NEWS
author nipkow
Wed, 28 Jan 2009 21:49:25 +0100
changeset 29671 c82a76a66e80
parent 29650 cc3958d31b1d
child 29788 1b80ebe713a4
permissions -rw-r--r--
-
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5363
0cf15843b82f isatool install;
wenzelm
parents: 5332
diff changeset
     1
Isabelle NEWS -- history user-relevant changes
0cf15843b82f isatool install;
wenzelm
parents: 5332
diff changeset
     2
==============================================
2553
ed941505cab7 Isabelle NEWS -- history of user-visible changes;
wenzelm
parents:
diff changeset
     3
27122
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
     4
New in this Isabelle version
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
     5
----------------------------
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
     6
27599
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
     7
*** General ***
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
     8
28504
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
     9
* Simplified main Isabelle executables, with less surprises on
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    10
case-insensitive file-systems (such as Mac OS).
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    11
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    12
  - The main Isabelle tool wrapper is now called "isabelle" instead of
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    13
    "isatool."
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    14
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    15
  - The former "isabelle" alias for "isabelle-process" has been
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    16
    removed (should rarely occur to regular users).
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    17
28915
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
    18
  - The former "isabelle-interface" and its alias "Isabelle" have been
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
    19
    removed (interfaces are now regular Isabelle tools).
28504
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    20
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    21
Within scripts and make files, the Isabelle environment variables
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    22
ISABELLE_TOOL and ISABELLE_PROCESS replace old ISATOOL and ISABELLE,
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    23
respectively.  (The latter are still available as legacy feature.)
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    24
28915
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
    25
The old isabelle-interface wrapper could react in confusing ways if
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
    26
the interface was uninstalled or changed otherwise.  Individual
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
    27
interface tool configuration is now more explicit, see also the
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
    28
Isabelle system manual.  In particular, Proof General is now available
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
    29
via "isabelle emacs".
28504
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    30
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    31
INCOMPATIBILITY, need to adapt derivative scripts.  Users may need to
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    32
purge installed copies of Isabelle executables and re-run "isabelle
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    33
install -p ...", or use symlinks.
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
    34
28914
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
    35
* The default for ISABELLE_HOME_USER is now ~/.isabelle instead of the
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
    36
old ~/isabelle, which was slightly non-standard and apt cause
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
    37
surprises on case-insensitive file-systems.
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
    38
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
    39
INCOMPATIBILITY, need to move existing ~/isabelle/etc,
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
    40
~/isabelle/heaps, ~/isabelle/browser_info to the new place.  Special
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
    41
care is required when using older releases of Isabelle.  Note that
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
    42
ISABELLE_HOME_USER can be changed in Isabelle/etc/settings of any
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
    43
Isabelle distribution.
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
    44
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
    45
* Proofs of fully specified statements are run in parallel on
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
    46
multi-core systems.  A speedup factor of 2-3 can be expected on a
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
    47
regular 4-core machine, if the initial heap space is made reasonably
29162
wenzelm
parents: 29161
diff changeset
    48
large (cf. Poly/ML option -H).  [Poly/ML 5.2.1 or later]
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
    49
28252
79b8efed66bf updated system manual;
wenzelm
parents: 28248
diff changeset
    50
* The Isabelle System Manual (system) has been updated, with formally
79b8efed66bf updated system manual;
wenzelm
parents: 28248
diff changeset
    51
checked references as hyperlinks.
79b8efed66bf updated system manual;
wenzelm
parents: 28248
diff changeset
    52
27599
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
    53
* Generalized Isar history, with support for linear undo, direct state
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
    54
addressing etc.
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
    55
27191
0fe5b95797da * Recovered hiding of consts;
wenzelm
parents: 27145
diff changeset
    56
* Recovered hiding of consts, which was accidentally broken in
0fe5b95797da * Recovered hiding of consts;
wenzelm
parents: 27145
diff changeset
    57
Isabelle2007.  Potential INCOMPATIBILITY, ``hide const c'' really
0fe5b95797da * Recovered hiding of consts;
wenzelm
parents: 27145
diff changeset
    58
makes c inaccessible; consider using ``hide (open) const c'' instead.
0fe5b95797da * Recovered hiding of consts;
wenzelm
parents: 27145
diff changeset
    59
27599
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
    60
* Removed exotic 'token_translation' command.  INCOMPATIBILITY, use ML
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
    61
interface instead.
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
    62
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
    63
* There is a new syntactic category "float_const" for signed decimal
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
    64
fractions (e.g. 123.45 or -123.45).
28964
nipkow
parents: 28952
diff changeset
    65
27599
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
    66
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
    67
*** Pure ***
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
    68
29608
564ea783ace8 no base sort in class import
haftmann
parents: 29398
diff changeset
    69
* Class declaration: sc. "base sort" must not be given in import list
564ea783ace8 no base sort in class import
haftmann
parents: 29398
diff changeset
    70
any longer but is inferred from the specification.  Particularly in HOL,
564ea783ace8 no base sort in class import
haftmann
parents: 29398
diff changeset
    71
write
564ea783ace8 no base sort in class import
haftmann
parents: 29398
diff changeset
    72
564ea783ace8 no base sort in class import
haftmann
parents: 29398
diff changeset
    73
    class foo = ...     instead of      class foo = type + ...
564ea783ace8 no base sort in class import
haftmann
parents: 29398
diff changeset
    74
29616
e8c121c64475 binding replaces Binding.T
haftmann
parents: 29608
diff changeset
    75
* Type binding gradually replaces formerly used type bstring for names
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28952
diff changeset
    76
to be bound.  Name space interface for declarations has been simplified:
1de908189869 cleaned up binding module and related code
haftmann
parents: 28952
diff changeset
    77
1de908189869 cleaned up binding module and related code
haftmann
parents: 28952
diff changeset
    78
  NameSpace.declare: NameSpace.naming
29616
e8c121c64475 binding replaces Binding.T
haftmann
parents: 29608
diff changeset
    79
    -> binding -> NameSpace.T -> string * NameSpace.T
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28952
diff changeset
    80
  NameSpace.bind: NameSpace.naming
29616
e8c121c64475 binding replaces Binding.T
haftmann
parents: 29608
diff changeset
    81
    -> binding * 'a -> 'a NameSpace.table -> string * 'a NameSpace.table
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28952
diff changeset
    82
         (*exception Symtab.DUP*)
1de908189869 cleaned up binding module and related code
haftmann
parents: 28952
diff changeset
    83
1de908189869 cleaned up binding module and related code
haftmann
parents: 28952
diff changeset
    84
See further modules src/Pure/General/binding.ML and
1de908189869 cleaned up binding module and related code
haftmann
parents: 28952
diff changeset
    85
src/Pure/General/name_space.ML
1de908189869 cleaned up binding module and related code
haftmann
parents: 28952
diff changeset
    86
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
    87
* Module moves in repository:
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
    88
    src/Pure/Tools/value.ML ~> src/Tools/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
    89
    src/Pure/Tools/quickcheck.ML ~> src/Tools/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
    90
28856
5e009a80fe6d Pure syntax: more coherent treatment of aprop, permanent TERM and &&&;
wenzelm
parents: 28855
diff changeset
    91
* Slightly more coherent Pure syntax, with updated documentation in
5e009a80fe6d Pure syntax: more coherent treatment of aprop, permanent TERM and &&&;
wenzelm
parents: 28855
diff changeset
    92
isar-ref manual.  Removed locales meta_term_syntax and
5e009a80fe6d Pure syntax: more coherent treatment of aprop, permanent TERM and &&&;
wenzelm
parents: 28855
diff changeset
    93
meta_conjunction_syntax: TERM and &&& (formerly &&) are now permanent,
5e009a80fe6d Pure syntax: more coherent treatment of aprop, permanent TERM and &&&;
wenzelm
parents: 28855
diff changeset
    94
INCOMPATIBILITY in rare situations.
5e009a80fe6d Pure syntax: more coherent treatment of aprop, permanent TERM and &&&;
wenzelm
parents: 28855
diff changeset
    95
28629
c5a915b45390 goal-directed proof now enforces strict proof irrelevance wrt. sort hypotheses;
wenzelm
parents: 28606
diff changeset
    96
* Goal-directed proof now enforces strict proof irrelevance wrt. sort
c5a915b45390 goal-directed proof now enforces strict proof irrelevance wrt. sort hypotheses;
wenzelm
parents: 28606
diff changeset
    97
hypotheses.  Sorts required in the course of reasoning need to be
c5a915b45390 goal-directed proof now enforces strict proof irrelevance wrt. sort hypotheses;
wenzelm
parents: 28606
diff changeset
    98
covered by the constraints in the initial statement, completed by the
c5a915b45390 goal-directed proof now enforces strict proof irrelevance wrt. sort hypotheses;
wenzelm
parents: 28606
diff changeset
    99
type instance information of the background theory.  Non-trivial sort
c5a915b45390 goal-directed proof now enforces strict proof irrelevance wrt. sort hypotheses;
wenzelm
parents: 28606
diff changeset
   100
hypotheses, which rarely occur in practice, may be specified via
28633
wenzelm
parents: 28631
diff changeset
   101
vacuous propositions of the form SORT_CONSTRAINT('a::c).  For example:
28629
c5a915b45390 goal-directed proof now enforces strict proof irrelevance wrt. sort hypotheses;
wenzelm
parents: 28606
diff changeset
   102
c5a915b45390 goal-directed proof now enforces strict proof irrelevance wrt. sort hypotheses;
wenzelm
parents: 28606
diff changeset
   103
  lemma assumes "SORT_CONSTRAINT('a::empty)" shows False ...
c5a915b45390 goal-directed proof now enforces strict proof irrelevance wrt. sort hypotheses;
wenzelm
parents: 28606
diff changeset
   104
c5a915b45390 goal-directed proof now enforces strict proof irrelevance wrt. sort hypotheses;
wenzelm
parents: 28606
diff changeset
   105
The result contains an implicit sort hypotheses as before --
28631
wenzelm
parents: 28629
diff changeset
   106
SORT_CONSTRAINT premises are eliminated as part of the canonical rule
wenzelm
parents: 28629
diff changeset
   107
normalization.
28629
c5a915b45390 goal-directed proof now enforces strict proof irrelevance wrt. sort hypotheses;
wenzelm
parents: 28606
diff changeset
   108
28178
e56b8b044bef * Changed defaults for unify configuration options;
wenzelm
parents: 28143
diff changeset
   109
* Changed defaults for unify configuration options:
e56b8b044bef * Changed defaults for unify configuration options;
wenzelm
parents: 28143
diff changeset
   110
e56b8b044bef * Changed defaults for unify configuration options;
wenzelm
parents: 28143
diff changeset
   111
  unify_trace_bound = 50 (formerly 25)
e56b8b044bef * Changed defaults for unify configuration options;
wenzelm
parents: 28143
diff changeset
   112
  unify_search_bound = 60 (formerly 30)
e56b8b044bef * Changed defaults for unify configuration options;
wenzelm
parents: 28143
diff changeset
   113
28143
e5c6c4aac52c different bookkeeping for code equations
haftmann
parents: 28114
diff changeset
   114
* Different bookkeeping for code equations:
e5c6c4aac52c different bookkeeping for code equations
haftmann
parents: 28114
diff changeset
   115
  a) On theory merge, the last set of code equations for a particular constant
e5c6c4aac52c different bookkeeping for code equations
haftmann
parents: 28114
diff changeset
   116
     is taken (in accordance with the policy applied by other parts of the
e5c6c4aac52c different bookkeeping for code equations
haftmann
parents: 28114
diff changeset
   117
     code generator framework).
e5c6c4aac52c different bookkeeping for code equations
haftmann
parents: 28114
diff changeset
   118
  b) Code equations stemming from explicit declarations (e.g. code attribute)
e5c6c4aac52c different bookkeeping for code equations
haftmann
parents: 28114
diff changeset
   119
     gain priority over default code equations stemming from definition, primrec,
e5c6c4aac52c different bookkeeping for code equations
haftmann
parents: 28114
diff changeset
   120
     fun etc.
e5c6c4aac52c different bookkeeping for code equations
haftmann
parents: 28114
diff changeset
   121
  INCOMPATIBILITY.
e5c6c4aac52c different bookkeeping for code equations
haftmann
parents: 28114
diff changeset
   122
28058
309c0a92e0da dropped parameter prefix for class theorems
haftmann
parents: 27979
diff changeset
   123
* Global versions of theorems stemming from classes do not carry
309c0a92e0da dropped parameter prefix for class theorems
haftmann
parents: 27979
diff changeset
   124
a parameter prefix any longer.  INCOMPATIBILITY.
309c0a92e0da dropped parameter prefix for class theorems
haftmann
parents: 27979
diff changeset
   125
28710
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   126
* Dropped locale element "includes".  This is a major INCOMPATIBILITY.
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   127
In existing theorem specifications replace the includes element by the
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   128
respective context elements of the included locale, omitting those that
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   129
are already present in the theorem specification.  Multiple assume
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   130
elements of a locale should be replaced by a single one involving the
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   131
locale predicate.  In the proof body, declarations (most notably
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   132
theorems) may be regained by interpreting the respective locales in the
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   133
proof context as required (command "interpret").
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   134
If using "includes" in replacement of a target solely because the
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   135
parameter types in the theorem are not as general as in the target,
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   136
consider declaring a new locale with additional type constraints on the
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   137
parameters (context element "constrains").
e2064974c114 Dropped context element 'includes'.
ballarin
parents: 28700
diff changeset
   138
29253
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   139
* Dropped "locale (open)".  INCOMPATIBILITY.
27761
b95e9ba0ca1d Interpretation command (theory/proof context) no longer simplifies goal.
ballarin
parents: 27717
diff changeset
   140
28085
914183e229e9 Interpretation commands no longer accept interpretation attributes.
ballarin
parents: 28067
diff changeset
   141
* Interpretation commands no longer attempt to simplify goal.
27761
b95e9ba0ca1d Interpretation command (theory/proof context) no longer simplifies goal.
ballarin
parents: 27717
diff changeset
   142
INCOMPATIBILITY: in rare situations the generated goal differs.  Use
b95e9ba0ca1d Interpretation command (theory/proof context) no longer simplifies goal.
ballarin
parents: 27717
diff changeset
   143
methods intro_locales and unfold_locales to clarify.
27681
8cedebf55539 dropped locale (open)
haftmann
parents: 27651
diff changeset
   144
28085
914183e229e9 Interpretation commands no longer accept interpretation attributes.
ballarin
parents: 28067
diff changeset
   145
* Interpretation commands no longer accept interpretation attributes.
