71 * September 2013: Lars Noschinski, TUM
72 Conversion between function definitions as list of equations and
73 case expressions in HOL.
74 New library Simps_Case_Conv with commands case_of_simps,
77 * September 2013: Nik Sultana, University of Cambridge
78 Improvements to HOL/TPTP parser and import facilities.
80 * September 2013: Johannes Hölzl and Dmitriy Traytel, TUM
81 New "coinduction" method (residing in HOL-BNF) to avoid boilerplate.
83 * Summer 2013: Makarius Wenzel, Université Paris-Sud / LRI
84 Improvements of Isabelle/Scala and Isabelle/jEdit Prover IDE.
86 * Summer 2013: Manuel Eberl, TUM
87 Generation of elimination rules in the function package.
88 New command "fun_cases".
90 * Summer 2013: Christian Sternagel, JAIST
91 Improved support for ad hoc overloading of constants, including
92 documentation and examples.
94 * Spring and Summer 2013: Lorenz Panny, Dmitriy Traytel, and
95 Jasmin Blanchette, TUM
96 Various improvements to the BNF-based (co)datatype package, including
97 "primrec_new" and "primcorec" commands and a compatibility layer.
99 * Spring and Summer 2013: Ondrej Kuncar, TUM
100 Various improvements of Lifting and Transfer packages.
102 * Spring 2013: Brian Huffman, Galois Inc.
103 Improvements of the Transfer package.
105 * Summer 2013: Daniel Kühlwein, ICIS, Radboud University Nijmegen
106 Jasmin Blanchette, TUM
107 Various improvements to MaSh, including a server mode.
109 * First half of 2013: Steffen Smolka, TUM
110 Further improvements to Sledgehammer's Isar proof generator.
112 * May 2013: Florian Haftmann, TUM
113 Ephemeral interpretation in local theories.
115 * May 2013: Lukas Bulwahn and Nicolai Schaffroth, TUM
116 Spec_Check: A Quickcheck tool for Isabelle/ML.
118 * April 2013: Stefan Berghofer, secunet Security Networks AG
120 Makarius Wenzel, Université Paris-Sud / LRI
121 Case translations as a separate check phase independent of the
124 * March 2013: Florian Haftmann, TUM
125 Reform of "big operators" on sets.
127 * March 2013: Florian Haftmann, TUM
128 Algebraic locale hierarchy for orderings and (semi)lattices.
130 * February 2013: Florian Haftmann, TUM
131 Reworking and consolidation of code generation for target language
134 * February 2013: Florian Haftmann, TUM
135 Sieve of Eratosthenes.
138 Contributions to Isabelle2013
139 -----------------------------
141 * 2012: Makarius Wenzel, Université Paris-Sud / LRI
142 Improvements of Isabelle/Scala and Isabelle/jEdit Prover IDE.
144 * Fall 2012: Daniel Kühlwein, ICIS, Radboud University Nijmegen
145 Jasmin Blanchette, TUM
146 Implemented Machine Learning for Sledgehammer (MaSh).
148 * Fall 2012: Steffen Smolka, TUM
149 Various improvements to Sledgehammer's Isar proof generator,
150 including a smart type annotation algorithm and proof shrinking.
152 * December 2012: Alessandro Coglio, Kestrel
153 Contributions to HOL's Lattice library.
155 * November 2012: Fabian Immler, TUM
156 "Symbols" dockable for Isabelle/jEdit.
158 * November 2012: Fabian Immler, TUM
159 Proof of the Daniell-Kolmogorov theorem: the existence of the limit
160 of projective families.
