CONTRIBUTORS
author ballarin
Mon Mar 20 21:01:47 2017 +0100 (2017-03-20)
changeset 65330 d83f709b7580
parent 65099 30d0b2f1df76
child 66475 d8e0fd64216f
permissions -rw-r--r--
Corrected affiliation.
wenzelm@24799
     1
For the purposes of the license agreement in the file COPYRIGHT, a
wenzelm@62098
     2
'contributor' is anybody who is listed in this file (CONTRIBUTORS) or who is
wenzelm@62098
     3
listed as an author in one of the source files of this Isabelle distribution.
wenzelm@62098
     4
kleing@23382
     5
wenzelm@64439
     6
Contributions to this Isabelle version
wenzelm@64439
     7
--------------------------------------
wenzelm@64439
     8
ballarin@65330
     9
* March 2017: Alasdair Armstrong, University of Sheffield and
ballarin@65330
    10
  Simon Foster, University of York
ballarin@65099
    11
  Fixed-point theory and Galois Connections in HOL-Algebra.
ballarin@65099
    12
haftmann@65041
    13
* February 2017: Florian Haftmann, TUM
haftmann@65042
    14
  Statically embedded computations implemented by generated code.
haftmann@65041
    15
wenzelm@64439
    16
wenzelm@64072
    17
Contributions to Isabelle2016-1
wenzelm@64072
    18
-------------------------------
wenzelm@62216
    19
wenzelm@64551
    20
* December 2016: Ondřej Kunčar, TUM
wenzelm@64551
    21
  Types_To_Sets: experimental extension of Higher-Order Logic to allow
wenzelm@64551
    22
  translation of types to sets.
wenzelm@64551
    23
wenzelm@64393
    24
* October 2016: Jasmin Blanchette
wenzelm@64393
    25
  Integration of Nunchaku model finder.
wenzelm@64393
    26
wenzelm@64393
    27
* October 2016: Jaime Mendizabal Roche, TUM
wenzelm@64393
    28
  Ported remaining theories of session Old_Number_Theory to the new
wenzelm@64393
    29
  Number_Theory and removed Old_Number_Theory.
wenzelm@64393
    30
wenzelm@64393
    31
* September 2016: Sascha Boehme
wenzelm@64393
    32
  Proof method "argo" based on SMT technology for a combination of
wenzelm@64393
    33
  quantifier-free propositional logic, equality and linear real arithmetic
wenzelm@64393
    34
wenzelm@64393
    35
* July 2016: Daniel Stuewe
wenzelm@64393
    36
  Height-size proofs in HOL-Data_Structures.
wenzelm@64393
    37
wenzelm@64393
    38
* July 2016: Manuel Eberl, TUM
wenzelm@64393
    39
  Algebraic foundation for primes; generalization from nat to general
wenzelm@64393
    40
  factorial rings.
wenzelm@64393
    41
wenzelm@64393
    42
* June 2016: Andreas Lochbihler, ETH Zurich
wenzelm@64393
    43
  Formalisation of discrete subprobability distributions.
wenzelm@64393
    44
wenzelm@64393
    45
* June 2016: Florian Haftmann, TUM
wenzelm@64393
    46
  Improvements to code generation: optional timing measurements, more succint
wenzelm@64393
    47
  closures for static evaluation, less ambiguities concering Scala implicits.
wenzelm@64393
    48
wenzelm@64393
    49
* May 2016: Manuel Eberl, TUM
wenzelm@64393
    50
  Code generation for Probability Mass Functions.
haftmann@62343
    51
haftmann@64011
    52
* March 2016: Florian Haftmann, TUM
haftmann@62499
    53
  Abstract factorial rings with unique factorization.
haftmann@62499
    54
haftmann@64011
    55
* March 2016: Florian Haftmann, TUM
wenzelm@64393
    56
  Reworking of the HOL char type as special case of a finite numeral type.
wenzelm@62216
    57
wenzelm@64393
    58
* March 2016: Andreas Lochbihler, ETH Zurich
wenzelm@64393
    59
  Reasoning support for monotonicity, continuity and admissibility in
wenzelm@64393
    60
  chain-complete partial orders.
haftmann@64011
    61
wenzelm@64393
    62
* February - October 2016: Makarius Wenzel
wenzelm@64393
    63
  Prover IDE improvements.
wenzelm@64393
    64
  ML IDE improvements: bootstrap of Pure.
wenzelm@64393
    65
  Isar language consolidation.
wenzelm@64393
    66
  Notational modernization of HOL.
wenzelm@64393
    67
  Tight Poly/ML integration.
wenzelm@64393
    68
  More Isabelle/Scala system programming modules (e.g. SSH, Mercurial).
eberlm@63552
    69
blanchet@64433
    70
* Winter 2016: Jasmin Blanchette, Inria & LORIA & MPII, Aymeric Bouzy,
blanchet@64433
    71
  Ecole polytechnique, Andreas Lochbihler, ETH Zurich, Andrei Popescu,
blanchet@64433
    72
  Middlesex University, and Dmitriy Traytel, ETH Zurich
blanchet@64433
    73
  'corec' command and friends.
blanchet@64433
    74
wenzelm@64393
    75
* January 2016: Florian Haftmann, TUM
wenzelm@64393
    76
  Abolition of compound operators INFIMUM and SUPREMUM for complete lattices.
blanchet@64389
    77
blanchet@64389
    78
wenzelm@62016
    79
Contributions to Isabelle2016
wenzelm@62016
    80
-----------------------------
wenzelm@60138
    81
eberlm@62201
    82
* Winter 2016: Manuel Eberl, TUM
eberlm@62201
    83
  Support for real exponentiation ("powr") in the "approximation" method.
blanchet@62693
    84
  (This was removed in Isabelle 2015 due to a changed definition of "powr".)
eberlm@62201
    85
lp15@62138
    86
* Summer 2015 - Winter 2016: Lawrence C Paulson, Cambridge
lp15@62138
    87
  General, homology form of Cauchy's integral theorem and supporting material
wenzelm@62205
    88
  (ported from HOL Light).
lp15@62138
    89
kleing@62118
    90
* Winter 2015/16: Gerwin Klein, NICTA
wenzelm@62205
    91
  New print_record command.
kleing@62118
    92
wenzelm@62236
    93
* May - December 2015: Makarius Wenzel
wenzelm@62236
    94
  Prover IDE improvements.
wenzelm@62236
    95
  More Isar language elements.