914183e229e9 Interpretation commands no longer accept interpretation attributes.
ballarin
parents: 28067
diff changeset
   146
INCOMPATBILITY.
914183e229e9 Interpretation commands no longer accept interpretation attributes.
ballarin
parents: 28067
diff changeset
   147
29253
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   148
* Complete re-implementation of locales.  INCOMPATIBILITY.
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   149
The most important changes are listed below.  See documentation
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   150
(forthcoming) and tutorial (also forthcoming) for details.
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   151
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   152
- In locale expressions, instantiation replaces renaming.  Parameters
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   153
must be declared in a for clause.  To aid compatibility with previous
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   154
parameter inheritance, in locale declarations, parameters that are not
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   155
'touched' (instantiation position "_" or omitted) are implicitly added
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   156
with their syntax at the beginning of the for clause.
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   157
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   158
- Syntax from abbreviations and definitions in locales is available in
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   159
locale expressions and context elements.  The latter is particularly
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   160
useful in locale declarations.
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   161
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   162
- More flexible mechanisms to qualify names generated by locale
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   163
expressions.  Qualifiers (prefixes) may be specified in locale
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   164
expressions.  Available are normal qualifiers (syntax "name:") and strict
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   165
qualifiers (syntax "name!:").  The latter must occur in name references
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   166
and are useful to avoid accidental hiding of names, the former are
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   167
optional.  Qualifiers derived from the parameter names of a locale are no
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   168
longer generated.
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   169
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   170
- "sublocale l < e" replaces "interpretation l < e".  The instantiation
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   171
clause in "interpretation" and "interpret" (square brackets) is no
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   172
longer available.  Use locale expressions.
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   173
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   174
- When converting proof scripts, be sure to replace qualifiers in
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   175
"interpretation" and "interpret" by strict qualifiers.  Qualifiers in
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   176
locale expressions range over a single locale instance only.
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   177
27651
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   178
* Command 'instance': attached definitions no longer accepted.
27141
9bfcdb1905e1 * Attributes cases, induct, coinduct support del option.
wenzelm
parents: 27122
diff changeset
   179
INCOMPATIBILITY, use proper 'instantiation' target.
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   180
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   181
* Keyword 'code_exception' now named 'code_abort'.  INCOMPATIBILITY.
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   182
28114
2637fb838f74 axiomatization is now global-only;
wenzelm
parents: 28103
diff changeset
   183
* The 'axiomatization' command now only works within a global theory
2637fb838f74 axiomatization is now global-only;
wenzelm
parents: 28103
diff changeset
   184
context.  INCOMPATIBILITY.
2637fb838f74 axiomatization is now global-only;
wenzelm
parents: 28103
diff changeset
   185
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   186
27381
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   187
*** Document preparation ***
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   188
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   189
* Antiquotation @{lemma} now imitates a regular terminal proof,
27392
wenzelm
parents: 27391
diff changeset
   190
demanding keyword 'by' and supporting the full method expression
27519
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   191
syntax just like the Isar command 'by'.
27381
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   192
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   193
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   194
*** HOL ***
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   195
29650
cc3958d31b1d Reflection.thy now in HOL/Library
haftmann
parents: 29628
diff changeset
   196
* Theory "Reflection" now resides in HOL/Library.
cc3958d31b1d Reflection.thy now in HOL/Library
haftmann
parents: 29628
diff changeset
   197
29628
d9294387ab0e entry point for Word library now named Word
haftmann
parents: 29616
diff changeset
   198
* Entry point to Word library now simply named "Word".  INCOMPATIBILITY.
d9294387ab0e entry point for Word library now named Word
haftmann
parents: 29616
diff changeset
   199
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   200
* Made source layout more coherent with logical distribution
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   201
structure:
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   202
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   203
    src/HOL/Library/RType.thy ~> src/HOL/Typerep.thy
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   204
    src/HOL/Library/Code_Message.thy ~> src/HOL/
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   205
    src/HOL/Library/Dense_Linear_Order.thy ~> src/HOL/
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   206
    src/HOL/Library/GCD.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   207
    src/HOL/Library/Order_Relation.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   208
    src/HOL/Library/Parity.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   209
    src/HOL/Library/Univ_Poly.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   210
    src/HOL/Real/ContNotDenum.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   211
    src/HOL/Real/Lubs.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   212
    src/HOL/Real/PReal.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   213
    src/HOL/Real/Rational.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   214
    src/HOL/Real/RComplete.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   215
    src/HOL/Real/RealDef.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   216
    src/HOL/Real/RealPow.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   217
    src/HOL/Real/Real.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   218
    src/HOL/Complex/Complex_Main.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   219
    src/HOL/Complex/Complex.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   220
    src/HOL/Complex/FrechetDeriv.thy ~> src/HOL/
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   221
    src/HOL/Complex/Fundamental_Theorem_Algebra.thy ~> src/HOL/
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   222
    src/HOL/Hyperreal/Deriv.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   223
    src/HOL/Hyperreal/Fact.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   224
    src/HOL/Hyperreal/Integration.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   225
    src/HOL/Hyperreal/Lim.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   226
    src/HOL/Hyperreal/Ln.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   227
    src/HOL/Hyperreal/Log.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   228
    src/HOL/Hyperreal/MacLaurin.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   229
    src/HOL/Hyperreal/NthRoot.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   230
    src/HOL/Hyperreal/Series.thy ~> src/HOL/
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   231
    src/HOL/Hyperreal/SEQ.thy ~> src/HOL/
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   232
    src/HOL/Hyperreal/Taylor.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   233
    src/HOL/Hyperreal/Transcendental.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   234
    src/HOL/Real/Float ~> src/HOL/Library/
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   235
    src/HOL/Real/HahnBanach ~> src/HOL/HahnBanach
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   236
    src/HOL/Real/RealVector.thy ~> src/HOL/
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   237
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   238
    src/HOL/arith_data.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   239
    src/HOL/hologic.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   240
    src/HOL/simpdata.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   241
    src/HOL/int_arith1.ML ~> src/HOL/Tools/int_arith.ML
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   242
    src/HOL/int_factor_simprocs.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   243
    src/HOL/nat_simprocs.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   244
    src/HOL/Real/float_arith.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   245
    src/HOL/Real/float_syntax.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   246
    src/HOL/Real/rat_arith.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   247
    src/HOL/Real/real_arith.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   248
29398
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   249
    src/HOL/Library/Array.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   250
    src/HOL/Library/Heap_Monad.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   251
    src/HOL/Library/Heap.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   252
    src/HOL/Library/Imperative_HOL.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   253
    src/HOL/Library/Ref.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   254
    src/HOL/Library/Relational.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   255
28741
1b257449f804 simproc for let
haftmann
parents: 28710
diff changeset
   256
* If methods "eval" and "evaluation" encounter a structured proof state
1b257449f804 simproc for let
haftmann
parents: 28710
diff changeset
   257
with !!/==>, only the conclusion is evaluated to True (if possible),
1b257449f804 simproc for let
haftmann
parents: 28710
diff changeset
   258
avoiding strange error messages.
1b257449f804 simproc for let
haftmann
parents: 28710
diff changeset
   259
1b257449f804 simproc for let
haftmann
parents: 28710
diff changeset
   260
* Simplifier: simproc for let expressions now unfolds if bound variable
1b257449f804 simproc for let
haftmann
parents: 28710
diff changeset
   261
occurs at most one time in let expression body.  INCOMPATIBILITY.
1b257449f804 simproc for let
haftmann
parents: 28710
diff changeset
   262
28685
275122631271 new classes "top" and "bot"
haftmann
parents: 28676
diff changeset
   263
* New classes "top" and "bot" with corresponding operations "top" and "bot"
275122631271 new classes "top" and "bot"
haftmann
parents: 28676
diff changeset
   264
in theory Orderings;  instantiation of class "complete_lattice" requires
275122631271 new classes "top" and "bot"
haftmann
parents: 28676
diff changeset
   265
instantiation of classes "top" and "bot".  INCOMPATIBILITY.
275122631271 new classes "top" and "bot"
haftmann
parents: 28676
diff changeset
   266
275122631271 new classes "top" and "bot"
haftmann
parents: 28676
diff changeset
   267
* Changed definition lemma "less_fun_def" in order to provide an instance
275122631271 new classes "top" and "bot"
haftmann
parents: 28676
diff changeset
   268
for preorders on functions;  use lemma "less_le" instead.  INCOMPATIBILITY.
275122631271 new classes "top" and "bot"
haftmann
parents: 28676
diff changeset
   269
28604
f36496b73227 generic ATP manager based on threads (by Fabian Immler);
wenzelm
parents: 28563
diff changeset
   270
* Unified theorem tables for both code code generators.  Thus
f36496b73227 generic ATP manager based on threads (by Fabian Immler);
wenzelm
parents: 28563
diff changeset
   271
[code func] has disappeared and only [code] remains.  INCOMPATIBILITY.
f36496b73227 generic ATP manager based on threads (by Fabian Immler);
wenzelm
parents: 28563
diff changeset
   272
28685
275122631271 new classes "top" and "bot"
haftmann
parents: 28676
diff changeset
   273
* Constants "undefined" and "default" replace "arbitrary".  Usually
275122631271 new classes "top" and "bot"
haftmann
parents: 28676
diff changeset
   274
"undefined" is the right choice to replace "arbitrary", though logically
275122631271 new classes "top" and "bot"
haftmann
parents: 28676
diff changeset
   275
there is no difference.  INCOMPATIBILITY.
28604
f36496b73227 generic ATP manager based on threads (by Fabian Immler);
wenzelm
parents: 28563
diff changeset
   276
f36496b73227 generic ATP manager based on threads (by Fabian Immler);
wenzelm
parents: 28563
diff changeset
   277
* Generic ATP manager for Sledgehammer, based on ML threads instead of
28605
wenzelm
parents: 28604
diff changeset
   278
Posix processes.  Avoids potentially expensive forking of the ML
wenzelm
parents: 28604
diff changeset
   279
process.  New thread-based implementation also works on non-Unix
wenzelm
parents: 28604
diff changeset
   280
platforms (Cygwin).  Provers are no longer hardwired, but defined
28606
wenzelm
parents: 28605
diff changeset
   281
within the theory via plain ML wrapper functions.  Basic Sledgehammer
wenzelm
parents: 28605
diff changeset
   282
commands are covered in the isar-ref manual
28604
f36496b73227 generic ATP manager based on threads (by Fabian Immler);
wenzelm
parents: 28563
diff changeset
   283
f36496b73227 generic ATP manager based on threads (by Fabian Immler);
wenzelm
parents: 28563
diff changeset
   284
* Wrapper scripts for remote SystemOnTPTP service allows to use
28475
wenzelm
parents: 28474
diff changeset
   285
sledgehammer without local ATP installation (Vampire etc.).  See also
wenzelm
parents: 28474
diff changeset
   286
ISABELLE_HOME/contrib/SystemOnTPTP and the VAMPIRE_HOME setting
28604
f36496b73227 generic ATP manager based on threads (by Fabian Immler);
wenzelm
parents: 28563
diff changeset
   287
variable.  Other provers may be included via suitable ML wrappers, see
f36496b73227 generic ATP manager based on threads (by Fabian Immler);
wenzelm
parents: 28563
diff changeset
   288
also src/HOL/ATP_Linkup.thy.
28474
d0b8b0a1fca5 Vampire wrapper script for remote SystemOnTPTP service (by Fabian Immler);
wenzelm
parents: 28350
diff changeset
   289
28350
715163ec93c0 non left-linear equations for nbe
haftmann
parents: 28294
diff changeset
   290
* Normalization by evaluation now allows non-leftlinear equations.
715163ec93c0 non left-linear equations for nbe
haftmann
parents: 28294
diff changeset
   291
Declare with attribute [code nbe].
715163ec93c0 non left-linear equations for nbe
haftmann
parents: 28294
diff changeset
   292
715163ec93c0 non left-linear equations for nbe
haftmann
parents: 28294
diff changeset
   293
* Command "value" now integrates different evaluation
28248
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   294
mechanisms.  The result of the first successful evaluation mechanism
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   295
is printed.  In square brackets a particular named evaluation
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   296
mechanisms may be specified (currently, [SML], [code] or [nbe]).  See
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   297
further src/HOL/ex/Eval_Examples.thy.
28227
77221ee0f7b9 generic value command
haftmann
parents: 28178
diff changeset
   298
29125
d41182a8135c method "sizechange" proves termination of functions; added more infrastructure for termination proofs
krauss
parents: 28966
diff changeset
   299
* New method "sizechange" to automate termination proofs using (a
29182
9304afad825e tuned NEWS; CONTRIBUTORS
krauss
parents: 29162
diff changeset
   300
modification of) the size-change principle. Requires SAT solver. See
9304afad825e tuned NEWS; CONTRIBUTORS
krauss
parents: 29162
diff changeset
   301
src/HOL/ex/Termination.thy for examples.
29125
d41182a8135c method "sizechange" proves termination of functions; added more infrastructure for termination proofs
krauss
parents: 28966
diff changeset
   302
28088
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   303
* HOL/Orderings: class "wellorder" moved here, with explicit induction
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   304
rule "less_induct" as assumption.  For instantiation of "wellorder" by
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   305
means of predicate "wf", use rule wf_wellorderI.  INCOMPATIBILITY.
27823
52971512d1a2 moved class wellorder to theory Orderings
haftmann
parents: 27793
diff changeset
   306
27793
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   307
* HOL/Orderings: added class "preorder" as superclass of "order".
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   308
INCOMPATIBILITY: Instantiation proofs for order, linorder
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   309
etc. slightly changed.  Some theorems named order_class.* now named
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   310
preorder_class.*.
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   311
28855
5d21a3e7303c *** empty log message ***
nipkow
parents: 28741
diff changeset
   312
* HOL/Finite_Set: added a new fold combinator of type
5d21a3e7303c *** empty log message ***
nipkow
parents: 28741
diff changeset
   313
  ('a => 'b => 'b) => 'b => 'a set => 'b
5d21a3e7303c *** empty log message ***
nipkow
parents: 28741
diff changeset
   314
Occasionally this is more convenient than the old fold combinator which is
5d21a3e7303c *** empty log message ***
nipkow
parents: 28741
diff changeset
   315
now defined in terms of the new one and renamed to fold_image.