162 * October 2012: Andreas Lochbihler, KIT
163 Efficient construction of red-black trees from sorted associative
166 * September 2012: Florian Haftmann, TUM
167 Lattice instances for type option.
169 * September 2012: Christian Sternagel, JAIST
170 Consolidated HOL/Library (theories: Prefix_Order, Sublist, and
171 Sublist_Order) w.r.t. prefixes, suffixes, and embedding on lists.
173 * August 2012: Dmitriy Traytel, Andrei Popescu, Jasmin Blanchette, TUM
174 New BNF-based (co)datatype package.
176 * August 2012: Andrei Popescu and Dmitriy Traytel, TUM
177 Theories of ordinals and cardinals.
179 * July 2012: Makarius Wenzel, Université Paris-Sud / LRI
180 Advanced support for Isabelle sessions and build management, notably
183 * June 2012: Felix Kuperjans, Lukas Bulwahn, TUM and Rafal Kolanski, NICTA
184 Simproc for rewriting set comprehensions into pointfree expressions.
186 * May 2012: Andreas Lochbihler, KIT
187 Theory of almost everywhere constant functions.
189 * 2010-2012: Markus Kaiser and Lukas Bulwahn, TUM
190 Graphview in Scala/Swing.
193 Contributions to Isabelle2012
194 -----------------------------
196 * April 2012: Johannes Hölzl, TUM
197 Probability: Introduced type to represent measures instead of
200 * April 2012: Johannes Hölzl, Fabian Immler, TUM
201 Float: Moved to Dyadic rationals to represent floating point numers.
203 * April 2012: Thomas Sewell, NICTA and
204 2010: Sascha Boehme, TUM
205 Theory HOL/Word/WordBitwise: logic/circuit expansion of bitvector
206 equalities/inequalities.
208 * March 2012: Christian Sternagel, JAIST
209 Consolidated theory of relation composition.
211 * March 2012: Nik Sultana, University of Cambridge
212 HOL/TPTP parser and import facilities.
214 * March 2012: Cezary Kaliszyk, University of Innsbruck and
215 Alexander Krauss, QAware GmbH
216 Faster and more scalable Import mechanism for HOL Light proofs.
218 * January 2012: Florian Haftmann, TUM, et al.
219 (Re-)Introduction of the "set" type constructor.
221 * 2012: Ondrej Kuncar, TUM
222 New package Lifting, various improvements and refinements to the
225 * 2011/2012: Jasmin Blanchette, TUM
226 Various improvements to Sledgehammer, notably: tighter integration
227 with SPASS, support for more provers (Alt-Ergo, iProver,
230 * 2011/2012: Makarius Wenzel, Université Paris-Sud / LRI
231 Various refinements of local theory infrastructure.
232 Improvements of Isabelle/Scala layer and Isabelle/jEdit Prover IDE.
235 Contributions to Isabelle2011-1
236 -------------------------------
238 * September 2011: Peter Gammie
239 Theory HOL/Library/Saturated: numbers with saturated arithmetic.
241 * August 2011: Florian Haftmann, Johannes Hölzl and Lars Noschinski, TUM
242 Refined theory on complete lattices.
244 * August 2011: Brian Huffman, Portland State University
245 Miscellaneous cleanup of Complex_Main and Multivariate_Analysis.
247 * June 2011: Brian Huffman, Portland State University
248 Proof method "countable_datatype" for theory Library/Countable.
250 * 2011: Jasmin Blanchette, TUM
251 Various improvements to Sledgehammer, notably: use of sound
252 translations, support for more provers (Waldmeister, LEO-II,
253 Satallax). Further development of Nitpick and 'try' command.
255 * 2011: Andreas Lochbihler, Karlsruhe Institute of Technology
256 Theory HOL/Library/Cset_Monad allows do notation for computable sets
257 (cset) via the generic monad ad-hoc overloading facility.
259 * 2011: Johannes Hölzl, Armin Heller, TUM and
260 Bogdan Grechuk, University of Edinburgh
261 Theory HOL/Library/Extended_Reals: real numbers extended with plus
264 * 2011: Makarius Wenzel, Université Paris-Sud / LRI
265 Various building blocks for Isabelle/Scala layer and Isabelle/jEdit
269 Contributions to Isabelle2011
270 -----------------------------
272 * January 2011: Stefan Berghofer, secunet Security Networks AG
273 HOL-SPARK: an interactive prover back-end for SPARK.
275 * October 2010: Bogdan Grechuk, University of Edinburgh
276 Extended convex analysis in Multivariate Analysis.
278 * October 2010: Dmitriy Traytel, TUM
279 Coercive subtyping via subtype constraints.
281 * October 2010: Alexander Krauss, TUM
282 Command partial_function for function definitions based on complete
283 partial orders in HOL.