wenzelm@62236
    96
  Document language refinements.
wenzelm@62236
    97
  Poly/ML debugger integration.
wenzelm@62236
    98
  Improved multi-platform and multi-architecture support.
wenzelm@62236
    99
eberlm@62060
   100
* Winter 2015: Manuel Eberl, TUM
eberlm@62060
   101
  The radius of convergence of power series and various summability tests.
wenzelm@62064
   102
  Harmonic numbers and the Euler-Mascheroni constant.
eberlm@62060
   103
  The Generalised Binomial Theorem.
wenzelm@62064
   104
  The complex and real Gamma/log-Gamma/Digamma/Polygamma functions and their
wenzelm@62064
   105
  most important properties.
lp15@62138
   106
eberlm@62086
   107
* Autumn 2015: Manuel Eberl, TUM
eberlm@62086
   108
  Proper definition of division (with remainder) for formal power series;
eberlm@62086
   109
  Euclidean Ring and GCD instance for formal power series.
eberlm@62060
   110
haftmann@61891
   111
* Autumn 2015: Florian Haftmann, TUM
wenzelm@62064
   112
  Rewrite definitions for global interpretations and sublocale declarations.
haftmann@61891
   113
Andreas@61766
   114
* Autumn 2015: Andreas Lochbihler
wenzelm@62064
   115
  Bourbaki-Witt fixpoint theorem for increasing functions on chain-complete
wenzelm@62064
   116
  partial orders.
Andreas@61766
   117
eberlm@61552
   118
* Autumn 2015: Chaitanya Mangla, Lawrence C Paulson, and Manuel Eberl
eberlm@61552
   119
  A large number of additional binomial identities.
eberlm@61552
   120
wenzelm@60632
   121
* Summer 2015: Daniel Matichuk, NICTA and Makarius Wenzel
wenzelm@62064
   122
  Isar subgoal command for proof structure within unstructured proof scripts.
wenzelm@60632
   123
haftmann@60434
   124
* Summer 2015: Florian Haftmann, TUM
wenzelm@60632
   125
  Generic partial division in rings as inverse operation of multiplication.
haftmann@60434
   126
haftmann@60517
   127
* Summer 2015: Manuel Eberl and Florian Haftmann, TUM
wenzelm@62064
   128
  Type class hierarchy with common algebraic notions of integral (semi)domains
wenzelm@62064
   129
  like units, associated elements and normalization wrt. units.
haftmann@60517
   130
haftmann@60804
   131
* Summer 2015: Florian Haftmann, TUM
haftmann@60804
   132
  Fundamentals of abstract type class for factorial rings.
haftmann@60804
   133
traytel@60920
   134
* Summer 2015: Julian Biendarra, TUM and Dmitriy Traytel, ETH Zurich
wenzelm@62064
   135
  Command to lift a BNF structure on the raw type to the abstract type for
wenzelm@62064
   136
  typedefs.
traytel@60920
   137
wenzelm@62236
   138
* Summer 2014: Jeremy Avigad, Luke Serafin, CMU, and Johannes Hölzl, TUM
wenzelm@62236
   139
  Proof of the central limit theorem: includes weak convergence,
wenzelm@62236
   140
  characteristic functions, and Levy's uniqueness and continuity theorem.
wenzelm@62236
   141
wenzelm@60138
   142
wenzelm@60012
   143
Contributions to Isabelle2015
wenzelm@60012
   144
-----------------------------
wenzelm@57695
   145
wenzelm@60119
   146
* 2014/2015: Daniel Matichuk, Toby Murray, NICTA and Makarius Wenzel
wenzelm@60119
   147
  The Eisbach proof method language and "match" method.
wenzelm@60119
   148
kuncar@60260
   149
* Winter 2014 and Spring 2015: Ondrej Kuncar, TUM
wenzelm@60261
   150
  Extension of lift_definition to execute lifted functions that have as a
wenzelm@60261
   151
  return type a datatype containing a subtype.
kuncar@60260
   152
wenzelm@59980
   153
* March 2015: Jasmin Blanchette, Inria & LORIA & MPII, Mathias Fleury, MPII,
wenzelm@59980
   154
  and Dmitriy Traytel, TUM
blanchet@59813
   155
  More multiset theorems, syntax, and operations.
blanchet@59813
   156
wenzelm@59980
   157
* December 2014: Johannes Hölzl, Manuel Eberl, Sudeep Kanav, TUM, and
wenzelm@59980
   158
  Jeremy Avigad, Luke Serafin, CMU
wenzelm@59980
   159
  Various integration theorems: mostly integration on intervals and
wenzelm@59980
   160
  substitution.
hoelzl@59092
   161
haftmann@58196
   162
* September 2014: Florian Haftmann, TUM
haftmann@58196
   163
  Lexicographic order on functions and
haftmann@58196
   164
  sum/product over function bodies.
haftmann@58196
   165
Andreas@58626
   166
* August 2014: Andreas Lochbihler, ETH Zurich
wenzelm@59980
   167
  Test infrastructure for executing generated code in target languages.
Andreas@58626
   168
haftmann@58023
   169
* August 2014: Manuel Eberl, TUM
wenzelm@59980
   170
  Generic euclidean algorithms for GCD et al.
haftmann@58023
   171
wenzelm@57695
   172
wenzelm@57452
   173
Contributions to Isabelle2014
wenzelm@57452
   174
-----------------------------
wenzelm@54055
   175
kleing@57513
   176
* July 2014: Thomas Sewell, NICTA
wenzelm@57516
   177
  Preserve equality hypotheses in "clarify" and friends. New
wenzelm@57516
   178
  "hypsubst_thin" method configuration option.
kleing@57513
   179
haftmann@57519
   180
* Summer 2014: Florian Haftmann, TUM
haftmann@57519
   181
  Consolidation and generalization of facts concerning (abelian)
haftmann@57519
   182
  semigroups and monoids, particularly products (resp. sums) on
haftmann@57519
   183
  finite sets.
haftmann@57419
   184
blanchet@57216
   185
* Summer 2014: Mathias Fleury, ENS Rennes, and Albert Steckermeier, TUM
wenzelm@57452
   186
  Work on exotic automatic theorem provers for Sledgehammer (LEO-II,
wenzelm@57452
   187
  veriT, Waldmeister, etc.).
blanchet@57216
   188
wenzelm@57875
   189
* June 2014: Florian Haftmann, TUM
wenzelm@57875
   190
  Internal reorganisation of the local theory / named target stack.