5d21a3e7303c *** empty log message ***
nipkow
parents: 28741
diff changeset
   316
29671
nipkow
parents: 29650
diff changeset
   317
* HOL/Ring_and_Field and HOL/OrderedGroup: The lemmas "group_simps" and
nipkow
parents: 29650
diff changeset
   318
"ring_simps" have been replaced by "algebra_simps" (which can be extended with
nipkow
parents: 29650
diff changeset
   319
further lemmas!). At the moment both still exist but the former will disappear
nipkow
parents: 29650
diff changeset
   320
at some point.
nipkow
parents: 29650
diff changeset
   321
27793
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   322
* HOL/Ring_and_Field and HOL/Divides: Definition of "op dvd" has been
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   323
moved to separate class dvd in Ring_and_Field; a couple of lemmas on
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   324
dvd has been generalized to class comm_semiring_1.  Likewise a bunch
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   325
of lemmas from Divides has been generalized from nat to class
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   326
semiring_div.  INCOMPATIBILITY.  This involves the following theorem
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   327
renames resulting from duplicate elimination:
27651
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   328
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   329
    dvd_def_mod ~>          dvd_eq_mod_eq_0
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   330
    zero_dvd_iff ~>         dvd_0_left_iff
28559
55c003a5600a tuned default rules of (dvd)
haftmann
parents: 28522
diff changeset
   331
    dvd_0 ~>                dvd_0_right
27651
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   332
    DIVISION_BY_ZERO_DIV ~> div_by_0
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   333
    DIVISION_BY_ZERO_MOD ~> mod_by_0
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   334
    mult_div ~>             div_mult_self2_is_id
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   335
    mult_mod ~>             mod_mult_self2_is_0
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   336
27599
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   337
* HOL/Library/GCD: Curried operations gcd, lcm (for nat) and zgcd,
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   338
zlcm (for int); carried together from various gcd/lcm developements in
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   339
the HOL Distribution.  zgcd and zlcm replace former igcd and ilcm;
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   340
corresponding theorems renamed accordingly.  INCOMPATIBILY.  To
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   341
recover tupled syntax, use syntax declarations like:
27556
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   342
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   343
    hide (open) const gcd
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   344
    abbreviation gcd where
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   345
      "gcd == (%(a, b). GCD.gcd a b)"
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   346
    notation (output)
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   347
      GCD.gcd ("gcd '(_, _')")
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   348
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   349
(analogously for lcm, zgcd, zlcm).
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   350
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   351
* HOL/Real/Rational: 'Fract k 0' now equals '0'.  INCOMPATIBILITY.
27551
9a5543d4cc24 Fract now total; improved code generator setup
haftmann
parents: 27519
diff changeset
   352
28964
nipkow
parents: 28952
diff changeset
   353
* The real numbers offer decimal input syntax: 12.34 is translated into
nipkow
parents: 28952
diff changeset
   354
  1234/10^4. This translation is not reversed upon output.
nipkow
parents: 28952
diff changeset
   355
27651
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   356
* New ML antiquotation @{code}: takes constant as argument, generates
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   357
corresponding code in background and inserts name of the corresponding
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   358
resulting ML value/function/datatype constructor binding in place.
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   359
All occurrences of @{code} with a single ML block are generated
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   360
simultaneously.  Provides a generic and safe interface for
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   361
instrumentalizing code generation.  See HOL/ex/Code_Antiq for a toy
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   362
example, or HOL/Complex/ex/ReflectedFerrack for a more ambitious
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   363
application.  In future you ought refrain from ad-hoc compiling
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   364
generated SML code on the ML toplevel.  Note that (for technical
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   365
reasons) @{code} cannot refer to constants for which user-defined
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   366
serializations are set.  Refer to the corresponding ML counterpart
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   367
directly in that cases.
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   368
27424
594fd97ce3d1 HOL += HOL-Complex
haftmann
parents: 27421
diff changeset
   369
* Integrated image HOL-Complex with HOL.  Entry points Main.thy and
594fd97ce3d1 HOL += HOL-Complex
haftmann
parents: 27421
diff changeset
   370
Complex_Main.thy remain as they are.
594fd97ce3d1 HOL += HOL-Complex
haftmann
parents: 27421
diff changeset
   371
27599
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   372
* New image HOL-Plain provides a minimal HOL with the most important
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   373
tools available (inductive, datatype, primrec, ...).  By convention
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   374
the corresponding theory Plain should be ancestor of every further
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   375
(library) theory.  Some library theories now have ancestor Plain
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   376
(instead of Main), thus theory Main occasionally has to be imported
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   377
explicitly.
27421
7e458bd56860 HOL += HOL-Complex
haftmann
parents: 27393
diff changeset
   378
28248
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   379
* The metis method now fails in the usual manner, rather than raising
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   380
an exception, if it determines that it cannot prove the theorem.
28233
f14f34194f63 The metis method now fails in the usual manner, rather than raising an exception,
paulson
parents: 28227
diff changeset
   381
28700
fb92b1d1b285 The metis method no longer fails because the theorem is too trivial
paulson
parents: 28685
diff changeset
   382
* The metis method no longer fails because the theorem is too trivial
fb92b1d1b285 The metis method no longer fails because the theorem is too trivial
paulson
parents: 28685
diff changeset
   383
(contains the empty clause).
fb92b1d1b285 The metis method no longer fails because the theorem is too trivial
paulson
parents: 28685
diff changeset
   384
27324
904acdaf4299 induct_tac: mutual rules work as for method "induct";
wenzelm
parents: 27305
diff changeset
   385
* Methods "case_tac" and "induct_tac" now refer to the very same rules
904acdaf4299 induct_tac: mutual rules work as for method "induct";
wenzelm
parents: 27305
diff changeset
   386
as the structured Isar versions "cases" and "induct", cf. the
904acdaf4299 induct_tac: mutual rules work as for method "induct";
wenzelm
parents: 27305
diff changeset
   387
corresponding "cases" and "induct" attributes.  Mutual induction rules
904acdaf4299 induct_tac: mutual rules work as for method "induct";
wenzelm
parents: 27305
diff changeset
   388
are now presented as a list of individual projections
904acdaf4299 induct_tac: mutual rules work as for method "induct";
wenzelm
parents: 27305
diff changeset
   389
(e.g. foo_bar.inducts for types foo and bar); the old format with
904acdaf4299 induct_tac: mutual rules work as for method "induct";
wenzelm
parents: 27305
diff changeset
   390
explicit HOL conjunction is no longer supported.  INCOMPATIBILITY, in
904acdaf4299 induct_tac: mutual rules work as for method "induct";
wenzelm
parents: 27305
diff changeset
   391
rare situations a different rule is selected --- notably nested tuple
904acdaf4299 induct_tac: mutual rules work as for method "induct";
wenzelm
parents: 27305
diff changeset
   392
elimination instead of former prod.exhaust: use explicit (case_tac t
904acdaf4299 induct_tac: mutual rules work as for method "induct";
wenzelm
parents: 27305
diff changeset
   393
rule: prod.exhaust) here.
27122
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   394
27141
9bfcdb1905e1 * Attributes cases, induct, coinduct support del option.
wenzelm
parents: 27122
diff changeset
   395
* Attributes "cases", "induct", "coinduct" support "del" option.
9bfcdb1905e1 * Attributes cases, induct, coinduct support del option.
wenzelm
parents: 27122
diff changeset
   396
27122
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   397
* Removed fact "case_split_thm", which duplicates "case_split".
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   398
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   399
* Command 'rep_datatype': instead of theorem names the command now
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   400
takes a list of terms denoting the constructors of the type to be
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   401
represented as datatype.  The characteristic theorems have to be
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   402
proven.  INCOMPATIBILITY.  Also observe that the following theorems
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   403
have disappeared in favour of existing ones:
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   404
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   405
    unit_induct                 ~> unit.induct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   406
    prod_induct                 ~> prod.induct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   407
    sum_induct                  ~> sum.induct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   408
    Suc_Suc_eq                  ~> nat.inject
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   409
    Suc_not_Zero Zero_not_Suc   ~> nat.distinct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   410
27122
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   411
* Library/Nat_Infinity: added addition, numeral syntax and more
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   412
instantiations for algebraic structures.  Removed some duplicate
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   413
theorems.  Changes in simp rules.  INCOMPATIBILITY.
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   414
28088
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   415
* ATP selection (E/Vampire/Spass) is now via Proof General's settings
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   416
menu.
28067
4b6783d3f0d9 *** empty log message ***
nipkow
parents: 28058
diff changeset
   417
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   418
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   419
*** HOL-Algebra ***
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   420
27713
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   421
* New locales for orders and lattices where the equivalence relation
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   422
  is not restricted to equality.  INCOMPATIBILITY: all order and
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   423
  lattice locales use a record structure with field eq for the
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   424
  equivalence.
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   425
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   426
* New theory of factorial domains.
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   427
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   428
* Units_l_inv and Units_r_inv are now simprules by default.
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   429
INCOMPATIBILITY.  Simplifier proof that require deletion of l_inv
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   430
and/or r_inv will now also require deletion of these lemmas.
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   431
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   432
* Renamed the following theorems.  INCOMPATIBILITY.
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   433
UpperD ~> Upper_memD
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   434
LowerD ~> Lower_memD
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   435
least_carrier ~> least_closed
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   436
greatest_carrier ~> greatest_closed
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   437
greatest_Lower_above ~> greatest_Lower_below
27717
21bbd410ba04 Generalised polynomial lemmas from cring to ring.
ballarin
parents: 27713
diff changeset
   438
one_zero ~> carrier_one_zero
21bbd410ba04 Generalised polynomial lemmas from cring to ring.
ballarin
parents: 27713
diff changeset
   439
one_not_zero ~> carrier_one_not_zero  (collision with assumption)
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   440
27793
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   441
27485
a5de2cbf548f HOL-NSA
huffman
parents: 27436
diff changeset
   442
*** HOL-NSA ***
a5de2cbf548f HOL-NSA
huffman
parents: 27436
diff changeset
   443
a5de2cbf548f HOL-NSA
huffman
parents: 27436
diff changeset
   444
* Created new image HOL-NSA, containing theories of nonstandard
a5de2cbf548f HOL-NSA
huffman
parents: 27436
diff changeset
   445
analysis which were previously part of HOL-Complex.  Entry point
a5de2cbf548f HOL-NSA
huffman
parents: 27436
diff changeset
   446
Hyperreal.thy remains valid, but theories formerly using
a5de2cbf548f HOL-NSA
huffman
parents: 27436
diff changeset
   447
Complex_Main.thy should now use new entry point Hypercomplex.thy.
a5de2cbf548f HOL-NSA
huffman
parents: 27436
diff changeset
   448
a5de2cbf548f HOL-NSA
huffman
parents: 27436
diff changeset
   449
27704
5b1585b48952 Zorn's Lemma for partial orders.
ballarin
parents: 27696
diff changeset
   450
*** ZF ***
5b1585b48952 Zorn's Lemma for partial orders.
ballarin
parents: 27696
diff changeset
   451
5b1585b48952 Zorn's Lemma for partial orders.
ballarin
parents: 27696
diff changeset
   452
* Proof of Zorn's Lemma for partial orders.
5b1585b48952 Zorn's Lemma for partial orders.
ballarin
parents: 27696
diff changeset
   453
5b1585b48952 Zorn's Lemma for partial orders.
ballarin
parents: 27696
diff changeset
   454
27246
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   455
*** ML ***
28088
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   456
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   457
* High-level support for concurrent ML programming, see
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   458
src/Pure/Cuncurrent.  The data-oriented model of "future values" is
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   459
particularly convenient to organize independent functional
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   460
computations.  The concept of "synchronized variables" provides a
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   461
higher-order interface for components with shared state, avoiding the
29162
wenzelm
parents: 29161
diff changeset
   462
delicate details of mutexes and condition variables.  [Poly/ML 5.2.1
wenzelm
parents: 29161
diff changeset
   463
or later]
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   464
28294
wenzelm
parents: 28290
diff changeset
   465
* Simplified ML oracle interface Thm.add_oracle promotes 'a -> cterm
wenzelm
parents: 28290
diff changeset
   466
to 'a -> thm, while results are always tagged with an authentic oracle
wenzelm
parents: 28290
diff changeset
   467
name.  The Isar command 'oracle' is now polymorphic, no argument type
wenzelm
parents: 28290
diff changeset
   468
is specified.  INCOMPATIBILITY, need to simplify existing oracle code
wenzelm
parents: 28290
diff changeset
   469
accordingly.  Note that extra performance may be gained by producing
wenzelm
parents: 28290
diff changeset
   470
the cterm carefully, avoiding slow Thm.cterm_of.
wenzelm
parents: 28290
diff changeset
   471
28282
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   472
* ML bindings produced via Isar commands are stored within the Isar
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   473
context (theory or proof).  Consequently, commands like 'use' and 'ML'
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   474
become thread-safe and work with undo as expected (concerning
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   475
top-level bindings, not side-effects on global references).
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   476
INCOMPATIBILITY, need to provide proper Isar context when invoking the
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   477
compiler at runtime; really global bindings need to be given outside a
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   478
theory. [Poly/ML 5.2 or later]
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   479
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   480
* Command 'ML_prf' is analogous to 'ML' but works within a proof
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   481
context. Top-level ML bindings are stored within the proof context in
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   482
a purely sequential fashion, disregarding the nested proof structure.
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   483
ML bindings introduced by 'ML_prf' are discarded at the end of the
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   484
proof.  [Poly/ML 5.2 or later]
44664ffc9725 * ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents: 28254
diff changeset
   485
28099
fb16a07d6580 * Generic Toplevel.add_hook interface allows to analyze the result of
wenzelm
parents: 28089
diff changeset
   486
* Generic Toplevel.add_hook interface allows to analyze the result of
28103
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28099
diff changeset
   487
transactions.  E.g. see src/Pure/ProofGeneral/proof_general_pgip.ML
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28099
diff changeset
   488
for theorem dependency output of transactions resulting in a new
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28099
diff changeset
   489
theory state.
28099
fb16a07d6580 * Generic Toplevel.add_hook interface allows to analyze the result of
wenzelm
parents: 28089
diff changeset
   490
28088
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   491
* Name bindings in higher specification mechanisms (notably
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   492
LocalTheory.define, LocalTheory.note, and derived packages) are now
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   493
formalized as type Name.binding, replacing old bstring.
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   494
INCOMPATIBILITY, need to wrap strings via Name.binding function, see
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   495
also Name.name_of.  Packages should pass name bindings given by the
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   496
user to underlying specification mechanisms; this enables precise
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   497
tracking of source positions, for example.
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   498
28089
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
   499
* Result facts (from PureThy.note_thms, ProofContext.note_thms,
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
   500
LocalTheory.note etc.) now refer to the *full* internal name, not the
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
   501
bstring as before.  INCOMPATIBILITY, not detected by ML type-checking!
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
   502
27246
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   503
* Rules and tactics that read instantiations (read_instantiate,
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   504
res_inst_tac, thin_tac, subgoal_tac etc.) now demand a proper proof
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   505
context, which is required for parsing and type-checking.  Moreover,
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   506
the variables are specified as plain indexnames, not string encodings
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   507
thereof.  INCOMPATIBILITY.
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   508
27287
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
   509
* Disposed old type and term read functions (Sign.read_def_typ,
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
   510
Sign.read_typ, Sign.read_def_terms, Sign.read_term,
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
   511
Thm.read_def_cterms, Thm.read_cterm etc.).  INCOMPATIBILITY, should
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
   512
use regular Syntax.read_typ, Syntax.read_term, Syntax.read_typ_global,
27269
1e9c05cddc64 * Disposed old term read functions;
wenzelm
parents: 27246
diff changeset
   513
Syntax.read_term_global etc.; see also OldGoals.read_term as last
1e9c05cddc64 * Disposed old term read functions;
wenzelm
parents: 27246
diff changeset
   514
resort for legacy applications.
1e9c05cddc64 * Disposed old term read functions;
wenzelm
parents: 27246
diff changeset
   515
27380
ca505e7b7591 ML: improved antiquotations;
wenzelm
parents: 27324
diff changeset
   516
* Antiquotations: block-structured compilation context indicated by
27391
6c4649134fd6 additional ML antiquotations;
wenzelm
parents: 27381
diff changeset
   517
\<lbrace> ... \<rbrace>; additional antiquotation forms:
6c4649134fd6 additional ML antiquotations;
wenzelm
parents: 27381
diff changeset
   518
27519
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   519
  @{let ?pat = term}                      - term abbreviation (HO matching)
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   520
  @{note name = fact}                     - fact abbreviation
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   521
  @{thm fact}                             - singleton fact (with attributes)
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   522
  @{thms fact}                            - general fact (with attributes)
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   523
  @{lemma prop by method}                 - singleton goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   524
  @{lemma prop by meth1 meth2}            - singleton goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   525
  @{lemma prop1 ... propN by method}      - general goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   526
  @{lemma prop1 ... propN by meth1 meth2} - general goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   527
  @{lemma (open) ...}                     - open derivation
27380
ca505e7b7591 ML: improved antiquotations;
wenzelm
parents: 27324
diff changeset
   528
27246
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   529
27979
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   530
*** System ***
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   531
28676
78688a5fafc2 multithreading support only for polyml-5.2.1 or later;
wenzelm
parents: 28633
diff changeset
   532
* Multithreading for Poly/ML 5.1/5.2 is no longer supported, only for
78688a5fafc2 multithreading support only for polyml-5.2.1 or later;
wenzelm
parents: 28633
diff changeset
   533
Poly/ML 5.2.1 or later.
28254
d67ba23e0277 multithreading for Poly/ML 5.1 is no longer supported;
wenzelm
parents: 28252
diff changeset
   534
28248
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   535
* The Isabelle "emacs" tool provides a specific interface to invoke
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   536
Proof General / Emacs, with more explicit failure if that is not
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   537
installed (the old isabelle-interface script silently falls back on
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   538
isabelle-process).  The PROOFGENERAL_HOME setting determines the
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   539
installation location of the Proof General distribution.
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
   540
27979
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   541
* Isabelle/lib/classes/Pure.jar provides basic support to integrate
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   542
the Isabelle process into a JVM/Scala application.  See
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   543
Isabelle/lib/jedit/plugin for a minimal example.  (The obsolete Java
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   544
process wrapper has been discontinued.)
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   545
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   546
* Status messages (with exact source position information) are
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   547
emitted, if proper markup print mode is enabled.  This allows
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   548
user-interface components to provide detailed feedback on internal
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   549
prover operations.
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   550
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   551
* Homegrown Isabelle font with unicode layout, see Isabelle/lib/fonts.
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   552
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
   553
27143
574a09bcdb02 tuned spacing;
wenzelm
parents: 27141
diff changeset
   554
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   555
New in Isabelle2008 (June 2008)
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   556
-------------------------------
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
   557
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   558
*** General ***
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   559
27061
a057cb0d7d55 reorganized isar-ref;
wenzelm
parents: 27008
diff changeset
   560
* The Isabelle/Isar Reference Manual (isar-ref) has been reorganized
a057cb0d7d55 reorganized isar-ref;
wenzelm
parents: 27008
diff changeset
   561
and updated, with formally checked references as hyperlinks.
a057cb0d7d55 reorganized isar-ref;
wenzelm
parents: 27008
diff changeset
   562
25994
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
   563
* Theory loader: use_thy (and similar operations) no longer set the
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
   564
implicit ML context, which was occasionally hard to predict and in
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
   565
conflict with concurrency.  INCOMPATIBILITY, use ML within Isar which
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
   566
provides a proper context already.
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
   567
26323
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
   568
* Theory loader: old-style ML proof scripts being *attached* to a thy
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
   569
file are no longer supported.  INCOMPATIBILITY, regular 'uses' and
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
   570
'use' within a theory file will do the job.
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
   571
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
   572
* Name space merge now observes canonical order, i.e. the second space
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
   573
is inserted into the first one, while existing entries in the first
26659
wenzelm
parents: 26650
diff changeset
   574
space take precedence.  INCOMPATIBILITY in rare situations, may try to
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
   575
swap theory imports.
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
   576
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   577
* Syntax: symbol \<chi> is now considered a letter.  Potential
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   578
INCOMPATIBILITY in identifier syntax etc.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   579
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   580
* Outer syntax: string tokens no longer admit escaped white space,
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   581
which was an accidental (undocumented) feature.  INCOMPATIBILITY, use
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   582
white space without escapes.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   583
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   584
* Outer syntax: string tokens may contain arbitrary character codes
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   585
specified via 3 decimal digits (as in SML).  E.g. "foo\095bar" for
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   586
"foo_bar".
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   587
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   588
25502
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25464
diff changeset
   589
*** Pure ***
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25464
diff changeset
   590
26718
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
   591
* Context-dependent token translations.  Default setup reverts locally
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
   592
fixed variables, and adds hilite markup for undeclared frees.
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
   593
26681
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   594
* Unused theorems can be found using the new command 'unused_thms'.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   595
There are three ways of invoking it:
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   596
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   597
(1) unused_thms
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   598
     Only finds unused theorems in the current theory.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   599
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   600
(2) unused_thms thy_1 ... thy_n -
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   601
     Finds unused theorems in the current theory and all of its ancestors,
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   602
     excluding the theories thy_1 ... thy_n and all of their ancestors.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   603
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   604
(3) unused_thms thy_1 ... thy_n - thy'_1 ... thy'_m
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   605
     Finds unused theorems in the theories thy'_1 ... thy'_m and all of
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   606
     their ancestors, excluding the theories thy_1 ... thy_n and all of
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   607
     their ancestors.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   608
26718
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
   609
In order to increase the readability of the list produced by
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
   610
unused_thms, theorems that have been created by a particular instance
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   611
of a theory command such as 'inductive' or 'function' are considered
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   612
to belong to the same "group", meaning that if at least one theorem in
26718
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
   613
this group is used, the other theorems in the same group are no longer
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
   614
reported as unused.  Moreover, if all theorems in the group are
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
   615
unused, only one theorem in the group is displayed.
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
   616
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
   617
Note that proof objects have to be switched on in order for
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
   618
unused_thms to work properly (i.e. !proofs must be >= 1, which is
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   619
usually the case when using Proof General with the default settings).
26681
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
   620
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
   621
* Authentic naming of facts disallows ad-hoc overwriting of previous
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
   622
theorems within the same name space.  INCOMPATIBILITY, need to remove
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
   623
duplicate fact bindings, or even accidental fact duplications.  Note
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
   624
that tools may maintain dynamically scoped facts systematically, using
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
   625
PureThy.add_thms_dynamic.
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
   626
26660
f978a6f48949 added hide fact;
wenzelm
parents: 26659
diff changeset
   627
* Command 'hide' now allows to hide from "fact" name space as well.
f978a6f48949 added hide fact;
wenzelm
parents: 26659
diff changeset
   628
26496
49ae9456eba9 purely functional setup of claset/simpset/clasimpset;
wenzelm
parents: 26495
diff changeset
   629
* Eliminated destructive theorem database, simpset, claset, and
49ae9456eba9 purely functional setup of claset/simpset/clasimpset;
wenzelm
parents: 26495
diff changeset
   630
clasimpset.  Potential INCOMPATIBILITY, really need to observe linear
49ae9456eba9 purely functional setup of claset/simpset/clasimpset;
wenzelm
parents: 26495
diff changeset
   631
update of theories within ML code.
26479
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
   632
26955
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
   633
* Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
   634
INCOMPATIBILITY, object-logics depending on former Pure require
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
   635
additional setup PureThy.old_appl_syntax_setup; object-logics
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
   636
depending on former CPure need to refer to Pure.
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
   637
26495
dd8996960cb0 fixed spelling;
wenzelm
parents: 26479
diff changeset
   638
* Commands 'use' and 'ML' are now purely functional, operating on
26479
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
   639
theory/local_theory.  Removed former 'ML_setup' (on theory), use 'ML'
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
   640
instead.  Added 'ML_val' as mere diagnostic replacement for 'ML'.
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
   641
INCOMPATIBILITY.
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
   642
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   643
* Command 'setup': discontinued implicit version with ML reference.
26434
d004b791218e Command 'setup': discontinued implicit version.
wenzelm
parents: 26422
diff changeset
   644
25970
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
   645
* Instantiation target allows for simultaneous specification of class
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
   646
instance operations together with an instantiation proof.
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
   647
Type-checking phase allows to refer to class operations uniformly.
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   648
See src/HOL/Complex/Complex.thy for an Isar example and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   649
src/HOL/Library/Eval.thy for an ML example.
25502
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25464
diff changeset
   650
26201
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
   651
* Indexing of literal facts: be more serious about including only
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
   652
facts from the visible specification/proof context, but not the
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
   653
background context (locale etc.).  Affects `prop` notation and method
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
   654
"fact".  INCOMPATIBILITY: need to name facts explicitly in rare
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
   655
situations.
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
   656
26925
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
   657
* Method "cases", "induct", "coinduct": removed obsolete/undocumented
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
   658
"(open)" option, which used to expose internal bound variables to the
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
   659
proof text.
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
   660
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
   661
* Isar statements: removed obsolete case "rule_context".
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
   662
INCOMPATIBILITY, better use explicit fixes/assumes.
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
   663
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   664
* Locale proofs: default proof step now includes 'unfold_locales';
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   665
hence 'proof' without argument may be used to unfold locale
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   666
predicates.
26765
f2ea56490bfb unfold_locales part of default method.
ballarin
parents: 26762
diff changeset
   667
f2ea56490bfb unfold_locales part of default method.
ballarin
parents: 26762
diff changeset
   668
26762
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
   669
*** Document preparation ***
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
   670
26914
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
   671
* Simplified pdfsetup.sty: color/hyperref is used unconditionally for
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
   672
both pdf and dvi (hyperlinks usually work in xdvi as well); removed
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
   673
obsolete thumbpdf setup (contemporary PDF viewers do this on the
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
   674
spot); renamed link color from "darkblue" to "linkcolor" (default
26920
wenzelm
parents: 26914
diff changeset
   675
value unchanged, can be redefined via \definecolor); no longer sets
wenzelm
parents: 26914
diff changeset
   676
"a4paper" option (unnecessary or even intrusive).
26914
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
   677
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   678
* Antiquotation @{lemma A method} proves proposition A by the given
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   679
method (either a method name or a method name plus (optional) method
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   680
arguments in parentheses) and prints A just like @{prop A}.
26762
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
   681
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
   682
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
   683
*** HOL ***
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
   684
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   685
* New primrec package.  Specification syntax conforms in style to
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   686
definition/function/....  No separate induction rule is provided.  The
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   687
"primrec" command distinguishes old-style and new-style specifications
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   688
by syntax.  The former primrec package is now named OldPrimrecPackage.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   689
When adjusting theories, beware: constants stemming from new-style
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   690
primrec specifications have authentic syntax.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   691
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   692
* Metis prover is now an order of magnitude faster, and also works
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   693
with multithreading.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   694
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   695
* Metis: the maximum number of clauses that can be produced from a
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   696
theorem is now given by the attribute max_clauses.  Theorems that
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   697
exceed this number are ignored, with a warning printed.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   698
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   699
* Sledgehammer no longer produces structured proofs by default. To
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   700
enable, declare [[sledgehammer_full = true]].  Attributes
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   701
reconstruction_modulus, reconstruction_sorts renamed
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   702
sledgehammer_modulus, sledgehammer_sorts.  INCOMPATIBILITY.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   703
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   704
* Method "induct_scheme" derives user-specified induction rules
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   705
from well-founded induction and completeness of patterns. This factors
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   706
out some operations that are done internally by the function package
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   707
and makes them available separately.  See
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   708
src/HOL/ex/Induction_Scheme.thy for examples.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   709
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   710
* More flexible generation of measure functions for termination
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   711
proofs: Measure functions can be declared by proving a rule of the
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   712
form "is_measure f" and giving it the [measure_function] attribute.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   713
The "is_measure" predicate is logically meaningless (always true), and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   714
just guides the heuristic.  To find suitable measure functions, the
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   715
termination prover sets up the goal "is_measure ?f" of the appropriate
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   716
type and generates all solutions by prolog-style backwards proof using
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   717
the declared rules.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   718
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   719
This setup also deals with rules like 
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   720
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   721
  "is_measure f ==> is_measure (list_size f)"
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   722
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   723
which accommodates nested datatypes that recurse through lists.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   724
Similar rules are predeclared for products and option types.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   725
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   726
* Turned the type of sets "'a set" into an abbreviation for "'a => bool"
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   727
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   728
  INCOMPATIBILITIES:
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   729
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   730
  - Definitions of overloaded constants on sets have to be replaced by
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   731
    definitions on => and bool.
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   732
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   733
  - Some definitions of overloaded operators on sets can now be proved
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   734
    using the definitions of the operators on => and bool.  Therefore,
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   735
    the following theorems have been renamed:
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   736
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   737
      subset_def   -> subset_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   738
      psubset_def  -> psubset_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   739
      set_diff_def -> set_diff_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   740
      Compl_def    -> Compl_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   741
      Sup_set_def  -> Sup_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   742
      Inf_set_def  -> Inf_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   743
      sup_set_def  -> sup_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   744
      inf_set_def  -> inf_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   745
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   746
  - Due to the incompleteness of the HO unification algorithm, some
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   747
    rules such as subst may require manual instantiation, if some of
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   748
    the unknowns in the rule is a set.
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   749
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   750
  - Higher order unification and forward proofs:
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   751
    The proof pattern
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   752
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   753
      have "P (S::'a set)" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   754
      then have "EX S. P S" ..
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   755
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   756
    no longer works (due to the incompleteness of the HO unification
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   757
    algorithm) and must be replaced by the pattern
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   758
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   759
      have "EX S. P S"
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   760
      proof
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   761
        show "P S" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   762
      qed
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   763
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   764
  - Calculational reasoning with subst (or similar rules):
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   765
    The proof pattern
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   766
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   767
      have "P (S::'a set)" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   768
      also have "S = T" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   769
      finally have "P T" .
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   770
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   771
    no longer works (for similar reasons as the previous example) and
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   772
    must be replaced by something like
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   773
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   774
      have "P (S::'a set)" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   775
      moreover have "S = T" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   776
      ultimately have "P T" by simp
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   777
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   778
  - Tactics or packages written in ML code:
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   779
    Code performing pattern matching on types via
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   780
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   781
      Type ("set", [T]) => ...
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   782
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   783
    must be rewritten. Moreover, functions like strip_type or
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   784
    binder_types no longer return the right value when applied to a
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   785
    type of the form
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   786
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   787
      T1 => ... => Tn => U => bool
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   788
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   789
    rather than
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   790
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   791
      T1 => ... => Tn => U set
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
   792
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   793
* Merged theories Wellfounded_Recursion, Accessible_Part and
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   794
Wellfounded_Relations to theory Wellfounded.
26748
4d51ddd6aa5c Merged theories about wellfoundedness into one: Wellfounded.thy
krauss
parents: 26724
diff changeset
   795
26513
6f306c8c2c54 explicit class "eq" for operational equality
haftmann
parents: 26500
diff changeset
   796
* Explicit class "eq" for executable equality.  INCOMPATIBILITY.
6f306c8c2c54 explicit class "eq" for operational equality
haftmann
parents: 26500
diff changeset
   797
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   798
* Class finite no longer treats UNIV as class parameter.  Use class
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   799
enum from theory Library/Enum instead to achieve a similar effect.
26445
17223cf843d8 explicit case names for rule list_induct2
haftmann
parents: 26434
diff changeset
   800
INCOMPATIBILITY.
17223cf843d8 explicit case names for rule list_induct2
haftmann
parents: 26434
diff changeset
   801
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   802
* Theory List: rule list_induct2 now has explicitly named cases "Nil"
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   803
and "Cons".  INCOMPATIBILITY.
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   804
26422
d5883907c514 HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents: 26401
diff changeset
   805
* HOL (and FOL): renamed variables in rules imp_elim and swap.
d5883907c514 HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents: 26401
diff changeset
   806
Potential INCOMPATIBILITY.
d5883907c514 HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents: 26401
diff changeset
   807
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   808
* Theory Product_Type: duplicated lemmas split_Pair_apply and
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   809
injective_fst_snd removed, use split_eta and prod_eqI instead.
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   810
Renamed upd_fst to apfst and upd_snd to apsnd.  INCOMPATIBILITY.
26355
9276633fdc24 Theory Product_Type; fixed typos
haftmann
parents: 26335
diff changeset
   811
26335
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   812
* Theory Nat: removed redundant lemmas that merely duplicate lemmas of
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   813
the same name in theory Orderings:
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   814
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   815
  less_trans
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   816
  less_linear
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   817
  le_imp_less_or_eq
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   818
  le_less_trans
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   819
  less_le_trans
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   820
  less_not_sym
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   821
  less_asym
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   822
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   823
Renamed less_imp_le to less_imp_le_nat, and less_irrefl to
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   824
less_irrefl_nat.  Potential INCOMPATIBILITY due to more general types
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
   825
and different variable names.
26315
cb3badaa192e removed redundant less_trans, less_linear, le_imp_less_or_eq, le_less_trans, less_le_trans (cf. Orderings.thy);
wenzelm
parents: 26231
diff changeset
   826
26231
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
   827
* Library/Option_ord.thy: Canonical order on option type.
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
   828
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   829
* Library/RBT.thy: Red-black trees, an efficient implementation of
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
   830
finite maps.
26197
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
   831
26231
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
   832
* Library/Countable.thy: Type class for countable types.
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
   833
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   834
* Theory Int: The representation of numerals has changed.  The infix
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   835
operator BIT and the bit datatype with constructors B0 and B1 have
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   836
disappeared.  INCOMPATIBILITY, use "Int.Bit0 x" and "Int.Bit1 y" in
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   837
place of "x BIT bit.B0" and "y BIT bit.B1", respectively.  Theorems
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   838
involving BIT, B0, or B1 have been renamed with "Bit0" or "Bit1"
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   839
accordingly.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   840
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   841
* Theory Nat: definition of <= and < on natural numbers no longer
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   842
depend on well-founded relations.  INCOMPATIBILITY.  Definitions
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   843
le_def and less_def have disappeared.  Consider lemmas not_less
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   844
[symmetric, where ?'a = nat] and less_eq [symmetric] instead.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   845
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   846
* Theory Finite_Set: locales ACf, ACe, ACIf, ACIfSL and ACIfSLlin
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   847
(whose purpose mainly is for various fold_set functionals) have been
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   848
abandoned in favor of the existing algebraic classes
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   849
ab_semigroup_mult, comm_monoid_mult, ab_semigroup_idem_mult,
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   850
lower_semilattice (resp. upper_semilattice) and linorder.
26139
f7823a676ef7 added accidental omissions
haftmann
parents: 26086
diff changeset
   851
INCOMPATIBILITY.
26041
c2e15e65165f locales ACf, ACIf, ACIfSL and ACIfSLlin have been abandoned in favour of the existing algebraic classes ab_semigroup_mult, ab_semigroup_idem_mult, lower_semilattice (resp. uper_semilattice) and linorder
haftmann
parents: 26013
diff changeset
   852
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   853
* Theory Transitive_Closure: induct and cases rules now declare proper
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   854
case_names ("base" and "step").  INCOMPATIBILITY.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   855
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   856
* Theorem Inductive.lfp_ordinal_induct generalized to complete
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   857
lattices.  The form set-specific version is available as
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   858
Inductive.lfp_ordinal_induct_set.
26013
8764a1f1253b Theorem Inductive.lfp_ordinal_induct generalized to complete lattices
haftmann
parents: 26006
diff changeset
   859
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   860
* Renamed theorems "power.simps" to "power_int.simps".
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   861
INCOMPATIBILITY.
25961
ec39d7e40554 moved definition of power on ints to theory Int
haftmann
parents: 25942
diff changeset
   862
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   863
* Class semiring_div provides basic abstract properties of semirings
25942
a52309ac4a4d added class semiring_div
haftmann
parents: 25919
diff changeset
   864
with division and modulo operations.  Subsumes former class dvd_mod.
a52309ac4a4d added class semiring_div
haftmann
parents: 25919
diff changeset
   865
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   866
* Merged theories IntDef, Numeral and IntArith into unified theory
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   867
Int.  INCOMPATIBILITY.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   868
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   869
* Theory Library/Code_Index: type "index" now represents natural
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   870
numbers rather than integers.  INCOMPATIBILITY.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   871
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   872
* New class "uminus" with operation "uminus" (split of from class
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
   873
"minus" which now only has operation "minus", binary).
25919
8b1c0d434824 joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents: 25900
diff changeset
   874
INCOMPATIBILITY.
8b1c0d434824 joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents: 25900
diff changeset
   875
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   876
* Constants "card", "internal_split", "option_map" now with authentic
25919
8b1c0d434824 joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents: 25900
diff changeset
   877
syntax.  INCOMPATIBILITY.
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   878
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   879
* Definitions subset_def, psubset_def, set_diff_def, Compl_def,
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   880
le_bool_def, less_bool_def, le_fun_def, less_fun_def, inf_bool_def,
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   881
sup_bool_def, Inf_bool_def, Sup_bool_def, inf_fun_def, sup_fun_def,
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   882
Inf_fun_def, Sup_fun_def, inf_set_def, sup_set_def, Inf_set_def,
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
   883
Sup_set_def, le_def, less_def, option_map_def now with object
25919
8b1c0d434824 joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents: 25900
diff changeset
   884
equality.  INCOMPATIBILITY.
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
   885
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25664
diff changeset
   886
* Records. Removed K_record, and replaced it by pure lambda term
25726
9728f319ffc6 * Metis prover an order of magnitude faster, works with multithreading.
wenzelm
parents: 25712
diff changeset
   887
%x. c. The simplifier setup is now more robust against eta expansion.
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25664
diff changeset
   888
INCOMPATIBILITY: in cases explicitly referring to K_record.
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
   889
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   890
* Library/Multiset: {#a, b, c#} abbreviates {#a#} + {#b#} + {#c#}.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   891
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   892
* Library/ListVector: new theory of arithmetic vector operations.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   893
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   894
* Library/Order_Relation: new theory of various orderings as sets of
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   895
pairs.  Defines preorders, partial orders, linear orders and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   896
well-orders on sets and on types.
26877
c3bb1f397811 NEWS about measure functions
krauss
parents: 26874
diff changeset
   897
25726
9728f319ffc6 * Metis prover an order of magnitude faster, works with multithreading.
wenzelm
parents: 25712
diff changeset
   898
26197
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
   899
*** ZF ***
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
   900
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   901
* Renamed some theories to allow to loading both ZF and HOL in the
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   902
same session:
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   903
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   904
  Datatype  -> Datatype_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   905
  Inductive -> Inductive_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   906
  Int       -> Int_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   907
  IntDiv    -> IntDiv_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   908
  Nat       -> Nat_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   909
  List      -> List_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   910
  Main      -> Main_ZF
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   911
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   912
INCOMPATIBILITY: ZF theories that import individual theories below
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   913
Main might need to be adapted.  Regular theory Main is still
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   914
available, as trivial extension of Main_ZF.
26197
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
   915
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
   916
25737
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
   917
*** ML ***
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
   918
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   919
* ML within Isar: antiquotation @{const name} or @{const
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   920
name(typargs)} produces statically-checked Const term.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   921
26401
e7a94081dce7 Functor NamedThmsFun: data is available to the user as dynamic fact;
wenzelm
parents: 26387
diff changeset
   922
* Functor NamedThmsFun: data is available to the user as dynamic fact
26724
ff6ff3a9010e NamedThmsFun: removed obsolete print command -- facts are accesible via dynamic name;
wenzelm
parents: 26718
diff changeset
   923
(of the same name).  Removed obsolete print command.
26401
e7a94081dce7 Functor NamedThmsFun: data is available to the user as dynamic fact;
wenzelm
parents: 26387
diff changeset
   924
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   925
* Removed obsolete "use_legacy_bindings" function.
26188
9cb1b484fe96 added @{const} antiquotation;
wenzelm
parents: 26180
diff changeset
   926
25737
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
   927
* The ``print mode'' is now a thread-local value derived from a global
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
   928
template (the former print_mode reference), thus access becomes
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
   929
non-critical.  The global print_mode reference is for session
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
   930
management only; user-code should use print_mode_value,
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
   931
print_mode_active, PrintMode.setmp etc.  INCOMPATIBILITY.
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
   932
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
   933
* Functions system/system_out provide a robust way to invoke external
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   934
shell commands, with propagation of interrupts (requires Poly/ML
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   935
5.2.1).  Do not use OS.Process.system etc. from the basis library!
26222
edf6473ac9e9 * system/system_out provides a robust way to invoke external shell
wenzelm
parents: 26218
diff changeset
   936
25737
84c92fc48e36 ``print mode'' is now a thread-local value derived from a global template;
wenzelm
parents: 25726
diff changeset
   937
25626
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
   938
*** System ***
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
   939
25971
wenzelm
parents: 25970
diff changeset
   940
* Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs ---
wenzelm
parents: 25970
diff changeset
   941
in accordance with Proof General 3.7, which prefers GNU emacs.
25970
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
   942
25626
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
   943
* isatool tty runs Isabelle process with plain tty interaction;
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
   944
optional line editor may be specified via ISABELLE_LINE_EDITOR
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
   945
setting, the default settings attempt to locate "ledit" and "rlwrap".
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
   946
25651
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
   947
* isatool browser now works with Cygwin as well, using general
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
   948
"javapath" function defined in Isabelle process environment.
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
   949
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   950
* YXML notation provides a simple and efficient alternative to
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   951
standard XML transfer syntax.  See src/Pure/General/yxml.ML and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   952
isatool yxml as described in the Isabelle system manual.
25651
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
   953
25652
wenzelm
parents: 25651
diff changeset
   954
* JVM class isabelle.IsabelleProcess (located in Isabelle/lib/classes)
25651
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
   955
provides general wrapper for managing an Isabelle process in a robust
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
   956
fashion, with ``cooked'' output from stdin/stderr.
6b2eb4e70ae3 * isatool browser now works with Cygwin;
wenzelm
parents: 25626
diff changeset
   957
25855
3aa0d86b4398 * Rudimentary Isabelle plugin for jEdit;
wenzelm
parents: 25778
diff changeset
   958
* Rudimentary Isabelle plugin for jEdit (see Isabelle/lib/jedit),
3aa0d86b4398 * Rudimentary Isabelle plugin for jEdit;
wenzelm
parents: 25778
diff changeset
   959
based on Isabelle/JVM process wrapper (see Isabelle/lib/classes).
3aa0d86b4398 * Rudimentary Isabelle plugin for jEdit;
wenzelm
parents: 25778
diff changeset
   960
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   961
* Removed obsolete THIS_IS_ISABELLE_BUILD feature.  NB: the documented
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   962
way of changing the user's settings is via
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   963
ISABELLE_HOME_USER/etc/settings, which is a fully featured bash
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   964
script.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   965
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   966
* Multithreading.max_threads := 0 refers to the number of actual CPU
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   967
cores of the underlying machine, which is a good starting point for
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   968
optimal performance tuning.  The corresponding usedir option -M allows
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   969
"max" as an alias for "0".  WARNING: does not work on certain versions
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   970
of Mac OS (with Poly/ML 5.1).
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   971
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   972
* isabelle-process: non-ML sessions are run with "nice", to reduce the
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   973
adverse effect of Isabelle flooding interactive front-ends (notably
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   974
ProofGeneral / XEmacs).
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
   975
25626
3000965b1fdf * isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents: 25609
diff changeset
   976
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
   977
25429
wenzelm
parents: 25409
diff changeset
   978
New in Isabelle2007 (November 2007)
wenzelm
parents: 25409
diff changeset
   979
-----------------------------------
17754
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
   980
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
   981
*** General ***
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
   982
22826
0f4c501a691e explicit treatment of legacy_features;
wenzelm
parents: 22799
diff changeset
   983
* More uniform information about legacy features, notably a
0f4c501a691e explicit treatment of legacy_features;
wenzelm
parents: 22799
diff changeset
   984
warning/error of "Legacy feature: ...", depending on the state of the
23367
wenzelm
parents: 23300
diff changeset
   985
tolerate_legacy_features flag (default true). FUTURE INCOMPATIBILITY:
wenzelm
parents: 23300
diff changeset
   986
legacy features will disappear eventually.
22826
0f4c501a691e explicit treatment of legacy_features;
wenzelm
parents: 22799
diff changeset
   987
17918
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
   988
* Theory syntax: the header format ``theory A = B + C:'' has been
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
   989
discontinued in favour of ``theory A imports B C begin''.  Use isatool
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
   990
fixheaders to convert existing theory files.  INCOMPATIBILITY.
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
   991
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
   992
* Theory syntax: the old non-Isar theory file format has been
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
   993
discontinued altogether.  Note that ML proof scripts may still be used
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
   994
with Isar theories; migration is usually quite simple with the ML
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
   995
function use_legacy_bindings.  INCOMPATIBILITY.
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
   996
22871
wenzelm
parents: 22863
diff changeset
   997
* Theory syntax: some popular names (e.g. 'class', 'declaration',
wenzelm
parents: 22863
diff changeset
   998
'fun', 'help', 'if') are now keywords.  INCOMPATIBILITY, use double
wenzelm
parents: 22863
diff changeset
   999
quotes.
19814
faa698d46686 * Theory syntax: some popular names (e.g. "class", "if") are now keywords.
wenzelm
parents: 19783
diff changeset
  1000
23888
babe337cce2d * Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents: 23881
diff changeset
  1001
* Theory loader: be more serious about observing the static theory
babe337cce2d * Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents: 23881
diff changeset
  1002
header specifications (including optional directories), but not the
24172
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1003
accidental file locations of previously successful loads.  The strict
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1004
update policy of former update_thy is now already performed by
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1005
use_thy, so the former has been removed; use_thys updates several
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1006
theories simultaneously, just as 'imports' within a theory header
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1007
specification, but without merging the results.  Potential
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1008
INCOMPATIBILITY: may need to refine theory headers and commands
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1009
ROOT.ML which depend on load order.
23888
babe337cce2d * Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents: 23881
diff changeset
  1010
babe337cce2d * Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents: 23881
diff changeset
  1011
* Theory loader: optional support for content-based file
babe337cce2d * Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents: 23881
diff changeset
  1012
identification, instead of the traditional scheme of full physical
23889
wenzelm
parents: 23888
diff changeset
  1013
path plus date stamp; configured by the ISABELLE_FILE_IDENT setting
23888
babe337cce2d * Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents: 23881
diff changeset
  1014
(cf. the system manual).  The new scheme allows to work with
babe337cce2d * Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents: 23881
diff changeset
  1015
non-finished theories in persistent session images, such that source
babe337cce2d * Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents: 23881
diff changeset
  1016
files may be moved later on without requiring reloads.
babe337cce2d * Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents: 23881
diff changeset
  1017
24187
8bdf5ca5871f * Theory loader: old-style ML proof scripts are considered a legacy feature;
wenzelm
parents: 24172
diff changeset
  1018
* Theory loader: old-style ML proof scripts being *attached* to a thy
8bdf5ca5871f * Theory loader: old-style ML proof scripts are considered a legacy feature;
wenzelm
parents: 24172
diff changeset
  1019
file (with the same base name as the theory) are considered a legacy
24800
3ab455b3d03b misc tuning and update;
wenzelm
parents: 24738
diff changeset
  1020
feature, which will disappear eventually. Even now, the theory loader
3ab455b3d03b misc tuning and update;
wenzelm
parents: 24738
diff changeset
  1021
no longer maintains dependencies on such files.
3ab455b3d03b misc tuning and update;
wenzelm
parents: 24738
diff changeset
  1022
3ab455b3d03b misc tuning and update;
wenzelm
parents: 24738
diff changeset
  1023
* Syntax: the scope for resolving ambiguities via type-inference is
3ab455b3d03b misc tuning and update;
wenzelm
parents: 24738
diff changeset
  1024
now limited to individual terms, instead of whole simultaneous
24234
4714e04fb8e9 * Syntax: scope for resolving ambiguities via type-inference is now limited to individual terms;
wenzelm
parents: 24213
diff changeset
  1025
specifications as before. This greatly reduces the complexity of the
4714e04fb8e9 * Syntax: scope for resolving ambiguities via type-inference is now limited to individual terms;
wenzelm
parents: 24213
diff changeset
  1026
syntax module and improves flexibility by separating parsing and
4714e04fb8e9 * Syntax: scope for resolving ambiguities via type-inference is now limited to individual terms;
wenzelm
parents: 24213
diff changeset
  1027
type-checking. INCOMPATIBILITY: additional type-constraints (explicit
4714e04fb8e9 * Syntax: scope for resolving ambiguities via type-inference is now limited to individual terms;
wenzelm
parents: 24213
diff changeset
  1028
'fixes' etc.) are required in rare situations.
4714e04fb8e9 * Syntax: scope for resolving ambiguities via type-inference is now limited to individual terms;
wenzelm
parents: 24213
diff changeset
  1029
25034
7f2e1a8e181b more on authentic syntax;
wenzelm
parents: 25033
diff changeset
  1030
* Syntax: constants introduced by new-style packages ('definition',
7f2e1a8e181b more on authentic syntax;
wenzelm
parents: 25033
diff changeset
  1031
'abbreviation' etc.) are passed through the syntax module in
7f2e1a8e181b more on authentic syntax;
wenzelm
parents: 25033
diff changeset
  1032
``authentic mode''. This means that associated mixfix annotations
7f2e1a8e181b more on authentic syntax;
wenzelm
parents: 25033
diff changeset
  1033
really stick to such constants, independently of potential name space
7f2e1a8e181b more on authentic syntax;
wenzelm
parents: 25033
diff changeset
  1034
ambiguities introduced later on. INCOMPATIBILITY: constants in parse
7f2e1a8e181b more on authentic syntax;
wenzelm
parents: 25033
diff changeset
  1035
trees are represented slightly differently, may need to adapt syntax
7f2e1a8e181b more on authentic syntax;
wenzelm
parents: 25033
diff changeset
  1036
translations accordingly. Use CONST marker in 'translations' and
7f2e1a8e181b more on authentic syntax;
wenzelm
parents: 25033
diff changeset
  1037
@{const_syntax} antiquotation in 'parse_translation' etc.
7f2e1a8e181b more on authentic syntax;
wenzelm
parents: 25033
diff changeset
  1038
17981
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
  1039
* Legacy goal package: reduced interface to the bare minimum required
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
  1040
to keep existing proof scripts running.  Most other user-level
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
  1041
functions are now part of the OldGoals structure, which is *not* open
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
  1042
by default (consider isatool expandshort before open OldGoals).
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
  1043
Removed top_sg, prin, printyp, pprint_term/typ altogether, because
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
  1044
these tend to cause confusion about the actual goal (!) context being
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
  1045
used here, which is not necessarily the same as the_context().
17918
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
  1046
23379
d0e3f790bd73 updated 'find_theorems' -- moved ProofGeneral specifics to ProofGeneral/CHANGES;
wenzelm
parents: 23377
diff changeset
  1047
* Command 'find_theorems': supports "*" wild-card in "name:"
d0e3f790bd73 updated 'find_theorems' -- moved ProofGeneral specifics to ProofGeneral/CHANGES;
wenzelm
parents: 23377
diff changeset
  1048
criterion; "with_dups" option.  Certain ProofGeneral versions might
d0e3f790bd73 updated 'find_theorems' -- moved ProofGeneral specifics to ProofGeneral/CHANGES;
wenzelm
parents: 23377
diff changeset
  1049
support a specific search form (see ProofGeneral/CHANGES).
22965
b81bbe298406 ProofGeneral: Find Theorems search form
webertj
parents: 22921
diff changeset
  1050
20370
217aada4f795 * ProofContext.prems_limit is now -1 by default;
wenzelm
parents: 20348
diff changeset
  1051
* The ``prems limit'' option (cf. ProofContext.prems_limit) is now -1
217aada4f795 * ProofContext.prems_limit is now -1 by default;
wenzelm
parents: 20348
diff changeset
  1052
by default, which means that "prems" (and also "fixed variables") are
217aada4f795 * ProofContext.prems_limit is now -1 by default;
wenzelm
parents: 20348
diff changeset
  1053
suppressed from proof state output.  Note that the ProofGeneral
217aada4f795 * ProofContext.prems_limit is now -1 by default;
wenzelm
parents: 20348
diff changeset
  1054
settings mechanism allows to change and save options persistently, but
217aada4f795 * ProofContext.prems_limit is now -1 by default;
wenzelm
parents: 20348
diff changeset
  1055
older versions of Isabelle will fail to start up if a negative prems
217aada4f795 * ProofContext.prems_limit is now -1 by default;
wenzelm
parents: 20348
diff changeset
  1056
limit is imposed.
217aada4f795 * ProofContext.prems_limit is now -1 by default;
wenzelm
parents: 20348
diff changeset
  1057
21308
73883a528b26 * Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents: 21265
diff changeset
  1058
* Local theory targets may be specified by non-nested blocks of
73883a528b26 * Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents: 21265
diff changeset
  1059
``context/locale/class ... begin'' followed by ``end''.  The body may
73883a528b26 * Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents: 21265
diff changeset
  1060
contain definitions, theorems etc., including any derived mechanism
73883a528b26 * Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents: 21265
diff changeset
  1061
that has been implemented on top of these primitives.  This concept
73883a528b26 * Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents: 21265
diff changeset
  1062
generalizes the existing ``theorem (in ...)'' towards more versatility
73883a528b26 * Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents: 21265
diff changeset
  1063
and scalability.
73883a528b26 * Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents: 21265
diff changeset
  1064
21960
0574f192b78a * Proof General: proper undo of final 'end'; discontinued Isabelle/classic;
wenzelm
parents: 21896
diff changeset
  1065
* Proof General interface: proper undo of final 'end' command;
0574f192b78a * Proof General: proper undo of final 'end'; discontinued Isabelle/classic;
wenzelm
parents: 21896
diff changeset
  1066
discontinued Isabelle/classic mode (ML proof scripts).
0574f192b78a * Proof General: proper undo of final 'end'; discontinued Isabelle/classic;
wenzelm
parents: 21896
diff changeset
  1067
17754
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
  1068
17865
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
  1069
*** Document preparation ***
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
  1070
21717
410ca6910f6f added antiquotation abbrev;
wenzelm
parents: 21647
diff changeset
  1071
* Added antiquotation @{theory name} which prints the given name,
410ca6910f6f added antiquotation abbrev;
wenzelm
parents: 21647
diff changeset
  1072
after checking that it refers to a valid ancestor theory in the
410ca6910f6f added antiquotation abbrev;
wenzelm
parents: 21647
diff changeset
  1073
current context.
21339
b59f7cca0b0c added antiquotation theory
haftmann
parents: 21320
diff changeset
  1074
17869
wenzelm
parents: 17865
diff changeset
  1075
* Added antiquotations @{ML_type text} and @{ML_struct text} which
wenzelm
parents: 17865
diff changeset
  1076
check the given source text as ML type/structure, printing verbatim.
17865
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
  1077
21717
410ca6910f6f added antiquotation abbrev;
wenzelm
parents: 21647
diff changeset
  1078
* Added antiquotation @{abbrev "c args"} which prints the abbreviation
410ca6910f6f added antiquotation abbrev;
wenzelm
parents: 21647
diff changeset
  1079
"c args == rhs" given in the current context.  (Any number of
21735
0c65e072f4be added print_abbrevs;
wenzelm
parents: 21717
diff changeset
  1080
arguments may be given on the LHS.)
21717
410ca6910f6f added antiquotation abbrev;
wenzelm
parents: 21647
diff changeset
  1081
410ca6910f6f added antiquotation abbrev;
wenzelm
parents: 21647
diff changeset
  1082
17779
407bea05c2da added dummy variable binding;
wenzelm
parents: 17754
diff changeset
  1083
*** Pure ***
407bea05c2da added dummy variable binding;
wenzelm
parents: 17754
diff changeset
  1084
24800
3ab455b3d03b misc tuning and update;
wenzelm
parents: 24738
diff changeset
  1085
* The 'class' package offers a combination of axclass and locale to
25129
de54445dc82c misc tuning;
wenzelm
parents: 25127
diff changeset
  1086
achieve Haskell-like type classes in Isabelle.  Definitions and
de54445dc82c misc tuning;
wenzelm
parents: 25127
diff changeset
  1087
theorems within a class context produce both relative results (with
de54445dc82c misc tuning;
wenzelm
parents: 25127
diff changeset
  1088
implicit parameters according to the locale context), and polymorphic
de54445dc82c misc tuning;
wenzelm
parents: 25127
diff changeset
  1089
constants with qualified polymorphism (according to the class
de54445dc82c misc tuning;
wenzelm
parents: 25127
diff changeset
  1090
context).  Within the body context of a 'class' target, a separate
de54445dc82c misc tuning;
wenzelm
parents: 25127
diff changeset
  1091
syntax layer ("user space type system") takes care of converting
de54445dc82c misc tuning;
wenzelm
parents: 25127
diff changeset
  1092
between global polymorphic consts and internal locale representation.
25177
f9ced25685e0 tuned file names etc.;
wenzelm
parents: 25163
diff changeset
  1093
See src/HOL/ex/Classpackage.thy for examples (as well as main HOL).
25184
haftmann
parents: 25177
diff changeset
  1094
"isatool doc classes" provides a tutorial.
20807
wenzelm
parents: 20716
diff changeset
  1095
25199
haftmann
parents: 25198
diff changeset
  1096
* Generic code generator framework allows to generate executable
24800
3ab455b3d03b misc tuning and update;
wenzelm
parents: 24738
diff changeset
  1097
code for ML and Haskell (including Isabelle classes).  A short usage
3ab455b3d03b misc tuning and update;
wenzelm
parents: 24738
diff changeset
  1098
sketch:
20188
8b22026445af added notes on class_package.ML and codegen_package.ML
haftmann
parents: 20169
diff changeset
  1099
8b22026445af added notes on class_package.ML and codegen_package.ML
haftmann
parents: 20169
diff changeset
  1100
    internal compilation:
25199
haftmann
parents: 25198
diff changeset
  1101
        export_code <list of constants (term syntax)> in SML
20453
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1102
    writing SML code to a file:
25199
haftmann
parents: 25198
diff changeset
  1103
        export_code <list of constants (term syntax)> in SML <filename>
22735
cf627add250a code generator changes
haftmann
parents: 22450
diff changeset
  1104
    writing OCaml code to a file:
25199
haftmann
parents: 25198
diff changeset
  1105
        export_code <list of constants (term syntax)> in OCaml <filename>
20188
8b22026445af added notes on class_package.ML and codegen_package.ML
haftmann
parents: 20169
diff changeset
  1106
    writing Haskell code to a bunch of files:
25199
haftmann
parents: 25198
diff changeset
  1107
        export_code <list of constants (term syntax)> in Haskell <filename>
haftmann
parents: 25198
diff changeset
  1108
haftmann
parents: 25198
diff changeset
  1109
    evaluating closed propositions to True/False using code generation:
25184
haftmann
parents: 25177
diff changeset
  1110
        method ``eval''
haftmann
parents: 25177
diff changeset
  1111
haftmann
parents: 25177
diff changeset
  1112
Reasonable default setup of framework in HOL.
20453
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1113
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1114
Theorem attributs for selecting and transforming function equations theorems:
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1115
22845
5f9138bcb3d7 changed code generator invocation syntax
haftmann
parents: 22826
diff changeset
  1116
    [code fun]:        select a theorem as function equation for a specific constant
5f9138bcb3d7 changed code generator invocation syntax
haftmann
parents: 22826
diff changeset
  1117
    [code fun del]:    deselect a theorem as function equation for a specific constant
5f9138bcb3d7 changed code generator invocation syntax
haftmann
parents: 22826
diff changeset
  1118
    [code inline]:     select an equation theorem for unfolding (inlining) in place
5f9138bcb3d7 changed code generator invocation syntax
haftmann
parents: 22826
diff changeset
  1119
    [code inline del]: deselect an equation theorem for unfolding (inlining) in place
20453
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1120
22735
cf627add250a code generator changes
haftmann
parents: 22450
diff changeset
  1121
User-defined serializations (target in {SML, OCaml, Haskell}):
20453
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1122
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1123
    code_const <and-list of constants (term syntax)>
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1124
      {(target) <and-list of const target syntax>}+
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1125
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1126
    code_type <and-list of type constructors>
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1127
      {(target) <and-list of type target syntax>}+
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1128
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1129
    code_instance <and-list of instances>
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1130
      {(target)}+
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1131
        where instance ::= <type constructor> :: <class>
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1132
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1133
    code_class <and_list of classes>
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1134
      {(target) <and-list of class target syntax>}+
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1135
        where class target syntax ::= <class name> {where {<classop> == <target syntax>}+}?
855f07fabd76 final syntax for some Isar code generator keywords
haftmann
parents: 20375
diff changeset
  1136
25199
haftmann
parents: 25198
diff changeset
  1137
code_instance and code_class only are effective to target Haskell.
22735
cf627add250a code generator changes
haftmann
parents: 22450
diff changeset
  1138
25177
f9ced25685e0 tuned file names etc.;
wenzelm
parents: 25163
diff changeset
  1139
For example usage see src/HOL/ex/Codegenerator.thy and
f9ced25685e0 tuned file names etc.;
wenzelm
parents: 25163
diff changeset
  1140
src/HOL/ex/Codegenerator_Pretty.thy.  A separate tutorial on code
24800
3ab455b3d03b misc tuning and update;
wenzelm
parents: 24738
diff changeset
  1141
generation from Isabelle/HOL theories is available via "isatool doc
3ab455b3d03b misc tuning and update;
wenzelm
parents: 24738
diff changeset
  1142
codegen".
20188
8b22026445af added notes on class_package.ML and codegen_package.ML
haftmann
parents: 20169
diff changeset
  1143
25129
de54445dc82c misc tuning;
wenzelm
parents: 25127
diff changeset
  1144
* Code generator: consts in 'consts_code' Isar commands are now
de54445dc82c misc tuning;
wenzelm
parents: 25127
diff changeset
  1145
referred to by usual term syntax (including optional type
de54445dc82c misc tuning;
wenzelm
parents: 25127
diff changeset
  1146
annotations).
de54445dc82c misc tuning;
wenzelm
parents: 25127
diff changeset
  1147
19254
efaf5d47049e Pure: no_translations;
wenzelm
parents: 19252
diff changeset
  1148
* Command 'no_translations' removes translation rules from theory
efaf5d47049e Pure: no_translations;
wenzelm
parents: 19252
diff changeset
  1149
syntax.
efaf5d47049e Pure: no_translations;
wenzelm
parents: 19252
diff changeset
  1150
19625
285771cec083 * Pure: overloaded definitions are now actually checked for acyclic dependencies;
wenzelm
parents: 19587
diff changeset
  1151
* Overloaded definitions are now actually checked for acyclic
19714
wenzelm
parents: 19711
diff changeset
  1152
dependencies.  The overloading scheme is slightly more general than
wenzelm
parents: 19711
diff changeset
  1153
that of Haskell98, although Isabelle does not demand an exact
wenzelm
parents: 19711
diff changeset
  1154
correspondence to type class and instance declarations.
wenzelm
parents: 19711
diff changeset
  1155
INCOMPATIBILITY, use ``defs (unchecked overloaded)'' to admit more
wenzelm
parents: 19711
diff changeset
  1156
exotic versions of overloading -- at the discretion of the user!
19711
2401b1a3087f Pure: update on overloaded defs;
wenzelm
parents: 19682
diff changeset
  1157
2401b1a3087f Pure: update on overloaded defs;
wenzelm
parents: 19682
diff changeset
  1158
Polymorphic constants are represented via type arguments, i.e. the
2401b1a3087f Pure: update on overloaded defs;
wenzelm
parents: 19682
diff changeset
  1159
instantiation that matches an instance against the most general
2401b1a3087f Pure: update on overloaded defs;
wenzelm
parents: 19682
diff changeset
  1160
declaration given in the signature.  For example, with the declaration
2401b1a3087f Pure: update on overloaded defs;
wenzelm
parents: 19682
diff changeset
  1161
c :: 'a => 'a => 'a, an instance c :: nat => nat => nat is represented
2401b1a3087f Pure: update on overloaded defs;
wenzelm
parents: 19682
diff changeset
  1162
as c(nat).  Overloading is essentially simultaneous structural
2401b1a3087f Pure: update on overloaded defs;
wenzelm
parents: 19682
diff changeset
  1163
recursion over such type arguments.  Incomplete specification patterns
19714
wenzelm
parents: 19711
diff changeset
  1164
impose global constraints on all occurrences, e.g. c('a * 'a) on the
19715
wenzelm
parents: 19714
diff changeset
  1165
LHS means that more general c('a * 'b) will be disallowed on any RHS.
19714
wenzelm
parents: 19711
diff changeset
  1166
Command 'print_theory' outputs the normalized system of recursive
wenzelm
parents: 19711
diff changeset
  1167
equations, see section "definitions".
19625
285771cec083 * Pure: overloaded definitions are now actually checked for acyclic dependencies;
wenzelm
parents: 19587
diff changeset
  1168
24086
21900a460ba4 * Configuration options;
wenzelm
parents: 24032
diff changeset
  1169
* Configuration options are maintained within the theory or proof
21900a460ba4 * Configuration options;
wenzelm
parents: 24032
diff changeset
  1170
context (with name and type bool/int/string), providing a very simple
21900a460ba4 * Configuration options;
wenzelm
parents: 24032
diff changeset
  1171
interface to a poor-man's version of general context data.  Tools may
24110
4ab3084e311c tuned config options: eliminated separate attribute "option";
wenzelm
parents: 24086
diff changeset
  1172
declare options in ML (e.g. using Attrib.config_int) and then refer to
4ab3084e311c tuned config options: eliminated separate attribute "option";
wenzelm
parents: 24086
diff changeset
  1173
these values using Config.get etc.  Users may change options via an
4ab3084e311c tuned config options: eliminated separate attribute "option";
wenzelm
parents: 24086
diff changeset
  1174
associated attribute of the same name.  This form of context
4ab3084e311c tuned config options: eliminated separate attribute "option";
wenzelm
parents: 24086
diff changeset
  1175
declaration works particularly well with commands 'declare' or
4ab3084e311c tuned config options: eliminated separate attribute "option";
wenzelm
parents: 24086
diff changeset
  1176
'using', for example ``declare [[foo = 42]]''.  Thus it has become
4ab3084e311c tuned config options: eliminated separate attribute "option";
wenzelm
parents: 24086
diff changeset
  1177
very easy to avoid global references, which would not observe Isar
4ab3084e311c tuned config options: eliminated separate attribute "option";
wenzelm
parents: 24086
diff changeset
  1178
toplevel undo/redo and fail to work with multithreading.
24086
21900a460ba4 * Configuration options;
wenzelm
parents: 24032
diff changeset
  1179
24172
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1180
Various global ML references of Pure and HOL have been turned into
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1181
configuration options:
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1182
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1183
  Unify.search_bound		unify_search_bound
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1184
  Unify.trace_bound		unify_trace_bound
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1185
  Unify.trace_simp		unify_trace_simp
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1186
  Unify.trace_types		unify_trace_types
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1187
  Simplifier.simp_depth_limit	simp_depth_limit
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1188
  Blast.depth_limit		blast_depth_limit
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1189
  DatatypeProp.dtK		datatype_distinctness_limit
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1190
  fast_arith_neq_limit  	fast_arith_neq_limit
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1191
  fast_arith_split_limit	fast_arith_split_limit
06e42cf7df4e theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents: 24110
diff changeset
  1192
24086
21900a460ba4 * Configuration options;
wenzelm
parents: 24032
diff changeset
  1193
* Named collections of theorems may be easily installed as context
24800
3ab455b3d03b misc tuning and update;
wenzelm
parents: 24738
diff changeset
  1194
data using the functor NamedThmsFun (see also
24086
21900a460ba4 * Configuration options;
wenzelm
parents: 24032
diff changeset
  1195
src/Pure/Tools/named_thms.ML).  The user may add or delete facts via
24110
4ab3084e311c tuned config options: eliminated separate attribute "option";
wenzelm
parents: 24086
diff changeset
  1196
attributes; there is also a toplevel print command.  This facility is
4ab3084e311c tuned config options: eliminated separate attribute "option";
wenzelm
parents: 24086
diff changeset
  1197
just a common case of general context data, which is the preferred way
4ab3084e311c tuned config options: eliminated separate attribute "option";
wenzelm
parents: 24086
diff changeset
  1198
for anything more complex than just a list of facts in canonical
4ab3084e311c tuned config options: eliminated separate attribute "option";
wenzelm
parents: 24086
diff changeset
  1199
order.
24086
21900a460ba4 * Configuration options;
wenzelm
parents: 24032
diff changeset
  1200
24032
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1201
* Isar: command 'declaration' augments a local theory by generic
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1202
declaration functions written in ML.  This enables arbitrary content
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1203
being added to the context, depending on a morphism that tells the
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1204
difference of the original declaration context wrt. the application
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1205
context encountered later on.
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1206
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1207
* Isar: proper interfaces for simplification procedures.  Command
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1208
'simproc_setup' declares named simprocs (with match patterns, and body
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1209
text in ML).  Attribute "simproc" adds/deletes simprocs in the current
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1210
context.  ML antiquotation @{simproc name} retrieves named simprocs.
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1211
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1212
* Isar: an extra pair of brackets around attribute declarations
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1213
abbreviates a theorem reference involving an internal dummy fact,
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1214
which will be ignored later --- only the effect of the attribute on
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1215
the background context will persist.  This form of in-place
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1216
declarations is particularly useful with commands like 'declare' and
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1217
'using', for example ``have A using [[simproc a]] by simp''.
b3d7eb6f535f * Isar: command 'declaration';
wenzelm
parents: 23977
diff changeset
  1218
23369
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1219
* Isar: method "assumption" (and implicit closing of subproofs) now
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1220
takes simple non-atomic goal assumptions into account: after applying
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1221
an assumption as a rule the resulting subgoals are solved by atomic
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1222
assumption steps.  This is particularly useful to finish 'obtain'
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1223
goals, such as "!!x. (!!x. P x ==> thesis) ==> P x ==> thesis",
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1224
without referring to the original premise "!!x. P x ==> thesis" in the
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1225
Isar proof context.  POTENTIAL INCOMPATIBILITY: method "assumption" is
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1226
more permissive.
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1227
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1228
* Isar: implicit use of prems from the Isar proof context is
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1229
considered a legacy feature.  Common applications like ``have A .''
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1230
may be replaced by ``have A by fact'' or ``note `A`''.  In general,
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1231
referencing facts explicitly here improves readability and
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1232
maintainability of proof texts.
227c51012cdb * Isar: method "assumption" (implicit closing of subproofs) takes non-atomic goal assumptions into account;
wenzelm
parents: 23367
diff changeset
  1233
17865
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
  1234
* Isar: improper proof element 'guess' is like 'obtain', but derives
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
  1235
the obtained context from the course of reasoning!  For example:
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
  1236
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
  1237
  assume "EX x y. A x & B y"   -- "any previous fact"
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
  1238
  then guess x and y by clarify
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
  1239
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
  1240
This technique is potentially adventurous, depending on the facts and
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
  1241
proof tools being involved here.
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
  1242
18020
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1243
* Isar: known facts from the proof context may be specified as literal
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1244
propositions, using ASCII back-quote syntax.  This works wherever
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1245
named facts used to be allowed so far, in proof commands, proof
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1246
methods, attributes etc.  Literal facts are retrieved from the context
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1247
according to unification of type and term parameters.  For example,
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1248
provided that "A" and "A ==> B" and "!!x. P x ==> Q x" are known
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1249
theorems in the current context, then these are valid literal facts:
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1250
`A` and `A ==> B` and `!!x. P x ==> Q x" as well as `P a ==> Q a` etc.
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1251
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1252
There is also a proof method "fact" which does the same composition
18044
wenzelm
parents: 18020
diff changeset
  1253
for explicit goal states, e.g. the following proof texts coincide with
wenzelm
parents: 18020
diff changeset
  1254
certain special cases of literal facts:
18020
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1255
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1256
  have "A" by fact                 ==  note `A`
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1257
  have "A ==> B" by fact           ==  note `A ==> B`
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1258
  have "!!x. P x ==> Q x" by fact  ==  note `!!x. P x ==> Q x`
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1259
  have "P a ==> Q a" by fact       ==  note `P a ==> Q a`
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1260
20118
0c1ec587a5a8 * Isar: ":" (colon) is no longer a symbolic identifier character;
wenzelm
parents: 20090
diff changeset
  1261
* Isar: ":" (colon) is no longer a symbolic identifier character in
0c1ec587a5a8 * Isar: ":" (colon) is no longer a symbolic identifier character;
wenzelm
parents: 20090
diff changeset
  1262
outer syntax.  Thus symbolic identifiers may be used without
0c1ec587a5a8 * Isar: ":" (colon) is no longer a symbolic identifier character;
wenzelm
parents: 20090
diff changeset
  1263
additional white space in declarations like this: ``assume *: A''.
0c1ec587a5a8 * Isar: ":" (colon) is no longer a symbolic identifier character;
wenzelm
parents: 20090
diff changeset
  1264
20013
57505678692d Isar: 'print_facts' prints all local facts;
wenzelm
parents: 19984
diff changeset
  1265
* Isar: 'print_facts' prints all local facts of the current context,
57505678692d Isar: 'print_facts' prints all local facts;
wenzelm
parents: 19984
diff changeset
  1266
both named and unnamed ones.
57505678692d Isar: 'print_facts' prints all local facts;
wenzelm
parents: 19984
diff changeset
  1267
18308
f18a54840629 simulaneous 'def';
wenzelm
parents: 18267
diff changeset
  1268
* Isar: 'def' now admits simultaneous definitions, e.g.:
f18a54840629 simulaneous 'def';
wenzelm
parents: 18267
diff changeset
  1269
f18a54840629 simulaneous 'def';
wenzelm
parents: 18267
diff changeset
  1270
  def x == "t" and y == "u"
f18a54840629 simulaneous 'def';
wenzelm
parents: 18267
diff changeset
  1271
18540
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
  1272
* Isar: added command 'unfolding', which is structurally similar to
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
  1273
'using', but affects both the goal state and facts by unfolding given
18815
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1274
rewrite rules.  Thus many occurrences of the 'unfold' method or
18540
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
  1275
'unfolded' attribute may be replaced by first-class proof text.
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
  1276
18815
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1277
* Isar: methods 'unfold' / 'fold', attributes 'unfolded' / 'folded',
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1278
and command 'unfolding' now all support object-level equalities
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1279
(potentially conditional).  The underlying notion of rewrite rule is
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1280
analogous to the 'rule_format' attribute, but *not* that of the
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1281
Simplifier (which is usually more generous).
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1282
24238
ae70f95e31de new attribute [rotated]
kleing
parents: 24234
diff changeset
  1283
* Isar: the new attribute [rotated n] (default n = 1) rotates the
ae70f95e31de new attribute [rotated]
kleing
parents: 24234
diff changeset
  1284
premises of a theorem by n. Useful in conjunction with drule.
ae70f95e31de new attribute [rotated]
kleing
parents: 24234
diff changeset
  1285
19220
05b00acff957 Isar/method: goal restriction;
wenzelm
parents: 19211
diff changeset
  1286
* Isar: the goal restriction operator [N] (default N = 1) evaluates a
05b00acff957 Isar/method: goal restriction;
wenzelm
parents: 19211
diff changeset
  1287
method expression within a sandbox consisting of the first N
19240
wenzelm
parents: 19233
diff changeset
  1288
sub-goals, which need to exist.  For example, ``simp_all [3]''
wenzelm
parents: 19233
diff changeset
  1289
simplifies the first three sub-goals, while (rule foo, simp_all)[]
wenzelm
parents: 19233
diff changeset
  1290
simplifies all new goals that emerge from applying rule foo to the
wenzelm
parents: 19233
diff changeset
  1291
originally first one.
19220
05b00acff957 Isar/method: goal restriction;
wenzelm
parents: 19211
diff changeset
  1292
19814
faa698d46686 * Theory syntax: some popular names (e.g. "class", "if") are now keywords.
wenzelm
parents: 19783
diff changeset
  1293
* Isar: schematic goals are no longer restricted to higher-order
faa698d46686 * Theory syntax: some popular names (e.g. "class", "if") are now keywords.
wenzelm
parents: 19783
diff changeset
  1294
patterns; e.g. ``lemma "?P(?x)" by (rule TrueI)'' now works as
faa698d46686 * Theory syntax: some popular names (e.g. "class", "if") are now keywords.
wenzelm
parents: 19783
diff changeset
  1295
expected.
faa698d46686 * Theory syntax: some popular names (e.g. "class", "if") are now keywords.
wenzelm
parents: 19783
diff changeset
  1296
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1297
* Isar: the conclusion of a long theorem statement is now either
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1298
'shows' (a simultaneous conjunction, as before), or 'obtains'
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1299
(essentially a disjunction of cases with local parameters and
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1300
assumptions).  The latter allows to express general elimination rules
18910
wenzelm
parents: 18901
diff changeset
  1301
adequately; in this notation common elimination rules look like this:
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1302
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1303
  lemma exE:    -- "EX x. P x ==> (!!x. P x ==> thesis) ==> thesis"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1304
    assumes "EX x. P x"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1305
    obtains x where "P x"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1306
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1307
  lemma conjE:  -- "A & B ==> (A ==> B ==> thesis) ==> thesis"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1308
    assumes "A & B"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1309
    obtains A and B
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1310
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1311
  lemma disjE:  -- "A | B ==> (A ==> thesis) ==> (B ==> thesis) ==> thesis"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1312
    assumes "A | B"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1313
    obtains
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1314
      A
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1315
    | B
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1316
18910
wenzelm
parents: 18901
diff changeset
  1317
The subsequent classical rules even refer to the formal "thesis"
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1318
explicitly:
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1319
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1320
  lemma classical:     -- "(~ thesis ==> thesis) ==> thesis"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1321
    obtains "~ thesis"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1322
18910
wenzelm
parents: 18901
diff changeset
  1323
  lemma Peirce's_Law:  -- "((thesis ==> something) ==> thesis) ==> thesis"
wenzelm
parents: 18901
diff changeset
  1324
    obtains "thesis ==> something"
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1325
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1326
The actual proof of an 'obtains' statement is analogous to that of the
18910
wenzelm
parents: 18901
diff changeset
  1327
Isar proof element 'obtain', only that there may be several cases.
wenzelm
parents: 18901
diff changeset
  1328
Optional case names may be specified in parentheses; these will be
wenzelm
parents: 18901
diff changeset
  1329
available both in the present proof and as annotations in the
wenzelm
parents: 18901
diff changeset
  1330
resulting rule, for later use with the 'cases' method (cf. attribute
wenzelm
parents: 18901
diff changeset
  1331
case_names).
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1332
21447
379f130843f7 * Isar: the assumptions of a long theorem statement are available as assms;
wenzelm
parents: 21406
diff changeset
  1333
* Isar: the assumptions of a long theorem statement are available as
379f130843f7 * Isar: the assumptions of a long theorem statement are available as assms;
wenzelm
parents: 21406
diff changeset
  1334
"assms" fact in the proof context.  This is more appropriate than the
379f130843f7 * Isar: the assumptions of a long theorem statement are available as assms;
wenzelm
parents: 21406
diff changeset
  1335
(historical) "prems", which refers to all assumptions of the current
379f130843f7 * Isar: the assumptions of a long theorem statement are available as assms;
wenzelm
parents: 21406
diff changeset
  1336
context, including those from the target locale, proof body etc.
379f130843f7 * Isar: the assumptions of a long theorem statement are available as assms;
wenzelm
parents: 21406
diff changeset
  1337
19263
a86d09815dac print_statement;
wenzelm
parents: 19254
diff changeset
  1338
* Isar: 'print_statement' prints theorems from the current theory or
a86d09815dac print_statement;
wenzelm
parents: 19254
diff changeset
  1339
proof context in long statement form, according to the syntax of a
a86d09815dac print_statement;
wenzelm
parents: 19254
diff changeset
  1340
top-level lemma.
a86d09815dac print_statement;
wenzelm
parents: 19254
diff changeset
  1341
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1342
* Isar: 'obtain' takes an optional case name for the local context
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1343
introduction rule (default "that").
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
  1344
19587
eb063e7932d7 * Isar: removed obsolete 'concl is' patterns.
wenzelm
parents: 19572
diff changeset
  1345
* Isar: removed obsolete 'concl is' patterns.  INCOMPATIBILITY, use
eb063e7932d7 * Isar: removed obsolete 'concl is' patterns.
wenzelm
parents: 19572
diff changeset
  1346
explicit (is "_ ==> ?foo") in the rare cases where this still happens
eb063e7932d7 * Isar: removed obsolete 'concl is' patterns.
wenzelm
parents: 19572
diff changeset
  1347
to occur.
eb063e7932d7 * Isar: removed obsolete 'concl is' patterns.
wenzelm
parents: 19572
diff changeset
  1348
19682
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents: 19665
diff changeset
  1349
* Pure: syntax "CONST name" produces a fully internalized constant
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents: 19665
diff changeset
  1350
according to the current context.  This is particularly useful for
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents: 19665
diff changeset
  1351
syntax translations that should refer to internal constant
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents: 19665
diff changeset
  1352
representations independently of name spaces.
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents: 19665
diff changeset
  1353
21537
45b3a85ee548 * Pure: syntax constant for foo (binder) is called foo_binder;
wenzelm
parents: 21471
diff changeset
  1354
* Pure: syntax constant for foo (binder "FOO ") is called "foo_binder"
45b3a85ee548 * Pure: syntax constant for foo (binder) is called foo_binder;
wenzelm
parents: 21471
diff changeset
  1355
instead of "FOO ". This allows multiple binder declarations to coexist
45b3a85ee548 * Pure: syntax constant for foo (binder) is called foo_binder;
wenzelm
parents: 21471
diff changeset
  1356
in the same context.  INCOMPATIBILITY.
45b3a85ee548 * Pure: syntax constant for foo (binder) is called foo_binder;
wenzelm
parents: 21471
diff changeset
  1357
21209
dbb8decc36bc 'const_syntax' command: allow fixed variables, renamed to 'notation';
wenzelm
parents: 21200
diff changeset
  1358
* Isar/locales: 'notation' provides a robust interface to the 'syntax'
dbb8decc36bc 'const_syntax' command: allow fixed variables, renamed to 'notation';
wenzelm
parents: 21200
diff changeset
  1359
primitive that also works in a locale context (both for constants and
24950
106fc30769a9 added 'no_notation';
wenzelm
parents: 24924
diff changeset
  1360
fixed variables). Type declaration and internal syntactic representation
106fc30769a9 added 'no_notation';
wenzelm
parents: 24924
diff changeset
  1361
of given constants retrieved from the context. Likewise, the
106fc30769a9 added 'no_notation';
wenzelm
parents: 24924
diff changeset
  1362
'no_notation' command allows to remove given syntax annotations from the
106fc30769a9 added 'no_notation';
wenzelm
parents: 24924
diff changeset
  1363
current context.
19682
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents: 19665
diff changeset
  1364
19665
8885951e9c2d * Isar/locale: 'const_syntax';
wenzelm
parents: 19653
diff changeset
  1365
* Isar/locales: new derived specification elements 'axiomatization',
8885951e9c2d * Isar/locale: 'const_syntax';
wenzelm
parents: 19653
diff changeset
  1366
'definition', 'abbreviation', which support type-inference, admit
19083
wenzelm
parents: 19081
diff changeset
  1367
object-level specifications (equality, equivalence).  See also the
wenzelm
parents: 19081
diff changeset
  1368
isar-ref manual.  Examples:
19081
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
  1369
19665
8885951e9c2d * Isar/locale: 'const_syntax';
wenzelm
parents: 19653
diff changeset
  1370
  axiomatization
21595
wenzelm
parents: 21545
diff changeset
  1371
    eq  (infix "===" 50) where
wenzelm
parents: 21545
diff changeset
  1372
    eq_refl: "x === x" and eq_subst: "x === y ==> P x ==> P y"
wenzelm
parents: 21545
diff changeset
  1373
wenzelm
parents: 21545
diff changeset
  1374
  definition "f x y = x + y + 1"
wenzelm
parents: 21545
diff changeset
  1375
  definition g where "g x = f x x"
19081
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
  1376
19363
667b5ea637dd refined 'abbreviation';
wenzelm
parents: 19279
diff changeset
  1377
  abbreviation
21595
wenzelm
parents: 21545
diff changeset
  1378
    neq  (infix "=!=" 50) where
19363
667b5ea637dd refined 'abbreviation';
wenzelm
parents: 19279
diff changeset
  1379
    "x =!= y == ~ (x === y)"
19081
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
  1380
19083
wenzelm
parents: 19081
diff changeset
  1381
These specifications may be also used in a locale context.  Then the
wenzelm
parents: 19081
diff changeset
  1382
constants being introduced depend on certain fixed parameters, and the
wenzelm
parents: 19081
diff changeset
  1383
constant name is qualified by the locale base name.  An internal
wenzelm
parents: 19081
diff changeset
  1384
abbreviation takes care for convenient input and output, making the
19088
wenzelm
parents: 19084
diff changeset
  1385
parameters implicit and using the original short name.  See also
25177
f9ced25685e0 tuned file names etc.;
wenzelm
parents: 25163
diff changeset
  1386
src/HOL/ex/Abstract_NAT.thy for an example of deriving polymorphic
19083
wenzelm
parents: 19081
diff changeset
  1387
entities from a monomorphic theory.
wenzelm
parents: 19081
diff changeset
  1388
wenzelm
parents: 19081
diff changeset
  1389
Presently, abbreviations are only available 'in' a target locale, but
19363
667b5ea637dd refined 'abbreviation';
wenzelm
parents: 19279
diff changeset
  1390
not inherited by general import expressions.  Also note that
667b5ea637dd refined 'abbreviation';
wenzelm
parents: 19279
diff changeset
  1391
'abbreviation' may be used as a type-safe replacement for 'syntax' +