285 * September 2010: Florian Haftmann, TUM
286 Refined concepts for evaluation, i.e., normalization of terms using
287 different techniques.
289 * September 2010: Florian Haftmann, TUM
290 Code generation for Scala.
292 * August 2010: Johannes Hoelzl, Armin Heller, and Robert Himmelmann, TUM
293 Improved Probability theory in HOL.
295 * July 2010: Florian Haftmann, TUM
296 Reworking and extension of the Imperative HOL framework.
298 * July 2010: Alexander Krauss, TUM and Christian Sternagel, University
300 Ad-hoc overloading. Generic do notation for monads.
303 Contributions to Isabelle2009-2
304 -------------------------------
306 * 2009/2010: Stefan Berghofer, Alexander Krauss, and Andreas Schropp, TUM,
307 Makarius Wenzel, TUM / LRI
308 Elimination of type classes from proof terms.
310 * April 2010: Florian Haftmann, TUM
311 Reorganization of abstract algebra type classes.
313 * April 2010: Florian Haftmann, TUM
314 Code generation for data representations involving invariants;
315 various collections avaiable in theories Fset, Dlist, RBT,
316 Mapping and AssocList.
318 * March 2010: Sascha Boehme, TUM
319 Efficient SHA1 library for Poly/ML.
321 * February 2010: Cezary Kaliszyk and Christian Urban, TUM
322 Quotient type package for Isabelle/HOL.
325 Contributions to Isabelle2009-1
326 -------------------------------
328 * November 2009, Brian Huffman, PSU
329 New definitional domain package for HOLCF.
331 * November 2009: Robert Himmelmann, TUM
332 Derivation and Brouwer's fixpoint theorem in Multivariate Analysis.
334 * November 2009: Stefan Berghofer and Lukas Bulwahn, TUM
335 A tabled implementation of the reflexive transitive closure.
337 * November 2009: Lukas Bulwahn, TUM
338 Predicate Compiler: a compiler for inductive predicates to
339 equational specifications.