wenzelm@57875
   191
hoelzl@57254
   192
* June 2014: Sudeep Kanav, TUM, Jeremy Avigad, CMU, and Johannes Hölzl, TUM
wenzelm@57452
   193
  Various properties of exponentially, Erlang, and normal distributed
wenzelm@57452
   194
  random variables.
hoelzl@57235
   195
wenzelm@57452
   196
* May 2014: Cezary Kaliszyk, University of Innsbruck, and
wenzelm@57452
   197
  Jasmin Blanchette, TUM
blanchet@57030
   198
  SML-based engines for MaSh.
blanchet@57030
   199
wenzelm@55913
   200
* March 2014: René Thiemann
nipkow@55895
   201
  Improved code generation for multisets.
nipkow@55895
   202
haftmann@56416
   203
* February 2014: Florian Haftmann, TUM
wenzelm@57452
   204
  Permanent interpretation inside theory, locale and class targets
wenzelm@57452
   205
  with mixin definitions.
wenzelm@57452
   206
lp15@57474
   207
* Spring 2014: Lawrence C Paulson, Cambridge
lp15@57474
   208
  Theory Complex_Basic_Analysis. Tidying up Number_Theory vs Old_Number_Theory
lp15@57474
   209
wenzelm@57827
   210
* Winter 2013 and Spring 2014: Ondrej Kuncar, TUM
wenzelm@57827
   211
  Various improvements to Lifting/Transfer, integration with the BNF package.
wenzelm@57827
   212
wenzelm@57452
   213
* Winter 2013 and Spring 2014: Makarius Wenzel, Université Paris-Sud / LRI
wenzelm@57452
   214
  Improvements of Isabelle/Scala and Isabelle/jEdit Prover IDE.
haftmann@56416
   215
wenzelm@57452
   216
* Fall 2013 and Winter 2014: Martin Desharnais, Lorenz Panny,
wenzelm@57452
   217
  Dmitriy Traytel, and Jasmin Blanchette, TUM
wenzelm@57452
   218
  Various improvements to the BNF-based (co)datatype package,
wenzelm@57452
   219
  including a more polished "primcorec" command, optimizations, and
wenzelm@57452
   220
  integration in the "HOL" session.
blanchet@56118
   221
wenzelm@57452
   222
* Winter/Spring 2014: Sascha Boehme, QAware GmbH, and
wenzelm@57452
   223
  Jasmin Blanchette, TUM
wenzelm@57452
   224
  "SMT2" module and "smt2" proof method, based on SMT-LIB 2 and
wenzelm@57452
   225
  Z3 4.3.
blanchet@56118
   226
lars@55316
   227
* January 2014: Lars Hupel, TUM
lars@55316
   228
  An improved, interactive simplifier trace with integration into the
lars@55316
   229
  Isabelle/jEdit Prover IDE.
wenzelm@54055
   230
haftmann@56416
   231
* December 2013: Florian Haftmann, TUM
haftmann@56416
   232
  Consolidation of abstract interpretations concerning min and max.
haftmann@56416
   233
haftmann@56416
   234
* November 2013: Florian Haftmann, TUM
haftmann@56418
   235
  Abolition of negative numeral literals in the logic.
haftmann@56416
   236
wenzelm@55913
   237
wenzelm@53984
   238
Contributions to Isabelle2013-1
wenzelm@53984
   239
-------------------------------
wenzelm@50994
   240
noschinl@54363
   241
* September 2013: Lars Noschinski, TUM
wenzelm@54364
   242
  Conversion between function definitions as list of equations and
wenzelm@54364
   243
  case expressions in HOL.
wenzelm@54364
   244
  New library Simps_Case_Conv with commands case_of_simps,
wenzelm@54364
   245
  simps_of_case.
noschinl@54363
   246
wenzelm@53396
   247
* September 2013: Nik Sultana, University of Cambridge
wenzelm@53396
   248
  Improvements to HOL/TPTP parser and import facilities.
wenzelm@53396
   249
traytel@54029
   250
* September 2013: Johannes Hölzl and Dmitriy Traytel, TUM
traytel@54029
   251
  New "coinduction" method (residing in HOL-BNF) to avoid boilerplate.
traytel@54029
   252
wenzelm@53984
   253
* Summer 2013: Makarius Wenzel, Université Paris-Sud / LRI
wenzelm@53984
   254
  Improvements of Isabelle/Scala and Isabelle/jEdit Prover IDE.
wenzelm@53984
   255
krauss@53613
   256
* Summer 2013: Manuel Eberl, TUM
krauss@53613
   257
  Generation of elimination rules in the function package.
krauss@53613
   258
  New command "fun_cases".
krauss@53613
   259
wenzelm@54051
   260
* Summer 2013: Christian Sternagel, JAIST
wenzelm@54051
   261
  Improved support for ad hoc overloading of constants, including
wenzelm@54051
   262
  documentation and examples.
wenzelm@54051
   263
wenzelm@53396
   264
* Spring and Summer 2013: Lorenz Panny, Dmitriy Traytel, and
wenzelm@53396
   265
  Jasmin Blanchette, TUM
blanchet@56118
   266
  Various improvements to the BNF-based (co)datatype package, including
blanchet@54010
   267
  "primrec_new" and "primcorec" commands and a compatibility layer.
blanchet@53307
   268
kuncar@54021
   269
* Spring and Summer 2013: Ondrej Kuncar, TUM
wenzelm@54035
   270
  Various improvements of Lifting and Transfer packages.
kuncar@54021
   271
kuncar@54021
   272
* Spring 2013: Brian Huffman, Galois Inc.
wenzelm@54035
   273
  Improvements of the Transfer package.
wenzelm@54051
   274
blanchet@53728
   275
* Summer 2013: Daniel Kühlwein, ICIS, Radboud University Nijmegen
blanchet@53728
   276
  Jasmin Blanchette, TUM
blanchet@53728
   277
  Various improvements to MaSh, including a server mode.
blanchet@53728
   278
blanchet@53728
   279
* First half of 2013: Steffen Smolka, TUM
blanchet@53728
   280
  Further improvements to Sledgehammer's Isar proof generator.
blanchet@53728
   281
haftmann@52485
   282
* May 2013: Florian Haftmann, TUM
haftmann@52485
   283
  Ephemeral interpretation in local theories.
haftmann@52485
   284
bulwahn@52266
   285
* May 2013: Lukas Bulwahn and Nicolai Schaffroth, TUM
wenzelm@53164
   286
  Spec_Check: A Quickcheck tool for Isabelle/ML.
bulwahn@52266
   287
traytel@51682
   288
* April 2013: Stefan Berghofer, secunet Security Networks AG
traytel@51682
   289
  Dmitriy Traytel, TUM
traytel@51682
   290
  Makarius Wenzel, Université Paris-Sud / LRI
traytel@51682
   291
  Case translations as a separate check phase independent of the
traytel@51682
   292
  datatype package.
traytel@51682
   293
haftmann@51487
   294
* March 2013: Florian Haftmann, TUM
haftmann@51489
   295
  Reform of "big operators" on sets.
haftmann@51489
   296
haftmann@51489
   297
* March 2013: Florian Haftmann, TUM
haftmann@51487
   298
  Algebraic locale hierarchy for orderings and (semi)lattices.
haftmann@51487
   299
wenzelm@52503
   300
* February 2013: Florian Haftmann, TUM
wenzelm@52503
   301
  Reworking and consolidation of code generation for target language
wenzelm@52503
   302
  numerals.
haftmann@51167
   303
wenzelm@52503
   304
* February 2013: Florian Haftmann, TUM
haftmann@51173
   305
  Sieve of Eratosthenes.
haftmann@51173
   306
haftmann@51167
   307
wenzelm@50993
   308
Contributions to Isabelle2013
wenzelm@50993
   309
-----------------------------
wenzelm@47887
   310
wenzelm@49532
   311
* 2012: Makarius Wenzel, Université Paris-Sud / LRI
wenzelm@49532
   312
  Improvements of Isabelle/Scala and Isabelle/jEdit Prover IDE.
wenzelm@49532
   313
wenzelm@50648
   314
* Fall 2012: Daniel Kühlwein, ICIS, Radboud University Nijmegen
blanchet@50222
   315
  Jasmin Blanchette, TUM
blanchet@50222
   316
  Implemented Machine Learning for Sledgehammer (MaSh).
blanchet@50222
   317
blanchet@50219
   318
* Fall 2012: Steffen Smolka, TUM
wenzelm@50648
   319
  Various improvements to Sledgehammer's Isar proof generator,
wenzelm@50648
   320
  including a smart type annotation algorithm and proof shrinking.
blanchet@50219
   321
nipkow@50573
   322
* December 2012: Alessandro Coglio, Kestrel
wenzelm@50991
   323
  Contributions to HOL's Lattice library.
nipkow@50573
   324
hoelzl@50142
   325
* November 2012: Fabian Immler, TUM
wenzelm@50184
   326
  "Symbols" dockable for Isabelle/jEdit.
wenzelm@50184
   327
wenzelm@50184
   328
* November 2012: Fabian Immler, TUM
wenzelm@50184
   329
  Proof of the Daniell-Kolmogorov theorem: the existence of the limit
wenzelm@50184
   330
  of projective families.
hoelzl@50142
   331
Andreas@49770
   332
* October 2012: Andreas Lochbihler, KIT
wenzelm@50184
   333
  Efficient construction of red-black trees from sorted associative
wenzelm@50184
   334
  lists.
Andreas@49770
   335
haftmann@49190
   336
* September 2012: Florian Haftmann, TUM
haftmann@49190
   337
  Lattice instances for type option.
haftmann@49190
   338
Christian@49145
   339
* September 2012: Christian Sternagel, JAIST
Christian@49145
   340
  Consolidated HOL/Library (theories: Prefix_Order, Sublist, and
Christian@49145
   341
  Sublist_Order) w.r.t. prefixes, suffixes, and embedding on lists.
Christian@49145
   342
blanchet@48977
   343
* August 2012: Dmitriy Traytel, Andrei Popescu, Jasmin Blanchette, TUM
blanchet@49510
   344
  New BNF-based (co)datatype package.
blanchet@48977
   345
blanchet@48977
   346
* August 2012: Andrei Popescu and Dmitriy Traytel, TUM
blanchet@48977
   347
  Theories of ordinals and cardinals.
blanchet@48977
   348
wenzelm@48585
   349
* July 2012: Makarius Wenzel, Université Paris-Sud / LRI
wenzelm@48585
   350
  Advanced support for Isabelle sessions and build management, notably
wenzelm@48585
   351
  "isabelle build".
wenzelm@48585
   352
bulwahn@48111
   353
* June 2012: Felix Kuperjans, Lukas Bulwahn, TUM and Rafal Kolanski, NICTA
wenzelm@48585
   354
  Simproc for rewriting set comprehensions into pointfree expressions.
wenzelm@47887
   355
Andreas@49481
   356
* May 2012: Andreas Lochbihler, KIT
Andreas@49481
   357
  Theory of almost everywhere constant functions.
wenzelm@48124
   358
wenzelm@50648
   359
* 2010-2012: Markus Kaiser and Lukas Bulwahn, TUM
wenzelm@50648
   360
  Graphview in Scala/Swing.
wenzelm@50648
   361
wenzelm@50648
   362
wenzelm@47462
   363
Contributions to Isabelle2012
wenzelm@47462
   364
-----------------------------
wenzelm@45109
   365
hoelzl@47695
   366
* April 2012: Johannes Hölzl, TUM
wenzelm@47808
   367
  Probability: Introduced type to represent measures instead of
wenzelm@47808
   368
  locales.
hoelzl@47695
   369
hoelzl@47695
   370
* April 2012: Johannes Hölzl, Fabian Immler, TUM
hoelzl@47695
   371
  Float: Moved to Dyadic rationals to represent floating point numers.
hoelzl@47695
   372
wenzelm@47808
   373
* April 2012: Thomas Sewell, NICTA and
wenzelm@47808
   374
  2010: Sascha Boehme, TUM
wenzelm@47808
   375
  Theory HOL/Word/WordBitwise: logic/circuit expansion of bitvector
wenzelm@47808
   376
  equalities/inequalities.
thomas@47567
   377
wenzelm@47808
   378
* March 2012: Christian Sternagel, JAIST
bulwahn@47448
   379
  Consolidated theory of relation composition.
bulwahn@47448
   380
wenzelm@47413
   381
* March 2012: Nik Sultana, University of Cambridge
wenzelm@47413
   382
  HOL/TPTP parser and import facilities.