341 * November 2009: Sascha Boehme, TUM and Burkhart Wolff, LRI Paris
342 HOL-Boogie: an interactive prover back-end for Boogie and VCC.
344 * October 2009: Jasmin Blanchette, TUM
345 Nitpick: yet another counterexample generator for Isabelle/HOL.
347 * October 2009: Sascha Boehme, TUM
348 Extension of SMT method: proof-reconstruction for the SMT solver Z3.
350 * October 2009: Florian Haftmann, TUM
351 Refinement of parts of the HOL datatype package.
353 * October 2009: Florian Haftmann, TUM
354 Generic term styles for term antiquotations.
356 * September 2009: Thomas Sewell, NICTA
357 More efficient HOL/record implementation.
359 * September 2009: Sascha Boehme, TUM
360 SMT method using external SMT solvers.
362 * September 2009: Florian Haftmann, TUM
363 Refinement of sets and lattices.
365 * July 2009: Jeremy Avigad and Amine Chaieb
368 * July 2009: Philipp Meyer, TUM
369 HOL/Library/Sum_Of_Squares: functionality to call a remote csdp
372 * July 2009: Florian Haftmann, TUM
373 New quickcheck implementation using new code generator.
375 * July 2009: Florian Haftmann, TUM
376 HOL/Library/Fset: an explicit type of sets; finite sets ready to use
379 * June 2009: Florian Haftmann, TUM
380 HOL/Library/Tree: search trees implementing mappings, ready to use
383 * March 2009: Philipp Meyer, TUM
384 Minimization tool for results from Sledgehammer.
387 Contributions to Isabelle2009
388 -----------------------------
390 * March 2009: Robert Himmelmann, TUM and Amine Chaieb, University of
392 Elementary topology in Euclidean space.
394 * March 2009: Johannes Hoelzl, TUM
395 Method "approximation", which proves real valued inequalities by
398 * February 2009: Filip Maric, Univ. of Belgrade
401 * February 2009: Jasmin Christian Blanchette, TUM
402 Misc cleanup of HOL/refute.
404 * February 2009: Timothy Bourke, NICTA
405 New find_consts command.
407 * February 2009: Timothy Bourke, NICTA
408 "solves" criterion for find_theorems and auto_solve option
410 * December 2008: Clemens Ballarin, TUM
411 New locale implementation.
413 * December 2008: Armin Heller, TUM and Alexander Krauss, TUM
414 Method "sizechange" for advanced termination proofs.
416 * November 2008: Timothy Bourke, NICTA
417 Performance improvement (factor 50) for find_theorems.
419 * 2008: Florian Haftmann, TUM
420 Various extensions and restructurings in HOL, improvements
421 in evaluation mechanisms, new module binding.ML for name bindings.