wenzelm@47413
   383
wenzelm@47462
   384
* March 2012: Cezary Kaliszyk, University of Innsbruck and
wenzelm@47462
   385
  Alexander Krauss, QAware GmbH
wenzelm@47462
   386
  Faster and more scalable Import mechanism for HOL Light proofs.
wenzelm@47462
   387
blanchet@47563
   388
* January 2012: Florian Haftmann, TUM, et al.
haftmann@46596
   389
  (Re-)Introduction of the "set" type constructor.
haftmann@46596
   390
kuncar@47700
   391
* 2012: Ondrej Kuncar, TUM
wenzelm@47808
   392
  New package Lifting, various improvements and refinements to the
wenzelm@47808
   393
  Quotient package.
kuncar@47700
   394
blanchet@47563
   395
* 2011/2012: Jasmin Blanchette, TUM
blanchet@47563
   396
  Various improvements to Sledgehammer, notably: tighter integration
wenzelm@47808
   397
  with SPASS, support for more provers (Alt-Ergo, iProver,
wenzelm@47808
   398
  iProver-Eq).
blanchet@47563
   399
wenzelm@47462
   400
* 2011/2012: Makarius Wenzel, Université Paris-Sud / LRI
wenzelm@47485
   401
  Various refinements of local theory infrastructure.
wenzelm@47462
   402
  Improvements of Isabelle/Scala layer and Isabelle/jEdit Prover IDE.
krauss@47265
   403
wenzelm@45109
   404
wenzelm@44801
   405
Contributions to Isabelle2011-1
wenzelm@44801
   406
-------------------------------
wenzelm@41651
   407
haftmann@44818
   408
* September 2011: Peter Gammie
huffman@44908
   409
  Theory HOL/Library/Saturated: numbers with saturated arithmetic.
haftmann@44818
   410
haftmann@44818
   411
* August 2011: Florian Haftmann, Johannes Hölzl and Lars Noschinski, TUM
haftmann@44818
   412
  Refined theory on complete lattices.
haftmann@44818
   413
wenzelm@44967
   414
* August 2011: Brian Huffman, Portland State University
wenzelm@44967
   415
  Miscellaneous cleanup of Complex_Main and Multivariate_Analysis.
wenzelm@44967
   416
wenzelm@44967
   417
* June 2011: Brian Huffman, Portland State University
wenzelm@44967
   418
  Proof method "countable_datatype" for theory Library/Countable.
wenzelm@44967
   419
wenzelm@44967
   420
* 2011: Jasmin Blanchette, TUM
wenzelm@44967
   421
  Various improvements to Sledgehammer, notably: use of sound
wenzelm@44967
   422
  translations, support for more provers (Waldmeister, LEO-II,
wenzelm@44967
   423
  Satallax). Further development of Nitpick and 'try' command.
wenzelm@44967
   424
wenzelm@44967
   425
* 2011: Andreas Lochbihler, Karlsruhe Institute of Technology
wenzelm@44967
   426
  Theory HOL/Library/Cset_Monad allows do notation for computable sets
wenzelm@44967
   427
  (cset) via the generic monad ad-hoc overloading facility.
wenzelm@44967
   428
wenzelm@44967
   429
* 2011: Johannes Hölzl, Armin Heller, TUM and
wenzelm@44967
   430
  Bogdan Grechuk, University of Edinburgh
wenzelm@44967
   431
  Theory HOL/Library/Extended_Reals: real numbers extended with plus
wenzelm@44967
   432
  and minus infinity.
wenzelm@44967
   433
wenzelm@44882
   434
* 2011: Makarius Wenzel, Université Paris-Sud / LRI
wenzelm@44882
   435
  Various building blocks for Isabelle/Scala layer and Isabelle/jEdit
wenzelm@44882
   436
  Prover IDE.
wenzelm@44882
   437
huffman@44908
   438
wenzelm@41512
   439
Contributions to Isabelle2011
wenzelm@41512
   440
-----------------------------
wenzelm@37383
   441
berghofe@41567
   442
* January 2011: Stefan Berghofer, secunet Security Networks AG
berghofe@41567
   443
  HOL-SPARK: an interactive prover back-end for SPARK.
berghofe@41567
   444
wenzelm@40379
   445
* October 2010: Bogdan Grechuk, University of Edinburgh
wenzelm@40379
   446
  Extended convex analysis in Multivariate Analysis.
wenzelm@40379
   447
wenzelm@40287
   448
* October 2010: Dmitriy Traytel, TUM
wenzelm@40287
   449
  Coercive subtyping via subtype constraints.
wenzelm@40287
   450
krauss@41531
   451
* October 2010: Alexander Krauss, TUM
krauss@41531
   452
  Command partial_function for function definitions based on complete
krauss@41531
   453
  partial orders in HOL.
krauss@41531
   454
haftmann@39644
   455
* September 2010: Florian Haftmann, TUM
wenzelm@41596
   456
  Refined concepts for evaluation, i.e., normalization of terms using
krauss@41531
   457
  different techniques.
haftmann@40120
   458
haftmann@40120
   459
* September 2010: Florian Haftmann, TUM
haftmann@39644
   460
  Code generation for Scala.
haftmann@39644
   461
hoelzl@38656
   462
* August 2010: Johannes Hoelzl, Armin Heller, and Robert Himmelmann, TUM
wenzelm@41596
   463
  Improved Probability theory in HOL.
hoelzl@38656
   464
haftmann@38461
   465
* July 2010: Florian Haftmann, TUM
haftmann@39644
   466
  Reworking and extension of the Imperative HOL framework.
haftmann@38461
   467
wenzelm@41596
   468
* July 2010: Alexander Krauss, TUM and Christian Sternagel, University
wenzelm@41596
   469
    of Innsbruck
krauss@41531
   470
  Ad-hoc overloading. Generic do notation for monads.
krauss@41531
   471
wenzelm@37383
   472
wenzelm@37144
   473
Contributions to Isabelle2009-2
wenzelm@41512
   474
-------------------------------
wenzelm@33951
   475
krauss@37303
   476
* 2009/2010: Stefan Berghofer, Alexander Krauss, and Andreas Schropp, TUM,
krauss@37303
   477
  Makarius Wenzel, TUM / LRI
krauss@37303
   478
  Elimination of type classes from proof terms.
krauss@37303
   479
wenzelm@37144
   480
* April 2010: Florian Haftmann, TUM
haftmann@36416
   481
  Reorganization of abstract algebra type classes.
haftmann@36416
   482
wenzelm@37144
   483
* April 2010: Florian Haftmann, TUM
haftmann@36416
   484
  Code generation for data representations involving invariants;
haftmann@36416
   485
  various collections avaiable in theories Fset, Dlist, RBT,
haftmann@36416
   486
  Mapping and AssocList.
haftmann@36416
   487
wenzelm@37144
   488
* March 2010: Sascha Boehme, TUM
wenzelm@37144
   489
  Efficient SHA1 library for Poly/ML.
wenzelm@37144
   490
wenzelm@37282
   491
* February 2010: Cezary Kaliszyk and Christian Urban, TUM
wenzelm@37282
   492
  Quotient type package for Isabelle/HOL.
wenzelm@37282
   493
wenzelm@26874
   494
wenzelm@33842
   495
Contributions to Isabelle2009-1
wenzelm@33842
   496
-------------------------------
bulwahn@33649
   497
haftmann@33862
   498
* November 2009, Brian Huffman, PSU
haftmann@33862
   499
  New definitional domain package for HOLCF.
haftmann@33862
   500
hoelzl@33759
   501
* November 2009: Robert Himmelmann, TUM
haftmann@33862
   502
  Derivation and Brouwer's fixpoint theorem in Multivariate Analysis.
hoelzl@33759
   503
wenzelm@33842
   504
* November 2009: Stefan Berghofer and Lukas Bulwahn, TUM
wenzelm@33842
   505
  A tabled implementation of the reflexive transitive closure.
bulwahn@33649
   506
bulwahn@33627
   507
* November 2009: Lukas Bulwahn, TUM
wenzelm@33842
   508
  Predicate Compiler: a compiler for inductive predicates to
wenzelm@33843
   509
  equational specifications.
blanchet@48977
   510
wenzelm@33897
   511
* November 2009: Sascha Boehme, TUM and Burkhart Wolff, LRI Paris
wenzelm@33842
   512
  HOL-Boogie: an interactive prover back-end for Boogie and VCC.
boehmes@33419
   513
blanchet@33192
   514
* October 2009: Jasmin Blanchette, TUM
wenzelm@33842
   515
  Nitpick: yet another counterexample generator for Isabelle/HOL.
blanchet@33192
   516
boehmes@33010
   517
* October 2009: Sascha Boehme, TUM
wenzelm@33182
   518
  Extension of SMT method: proof-reconstruction for the SMT solver Z3.
boehmes@33010
   519
boehmes@33010
   520
* October 2009: Florian Haftmann, TUM
wenzelm@33182
   521
  Refinement of parts of the HOL datatype package.
haftmann@33005
   522
boehmes@33010
   523
* October 2009: Florian Haftmann, TUM
wenzelm@33182
   524
  Generic term styles for term antiquotations.
haftmann@33005
   525
wenzelm@32762
   526
* September 2009: Thomas Sewell, NICTA
wenzelm@33182
   527
  More efficient HOL/record implementation.
wenzelm@32762
   528
boehmes@32618
   529
* September 2009: Sascha Boehme, TUM
wenzelm@33182
   530
  SMT method using external SMT solvers.
boehmes@32618
   531
haftmann@32600
   532
* September 2009: Florian Haftmann, TUM
wenzelm@33182
   533
  Refinement of sets and lattices.
haftmann@32600
   534
haftmann@32600
   535
* July 2009: Jeremy Avigad and Amine Chaieb
wenzelm@33182
   536
  New number theory.
haftmann@32600
   537
Philipp@32268
   538
* July 2009: Philipp Meyer, TUM
wenzelm@33182
   539
  HOL/Library/Sum_Of_Squares: functionality to call a remote csdp
wenzelm@33182
   540
  prover.
Philipp@32268
   541
haftmann@31997
   542
* July 2009: Florian Haftmann, TUM
wenzelm@33182
   543
  New quickcheck implementation using new code generator.
haftmann@31997
   544
haftmann@31997
   545
* July 2009: Florian Haftmann, TUM
haftmann@39644
   546
  HOL/Library/Fset: an explicit type of sets; finite sets ready to use
wenzelm@33182
   547
  for code generation.
haftmann@31466
   548
haftmann@31466
   549
* June 2009: Florian Haftmann, TUM
wenzelm@33843
   550
  HOL/Library/Tree: search trees implementing mappings, ready to use
wenzelm@33182
   551
  for code generation.
wenzelm@30978
   552
Philipp@32268
   553
* March 2009: Philipp Meyer, TUM
wenzelm@33843
   554
  Minimization tool for results from Sledgehammer.
wenzelm@33182
   555
Philipp@32268
   556
wenzelm@30978
   557
Contributions to Isabelle2009
wenzelm@30978
   558
-----------------------------
wenzelm@30978
   559
wenzelm@30383
   560
* March 2009: Robert Himmelmann, TUM and Amine Chaieb, University of
wenzelm@30383
   561
  Cambridge
wenzelm@30383
   562
  Elementary topology in Euclidean space.
wenzelm@30383
   563
wenzelm@30886
   564
* March 2009: Johannes Hoelzl, TUM
wenzelm@30886
   565
  Method "approximation", which proves real valued inequalities by
wenzelm@30886
   566
  computation.
wenzelm@30886
   567
wenzelm@30179
   568
* February 2009: Filip Maric, Univ. of Belgrade
wenzelm@30179
   569
  A Serbian theory.
wenzelm@30179
   570
wenzelm@30162
   571
* February 2009: Jasmin Christian Blanchette, TUM
wenzelm@30154
   572
  Misc cleanup of HOL/refute.
wenzelm@30154
   573
wenzelm@30162
   574
* February 2009: Timothy Bourke, NICTA
kleing@29883
   575
  New find_consts command.
kleing@29883
   576
wenzelm@30162
   577
* February 2009: Timothy Bourke, NICTA
kleing@29861
   578
  "solves" criterion for find_theorems and auto_solve option
kleing@29861
   579
haftmann@29398
   580
* December 2008: Clemens Ballarin, TUM
haftmann@29398
   581
  New locale implementation.
haftmann@29398
   582
krauss@29182
   583
* December 2008: Armin Heller, TUM and Alexander Krauss, TUM
krauss@29182
   584
  Method "sizechange" for advanced termination proofs.
krauss@29182
   585
kleing@28901
   586
* November 2008: Timothy Bourke, NICTA
kleing@28901
   587
  Performance improvement (factor 50) for find_theorems.