423 * October 2008: Fabian Immler, TUM
424 ATP manager for Sledgehammer, based on ML threads instead of Posix
425 processes. Additional ATP wrappers, including remote SystemOnTPTP
428 * September 2008: Stefan Berghofer, TUM and Marc Bezem, Univ. Bergen
429 Prover for coherent logic.
431 * August 2008: Fabian Immler, TUM
432 Vampire wrapper script for remote SystemOnTPTP service.
435 Contributions to Isabelle2008
436 -----------------------------
439 Alexander Krauss, TUM and Florian Haftmann, TUM and Stefan Berghofer, TUM
440 HOL library improvements.
442 * 2007/2008: Brian Huffman, PSU
443 HOLCF library improvements.
445 * 2007/2008: Stefan Berghofer, TUM
446 HOL-Nominal package improvements.
448 * March 2008: Markus Reiter, TUM
449 HOL/Library/RBT: red-black trees.
451 * February 2008: Alexander Krauss, TUM and Florian Haftmann, TUM and
452 Lukas Bulwahn, TUM and John Matthews, Galois:
453 HOL/Library/Imperative_HOL: Haskell-style imperative data structures
456 * December 2007: Norbert Schirmer, Uni Saarbruecken
457 Misc improvements of record package in HOL.
459 * December 2007: Florian Haftmann, TUM
460 Overloading and class instantiation target.
462 * December 2007: Florian Haftmann, TUM
463 New version of primrec package for local theories.
465 * December 2007: Alexander Krauss, TUM
466 Method "induction_scheme" in HOL.
468 * November 2007: Peter Lammich, Uni Muenster
469 HOL-Lattice: some more lemmas.
472 Contributions to Isabelle2007
473 -----------------------------
475 * October 2007: Norbert Schirmer, TUM / Uni Saarbruecken
476 State Spaces: The Locale Way (in HOL).
478 * October 2007: Mark A. Hillebrand, DFKI
479 Robust sub/superscripts in LaTeX document output.
481 * August 2007: Jeremy Dawson, NICTA and Paul Graunke, Galois and Brian
482 Huffman, PSU and Gerwin Klein, NICTA and John Matthews, Galois
483 HOL-Word: a library for fixed-size machine words in Isabelle.
485 * August 2007: Brian Huffman, PSU
486 HOL/Library/Boolean_Algebra and HOL/Library/Numeral_Type.
488 * June 2007: Amine Chaieb, TUM
489 Semiring normalization and Groebner Bases.
490 Support for dense linear orders.
492 * June 2007: Joe Hurd, Oxford
493 Metis theorem-prover.
495 * 2007: Kong W. Susanto, Cambridge
496 HOL: Metis prover integration.
498 * 2007: Stefan Berghofer, TUM
499 HOL: inductive predicates and sets.
501 * 2007: Norbert Schirmer, TUM
502 HOL/record: misc improvements.
504 * 2006/2007: Alexander Krauss, TUM
505 HOL: function package and related theories on termination.
507 * 2006/2007: Florian Haftmann, TUM
508 Pure: generic code generator framework.
510 HOL: theory reorganization, code generator setup.
512 * 2006/2007: Christian Urban, TUM and Stefan Berghofer, TUM and
514 HOL/Nominal package and related tools.
516 * November 2006: Lukas Bulwahn, TUM
517 HOL: method "lexicographic_order" for function package.
519 * October 2006: Stefan Hohe, TUM
520 HOL-Algebra: ideals and quotients over rings.
522 * August 2006: Amine Chaieb, TUM
523 Experimental support for generic reflection and reification in HOL.
525 * July 2006: Rafal Kolanski, NICTA
526 Hex (0xFF) and binary (0b1011) numerals.
528 * May 2006: Klaus Aehlig, LMU
529 Command 'normal_form': normalization by evaluation.
531 * May 2006: Amine Chaieb, TUM
532 HOL-Complex: Ferrante and Rackoff Algorithm for linear real
535 * February 2006: Benjamin Porter, NICTA
536 HOL and HOL-Complex: generalised mean value theorem, continuum is
537 not denumerable, harmonic and arithmetic series, and denumerability
540 * October 2005: Martin Wildmoser, TUM
541 Sketch for Isar 'guess' element.
544 Contributions to Isabelle2005
545 -----------------------------
547 * September 2005: Lukas Bulwahn and Bernhard Haeupler, TUM
548 HOL-Complex: Formalization of Taylor series.
550 * September 2005: Stephan Merz, Alwen Tiu, QSL Loria
551 Components for SAT solver method using zChaff.
553 * September 2005: Ning Zhang and Christian Urban, LMU Munich
556 * September 2005: Bernhard Haeupler, TUM
557 Method comm_ring for proving equalities in commutative rings.
559 * July/August 2005: Jeremy Avigad, Carnegie Mellon University
560 Various improvements of the HOL and HOL-Complex library.
562 * July 2005: Florian Zuleger, Johannes Hoelzl, and Simon Funke, TUM
563 Some structured proofs about completeness of real numbers.
565 * May 2005: Rafal Kolanski and Gerwin Klein, NICTA
566 Improved retrieval of facts from theory/proof context.
568 * February 2005: Lucas Dixon, University of Edinburgh
569 Improved subst method.
571 * 2005: Brian Huffman, OGI
572 Various improvements of HOLCF.
573 Some improvements of the HOL-Complex library.
575 * 2005: Claire Quigley and Jia Meng, University of Cambridge
576 Some support for asynchronous communication with external provers
579 * 2005: Florian Haftmann, TUM
580 Contributions to document 'sugar'.
581 Various ML combinators, notably linear functional transformations.
582 Some cleanup of ML legacy.
583 Additional antiquotations.
584 Improved Isabelle web site.
586 * 2004/2005: David Aspinall, University of Edinburgh
587 Various elements of XML and PGIP based communication with user
588 interfaces (experimental).
590 * 2004/2005: Gerwin Klein, NICTA
591 Contributions to document 'sugar'.
592 Improved Isabelle web site.
593 Improved HTML presentation of theories.
595 * 2004/2005: Clemens Ballarin, TUM
596 Provers: tools for transitive relations and quasi orders.
597 Improved version of locales, notably interpretation of locales.
598 Improved version of HOL-Algebra.
600 * 2004/2005: Amine Chaieb, TUM
601 Improved version of HOL presburger method.
603 * 2004/2005: Steven Obua, TUM
604 Improved version of HOL/Import, support for HOL-Light.
605 Improved version of HOL-Complex-Matrix.
606 Pure/defs: more sophisticated checks on well-formedness of overloading.
607 Pure/Tools: an experimental evaluator for lambda terms.
609 * 2004/2005: Norbert Schirmer, TUM
610 Contributions to document 'sugar'.
611 Improved version of HOL/record.
613 * 2004/2005: Sebastian Skalberg, TUM
614 Improved version of HOL/Import.
615 Some internal ML reorganizations.
617 * 2004/2005: Tjark Weber, TUM
618 SAT solver method using zChaff.
619 Improved version of HOL/refute.