kleing@28901
   588
haftmann@29398
   589
* 2008: Florian Haftmann, TUM
haftmann@29398
   590
  Various extensions and restructurings in HOL, improvements
haftmann@29398
   591
  in evaluation mechanisms, new module binding.ML for name bindings.
haftmann@29398
   592
wenzelm@28604
   593
* October 2008: Fabian Immler, TUM
wenzelm@28604
   594
  ATP manager for Sledgehammer, based on ML threads instead of Posix
wenzelm@28604
   595
  processes.  Additional ATP wrappers, including remote SystemOnTPTP
wenzelm@28604
   596
  services.
wenzelm@28604
   597
wenzelm@30162
   598
* September 2008: Stefan Berghofer, TUM and Marc Bezem, Univ. Bergen
wenzelm@30162
   599
  Prover for coherent logic.
wenzelm@30162
   600
wenzelm@28474
   601
* August 2008: Fabian Immler, TUM
wenzelm@28474
   602
  Vampire wrapper script for remote SystemOnTPTP service.
wenzelm@28474
   603
wenzelm@28474
   604
wenzelm@28474
   605
Contributions to Isabelle2008
wenzelm@28474
   606
-----------------------------
wenzelm@28474
   607
wenzelm@27009
   608
* 2007/2008:
wenzelm@27009
   609
  Alexander Krauss, TUM and Florian Haftmann, TUM and Stefan Berghofer, TUM
wenzelm@27009
   610
  HOL library improvements.
wenzelm@25468
   611
wenzelm@27009
   612
* 2007/2008: Brian Huffman, PSU
wenzelm@27009
   613
  HOLCF library improvements.
wenzelm@27009
   614
wenzelm@27009
   615
* 2007/2008: Stefan Berghofer, TUM
wenzelm@30179
   616
  HOL-Nominal package improvements.
wenzelm@27009
   617
wenzelm@27009
   618
* March 2008: Markus Reiter, TUM
wenzelm@27009
   619
  HOL/Library/RBT: red-black trees.
haftmann@26728
   620
wenzelm@26874
   621
* February 2008: Alexander Krauss, TUM and Florian Haftmann, TUM and
wenzelm@26874
   622
  Lukas Bulwahn, TUM and John Matthews, Galois:
wenzelm@26874
   623
  HOL/Library/Imperative_HOL: Haskell-style imperative data structures
wenzelm@26874
   624
  for HOL.
haftmann@26728
   625
wenzelm@27009
   626
* December 2007: Norbert Schirmer, Uni Saarbruecken
wenzelm@27009
   627
  Misc improvements of record package in HOL.
wenzelm@27009
   628
wenzelm@27009
   629
* December 2007: Florian Haftmann, TUM
wenzelm@27009
   630
  Overloading and class instantiation target.
wenzelm@27009
   631
wenzelm@27009
   632
* December 2007: Florian Haftmann, TUM
wenzelm@27009
   633
  New version of primrec package for local theories.
wenzelm@27009
   634
wenzelm@27009
   635
* December 2007: Alexander Krauss, TUM
wenzelm@27009
   636
  Method "induction_scheme" in HOL.
wenzelm@27009
   637
wenzelm@27009
   638
* November 2007: Peter Lammich, Uni Muenster
wenzelm@27009
   639
  HOL-Lattice: some more lemmas.
wenzelm@26198
   640
wenzelm@26874
   641
wenzelm@25454
   642
Contributions to Isabelle2007
wenzelm@25454
   643
-----------------------------
wenzelm@23252
   644
schirmer@25409
   645
* October 2007: Norbert Schirmer, TUM / Uni Saarbruecken
wenzelm@25398
   646
  State Spaces: The Locale Way (in HOL).
wenzelm@25398
   647
wenzelm@25057
   648
* October 2007: Mark A. Hillebrand, DFKI
wenzelm@25057
   649
  Robust sub/superscripts in LaTeX document output.
wenzelm@25057
   650
wenzelm@24799
   651
* August 2007: Jeremy Dawson, NICTA and Paul Graunke, Galois and Brian
wenzelm@24799
   652
    Huffman, PSU and Gerwin Klein, NICTA and John Matthews, Galois
kleing@24333
   653
  HOL-Word: a library for fixed-size machine words in Isabelle.
kleing@24333
   654
kleing@24332
   655
* August 2007: Brian Huffman, PSU
wenzelm@24799
   656
  HOL/Library/Boolean_Algebra and HOL/Library/Numeral_Type.
kleing@24332
   657
wenzelm@23252
   658
* June 2007: Amine Chaieb, TUM
wenzelm@24799
   659
  Semiring normalization and Groebner Bases.
wenzelm@25449
   660
  Support for dense linear orders.
wenzelm@17866
   661
paulson@23449
   662
* June 2007: Joe Hurd, Oxford
wenzelm@24799
   663
  Metis theorem-prover.
wenzelm@24799
   664
wenzelm@24799
   665
* 2007: Kong W. Susanto, Cambridge
wenzelm@24799
   666
  HOL: Metis prover integration.
paulson@23449
   667
wenzelm@24799
   668
* 2007: Stefan Berghofer, TUM
wenzelm@25449
   669
  HOL: inductive predicates and sets.
wenzelm@24799
   670
wenzelm@24803
   671
* 2007: Norbert Schirmer, TUM
wenzelm@24803
   672
  HOL/record: misc improvements.
wenzelm@24803
   673
wenzelm@24799
   674
* 2006/2007: Alexander Krauss, TUM
wenzelm@24799
   675
  HOL: function package and related theories on termination.
paulson@23449
   676
haftmann@22449
   677
* 2006/2007: Florian Haftmann, TUM
haftmann@22449
   678
  Pure: generic code generator framework.
haftmann@22449
   679
  Pure: class package.
wenzelm@24799
   680
  HOL: theory reorganization, code generator setup.
wenzelm@24799
   681
wenzelm@25449
   682
* 2006/2007: Christian Urban, TUM and Stefan Berghofer, TUM and
wenzelm@25449
   683
    Julien Narboux, TUM
wenzelm@24799
   684
  HOL/Nominal package and related tools.
haftmann@22449
   685
wenzelm@21242
   686
* November 2006: Lukas Bulwahn, TUM
wenzelm@24799
   687
  HOL: method "lexicographic_order" for function package.
wenzelm@21242
   688
wenzelm@21169
   689
* October 2006: Stefan Hohe, TUM
wenzelm@21169
   690
  HOL-Algebra: ideals and quotients over rings.
wenzelm@21169
   691
wenzelm@20340
   692
* August 2006: Amine Chaieb, TUM
wenzelm@20340
   693
  Experimental support for generic reflection and reification in HOL.
wenzelm@20340
   694
kleing@20067
   695
* July 2006: Rafal Kolanski, NICTA
kleing@20067
   696
  Hex (0xFF) and binary (0b1011) numerals.
kleing@20067
   697
nipkow@19896
   698
* May 2006: Klaus Aehlig, LMU
nipkow@19896
   699
  Command 'normal_form': normalization by evaluation.
nipkow@19896
   700
wenzelm@19650
   701
* May 2006: Amine Chaieb, TUM
wenzelm@19650
   702
  HOL-Complex: Ferrante and Rackoff Algorithm for linear real
wenzelm@19650
   703
  arithmetic.
kleing@19470
   704
kleing@19470
   705
* February 2006: Benjamin Porter, NICTA
kleing@23382
   706
  HOL and HOL-Complex: generalised mean value theorem, continuum is
kleing@19470
   707
  not denumerable, harmonic and arithmetic series, and denumerability
kleing@19470
   708
  of rationals.
wenzelm@17532
   709
wenzelm@19650
   710
* October 2005: Martin Wildmoser, TUM
wenzelm@19650
   711
  Sketch for Isar 'guess' element.
wenzelm@19650
   712
wenzelm@19650
   713
wenzelm@25454
   714
Contributions to Isabelle2005
wenzelm@25454
   715
-----------------------------
wenzelm@17382
   716
wenzelm@17640
   717
* September 2005: Lukas Bulwahn and Bernhard Haeupler, TUM
wenzelm@17640
   718
  HOL-Complex: Formalization of Taylor series.
wenzelm@17640
   719
wenzelm@17640
   720
* September 2005: Stephan Merz, Alwen Tiu, QSL Loria
wenzelm@17640
   721
  Components for SAT solver method using zChaff.
wenzelm@17640
   722
wenzelm@17534
   723
* September 2005: Ning Zhang and Christian Urban, LMU Munich
wenzelm@17534
   724
  A Chinese theory.
wenzelm@17534
   725
wenzelm@17562
   726
* September 2005: Bernhard Haeupler, TUM
wenzelm@17382
   727
  Method comm_ring for proving equalities in commutative rings.
wenzelm@16892
   728
wenzelm@17532
   729
* July/August 2005: Jeremy Avigad, Carnegie Mellon University
wenzelm@16892
   730
  Various improvements of the HOL and HOL-Complex library.
wenzelm@16868
   731
wenzelm@16892
   732
* July 2005: Florian Zuleger, Johannes Hoelzl, and Simon Funke, TUM
wenzelm@16892
   733
  Some structured proofs about completeness of real numbers.
wenzelm@16892
   734
wenzelm@17532
   735
* May 2005: Rafal Kolanski and Gerwin Klein, NICTA
wenzelm@17532
   736
  Improved retrieval of facts from theory/proof context.
wenzelm@15994
   737
wenzelm@16252
   738
* February 2005: Lucas Dixon, University of Edinburgh
wenzelm@17532
   739
  Improved subst method.
wenzelm@17532
   740
wenzelm@17532
   741
* 2005: Brian Huffman, OGI
wenzelm@17532
   742
  Various improvements of HOLCF.
wenzelm@17532
   743
  Some improvements of the HOL-Complex library.
wenzelm@17532
   744
wenzelm@17532
   745
* 2005: Claire Quigley and Jia Meng, University of Cambridge
wenzelm@17532
   746
  Some support for asynchronous communication with external provers
wenzelm@17532
   747
  (experimental).
wenzelm@17532
   748
wenzelm@17532
   749
* 2005: Florian Haftmann, TUM
wenzelm@17543
   750
  Contributions to document 'sugar'.
wenzelm@17532
   751
  Various ML combinators, notably linear functional transformations.
wenzelm@17532
   752
  Some cleanup of ML legacy.
wenzelm@17532
   753
  Additional antiquotations.
wenzelm@17532
   754
  Improved Isabelle web site.
wenzelm@17532
   755
wenzelm@17532
   756
* 2004/2005: David Aspinall, University of Edinburgh
wenzelm@17532
   757
  Various elements of XML and PGIP based communication with user
wenzelm@17532
   758
  interfaces (experimental).
wenzelm@17532
   759
wenzelm@17532
   760
* 2004/2005: Gerwin Klein, NICTA
wenzelm@17532
   761
  Contributions to document 'sugar'.
wenzelm@17532
   762
  Improved Isabelle web site.
wenzelm@17532
   763
  Improved HTML presentation of theories.
wenzelm@17532
   764
wenzelm@17532
   765
* 2004/2005: Clemens Ballarin, TUM
wenzelm@17532
   766
  Provers: tools for transitive relations and quasi orders.
wenzelm@17532
   767
  Improved version of locales, notably interpretation of locales.
wenzelm@17532
   768
  Improved version of HOL-Algebra.
wenzelm@17532
   769
wenzelm@17532
   770
* 2004/2005: Amine Chaieb, TUM
wenzelm@17532
   771
  Improved version of HOL presburger method.
wenzelm@17532
   772
wenzelm@17532
   773
* 2004/2005: Steven Obua, TUM
wenzelm@17532
   774
  Improved version of HOL/Import, support for HOL-Light.
wenzelm@17532
   775
  Improved version of HOL-Complex-Matrix.
wenzelm@17572
   776
  Pure/defs: more sophisticated checks on well-formedness of overloading.
wenzelm@17543
   777
  Pure/Tools: an experimental evaluator for lambda terms.
wenzelm@17532
   778
wenzelm@17532
   779
* 2004/2005: Norbert Schirmer, TUM
wenzelm@17532
   780
  Contributions to document 'sugar'.
wenzelm@17532
   781
  Improved version of HOL/record.
wenzelm@17532
   782
wenzelm@17532
   783
* 2004/2005: Sebastian Skalberg, TUM
wenzelm@17532
   784
  Improved version of HOL/Import.
wenzelm@17532
   785
  Some internal ML reorganizations.
wenzelm@17532
   786
wenzelm@17532
   787
* 2004/2005: Tjark Weber, TUM
wenzelm@17640
   788
  SAT solver method using zChaff.
wenzelm@17532
   789
  Improved version of HOL/refute.
wenzelm@62098
   790
wenzelm@62098
   791
:maxLineLen=78: