NEWS
author haftmann
Fri, 17 Mar 2006 09:34:23 +0100
changeset 19277 f7602e74d948
parent 19263 a86d09815dac
child 19279 48b527d0331b
permissions -rw-r--r--
renamed op < <= to Orderings.less(_eq)
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
17754
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
     4
New in this Isabelle release
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
     5
----------------------------
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
     6
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
     7
*** General ***
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
     8
17918
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
     9
* 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
    10
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
    11
fixheaders to convert existing theory files.  INCOMPATIBILITY.
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
    12
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
    13
* 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
    14
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
    15
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
    16
function use_legacy_bindings.  INCOMPATIBILITY.
93e26302733e * Theory syntax: discontinued non-Isar format and old Isar headers;
wenzelm
parents: 17890
diff changeset
    17
17981
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
    18
* 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
    19
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
    20
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
    21
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
    22
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
    23
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
    24
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
    25
17754
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
    26
* Command 'find_theorems': support "*" wildcard in "name:" criterion.
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
    27
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
    28
17865
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    29
*** Document preparation ***
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    30
17869
wenzelm
parents: 17865
diff changeset
    31
* Added antiquotations @{ML_type text} and @{ML_struct text} which
wenzelm
parents: 17865
diff changeset
    32
check the given source text as ML type/structure, printing verbatim.
17865
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    33
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    34
17779
407bea05c2da added dummy variable binding;
wenzelm
parents: 17754
diff changeset
    35
*** Pure ***
407bea05c2da added dummy variable binding;
wenzelm
parents: 17754
diff changeset
    36
19254
efaf5d47049e Pure: no_translations;
wenzelm
parents: 19252
diff changeset
    37
* Command 'no_translations' removes translation rules from theory
efaf5d47049e Pure: no_translations;
wenzelm
parents: 19252
diff changeset
    38
syntax.
efaf5d47049e Pure: no_translations;
wenzelm
parents: 19252
diff changeset
    39
17865
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    40
* Isar: improper proof element 'guess' is like 'obtain', but derives
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    41
the obtained context from the course of reasoning!  For example:
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    42
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    43
  assume "EX x y. A x & B y"   -- "any previous fact"
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    44
  then guess x and y by clarify
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    45
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    46
This technique is potentially adventurous, depending on the facts and
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    47
proof tools being involved here.
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
    48
18020
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    49
* Isar: known facts from the proof context may be specified as literal
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    50
propositions, using ASCII back-quote syntax.  This works wherever
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    51
named facts used to be allowed so far, in proof commands, proof
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    52
methods, attributes etc.  Literal facts are retrieved from the context
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    53
according to unification of type and term parameters.  For example,
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    54
provided that "A" and "A ==> B" and "!!x. P x ==> Q x" are known
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    55
theorems in the current context, then these are valid literal facts:
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    56
`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
    57
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    58
There is also a proof method "fact" which does the same composition
18044
wenzelm
parents: 18020
diff changeset
    59
for explicit goal states, e.g. the following proof texts coincide with
wenzelm
parents: 18020
diff changeset
    60
certain special cases of literal facts:
18020
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    61
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    62
  have "A" by fact                 ==  note `A`
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    63
  have "A ==> B" by fact           ==  note `A ==> B`
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    64
  have "!!x. P x ==> Q x" by fact  ==  note `!!x. P x ==> Q x`
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    65
  have "P a ==> Q a" by fact       ==  note `P a ==> Q a`
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
    66
18308
f18a54840629 simulaneous 'def';
wenzelm
parents: 18267
diff changeset
    67
* Isar: 'def' now admits simultaneous definitions, e.g.:
f18a54840629 simulaneous 'def';
wenzelm
parents: 18267
diff changeset
    68
f18a54840629 simulaneous 'def';
wenzelm
parents: 18267
diff changeset
    69
  def x == "t" and y == "u"
f18a54840629 simulaneous 'def';
wenzelm
parents: 18267
diff changeset
    70
18540
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
    71
* Isar: added command 'unfolding', which is structurally similar to
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
    72
'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
    73
rewrite rules.  Thus many occurrences of the 'unfold' method or
18540
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
    74
'unfolded' attribute may be replaced by first-class proof text.
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
    75
18815
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
    76
* Isar: methods 'unfold' / 'fold', attributes 'unfolded' / 'folded',
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
    77
and command 'unfolding' now all support object-level equalities
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
    78
(potentially conditional).  The underlying notion of rewrite rule is
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
    79
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
    80
Simplifier (which is usually more generous).
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
    81
19220
05b00acff957 Isar/method: goal restriction;
wenzelm
parents: 19211
diff changeset
    82
* Isar: the goal restriction operator [N] (default N = 1) evaluates a
05b00acff957 Isar/method: goal restriction;
wenzelm
parents: 19211
diff changeset
    83
method expression within a sandbox consisting of the first N
19240
wenzelm
parents: 19233
diff changeset
    84
sub-goals, which need to exist.  For example, ``simp_all [3]''
wenzelm
parents: 19233
diff changeset
    85
simplifies the first three sub-goals, while (rule foo, simp_all)[]
wenzelm
parents: 19233
diff changeset
    86
simplifies all new goals that emerge from applying rule foo to the
wenzelm
parents: 19233
diff changeset
    87
originally first one.
19220
05b00acff957 Isar/method: goal restriction;
wenzelm
parents: 19211
diff changeset
    88
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
    89
* Isar: the conclusion of a long theorem statement is now either
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
    90
'shows' (a simultaneous conjunction, as before), or 'obtains'
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
    91
(essentially a disjunction of cases with local parameters and
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
    92
assumptions).  The latter allows to express general elimination rules
18910
wenzelm
parents: 18901
diff changeset
    93
adequately; in this notation common elimination rules look like this:
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
    94
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
    95
  lemma exE:    -- "EX x. P x ==> (!!x. P x ==> thesis) ==> thesis"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
    96
    assumes "EX x. P x"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
    97
    obtains x where "P x"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
    98
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
    99
  lemma conjE:  -- "A & B ==> (A ==> B ==> thesis) ==> thesis"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   100
    assumes "A & B"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   101
    obtains A and B
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   102
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   103
  lemma disjE:  -- "A | B ==> (A ==> thesis) ==> (B ==> thesis) ==> thesis"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   104
    assumes "A | B"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   105
    obtains
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   106
      A
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   107
    | B
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   108
18910
wenzelm
parents: 18901
diff changeset
   109
The subsequent classical rules even refer to the formal "thesis"
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   110
explicitly:
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   111
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   112
  lemma classical:     -- "(~ thesis ==> thesis) ==> thesis"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   113
    obtains "~ thesis"
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   114
18910
wenzelm
parents: 18901
diff changeset
   115
  lemma Peirce's_Law:  -- "((thesis ==> something) ==> thesis) ==> thesis"
wenzelm
parents: 18901
diff changeset
   116
    obtains "thesis ==> something"
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   117
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   118
The actual proof of an 'obtains' statement is analogous to that of the
18910
wenzelm
parents: 18901
diff changeset
   119
Isar proof element 'obtain', only that there may be several cases.
wenzelm
parents: 18901
diff changeset
   120
Optional case names may be specified in parentheses; these will be
wenzelm
parents: 18901
diff changeset
   121
available both in the present proof and as annotations in the
wenzelm
parents: 18901
diff changeset
   122
resulting rule, for later use with the 'cases' method (cf. attribute
wenzelm
parents: 18901
diff changeset
   123
case_names).
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   124
19263
a86d09815dac print_statement;
wenzelm
parents: 19254
diff changeset
   125
* Isar: 'print_statement' prints theorems from the current theory or
a86d09815dac print_statement;
wenzelm
parents: 19254
diff changeset
   126
proof context in long statement form, according to the syntax of a
a86d09815dac print_statement;
wenzelm
parents: 19254
diff changeset
   127
top-level lemma.
a86d09815dac print_statement;
wenzelm
parents: 19254
diff changeset
   128
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   129
* Isar: 'obtain' takes an optional case name for the local context
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   130
introduction rule (default "that").
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   131
19081
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   132
* Isar/locales: new derived specification elements 'definition',
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   133
'abbreviation', 'axiomatization', which support type-inference, admit
19083
wenzelm
parents: 19081
diff changeset
   134
object-level specifications (equality, equivalence).  See also the
wenzelm
parents: 19081
diff changeset
   135
isar-ref manual.  Examples:
19081
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   136
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   137
  definition
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   138
    "f x y = x + y + 1"
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   139
    "g x = f x x"
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   140
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   141
  thm f_def g_def
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   142
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   143
  axiomatization
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   144
    eq  (infix "===" 50)
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   145
    where eq_refl: "x === x" and eq_subst: "x === y ==> P x ==> P y"
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   146
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   147
  abbreviation (output)
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   148
    neq  (infix "=!=" 50)
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   149
    "(x =!= y) <-> ~ (x === y)"
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   150
19083
wenzelm
parents: 19081
diff changeset
   151
These specifications may be also used in a locale context.  Then the
wenzelm
parents: 19081
diff changeset
   152
constants being introduced depend on certain fixed parameters, and the
wenzelm
parents: 19081
diff changeset
   153
constant name is qualified by the locale base name.  An internal
wenzelm
parents: 19081
diff changeset
   154
abbreviation takes care for convenient input and output, making the
19088
wenzelm
parents: 19084
diff changeset
   155
parameters implicit and using the original short name.  See also
19083
wenzelm
parents: 19081
diff changeset
   156
HOL/ex/Abstract_NAT.thy for an example of deriving polymorphic
wenzelm
parents: 19081
diff changeset
   157
entities from a monomorphic theory.
wenzelm
parents: 19081
diff changeset
   158
wenzelm
parents: 19081
diff changeset
   159
Presently, abbreviations are only available 'in' a target locale, but
wenzelm
parents: 19081
diff changeset
   160
not inherited by general import expressions.
19081
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   161
19084
wenzelm
parents: 19083
diff changeset
   162
Also note that 'abbreviation' may be used as a type-safe replacement
wenzelm
parents: 19083
diff changeset
   163
for 'syntax' + 'translations' in common applications.
wenzelm
parents: 19083
diff changeset
   164
18233
wenzelm
parents: 18145
diff changeset
   165
* Provers/induct: improved internal context management to support
wenzelm
parents: 18145
diff changeset
   166
local fixes and defines on-the-fly.  Thus explicit meta-level
wenzelm
parents: 18145
diff changeset
   167
connectives !! and ==> are rarely required anymore in inductive goals
wenzelm
parents: 18145
diff changeset
   168
(using object-logic connectives for this purpose has been long
wenzelm
parents: 18145
diff changeset
   169
obsolete anyway).  The subsequent proof patterns illustrate advanced
wenzelm
parents: 18145
diff changeset
   170
techniques of natural induction; general datatypes and inductive sets
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   171
work analogously (see also src/HOL/Lambda for realistic examples).
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   172
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   173
(1) This is how to ``strengthen'' an inductive goal wrt. certain
18239
wenzelm
parents: 18238
diff changeset
   174
parameters:
18233
wenzelm
parents: 18145
diff changeset
   175
wenzelm
parents: 18145
diff changeset
   176
  lemma
wenzelm
parents: 18145
diff changeset
   177
    fixes n :: nat and x :: 'a
wenzelm
parents: 18145
diff changeset
   178
    assumes a: "A n x"
wenzelm
parents: 18145
diff changeset
   179
    shows "P n x"
wenzelm
parents: 18145
diff changeset
   180
    using a                     -- {* make induct insert fact a *}
wenzelm
parents: 18145
diff changeset
   181
  proof (induct n fixing: x)    -- {* generalize goal to "!!x. A n x ==> P n x" *}
18248
wenzelm
parents: 18239
diff changeset
   182
    case 0
18233
wenzelm
parents: 18145
diff changeset
   183
    show ?case sorry
wenzelm
parents: 18145
diff changeset
   184
  next
18248
wenzelm
parents: 18239
diff changeset
   185
    case (Suc n)
18239
wenzelm
parents: 18238
diff changeset
   186
    note `!!x. A n x ==> P n x` -- {* induction hypothesis, according to induction rule *}
wenzelm
parents: 18238
diff changeset
   187
    note `A (Suc n) x`          -- {* induction premise, stemming from fact a *}
18233
wenzelm
parents: 18145
diff changeset
   188
    show ?case sorry
wenzelm
parents: 18145
diff changeset
   189
  qed
wenzelm
parents: 18145
diff changeset
   190
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   191
(2) This is how to perform induction over ``expressions of a certain
18233
wenzelm
parents: 18145
diff changeset
   192
form'', using a locally defined inductive parameter n == "a x"
18239
wenzelm
parents: 18238
diff changeset
   193
together with strengthening (the latter is usually required to get
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   194
sufficiently flexible induction hypotheses):
18233
wenzelm
parents: 18145
diff changeset
   195
wenzelm
parents: 18145
diff changeset
   196
  lemma
wenzelm
parents: 18145
diff changeset
   197
    fixes a :: "'a => nat"
wenzelm
parents: 18145
diff changeset
   198
    assumes a: "A (a x)"
wenzelm
parents: 18145
diff changeset
   199
    shows "P (a x)"
wenzelm
parents: 18145
diff changeset
   200
    using a
wenzelm
parents: 18145
diff changeset
   201
  proof (induct n == "a x" fixing: x)
wenzelm
parents: 18145
diff changeset
   202
    ...
wenzelm
parents: 18145
diff changeset
   203
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   204
See also HOL/Isar_examples/Puzzle.thy for an application of the this
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   205
particular technique.
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   206
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   207
(3) This is how to perform existential reasoning ('obtains' or
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   208
'obtain') by induction, while avoiding explicit object-logic
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   209
encodings:
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   210
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   211
  lemma
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   212
    fixes n :: nat
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   213
    obtains x :: 'a where "P n x" and "Q n x"
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   214
  proof (induct n fixing: thesis)
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   215
    case 0
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   216
    obtain x where "P 0 x" and "Q 0 x" sorry
18399
651438736fa1 Provers/induct: coinduct;
wenzelm
parents: 18370
diff changeset
   217
    then show thesis by (rule 0)
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   218
  next
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   219
    case (Suc n)
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   220
    obtain x where "P n x" and "Q n x" by (rule Suc.hyps)
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   221
    obtain x where "P (Suc n) x" and "Q (Suc n) x" sorry
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   222
    then show thesis by (rule Suc.prems)
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   223
  qed
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   224
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   225
Here the 'fixing: thesis' specification essentially modifies the scope
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   226
of the formal thesis parameter, in order to the get the whole
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   227
existence statement through the induction as expected.
18233
wenzelm
parents: 18145
diff changeset
   228
18506
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   229
* Provers/induct: mutual induction rules are now specified as a list
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   230
of rule sharing the same induction cases.  HOL packages usually
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   231
provide foo_bar.inducts for mutually defined items foo and bar
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   232
(e.g. inductive sets or datatypes).  INCOMPATIBILITY, users need to
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   233
specify mutual induction rules differently, i.e. like this:
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   234
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   235
  (induct rule: foo_bar.inducts)
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   236
  (induct set: foo bar)
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   237
  (induct type: foo bar)
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   238
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   239
The ML function ProjectRule.projections turns old-style rules into the
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   240
new format.
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   241
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   242
* Provers/induct: improved handling of simultaneous goals.  Instead of
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   243
introducing object-level conjunction, the statement is now split into
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   244
several conclusions, while the corresponding symbolic cases are
18601
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   245
nested accordingly.  INCOMPATIBILITY, proofs need to be structured
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   246
explicitly.  For example:
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   247
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   248
  lemma
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   249
    fixes n :: nat
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   250
    shows "P n" and "Q n"
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   251
  proof (induct n)
18601
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   252
    case 0 case 1
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   253
    show "P 0" sorry
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   254
  next
18601
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   255
    case 0 case 2
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   256
    show "Q 0" sorry
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   257
  next
18601
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   258
    case (Suc n) case 1
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   259
    note `P n` and `Q n`
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   260
    show "P (Suc n)" sorry
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   261
  next
18601
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   262
    case (Suc n) case 2
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   263
    note `P n` and `Q n`
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   264
    show "Q (Suc n)" sorry
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   265
  qed
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   266
18601
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   267
The split into subcases may be deferred as follows -- this is
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   268
particularly relevant for goal statements with local premises.
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   269
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   270
  lemma
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   271
    fixes n :: nat
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   272
    shows "A n ==> P n" and "B n ==> Q n"
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   273
  proof (induct n)
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   274
    case 0
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   275
    {
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   276
      case 1
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   277
      note `A 0`
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   278
      show "P 0" sorry
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   279
    next
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   280
      case 2
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   281
      note `B 0`
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   282
      show "Q 0" sorry
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   283
    }
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   284
  next
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   285
    case (Suc n)
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   286
    note `A n ==> P n` and `B n ==> Q n`
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   287
    {
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   288
      case 1
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   289
      note `A (Suc n)`
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   290
      show "P (Suc n)" sorry
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   291
    next
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   292
      case 2
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   293
      note `B (Suc n)`
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   294
      show "Q (Suc n)" sorry
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   295
    }
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   296
  qed
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   297
18506
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   298
If simultaneous goals are to be used with mutual rules, the statement
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   299
needs to be structured carefully as a two-level conjunction, using
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   300
lists of propositions separated by 'and':
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   301
18507
wenzelm
parents: 18506
diff changeset
   302
  lemma
wenzelm
parents: 18506
diff changeset
   303
    shows "a : A ==> P1 a"
wenzelm
parents: 18506
diff changeset
   304
          "a : A ==> P2 a"
wenzelm
parents: 18506
diff changeset
   305
      and "b : B ==> Q1 b"
wenzelm
parents: 18506
diff changeset
   306
          "b : B ==> Q2 b"
wenzelm
parents: 18506
diff changeset
   307
          "b : B ==> Q3 b"
wenzelm
parents: 18506
diff changeset
   308
  proof (induct set: A B)
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   309
18399
651438736fa1 Provers/induct: coinduct;
wenzelm
parents: 18370
diff changeset
   310
* Provers/induct: support coinduction as well.  See
651438736fa1 Provers/induct: coinduct;
wenzelm
parents: 18370
diff changeset
   311
src/HOL/Library/Coinductive_List.thy for various examples.
651438736fa1 Provers/induct: coinduct;
wenzelm
parents: 18370
diff changeset
   312
18674
98d380757893 *** empty log message ***
nipkow
parents: 18644
diff changeset
   313
* Simplifier: by default the simplifier trace only shows top level rewrites
98d380757893 *** empty log message ***
nipkow
parents: 18644
diff changeset
   314
now. That is, trace_simp_depth_limit is set to 1 by default. Thus there is
98d380757893 *** empty log message ***
nipkow
parents: 18644
diff changeset
   315
less danger of being flooded by the trace. The trace indicates where parts
98d380757893 *** empty log message ***
nipkow
parents: 18644
diff changeset
   316
have been suppressed.
98d380757893 *** empty log message ***
nipkow
parents: 18644
diff changeset
   317
  
18536
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   318
* Provers/classical: removed obsolete classical version of elim_format
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   319
attribute; classical elim/dest rules are now treated uniformly when
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   320
manipulating the claset.
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   321
18694
83f50ac6ddcb * Classical: optional weight for attributes;
wenzelm
parents: 18687
diff changeset
   322
* Provers/classical: stricter checks to ensure that supplied intro,
83f50ac6ddcb * Classical: optional weight for attributes;
wenzelm
parents: 18687
diff changeset
   323
dest and elim rules are well-formed; dest and elim rules must have at
83f50ac6ddcb * Classical: optional weight for attributes;
wenzelm
parents: 18687
diff changeset
   324
least one premise.
83f50ac6ddcb * Classical: optional weight for attributes;
wenzelm
parents: 18687
diff changeset
   325
83f50ac6ddcb * Classical: optional weight for attributes;
wenzelm
parents: 18687
diff changeset
   326
* Provers/classical: attributes dest/elim/intro take an optional
18695
wenzelm
parents: 18694
diff changeset
   327
weight argument for the rule (just as the Pure versions).  Weights are
18696
wenzelm
parents: 18695
diff changeset
   328
ignored by automated tools, but determine the search order of single
18694
83f50ac6ddcb * Classical: optional weight for attributes;
wenzelm
parents: 18687
diff changeset
   329
rule steps.
18557
60a0f9caa0a2 Provers/classical: stricter checks to ensure that supplied intro, dest and
paulson
parents: 18549
diff changeset
   330
18536
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   331
* Syntax: input syntax now supports dummy variable binding "%_. b",
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   332
where the body does not mention the bound variable.  Note that dummy
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   333
patterns implicitly depend on their context of bounds, which makes
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   334
"{_. _}" match any set comprehension as expected.  Potential
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   335
INCOMPATIBILITY -- parse translations need to cope with syntactic
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   336
constant "_idtdummy" in the binding position.
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   337
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   338
* Syntax: removed obsolete syntactic constant "_K" and its associated
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   339
parse translation.  INCOMPATIBILITY -- use dummy abstraction instead,
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   340
for example "A -> B" => "Pi A (%_. B)".
17779
407bea05c2da added dummy variable binding;
wenzelm
parents: 17754
diff changeset
   341
17865
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
   342
17806
b6a547bfb419 *** empty log message ***
nipkow
parents: 17780
diff changeset
   343
*** HOL ***
b6a547bfb419 *** empty log message ***
nipkow
parents: 17780
diff changeset
   344
17996
71f250e05e05 * HOL: alternative iff syntax;
wenzelm
parents: 17991
diff changeset
   345
* Alternative iff syntax "A <-> B" for equality on bool (with priority
71f250e05e05 * HOL: alternative iff syntax;
wenzelm
parents: 17991
diff changeset
   346
25 like -->); output depends on the "iff" print_mode, the default is
71f250e05e05 * HOL: alternative iff syntax;
wenzelm
parents: 17991
diff changeset
   347
"A = B" (with priority 50).
71f250e05e05 * HOL: alternative iff syntax;
wenzelm
parents: 17991
diff changeset
   348
19277
f7602e74d948 renamed op < <= to Orderings.less(_eq)
haftmann
parents: 19263
diff changeset
   349
* Renamed some (legacy-named) constants in HOL.thy and Orderings.thy:
19233
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   350
    op +   ~> HOL.plus
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   351
    op -   ~> HOL.minus
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   352
    uminus ~> HOL.uminus
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   353
    op *   ~> HOL.times
19277
f7602e74d948 renamed op < <= to Orderings.less(_eq)
haftmann
parents: 19263
diff changeset
   354
    op <   ~> Orderings.less
f7602e74d948 renamed op < <= to Orderings.less(_eq)
haftmann
parents: 19263
diff changeset
   355
    op <=  ~> Orderings.less_eq
19233
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   356
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   357
Adaptions may be required in the following cases:
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   358
19277
f7602e74d948 renamed op < <= to Orderings.less(_eq)
haftmann
parents: 19263
diff changeset
   359
a) User-defined constants using any of the names "plus", "minus", "times", "less"
f7602e74d948 renamed op < <= to Orderings.less(_eq)
haftmann
parents: 19263
diff changeset
   360
or "less_eq". The standard syntax translations for "+", "-" and "*" may go wrong.
19233
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   361
INCOMPATIBILITY: use more specific names.
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   362
19277
f7602e74d948 renamed op < <= to Orderings.less(_eq)
haftmann
parents: 19263
diff changeset
   363
b) Variables named "plus", "minus", "times", "less", "less_eq"
19233
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   364
INCOMPATIBILITY: use more specific names.
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   365
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   366
c) Commutative equations theorems (e. g. "a + b = b + a")
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   367
Since the changing of names also changes the order of terms, commutative rewrites
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   368
perhaps will be applied when not applied before or the other way round.
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   369
Experience shows that thiis is rarely the case (only two adaptions in the whole
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   370
Isabelle distribution).
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   371
INCOMPATIBILITY: rewrite proof; sometimes already an exchange of a distributive
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   372
law may suffice.
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   373
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   374
d) ML code directly refering to constant names
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   375
This in general only affects hand-written proof tactics, simprocs and so on.
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   376
INCOMPATIBILITY: grep your sourcecode and replace names.
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   377
18674
98d380757893 *** empty log message ***
nipkow
parents: 18644
diff changeset
   378
* "LEAST x:A. P" expands to "LEAST x. x:A & P" (input only).
98d380757893 *** empty log message ***
nipkow
parents: 18644
diff changeset
   379
17865
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
   380
* In the context of the assumption "~(s = t)" the Simplifier rewrites
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
   381
"t = s" to False (by simproc "neq_simproc").  For backward
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
   382
compatibility this can be disabled by ML "reset use_neq_simproc".
17779
407bea05c2da added dummy variable binding;
wenzelm
parents: 17754
diff changeset
   383
18979
f0873dcc880f *** empty log message ***
nipkow
parents: 18910
diff changeset
   384
* "m dvd n" where m and n are numbers is evaluated to True/False by simp.
f0873dcc880f *** empty log message ***
nipkow
parents: 18910
diff changeset
   385
19211
307dfa3f9e66 *** empty log message ***
nipkow
parents: 19088
diff changeset
   386
* Theorem Cons_eq_map_conv no longer has attribute `simp'.
307dfa3f9e66 *** empty log message ***
nipkow
parents: 19088
diff changeset
   387
307dfa3f9e66 *** empty log message ***
nipkow
parents: 19088
diff changeset
   388
* Prefer ex1I over ex_ex1I in single-step reasoning, e.g. by the
307dfa3f9e66 *** empty log message ***
nipkow
parents: 19088
diff changeset
   389
'rule' method.
307dfa3f9e66 *** empty log message ***
nipkow
parents: 19088
diff changeset
   390
17809
195045659c06 Tactics sat and satx reimplemented, several improvements
webertj
parents: 17806
diff changeset
   391
* Tactics 'sat' and 'satx' reimplemented, several improvements: goals
195045659c06 Tactics sat and satx reimplemented, several improvements
webertj
parents: 17806
diff changeset
   392
no longer need to be stated as "<prems> ==> False", equivalences (i.e.
17865
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
   393
"=" on type bool) are handled, variable names of the form "lit_<n>"
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
   394
are no longer reserved, significant speedup.
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
   395
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   396
* inductive and datatype: provide projections of mutual rules, bundled
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   397
as foo_bar.inducts;
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   398
18446
wenzelm
parents: 18422
diff changeset
   399
* Library: added theory Coinductive_List of potentially infinite lists
wenzelm
parents: 18422
diff changeset
   400
as greatest fixed-point.
18399
651438736fa1 Provers/induct: coinduct;
wenzelm
parents: 18370
diff changeset
   401
19254
efaf5d47049e Pure: no_translations;
wenzelm
parents: 19252
diff changeset
   402
* Library: added theory AssocList which implements (finite) maps as
19252
1f7c69a5faac entry for Library/AssocList
schirmer
parents: 19240
diff changeset
   403
association lists.
17809
195045659c06 Tactics sat and satx reimplemented, several improvements
webertj
parents: 17806
diff changeset
   404
19254
efaf5d47049e Pure: no_translations;
wenzelm
parents: 19252
diff changeset
   405
17878
wenzelm
parents: 17869
diff changeset
   406
*** ML ***
wenzelm
parents: 17869
diff changeset
   407
18450
e57731ba01dd discontinued unflat in favour of burrow and burrow_split
haftmann
parents: 18446
diff changeset
   408
* Pure/library:
e57731ba01dd discontinued unflat in favour of burrow and burrow_split
haftmann
parents: 18446
diff changeset
   409
e57731ba01dd discontinued unflat in favour of burrow and burrow_split
haftmann
parents: 18446
diff changeset
   410
  val burrow: ('a list -> 'b list) -> 'a list list -> 'b list list
18549
5308a6ea3b96 rearranged burrow_split to fold_burrow to allow composition with fold_map
haftmann
parents: 18540
diff changeset
   411
  val fold_burrow: ('a list -> 'c -> 'b list * 'd) -> 'a list list -> 'c -> 'b list list * 'd
18450
e57731ba01dd discontinued unflat in favour of burrow and burrow_split
haftmann
parents: 18446
diff changeset
   412
18540
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   413
The semantics of "burrow" is: "take a function with *simulatanously*
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   414
transforms a list of value, and apply it *simulatanously* to a list of
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   415
list of values of the appropriate type". Confer this with "map" which
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   416
would *not* apply its argument function simulatanously but in
18549
5308a6ea3b96 rearranged burrow_split to fold_burrow to allow composition with fold_map
haftmann
parents: 18540
diff changeset
   417
sequence. "fold_burrow" has an additional context.
18540
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   418
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   419
Both actually avoid the usage of "unflat" since they hide away
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   420
"unflat" from the user.
18450
e57731ba01dd discontinued unflat in favour of burrow and burrow_split
haftmann
parents: 18446
diff changeset
   421
18446
wenzelm
parents: 18422
diff changeset
   422
* Pure/library: functions map2 and fold2 with curried syntax for
wenzelm
parents: 18422
diff changeset
   423
simultanous mapping and folding:
wenzelm
parents: 18422
diff changeset
   424
18422
875451c9d253 re-arranged tuples (theory * 'a) to ('a * theory) in Pure
haftmann
parents: 18399
diff changeset
   425
    val map2: ('a -> 'b -> 'c) -> 'a list -> 'b list -> 'c list
875451c9d253 re-arranged tuples (theory * 'a) to ('a * theory) in Pure
haftmann
parents: 18399
diff changeset
   426
    val fold2: ('a -> 'b -> 'c -> 'c) -> 'a list -> 'b list -> 'c -> 'c
875451c9d253 re-arranged tuples (theory * 'a) to ('a * theory) in Pure
haftmann
parents: 18399
diff changeset
   427
18446
wenzelm
parents: 18422
diff changeset
   428
* Pure/library: indexed lists - some functions in the Isabelle library
wenzelm
parents: 18422
diff changeset
   429
treating lists over 'a as finite mappings from [0...n] to 'a have been
wenzelm
parents: 18422
diff changeset
   430
given more convenient names and signatures reminiscent of similar
wenzelm
parents: 18422
diff changeset
   431
functions for alists, tables, etc:
18051
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   432
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   433
  val nth: 'a list -> int -> 'a 
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   434
  val nth_update: int * 'a -> 'a list -> 'a list
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   435
  val nth_map: int -> ('a -> 'a) -> 'a list -> 'a list
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   436
  val fold_index: (int * 'a -> 'b -> 'b) -> 'a list -> 'b -> 'b
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   437
18446
wenzelm
parents: 18422
diff changeset
   438
Note that fold_index starts counting at index 0, not 1 like foldln
wenzelm
parents: 18422
diff changeset
   439
used to.
wenzelm
parents: 18422
diff changeset
   440
19032
wenzelm
parents: 19006
diff changeset
   441
* Pure/General/name_mangler.ML provides a functor for generic name
18446
wenzelm
parents: 18422
diff changeset
   442
mangling (bijective mapping from any expression values to strings).
wenzelm
parents: 18422
diff changeset
   443
19032
wenzelm
parents: 19006
diff changeset
   444
* Pure/General/rat.ML implements rational numbers.
wenzelm
parents: 19006
diff changeset
   445
wenzelm
parents: 19006
diff changeset
   446
* Pure/General/table.ML: the join operations now works via exceptions
19081
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   447
DUP/SAME instead of type option.  This is simpler in simple cases, and
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
parents: 19034
diff changeset
   448
admits slightly more efficient complex applications.
18446
wenzelm
parents: 18422
diff changeset
   449
18642
6954633b6a76 * ML: generic context, data, attributes;
wenzelm
parents: 18601
diff changeset
   450
* Pure: datatype Context.generic joins theory/Proof.context and
18644
wenzelm
parents: 18642
diff changeset
   451
provides some facilities for code that works in either kind of
18642
6954633b6a76 * ML: generic context, data, attributes;
wenzelm
parents: 18601
diff changeset
   452
context, notably GenericDataFun for uniform theory and proof data.
6954633b6a76 * ML: generic context, data, attributes;
wenzelm
parents: 18601
diff changeset
   453
18862
bd83590be0f7 * Pure: 'advanced' translation functions use Context.generic instead of just theory;
wenzelm
parents: 18815
diff changeset
   454
* Pure: 'advanced' translation functions (parse_translation etc.) now
bd83590be0f7 * Pure: 'advanced' translation functions use Context.generic instead of just theory;
wenzelm
parents: 18815
diff changeset
   455
use Context.generic instead of just theory.
bd83590be0f7 * Pure: 'advanced' translation functions use Context.generic instead of just theory;
wenzelm
parents: 18815
diff changeset
   456
18737
78d6ae887f6e * ML: simplified type attribute;
wenzelm
parents: 18722
diff changeset
   457
* Pure: simplified internal attribute type, which is now always
78d6ae887f6e * ML: simplified type attribute;
wenzelm
parents: 18722
diff changeset
   458
Context.generic * thm -> Context.generic * thm.  Global (theory)
78d6ae887f6e * ML: simplified type attribute;
wenzelm
parents: 18722
diff changeset
   459
vs. local (Proof.context) attributes have been discontinued, while
18738
wenzelm
parents: 18737
diff changeset
   460
minimizing code duplication.  Thm.rule_attribute and
wenzelm
parents: 18737
diff changeset
   461
Thm.declaration_attribute build canonical attributes; see also
19006
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   462
structure Context for further operations on Context.generic, notably
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   463
GenericDataFun.  INCOMPATIBILITY, need to adapt attribute type
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   464
declarations and definitions.
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   465
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   466
* Pure/Isar: Args/Attrib parsers operate on Context.generic --
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   467
global/local versions on theory vs. Proof.context have been
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   468
discontinued; Attrib.syntax and Method.syntax have been adapted
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   469
accordingly.  INCOMPATIBILITY, need to adapt parser expressions for
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   470
attributes, methods, etc.
18642
6954633b6a76 * ML: generic context, data, attributes;
wenzelm
parents: 18601
diff changeset
   471
18446
wenzelm
parents: 18422
diff changeset
   472
* Pure: several functions of signature "... -> theory -> theory * ..."
wenzelm
parents: 18422
diff changeset
   473
have been reoriented to "... -> theory -> ... * theory" in order to
wenzelm
parents: 18422
diff changeset
   474
allow natural usage in combination with the ||>, ||>>, |-> and
wenzelm
parents: 18422
diff changeset
   475
fold_map combinators.
18051
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   476
18020
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
   477
* Pure: primitive rule lift_rule now takes goal cterm instead of an
18145
6757627acf59 renamed Thm.cgoal_of to Thm.cprem_of;
wenzelm
parents: 18051
diff changeset
   478
actual goal state (thm).  Use Thm.lift_rule (Thm.cprem_of st i) to
18020
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
   479
achieve the old behaviour.
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
   480
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
   481
* Pure: the "Goal" constant is now called "prop", supporting a
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
   482
slightly more general idea of ``protecting'' meta-level rule
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
   483
statements.
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
   484
18567
ecdd71518f33 * Pure/Isar: Toplevel.theory_theory_to_proof;
wenzelm
parents: 18557
diff changeset
   485
* Pure: structure Goal provides simple interfaces for
17981
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
   486
init/conclude/finish and tactical prove operations (replacing former
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
   487
Tactic.prove).  Note that OldGoals.prove_goalw_cterm has long been
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
   488
obsolete, it is ill-behaved in a local proof context (e.g. with local
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
   489
fixes/assumes or in a locale context).
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
   490
18815
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
   491
* Isar: simplified treatment of user-level errors, using exception
18687
wenzelm
parents: 18686
diff changeset
   492
ERROR of string uniformly.  Function error now merely raises ERROR,
18686
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   493
without any side effect on output channels.  The Isar toplevel takes
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   494
care of proper display of ERROR exceptions.  ML code may use plain
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   495
handle/can/try; cat_error may be used to concatenate errors like this:
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   496
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   497
  ... handle ERROR msg => cat_error msg "..."
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   498
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   499
Toplevel ML code (run directly or through the Isar toplevel) may be
18687
wenzelm
parents: 18686
diff changeset
   500
embedded into the Isar toplevel with exception display/debug like
wenzelm
parents: 18686
diff changeset
   501
this:
18686
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   502
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   503
  Isar.toplevel (fn () => ...)
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   504
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   505
INCOMPATIBILITY, removed special transform_error facilities, removed
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   506
obsolete variants of user-level exceptions (ERROR_MESSAGE,
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   507
Context.PROOF, ProofContext.CONTEXT, Proof.STATE, ProofHistory.FAIL)
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   508
-- use plain ERROR instead.
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
   509
18815
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
   510
* Isar: theory setup now has type (theory -> theory), instead of a
18722
0888eca0f1be * ML/Isar: theory setup has type (theory -> theory);
wenzelm
parents: 18696
diff changeset
   511
list.  INCOMPATIBILITY, may use #> to compose setup functions.
0888eca0f1be * ML/Isar: theory setup has type (theory -> theory);
wenzelm
parents: 18696
diff changeset
   512
18815
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
   513
* Isar: installed ML toplevel pretty printer for type Proof.context,
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
   514
subject to ProofContext.debug/verbose flags.
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
   515
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
   516
* Isar: Toplevel.theory_to_proof admits transactions that modify the
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
   517
theory before entering a proof state.  Transactions now always see a
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
   518
quasi-functional intermediate checkpoint, both in interactive and
18590
f6a553aa3d81 Pure/Isar: Toplevel.theory_to_proof admits transactions that modify the theory;
wenzelm
parents: 18568
diff changeset
   519
batch mode.
18567
ecdd71518f33 * Pure/Isar: Toplevel.theory_theory_to_proof;
wenzelm
parents: 18557
diff changeset
   520
17878
wenzelm
parents: 17869
diff changeset
   521
* Simplifier: the simpset of a running simplification process now
wenzelm
parents: 17869
diff changeset
   522
contains a proof context (cf. Simplifier.the_context), which is the
wenzelm
parents: 17869
diff changeset
   523
very context that the initial simpset has been retrieved from (by
17890
fddb41d3cfa5 Simplifier.context/theory_context;
wenzelm
parents: 17887
diff changeset
   524
simpset_of/local_simpset_of).  Consequently, all plug-in components
17878
wenzelm
parents: 17869
diff changeset
   525
(solver, looper etc.) may depend on arbitrary proof data.
wenzelm
parents: 17869
diff changeset
   526
wenzelm
parents: 17869
diff changeset
   527
* Simplifier.inherit_context inherits the proof context (plus the
wenzelm
parents: 17869
diff changeset
   528
local bounds) of the current simplification process; any simproc
wenzelm
parents: 17869
diff changeset
   529
etc. that calls the Simplifier recursively should do this!  Removed
wenzelm
parents: 17869
diff changeset
   530
former Simplifier.inherit_bounds, which is already included here --
17890
fddb41d3cfa5 Simplifier.context/theory_context;
wenzelm
parents: 17887
diff changeset
   531
INCOMPATIBILITY.  Tools based on low-level rewriting may even have to
fddb41d3cfa5 Simplifier.context/theory_context;
wenzelm
parents: 17887
diff changeset
   532
specify an explicit context using Simplifier.context/theory_context.
17878
wenzelm
parents: 17869
diff changeset
   533
wenzelm
parents: 17869
diff changeset
   534
* Simplifier/Classical Reasoner: more abstract interfaces
wenzelm
parents: 17869
diff changeset
   535
change_simpset/claset for modifying the simpset/claset reference of a
wenzelm
parents: 17869
diff changeset
   536
theory; raw versions simpset/claset_ref etc. have been discontinued --
wenzelm
parents: 17869
diff changeset
   537
INCOMPATIBILITY.
wenzelm
parents: 17869
diff changeset
   538
18540
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   539
* Provers: more generic wrt. syntax of object-logics, avoid hardwired
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   540
"Trueprop" etc.
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   541
17878
wenzelm
parents: 17869
diff changeset
   542
17754
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
   543
17720
da9199e6b674 Isabelle2005 (October 2005);
wenzelm
parents: 17701
diff changeset
   544
New in Isabelle2005 (October 2005)
da9199e6b674 Isabelle2005 (October 2005);
wenzelm
parents: 17701
diff changeset
   545
----------------------------------
14655
8a95abf87dd3 Pure: considerably improved version of 'constdefs' command;
wenzelm
parents: 14624
diff changeset
   546
8a95abf87dd3 Pure: considerably improved version of 'constdefs' command;
wenzelm
parents: 14624
diff changeset
   547
*** General ***
8a95abf87dd3 Pure: considerably improved version of 'constdefs' command;
wenzelm
parents: 14624
diff changeset
   548
15130
dc6be28d7f4e *** empty log message ***
nipkow
parents: 15127
diff changeset
   549
* Theory headers: the new header syntax for Isar theories is
dc6be28d7f4e *** empty log message ***
nipkow
parents: 15127
diff changeset
   550
dc6be28d7f4e *** empty log message ***
nipkow
parents: 15127
diff changeset
   551
  theory <name>
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   552
  imports <theory1> ... <theoryN>
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   553
  uses <file1> ... <fileM>
15130
dc6be28d7f4e *** empty log message ***
nipkow
parents: 15127
diff changeset
   554
  begin
dc6be28d7f4e *** empty log message ***
nipkow
parents: 15127
diff changeset
   555
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   556
where the 'uses' part is optional.  The previous syntax
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   557
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   558
  theory <name> = <theory1> + ... + <theoryN>:
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   559
16717
710a7a7a2b65 isatool fixheaders;
wenzelm
parents: 16690
diff changeset
   560
will disappear in the next release.  Use isatool fixheaders to convert
710a7a7a2b65 isatool fixheaders;
wenzelm
parents: 16690
diff changeset
   561
existing theory files.  Note that there is no change in ancient
17371
wenzelm
parents: 17275
diff changeset
   562
non-Isar theories now, but these will disappear soon.
15130
dc6be28d7f4e *** empty log message ***
nipkow
parents: 15127
diff changeset
   563
15475
fdf9434b04ea - Proofs are now hidden by default when generating documents
berghofe
parents: 15454
diff changeset
   564
* Theory loader: parent theories can now also be referred to via
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   565
relative and absolute paths.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   566
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   567
* Command 'find_theorems' searches for a list of criteria instead of a
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   568
list of constants. Known criteria are: intro, elim, dest, name:string,
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   569
simp:term, and any term. Criteria can be preceded by '-' to select
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   570
theorems that do not match. Intro, elim, dest select theorems that
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   571
match the current goal, name:s selects theorems whose fully qualified
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   572
name contain s, and simp:term selects all simplification rules whose
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   573
lhs match term.  Any other term is interpreted as pattern and selects
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   574
all theorems matching the pattern. Available in ProofGeneral under
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   575
'ProofGeneral -> Find Theorems' or C-c C-f.  Example:
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   576
17275
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   577
  C-c C-f (100) "(_::nat) + _ + _" intro -name: "HOL."
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   578
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   579
prints the last 100 theorems matching the pattern "(_::nat) + _ + _",
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   580
matching the current goal as introduction rule and not having "HOL."
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   581
in their name (i.e. not being defined in theory HOL).
16013
3010430d894d removed find_rewrites (superceded by improved thms_containing);
wenzelm
parents: 16000
diff changeset
   582
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   583
* Command 'thms_containing' has been discontinued in favour of
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   584
'find_theorems'; INCOMPATIBILITY.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   585
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   586
* Communication with Proof General is now 8bit clean, which means that
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   587
Unicode text in UTF-8 encoding may be used within theory texts (both
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
   588
formal and informal parts).  Cf. option -U of the Isabelle Proof
17538
wenzelm
parents: 17535
diff changeset
   589
General interface.  Here are some simple examples (cf. src/HOL/ex):
wenzelm
parents: 17535
diff changeset
   590
wenzelm
parents: 17535
diff changeset
   591
  http://isabelle.in.tum.de/library/HOL/ex/Hebrew.html
wenzelm
parents: 17535
diff changeset
   592
  http://isabelle.in.tum.de/library/HOL/ex/Chinese.html
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   593
17425
67c84a7d29f7 * Improved efficiency of the Simplifier etc.;
wenzelm
parents: 17423
diff changeset
   594
* Improved efficiency of the Simplifier and, to a lesser degree, the
67c84a7d29f7 * Improved efficiency of the Simplifier etc.;
wenzelm
parents: 17423
diff changeset
   595
Classical Reasoner.  Typical big applications run around 2 times
67c84a7d29f7 * Improved efficiency of the Simplifier etc.;
wenzelm
parents: 17423
diff changeset
   596
faster.
67c84a7d29f7 * Improved efficiency of the Simplifier etc.;
wenzelm
parents: 17423
diff changeset
   597
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   598
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   599
*** Document preparation ***
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   600
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   601
* Commands 'display_drafts' and 'print_drafts' perform simple output
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   602
of raw sources.  Only those symbols that do not require additional
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   603
LaTeX packages (depending on comments in isabellesym.sty) are
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   604
displayed properly, everything else is left verbatim.  isatool display
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   605
and isatool print are used as front ends (these are subject to the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   606
DVI/PDF_VIEWER and PRINT_COMMAND settings, respectively).
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   607
17047
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   608
* Command tags control specific markup of certain regions of text,
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   609
notably folding and hiding.  Predefined tags include "theory" (for
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   610
theory begin and end), "proof" for proof commands, and "ML" for
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   611
commands involving ML code; the additional tags "visible" and
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   612
"invisible" are unused by default.  Users may give explicit tag
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   613
specifications in the text, e.g. ''by %invisible (auto)''.  The
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   614
interpretation of tags is determined by the LaTeX job during document
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   615
preparation: see option -V of isatool usedir, or options -n and -t of
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   616
isatool document, or even the LaTeX macros \isakeeptag, \isafoldtag,
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   617
\isadroptag.
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   618
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   619
Several document versions may be produced at the same time via isatool
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   620
usedir (the generated index.html will link all of them).  Typical
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   621
specifications include ''-V document=theory,proof,ML'' to present
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   622
theory/proof/ML parts faithfully, ''-V outline=/proof,/ML'' to fold
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   623
proof and ML commands, and ''-V mutilated=-theory,-proof,-ML'' to omit
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   624
these parts without any formal replacement text.  The Isabelle site
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   625
default settings produce ''document'' and ''outline'' versions as
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
   626
specified above.
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   627
17402
41f1249bce37 AList, the_*
haftmann
parents: 17398
diff changeset
   628
* Several new antiquotations:
15979
wenzelm
parents: 15973
diff changeset
   629
wenzelm
parents: 15973
diff changeset
   630
  @{term_type term} prints a term with its type annotated;
wenzelm
parents: 15973
diff changeset
   631
wenzelm
parents: 15973
diff changeset
   632
  @{typeof term} prints the type of a term;
wenzelm
parents: 15973
diff changeset
   633
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   634
  @{const const} is the same as @{term const}, but checks that the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   635
  argument is a known logical constant;
15979
wenzelm
parents: 15973
diff changeset
   636
wenzelm
parents: 15973
diff changeset
   637
  @{term_style style term} and @{thm_style style thm} print a term or
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   638
  theorem applying a "style" to it
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   639
17117
e2bed9e82454 * The ML antiquotation prints type-checked ML expressions verbatim.
wenzelm
parents: 17097
diff changeset
   640
  @{ML text}
e2bed9e82454 * The ML antiquotation prints type-checked ML expressions verbatim.
wenzelm
parents: 17097
diff changeset
   641
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   642
Predefined styles are 'lhs' and 'rhs' printing the lhs/rhs of
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   643
definitions, equations, inequations etc., 'concl' printing only the
17393
23b7e14ce640 ... prem19
schirmer
parents: 17389
diff changeset
   644
conclusion of a meta-logical statement theorem, and 'prem1' .. 'prem19'
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   645
to print the specified premise.  TermStyle.add_style provides an ML
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   646
interface for introducing further styles.  See also the "LaTeX Sugar"
17117
e2bed9e82454 * The ML antiquotation prints type-checked ML expressions verbatim.
wenzelm
parents: 17097
diff changeset
   647
document practical applications.  The ML antiquotation prints
e2bed9e82454 * The ML antiquotation prints type-checked ML expressions verbatim.
wenzelm
parents: 17097
diff changeset
   648
type-checked ML expressions verbatim.
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   649
17259
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
wenzelm
parents: 17228
diff changeset
   650
* Markup commands 'chapter', 'section', 'subsection', 'subsubsection',
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
wenzelm
parents: 17228
diff changeset
   651
and 'text' support optional locale specification '(in loc)', which
17269
wenzelm
parents: 17259
diff changeset
   652
specifies the default context for interpreting antiquotations.  For
wenzelm
parents: 17259
diff changeset
   653
example: 'text (in lattice) {* @{thm inf_assoc}*}'.
17259
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
wenzelm
parents: 17228
diff changeset
   654
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
wenzelm
parents: 17228
diff changeset
   655
* Option 'locale=NAME' of antiquotations specifies an alternative
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
wenzelm
parents: 17228
diff changeset
   656
context interpreting the subsequent argument.  For example: @{thm
17269
wenzelm
parents: 17259
diff changeset
   657
[locale=lattice] inf_assoc}.
17259
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
wenzelm
parents: 17228
diff changeset
   658
17097
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   659
* Proper output of proof terms (@{prf ...} and @{full_prf ...}) within
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   660
a proof context.
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   661
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   662
* Proper output of antiquotations for theory commands involving a
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   663
proof context (such as 'locale' or 'theorem (in loc) ...').
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   664
17193
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
wenzelm
parents: 17189
diff changeset
   665
* Delimiters of outer tokens (string etc.) now produce separate LaTeX
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
wenzelm
parents: 17189
diff changeset
   666
macros (\isachardoublequoteopen, isachardoublequoteclose etc.).
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
wenzelm
parents: 17189
diff changeset
   667
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
wenzelm
parents: 17189
diff changeset
   668
* isatool usedir: new option -C (default true) controls whether option
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
wenzelm
parents: 17189
diff changeset
   669
-D should include a copy of the original document directory; -C false
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
wenzelm
parents: 17189
diff changeset
   670
prevents unwanted effects such as copying of administrative CVS data.
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
wenzelm
parents: 17189
diff changeset
   671
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   672
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   673
*** Pure ***
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   674
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   675
* Considerably improved version of 'constdefs' command.  Now performs
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   676
automatic type-inference of declared constants; additional support for
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   677
local structure declarations (cf. locales and HOL records), see also
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   678
isar-ref manual.  Potential INCOMPATIBILITY: need to observe strictly
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   679
sequential dependencies of definitions within a single 'constdefs'
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   680
section; moreover, the declared name needs to be an identifier.  If
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   681
all fails, consider to fall back on 'consts' and 'defs' separately.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   682
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   683
* Improved indexed syntax and implicit structures.  First of all,
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   684
indexed syntax provides a notational device for subscripted
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   685
application, using the new syntax \<^bsub>term\<^esub> for arbitrary
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   686
expressions.  Secondly, in a local context with structure
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   687
declarations, number indexes \<^sub>n or the empty index (default
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   688
number 1) refer to a certain fixed variable implicitly; option
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   689
show_structs controls printing of implicit structures.  Typical
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   690
applications of these concepts involve record types and locales.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   691
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   692
* New command 'no_syntax' removes grammar declarations (and
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   693
translations) resulting from the given syntax specification, which is
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   694
interpreted in the same manner as for the 'syntax' command.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   695
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   696
* 'Advanced' translation functions (parse_translation etc.) may depend
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   697
on the signature of the theory context being presently used for
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   698
parsing/printing, see also isar-ref manual.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   699
16856
6468a5d6a16e * Improved 'oracle' command -- type-safe;
wenzelm
parents: 16799
diff changeset
   700
* Improved 'oracle' command provides a type-safe interface to turn an
6468a5d6a16e * Improved 'oracle' command -- type-safe;
wenzelm
parents: 16799
diff changeset
   701
ML expression of type theory -> T -> term into a primitive rule of
6468a5d6a16e * Improved 'oracle' command -- type-safe;
wenzelm
parents: 16799
diff changeset
   702
type theory -> T -> thm (i.e. the functionality of Thm.invoke_oracle
6468a5d6a16e * Improved 'oracle' command -- type-safe;
wenzelm
parents: 16799
diff changeset
   703
is already included here); see also FOL/ex/IffExample.thy;
6468a5d6a16e * Improved 'oracle' command -- type-safe;
wenzelm
parents: 16799
diff changeset
   704
INCOMPATIBILITY.
6468a5d6a16e * Improved 'oracle' command -- type-safe;
wenzelm
parents: 16799
diff changeset
   705
17275
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   706
* axclass: name space prefix for class "c" is now "c_class" (was "c"
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   707
before); "cI" is no longer bound, use "c.intro" instead.
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   708
INCOMPATIBILITY.  This change avoids clashes of fact bindings for
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   709
axclasses vs. locales.
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   710
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   711
* Improved internal renaming of symbolic identifiers -- attach primes
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   712
instead of base 26 numbers.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   713
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   714
* New flag show_question_marks controls printing of leading question
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   715
marks in schematic variable names.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   716
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   717
* In schematic variable names, *any* symbol following \<^isub> or
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   718
\<^isup> is now treated as part of the base name.  For example, the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   719
following works without printing of awkward ".0" indexes:
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   720
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   721
  lemma "x\<^isub>1 = x\<^isub>2 ==> x\<^isub>2 = x\<^isub>1"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   722
    by simp
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   723
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   724
* Inner syntax includes (*(*nested*) comments*).
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   725
17548
wenzelm
parents: 17538
diff changeset
   726
* Pretty printer now supports unbreakable blocks, specified in mixfix
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   727
annotations as "(00...)".
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   728
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   729
* Clear separation of logical types and nonterminals, where the latter
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   730
may only occur in 'syntax' specifications or type abbreviations.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   731
Before that distinction was only partially implemented via type class
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   732
"logic" vs. "{}".  Potential INCOMPATIBILITY in rare cases of improper
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   733
use of 'types'/'consts' instead of 'nonterminals'/'syntax'.  Some very
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   734
exotic syntax specifications may require further adaption
17691
8cc72452695c revert 'defs' advertisement;
wenzelm
parents: 17684
diff changeset
   735
(e.g. Cube/Cube.thy).
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   736
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   737
* Removed obsolete type class "logic", use the top sort {} instead.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   738
Note that non-logical types should be declared as 'nonterminals'
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   739
rather than 'types'.  INCOMPATIBILITY for new object-logic
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   740
specifications.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   741
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   742
* Attributes 'induct' and 'cases': type or set names may now be
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   743
locally fixed variables as well.
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   744
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   745
* Simplifier: can now control the depth to which conditional rewriting
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   746
is traced via the PG menu Isabelle -> Settings -> Trace Simp Depth
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   747
Limit.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   748
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   749
* Simplifier: simplification procedures may now take the current
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   750
simpset into account (cf. Simplifier.simproc(_i) / mk_simproc
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   751
interface), which is very useful for calling the Simplifier
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   752
recursively.  Minor INCOMPATIBILITY: the 'prems' argument of simprocs
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   753
is gone -- use prems_of_ss on the simpset instead.  Moreover, the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   754
low-level mk_simproc no longer applies Logic.varify internally, to
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   755
allow for use in a context of fixed variables.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   756
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   757
* thin_tac now works even if the assumption being deleted contains !!
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   758
or ==>.  More generally, erule now works even if the major premise of
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   759
the elimination rule contains !! or ==>.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   760
17597
wenzelm
parents: 17595
diff changeset
   761
* Method 'rules' has been renamed to 'iprover'. INCOMPATIBILITY.
17590
56dc95e8b5c5 *** empty log message ***
nipkow
parents: 17584
diff changeset
   762
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   763
* Reorganized bootstrapping of the Pure theories; CPure is now derived
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   764
from Pure, which contains all common declarations already.  Both
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   765
theories are defined via plain Isabelle/Isar .thy files.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   766
INCOMPATIBILITY: elements of CPure (such as the CPure.intro /
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   767
CPure.elim / CPure.dest attributes) now appear in the Pure name space;
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   768
use isatool fixcpure to adapt your theory and ML sources.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   769
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   770
* New syntax 'name(i-j, i-, i, ...)' for referring to specific
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   771
selections of theorems in named facts via index ranges.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   772
17097
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   773
* 'print_theorems': in theory mode, really print the difference
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   774
wrt. the last state (works for interactive theory development only),
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   775
in proof mode print all local facts (cf. 'print_facts');
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
   776
17397
4ef3da248c48 hide: added option '(open)';
wenzelm
parents: 17393
diff changeset
   777
* 'hide': option '(open)' hides only base names.
4ef3da248c48 hide: added option '(open)';
wenzelm
parents: 17393
diff changeset
   778
17275
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   779
* More efficient treatment of intermediate checkpoints in interactive
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   780
theory development.
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   781
17663
28be54ff74f8 Added entries for code_module, code_library, and value.
berghofe
parents: 17641
diff changeset
   782
* Code generator is now invoked via code_module (incremental code
17664
wenzelm
parents: 17663
diff changeset
   783
generation) and code_library (modular code generation, ML structures
wenzelm
parents: 17663
diff changeset
   784
for each theory).  INCOMPATIBILITY: new keywords 'file' and 'contains'
wenzelm
parents: 17663
diff changeset
   785
must be quoted when used as identifiers.
wenzelm
parents: 17663
diff changeset
   786
wenzelm
parents: 17663
diff changeset
   787
* New 'value' command for reading, evaluating and printing terms using
wenzelm
parents: 17663
diff changeset
   788
the code generator.  INCOMPATIBILITY: command keyword 'value' must be
wenzelm
parents: 17663
diff changeset
   789
quoted when used as identifier.
17663
28be54ff74f8 Added entries for code_module, code_library, and value.
berghofe
parents: 17641
diff changeset
   790
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   791
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   792
*** Locales ***
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   793
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   794
* New commands for the interpretation of locale expressions in
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   795
theories (1), locales (2) and proof contexts (3).  These generate
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   796
proof obligations from the expression specification.  After the
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   797
obligations have been discharged, theorems of the expression are added
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   798
to the theory, target locale or proof context.  The synopsis of the
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   799
commands is a follows:
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   800
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   801
  (1) interpretation expr inst
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   802
  (2) interpretation target < expr
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   803
  (3) interpret expr inst
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   804
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   805
Interpretation in theories and proof contexts require a parameter
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   806
instantiation of terms from the current context.  This is applied to
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   807
specifications and theorems of the interpreted expression.
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   808
Interpretation in locales only permits parameter renaming through the
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   809
locale expression.  Interpretation is smart in that interpretations
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   810
that are active already do not occur in proof obligations, neither are
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   811
instantiated theorems stored in duplicate.  Use 'print_interps' to
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   812
inspect active interpretations of a particular locale.  For details,
17436
ballarin
parents: 17425
diff changeset
   813
see the Isar Reference manual.  Examples can be found in
ballarin
parents: 17425
diff changeset
   814
HOL/Finite_Set.thy and HOL/Algebra/UnivPoly.thy.
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   815
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   816
INCOMPATIBILITY: former 'instantiate' has been withdrawn, use
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   817
'interpret' instead.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   818
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   819
* New context element 'constrains' for adding type constraints to
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   820
parameters.
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   821
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   822
* Context expressions: renaming of parameters with syntax
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
   823
redeclaration.
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   824
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   825
* Locale declaration: 'includes' disallowed.
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
   826
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   827
* Proper static binding of attribute syntax -- i.e. types / terms /
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   828
facts mentioned as arguments are always those of the locale definition
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   829
context, independently of the context of later invocations.  Moreover,
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   830
locale operations (renaming and type / term instantiation) are applied
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   831
to attribute arguments as expected.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   832
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   833
INCOMPATIBILITY of the ML interface: always pass Attrib.src instead of
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   834
actual attributes; rare situations may require Attrib.attribute to
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   835
embed those attributes into Attrib.src that lack concrete syntax.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   836
Attribute implementations need to cooperate properly with the static
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   837
binding mechanism.  Basic parsers Args.XXX_typ/term/prop and
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   838
Attrib.XXX_thm etc. already do the right thing without further
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   839
intervention.  Only unusual applications -- such as "where" or "of"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   840
(cf. src/Pure/Isar/attrib.ML), which process arguments depending both
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   841
on the context and the facts involved -- may have to assign parsed
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   842
values to argument tokens explicitly.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   843
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   844
* Changed parameter management in theorem generation for long goal
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   845
statements with 'includes'.  INCOMPATIBILITY: produces a different
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   846
theorem statement in rare situations.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   847
17228
19b460b39dad print_locale omits facts by default
ballarin
parents: 17193
diff changeset
   848
* Locale inspection command 'print_locale' omits notes elements.  Use
19b460b39dad print_locale omits facts by default
ballarin
parents: 17193
diff changeset
   849
'print_locale!' to have them included in the output.
19b460b39dad print_locale omits facts by default
ballarin
parents: 17193
diff changeset
   850
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   851
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   852
*** Provers ***
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   853
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   854
* Provers/hypsubst.ML: improved version of the subst method, for
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   855
single-step rewriting: it now works in bound variable contexts. New is
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   856
'subst (asm)', for rewriting an assumption.  INCOMPATIBILITY: may
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   857
rewrite a different subterm than the original subst method, which is
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   858
still available as 'simplesubst'.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   859
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   860
* Provers/quasi.ML: new transitivity reasoners for transitivity only
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   861
and quasi orders.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   862
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   863
* Provers/trancl.ML: new transitivity reasoner for transitive and
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   864
reflexive-transitive closure of relations.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   865
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   866
* Provers/blast.ML: new reference depth_limit to make blast's depth
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   867
limit (previously hard-coded with a value of 20) user-definable.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   868
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   869
* Provers/simplifier.ML has been moved to Pure, where Simplifier.setup
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   870
is peformed already.  Object-logics merely need to finish their
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   871
initial simpset configuration as before.  INCOMPATIBILITY.
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   872
15475
fdf9434b04ea - Proofs are now hidden by default when generating documents
berghofe
parents: 15454
diff changeset
   873
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14699
diff changeset
   874
*** HOL ***
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14699
diff changeset
   875
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   876
* Symbolic syntax of Hilbert Choice Operator is now as follows:
14878
b884a7ba7238 HOL: symbolic syntax of Eps;
wenzelm
parents: 14854
diff changeset
   877
b884a7ba7238 HOL: symbolic syntax of Eps;
wenzelm
parents: 14854
diff changeset
   878
  syntax (epsilon)
b884a7ba7238 HOL: symbolic syntax of Eps;
wenzelm
parents: 14854
diff changeset
   879
    "_Eps" :: "[pttrn, bool] => 'a"    ("(3\<some>_./ _)" [0, 10] 10)
b884a7ba7238 HOL: symbolic syntax of Eps;
wenzelm
parents: 14854
diff changeset
   880
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   881
The symbol \<some> is displayed as the alternative epsilon of LaTeX
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   882
and x-symbol; use option '-m epsilon' to get it actually printed.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   883
Moreover, the mathematically important symbolic identifier \<epsilon>
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   884
becomes available as variable, constant etc.  INCOMPATIBILITY,
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   885
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   886
* "x > y" abbreviates "y < x" and "x >= y" abbreviates "y <= x".
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   887
Similarly for all quantifiers: "ALL x > y" etc.  The x-symbol for >=
17371
wenzelm
parents: 17275
diff changeset
   888
is \<ge>. New transitivity rules have been added to HOL/Orderings.thy to
17016
73c74cb1d744 mentioned change to exp_ge_add_one_self, new transitivity rules
avigad
parents: 16997
diff changeset
   889
support corresponding Isar calculations.
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   890
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   891
* "{x:A. P}" abbreviates "{x. x:A & P}", and similarly for "\<in>"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   892
instead of ":".
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   893
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   894
* theory SetInterval: changed the syntax for open intervals:
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   895
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   896
  Old       New
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   897
  {..n(}    {..<n}
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   898
  {)n..}    {n<..}
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   899
  {m..n(}   {m..<n}
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   900
  {)m..n}   {m<..n}
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   901
  {)m..n(}  {m<..<n}
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   902
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   903
The old syntax is still supported but will disappear in the next
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   904
release.  For conversion use the following Emacs search and replace
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   905
patterns (these are not perfect but work quite well):
15046
d6a4c3992e9d *** empty log message ***
nipkow
parents: 15044
diff changeset
   906
d6a4c3992e9d *** empty log message ***
nipkow
parents: 15044
diff changeset
   907
  {)\([^\.]*\)\.\.  ->  {\1<\.\.}
d6a4c3992e9d *** empty log message ***
nipkow
parents: 15044
diff changeset
   908
  \.\.\([^(}]*\)(}  ->  \.\.<\1}
d6a4c3992e9d *** empty log message ***
nipkow
parents: 15044
diff changeset
   909
17533
wenzelm
parents: 17519
diff changeset
   910
* Theory Commutative_Ring (in Library): method comm_ring for proving
wenzelm
parents: 17519
diff changeset
   911
equalities in commutative rings; method 'algebra' provides a generic
wenzelm
parents: 17519
diff changeset
   912
interface.
17389
b4743198b939 Method comm_ring for proving equalities in commutative rings.
wenzelm
parents: 17385
diff changeset
   913
b4743198b939 Method comm_ring for proving equalities in commutative rings.
wenzelm
parents: 17385
diff changeset
   914
* Theory Finite_Set: changed the syntax for 'setsum', summation over
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   915
finite sets: "setsum (%x. e) A", which used to be "\<Sum>x:A. e", is
17371
wenzelm
parents: 17275
diff changeset
   916
now either "SUM x:A. e" or "\<Sum>x \<in> A. e". The bound variable can
17189
b15f8e094874 patterns in setsum and setprod
paulson
parents: 17172
diff changeset
   917
be a tuple pattern.
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   918
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   919
Some new syntax forms are available:
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   920
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   921
  "\<Sum>x | P. e"      for     "setsum (%x. e) {x. P}"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   922
  "\<Sum>x = a..b. e"   for     "setsum (%x. e) {a..b}"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   923
  "\<Sum>x = a..<b. e"  for     "setsum (%x. e) {a..<b}"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   924
  "\<Sum>x < k. e"      for     "setsum (%x. e) {..<k}"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   925
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   926
The latter form "\<Sum>x < k. e" used to be based on a separate
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   927
function "Summation", which has been discontinued.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   928
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   929
* theory Finite_Set: in structured induction proofs, the insert case
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   930
is now 'case (insert x F)' instead of the old counterintuitive 'case
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   931
(insert F x)'.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   932
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   933
* The 'refute' command has been extended to support a much larger
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   934
fragment of HOL, including axiomatic type classes, constdefs and
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   935
typedefs, inductive datatypes and recursion.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   936
17700
ac97a91d5572 pointer to HOL/ex/SAT_Examples.thy added
webertj
parents: 17691
diff changeset
   937
* New tactics 'sat' and 'satx' to prove propositional tautologies.
ac97a91d5572 pointer to HOL/ex/SAT_Examples.thy added
webertj
parents: 17691
diff changeset
   938
Requires zChaff with proof generation to be installed.  See
ac97a91d5572 pointer to HOL/ex/SAT_Examples.thy added
webertj
parents: 17691
diff changeset
   939
HOL/ex/SAT_Examples.thy for examples.
17619
026f7bbc8a0f new sat tactic
webertj
parents: 17597
diff changeset
   940
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   941
* Datatype induction via method 'induct' now preserves the name of the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   942
induction variable. For example, when proving P(xs::'a list) by
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   943
induction on xs, the induction step is now P(xs) ==> P(a#xs) rather
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   944
than P(list) ==> P(a#list) as previously.  Potential INCOMPATIBILITY
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   945
in unstructured proof scripts.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   946
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   947
* Reworked implementation of records.  Improved scalability for
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   948
records with many fields, avoiding performance problems for type
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   949
inference. Records are no longer composed of nested field types, but
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   950
of nested extension types. Therefore the record type only grows linear
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   951
in the number of extensions and not in the number of fields.  The
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   952
top-level (users) view on records is preserved.  Potential
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   953
INCOMPATIBILITY only in strange cases, where the theory depends on the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   954
old record representation. The type generated for a record is called
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   955
<record_name>_ext_type.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   956
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   957
Flag record_quick_and_dirty_sensitive can be enabled to skip the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   958
proofs triggered by a record definition or a simproc (if
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   959
quick_and_dirty is enabled).  Definitions of large records can take
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   960
quite long.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   961
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   962
New simproc record_upd_simproc for simplification of multiple record
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   963
updates enabled by default.  Moreover, trivial updates are also
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   964
removed: r(|x := x r|) = r.  INCOMPATIBILITY: old proofs break
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   965
occasionally, since simplification is more powerful by default.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   966
17275
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   967
* typedef: proper support for polymorphic sets, which contain extra
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   968
type-variables in the term.
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
   969
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   970
* Simplifier: automatically reasons about transitivity chains
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   971
involving "trancl" (r^+) and "rtrancl" (r^*) by setting up tactics
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   972
provided by Provers/trancl.ML as additional solvers.  INCOMPATIBILITY:
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   973
old proofs break occasionally as simplification may now solve more
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   974
goals than previously.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   975
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   976
* Simplifier: converts x <= y into x = y if assumption y <= x is
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   977
present.  Works for all partial orders (class "order"), in particular
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   978
numbers and sets.  For linear orders (e.g. numbers) it treats ~ x < y
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   979
just like y <= x.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   980
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   981
* Simplifier: new simproc for "let x = a in f x".  If a is a free or
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   982
bound variable or a constant then the let is unfolded.  Otherwise
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   983
first a is simplified to b, and then f b is simplified to g. If
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   984
possible we abstract b from g arriving at "let x = b in h x",
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   985
otherwise we unfold the let and arrive at g.  The simproc can be
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   986
enabled/disabled by the reference use_let_simproc.  Potential
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
   987
INCOMPATIBILITY since simplification is more powerful by default.
15776
e2f45df0696f refute extended
webertj
parents: 15763
diff changeset
   988
16563
a92f96951355 meson method taking an argument list
paulson
parents: 16547
diff changeset
   989
* Classical reasoning: the meson method now accepts theorems as arguments.
a92f96951355 meson method taking an argument list
paulson
parents: 16547
diff changeset
   990
17595
3e3a30bf702f ATP linkup
paulson
parents: 17590
diff changeset
   991
* Prover support: pre-release of the Isabelle-ATP linkup, which runs background
3e3a30bf702f ATP linkup
paulson
parents: 17590
diff changeset
   992
jobs to provide advice on the provability of subgoals.
3e3a30bf702f ATP linkup
paulson
parents: 17590
diff changeset
   993
16891
wenzelm
parents: 16888
diff changeset
   994
* Theory OrderedGroup and Ring_and_Field: various additions and
wenzelm
parents: 16888
diff changeset
   995
improvements to faciliate calculations involving equalities and
wenzelm
parents: 16888
diff changeset
   996
inequalities.
wenzelm
parents: 16888
diff changeset
   997
wenzelm
parents: 16888
diff changeset
   998
The following theorems have been eliminated or modified
wenzelm
parents: 16888
diff changeset
   999
(INCOMPATIBILITY):
16888
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1000
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1001
  abs_eq             now named abs_of_nonneg
17371
wenzelm
parents: 17275
diff changeset
  1002
  abs_of_ge_0        now named abs_of_nonneg
wenzelm
parents: 17275
diff changeset
  1003
  abs_minus_eq       now named abs_of_nonpos
16888
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1004
  imp_abs_id         now named abs_of_nonneg
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1005
  imp_abs_neg_id     now named abs_of_nonpos
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1006
  mult_pos           now named mult_pos_pos
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1007
  mult_pos_le        now named mult_nonneg_nonneg
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1008
  mult_pos_neg_le    now named mult_nonneg_nonpos
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1009
  mult_pos_neg2_le   now named mult_nonneg_nonpos2
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1010
  mult_neg           now named mult_neg_neg
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1011
  mult_neg_le        now named mult_nonpos_nonpos
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1012
16891
wenzelm
parents: 16888
diff changeset
  1013
* Theory Parity: added rules for simplifying exponents.
wenzelm
parents: 16888
diff changeset
  1014
17092
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
  1015
* Theory List:
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
  1016
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
  1017
The following theorems have been eliminated or modified
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
  1018
(INCOMPATIBILITY):
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
  1019
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
  1020
  list_all_Nil       now named list_all.simps(1)
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
  1021
  list_all_Cons      now named list_all.simps(2)
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
  1022
  list_all_conv      now named list_all_iff
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
  1023
  set_mem_eq         now named mem_iff
16971afe75f6 *** empty log message ***
nipkow
parents: 17047
diff changeset
  1024
16929
wenzelm
parents: 16908
diff changeset
  1025
* Theories SetsAndFunctions and BigO (see HOL/Library) support
wenzelm
parents: 16908
diff changeset
  1026
asymptotic "big O" calculations.  See the notes in BigO.thy.
wenzelm
parents: 16908
diff changeset
  1027
16888
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1028
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1029
*** HOL-Complex ***
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1030
16891
wenzelm
parents: 16888
diff changeset
  1031
* Theory RealDef: better support for embedding natural numbers and
wenzelm
parents: 16888
diff changeset
  1032
integers in the reals.
wenzelm
parents: 16888
diff changeset
  1033
wenzelm
parents: 16888
diff changeset
  1034
The following theorems have been eliminated or modified
wenzelm
parents: 16888
diff changeset
  1035
(INCOMPATIBILITY):
wenzelm
parents: 16888
diff changeset
  1036
17016
73c74cb1d744 mentioned change to exp_ge_add_one_self, new transitivity rules
avigad
parents: 16997
diff changeset
  1037
  exp_ge_add_one_self  now requires no hypotheses
73c74cb1d744 mentioned change to exp_ge_add_one_self, new transitivity rules
avigad
parents: 16997
diff changeset
  1038
  real_of_int_add      reversed direction of equality (use [symmetric])
73c74cb1d744 mentioned change to exp_ge_add_one_self, new transitivity rules
avigad
parents: 16997
diff changeset
  1039
  real_of_int_minus    reversed direction of equality (use [symmetric])
73c74cb1d744 mentioned change to exp_ge_add_one_self, new transitivity rules
avigad
parents: 16997
diff changeset
  1040
  real_of_int_diff     reversed direction of equality (use [symmetric])
73c74cb1d744 mentioned change to exp_ge_add_one_self, new transitivity rules
avigad
parents: 16997
diff changeset
  1041
  real_of_int_mult     reversed direction of equality (use [symmetric])
16891
wenzelm
parents: 16888
diff changeset
  1042
wenzelm
parents: 16888
diff changeset
  1043
* Theory RComplete: expanded support for floor and ceiling functions.
16888
7cb4bcfa058e added list of theorem changes to NEWS
avigad
parents: 16869
diff changeset
  1044
16962
f99dd1274c5f mentioned Ln in NEWS
avigad
parents: 16929
diff changeset
  1045
* Theory Ln is new, with properties of the natural logarithm
f99dd1274c5f mentioned Ln in NEWS
avigad
parents: 16929
diff changeset
  1046
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1047
* Hyperreal: There is a new type constructor "star" for making
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1048
nonstandard types.  The old type names are now type synonyms:
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1049
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1050
  hypreal = real star
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1051
  hypnat = nat star
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1052
  hcomplex = complex star
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1053
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1054
* Hyperreal: Many groups of similarly-defined constants have been
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1055
replaced by polymorphic versions (INCOMPATIBILITY):
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1056
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1057
  star_of <-- hypreal_of_real, hypnat_of_nat, hcomplex_of_complex
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1058
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1059
  starset      <-- starsetNat, starsetC
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1060
  *s*          <-- *sNat*, *sc*
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1061
  starset_n    <-- starsetNat_n, starsetC_n
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1062
  *sn*         <-- *sNatn*, *scn*
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1063
  InternalSets <-- InternalNatSets, InternalCSets
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1064
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1065
  starfun      <-- starfun{Nat,Nat2,C,RC,CR}
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1066
  *f*          <-- *fNat*, *fNat2*, *fc*, *fRc*, *fcR*
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1067
  starfun_n    <-- starfun{Nat,Nat2,C,RC,CR}_n
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1068
  *fn*         <-- *fNatn*, *fNat2n*, *fcn*, *fRcn*, *fcRn*
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1069
  InternalFuns <-- InternalNatFuns, InternalNatFuns2, Internal{C,RC,CR}Funs
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1070
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1071
* Hyperreal: Many type-specific theorems have been removed in favor of
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1072
theorems specific to various axiomatic type classes (INCOMPATIBILITY):
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1073
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1074
  add_commute <-- {hypreal,hypnat,hcomplex}_add_commute
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1075
  add_assoc   <-- {hypreal,hypnat,hcomplex}_add_assocs
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1076
  OrderedGroup.add_0 <-- {hypreal,hypnat,hcomplex}_add_zero_left
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1077
  OrderedGroup.add_0_right <-- {hypreal,hcomplex}_add_zero_right
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1078
  right_minus <-- hypreal_add_minus
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1079
  left_minus <-- {hypreal,hcomplex}_add_minus_left
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1080
  mult_commute <-- {hypreal,hypnat,hcomplex}_mult_commute
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1081
  mult_assoc <-- {hypreal,hypnat,hcomplex}_mult_assoc
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1082
  mult_1_left <-- {hypreal,hypnat}_mult_1, hcomplex_mult_one_left
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1083
  mult_1_right <-- hcomplex_mult_one_right
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1084
  mult_zero_left <-- hcomplex_mult_zero_left
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1085
  left_distrib <-- {hypreal,hypnat,hcomplex}_add_mult_distrib
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1086
  right_distrib <-- hypnat_add_mult_distrib2
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1087
  zero_neq_one <-- {hypreal,hypnat,hcomplex}_zero_not_eq_one
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1088
  right_inverse <-- hypreal_mult_inverse
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1089
  left_inverse <-- hypreal_mult_inverse_left, hcomplex_mult_inv_left
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1090
  order_refl <-- {hypreal,hypnat}_le_refl
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1091
  order_trans <-- {hypreal,hypnat}_le_trans
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1092
  order_antisym <-- {hypreal,hypnat}_le_anti_sym
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1093
  order_less_le <-- {hypreal,hypnat}_less_le
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1094
  linorder_linear <-- {hypreal,hypnat}_le_linear
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1095
  add_left_mono <-- {hypreal,hypnat}_add_left_mono
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1096
  mult_strict_left_mono <-- {hypreal,hypnat}_mult_less_mono2
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1097
  add_nonneg_nonneg <-- hypreal_le_add_order
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1098
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1099
* Hyperreal: Separate theorems having to do with type-specific
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1100
versions of constants have been merged into theorems that apply to the
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1101
new polymorphic constants (INCOMPATIBILITY):
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1102
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1103
  STAR_UNIV_set <-- {STAR_real,NatStar_real,STARC_complex}_set
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1104
  STAR_empty_set <-- {STAR,NatStar,STARC}_empty_set
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1105
  STAR_Un <-- {STAR,NatStar,STARC}_Un
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1106
  STAR_Int <-- {STAR,NatStar,STARC}_Int
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1107
  STAR_Compl <-- {STAR,NatStar,STARC}_Compl
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1108
  STAR_subset <-- {STAR,NatStar,STARC}_subset
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1109
  STAR_mem <-- {STAR,NatStar,STARC}_mem
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1110
  STAR_mem_Compl <-- {STAR,STARC}_mem_Compl
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1111
  STAR_diff <-- {STAR,STARC}_diff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1112
  STAR_star_of_image_subset <-- {STAR_hypreal_of_real, NatStar_hypreal_of_real,
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1113
    STARC_hcomplex_of_complex}_image_subset
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1114
  starset_n_Un <-- starset{Nat,C}_n_Un
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1115
  starset_n_Int <-- starset{Nat,C}_n_Int
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1116
  starset_n_Compl <-- starset{Nat,C}_n_Compl
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1117
  starset_n_diff <-- starset{Nat,C}_n_diff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1118
  InternalSets_Un <-- Internal{Nat,C}Sets_Un
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1119
  InternalSets_Int <-- Internal{Nat,C}Sets_Int
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1120
  InternalSets_Compl <-- Internal{Nat,C}Sets_Compl
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1121
  InternalSets_diff <-- Internal{Nat,C}Sets_diff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1122
  InternalSets_UNIV_diff <-- Internal{Nat,C}Sets_UNIV_diff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1123
  InternalSets_starset_n <-- Internal{Nat,C}Sets_starset{Nat,C}_n
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1124
  starset_starset_n_eq <-- starset{Nat,C}_starset{Nat,C}_n_eq
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1125
  starset_n_starset <-- starset{Nat,C}_n_starset{Nat,C}
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1126
  starfun_n_starfun <-- starfun{Nat,Nat2,C,RC,CR}_n_starfun{Nat,Nat2,C,RC,CR}
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1127
  starfun <-- starfun{Nat,Nat2,C,RC,CR}
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1128
  starfun_mult <-- starfun{Nat,Nat2,C,RC,CR}_mult
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1129
  starfun_add <-- starfun{Nat,Nat2,C,RC,CR}_add
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1130
  starfun_minus <-- starfun{Nat,Nat2,C,RC,CR}_minus
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1131
  starfun_diff <-- starfun{C,RC,CR}_diff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1132
  starfun_o <-- starfun{NatNat2,Nat2,_stafunNat,C,C_starfunRC,_starfunCR}_o
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1133
  starfun_o2 <-- starfun{NatNat2,_stafunNat,C,C_starfunRC,_starfunCR}_o2
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1134
  starfun_const_fun <-- starfun{Nat,Nat2,C,RC,CR}_const_fun
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1135
  starfun_inverse <-- starfun{Nat,C,RC,CR}_inverse
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1136
  starfun_eq <-- starfun{Nat,Nat2,C,RC,CR}_eq
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1137
  starfun_eq_iff <-- starfun{C,RC,CR}_eq_iff
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1138
  starfun_Id <-- starfunC_Id
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1139
  starfun_approx <-- starfun{Nat,CR}_approx
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1140
  starfun_capprox <-- starfun{C,RC}_capprox
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1141
  starfun_abs <-- starfunNat_rabs
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1142
  starfun_lambda_cancel <-- starfun{C,CR,RC}_lambda_cancel
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1143
  starfun_lambda_cancel2 <-- starfun{C,CR,RC}_lambda_cancel2
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1144
  starfun_mult_HFinite_approx <-- starfunCR_mult_HFinite_capprox
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1145
  starfun_mult_CFinite_capprox <-- starfun{C,RC}_mult_CFinite_capprox
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1146
  starfun_add_capprox <-- starfun{C,RC}_add_capprox
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1147
  starfun_add_approx <-- starfunCR_add_approx
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1148
  starfun_inverse_inverse <-- starfunC_inverse_inverse
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1149
  starfun_divide <-- starfun{C,CR,RC}_divide
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1150
  starfun_n <-- starfun{Nat,C}_n
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1151
  starfun_n_mult <-- starfun{Nat,C}_n_mult
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1152
  starfun_n_add <-- starfun{Nat,C}_n_add
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1153
  starfun_n_add_minus <-- starfunNat_n_add_minus
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1154
  starfun_n_const_fun <-- starfun{Nat,C}_n_const_fun
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1155
  starfun_n_minus <-- starfun{Nat,C}_n_minus
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1156
  starfun_n_eq <-- starfun{Nat,C}_n_eq
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1157
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1158
  star_n_add <-- {hypreal,hypnat,hcomplex}_add
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1159
  star_n_minus <-- {hypreal,hcomplex}_minus
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1160
  star_n_diff <-- {hypreal,hcomplex}_diff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1161
  star_n_mult <-- {hypreal,hcomplex}_mult
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1162
  star_n_inverse <-- {hypreal,hcomplex}_inverse
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1163
  star_n_le <-- {hypreal,hypnat}_le
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1164
  star_n_less <-- {hypreal,hypnat}_less
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1165
  star_n_zero_num <-- {hypreal,hypnat,hcomplex}_zero_num
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1166
  star_n_one_num <-- {hypreal,hypnat,hcomplex}_one_num
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1167
  star_n_abs <-- hypreal_hrabs
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1168
  star_n_divide <-- hcomplex_divide
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1169
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1170
  star_of_add <-- {hypreal_of_real,hypnat_of_nat,hcomplex_of_complex}_add
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1171
  star_of_minus <-- {hypreal_of_real,hcomplex_of_complex}_minus
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1172
  star_of_diff <-- hypreal_of_real_diff
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1173
  star_of_mult <-- {hypreal_of_real,hypnat_of_nat,hcomplex_of_complex}_mult
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1174
  star_of_one <-- {hypreal_of_real,hcomplex_of_complex}_one
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1175
  star_of_zero <-- {hypreal_of_real,hypnat_of_nat,hcomplex_of_complex}_zero
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1176
  star_of_le <-- {hypreal_of_real,hypnat_of_nat}_le_iff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1177
  star_of_less <-- {hypreal_of_real,hypnat_of_nat}_less_iff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1178
  star_of_eq <-- {hypreal_of_real,hypnat_of_nat,hcomplex_of_complex}_eq_iff
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1179
  star_of_inverse <-- {hypreal_of_real,hcomplex_of_complex}_inverse
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1180
  star_of_divide <-- {hypreal_of_real,hcomplex_of_complex}_divide
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1181
  star_of_of_nat <-- {hypreal_of_real,hcomplex_of_complex}_of_nat
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1182
  star_of_of_int <-- {hypreal_of_real,hcomplex_of_complex}_of_int
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1183
  star_of_number_of <-- {hypreal,hcomplex}_number_of
17423
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1184
  star_of_number_less <-- number_of_less_hypreal_of_real_iff
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1185
  star_of_number_le <-- number_of_le_hypreal_of_real_iff
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1186
  star_of_eq_number <-- hypreal_of_real_eq_number_of_iff
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1187
  star_of_less_number <-- hypreal_of_real_less_number_of_iff
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1188
  star_of_le_number <-- hypreal_of_real_le_number_of_iff
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1189
  star_of_power <-- hypreal_of_real_power
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1190
  star_of_eq_0 <-- hcomplex_of_complex_zero_iff
de6b33a4efda incorporated HOL/Hyperreal/CHANGES;
wenzelm
parents: 17408
diff changeset
  1191
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1192
* Hyperreal: new method "transfer" that implements the transfer
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1193
principle of nonstandard analysis. With a subgoal that mentions
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1194
nonstandard types like "'a star", the command "apply transfer"
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1195
replaces it with an equivalent one that mentions only standard types.
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1196
To be successful, all free variables must have standard types; non-
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1197
standard variables must have explicit universal quantifiers.
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1198
17641
5ec55c1fa116 * Hyperreal: A theory of Taylor series.
wenzelm
parents: 17619
diff changeset
  1199
* Hyperreal: A theory of Taylor series.
5ec55c1fa116 * Hyperreal: A theory of Taylor series.
wenzelm
parents: 17619
diff changeset
  1200
14655
8a95abf87dd3 Pure: considerably improved version of 'constdefs' command;
wenzelm
parents: 14624
diff changeset
  1201
14682
a5072752114c HOLCF: discontinued special version of 'constdefs';
wenzelm
parents: 14655
diff changeset
  1202
*** HOLCF ***
a5072752114c HOLCF: discontinued special version of 'constdefs';
wenzelm
parents: 14655
diff changeset
  1203
17533
wenzelm
parents: 17519
diff changeset
  1204
* Discontinued special version of 'constdefs' (which used to support
wenzelm
parents: 17519
diff changeset
  1205
continuous functions) in favor of the general Pure one with full
wenzelm
parents: 17519
diff changeset
  1206
type-inference.
wenzelm
parents: 17519
diff changeset
  1207
wenzelm
parents: 17519
diff changeset
  1208
* New simplification procedure for solving continuity conditions; it
wenzelm
parents: 17519
diff changeset
  1209
is much faster on terms with many nested lambda abstractions (cubic
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1210
instead of exponential time).
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1211
17533
wenzelm
parents: 17519
diff changeset
  1212
* New syntax for domain package: selector names are now optional.
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1213
Parentheses should be omitted unless argument is lazy, for example:
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1214
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1215
  domain 'a stream = cons "'a" (lazy "'a stream")
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1216
17533
wenzelm
parents: 17519
diff changeset
  1217
* New command 'fixrec' for defining recursive functions with pattern
wenzelm
parents: 17519
diff changeset
  1218
matching; defining multiple functions with mutual recursion is also
wenzelm
parents: 17519
diff changeset
  1219
supported.  Patterns may include the constants cpair, spair, up, sinl,
wenzelm
parents: 17519
diff changeset
  1220
sinr, or any data constructor defined by the domain package. The given
wenzelm
parents: 17519
diff changeset
  1221
equations are proven as rewrite rules. See HOLCF/ex/Fixrec_ex.thy for
wenzelm
parents: 17519
diff changeset
  1222
syntax and examples.
wenzelm
parents: 17519
diff changeset
  1223
wenzelm
parents: 17519
diff changeset
  1224
* New commands 'cpodef' and 'pcpodef' for defining predicate subtypes
wenzelm
parents: 17519
diff changeset
  1225
of cpo and pcpo types. Syntax is exactly like the 'typedef' command,
wenzelm
parents: 17519
diff changeset
  1226
but the proof obligation additionally includes an admissibility
wenzelm
parents: 17519
diff changeset
  1227
requirement. The packages generate instances of class cpo or pcpo,
wenzelm
parents: 17519
diff changeset
  1228
with continuity and strictness theorems for Rep and Abs.
17442
c0f0b92c198c add HOLCF entries for pcpodef, cont_proc, fixrec;
huffman
parents: 17436
diff changeset
  1229
17584
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
  1230
* HOLCF: Many theorems have been renamed according to a more standard naming
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
  1231
scheme (INCOMPATIBILITY):
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
  1232
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
  1233
  foo_inject:  "foo$x = foo$y ==> x = y"
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
  1234
  foo_eq:      "(foo$x = foo$y) = (x = y)"
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
  1235
  foo_less:    "(foo$x << foo$y) = (x << y)"
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
  1236
  foo_strict:  "foo$UU = UU"
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
  1237
  foo_defined: "... ==> foo$x ~= UU"
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
  1238
  foo_defined_iff: "(foo$x = UU) = (x = UU)"
6eab0f1cb0fe HOLCF theorem naming conventions
huffman
parents: 17564
diff changeset
  1239
14682
a5072752114c HOLCF: discontinued special version of 'constdefs';
wenzelm
parents: 14655
diff changeset
  1240
14885
0a840138dcd7 Groups, Rings and supporting lemmas in ZF
paulson
parents: 14878
diff changeset
  1241
*** ZF ***
0a840138dcd7 Groups, Rings and supporting lemmas in ZF
paulson
parents: 14878
diff changeset
  1242
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1243
* ZF/ex: theories Group and Ring provide examples in abstract algebra,
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1244
including the First Isomorphism Theorem (on quotienting by the kernel
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1245
of a homomorphism).
15089
430264838064 ZF/Simplifier: second copy of context type solver;
wenzelm
parents: 15076
diff changeset
  1246
430264838064 ZF/Simplifier: second copy of context type solver;
wenzelm
parents: 15076
diff changeset
  1247
* ZF/Simplifier: install second copy of type solver that actually
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1248
makes use of TC rules declared to Isar proof contexts (or locales);
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1249
the old version is still required for ML proof scripts.
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
  1250
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
  1251
17445
3c9c46b820f5 Cube: converted to Isar, use locales;
wenzelm
parents: 17442
diff changeset
  1252
*** Cube ***
3c9c46b820f5 Cube: converted to Isar, use locales;
wenzelm
parents: 17442
diff changeset
  1253
3c9c46b820f5 Cube: converted to Isar, use locales;
wenzelm
parents: 17442
diff changeset
  1254
* Converted to Isar theory format; use locales instead of axiomatic
3c9c46b820f5 Cube: converted to Isar, use locales;
wenzelm
parents: 17442
diff changeset
  1255
theories.
3c9c46b820f5 Cube: converted to Isar, use locales;
wenzelm
parents: 17442
diff changeset
  1256
3c9c46b820f5 Cube: converted to Isar, use locales;
wenzelm
parents: 17442
diff changeset
  1257
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
  1258
*** ML ***
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
  1259
15973
wenzelm
parents: 15931
diff changeset
  1260
* Pure/library.ML no longer defines its own option datatype, but uses
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1261
that of the SML basis, which has constructors NONE and SOME instead of
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1262
None and Some, as well as exception Option.Option instead of OPTION.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1263
The functions the, if_none, is_some, is_none have been adapted
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1264
accordingly, while Option.map replaces apsome.
15973
wenzelm
parents: 15931
diff changeset
  1265
16860
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1266
* Pure/library.ML: the exception LIST has been given up in favour of
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1267
the standard exceptions Empty and Subscript, as well as
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1268
Library.UnequalLengths.  Function like Library.hd and Library.tl are
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1269
superceded by the standard hd and tl functions etc.
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1270
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1271
A number of basic list functions are no longer exported to the ML
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1272
toplevel, as they are variants of predefined functions.  The following
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1273
suggests how one can translate existing code:
15973
wenzelm
parents: 15931
diff changeset
  1274
wenzelm
parents: 15931
diff changeset
  1275
    rev_append xs ys = List.revAppend (xs, ys)
wenzelm
parents: 15931
diff changeset
  1276
    nth_elem (i, xs) = List.nth (xs, i)
wenzelm
parents: 15931
diff changeset
  1277
    last_elem xs = List.last xs
wenzelm
parents: 15931
diff changeset
  1278
    flat xss = List.concat xss
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1279
    seq fs = List.app fs
15973
wenzelm
parents: 15931
diff changeset
  1280
    partition P xs = List.partition P xs
wenzelm
parents: 15931
diff changeset
  1281
    mapfilter f xs = List.mapPartial f xs
wenzelm
parents: 15931
diff changeset
  1282
16860
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1283
* Pure/library.ML: several combinators for linear functional
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1284
transformations, notably reverse application and composition:
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1285
17371
wenzelm
parents: 17275
diff changeset
  1286
  x |> f                f #> g
wenzelm
parents: 17275
diff changeset
  1287
  (x, y) |-> f          f #-> g
16860
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1288
17495
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
  1289
* Pure/library.ML: introduced/changed precedence of infix operators:
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
  1290
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
  1291
  infix 1 |> |-> ||> ||>> |>> |>>> #> #->;
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
  1292
  infix 2 ?;
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
  1293
  infix 3 o oo ooo oooo;
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
  1294
  infix 4 ~~ upto downto;
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
  1295
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
  1296
Maybe INCOMPATIBILITY when any of those is used in conjunction with other
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
  1297
infix operators.
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
  1298
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1299
* Pure/library.ML: natural list combinators fold, fold_rev, and
16869
bc98da5727be reverted from fold_yield to fold_map
haftmann
parents: 16868
diff changeset
  1300
fold_map support linear functional transformations and nesting.  For
16860
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1301
example:
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1302
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1303
  fold f [x1, ..., xN] y =
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1304
    y |> f x1 |> ... |> f xN
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1305
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1306
  (fold o fold) f [xs1, ..., xsN] y =
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1307
    y |> fold f xs1 |> ... |> fold f xsN
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1308
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1309
  fold f [x1, ..., xN] =
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1310
    f x1 #> ... #> f xN
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1311
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1312
  (fold o fold) f [xs1, ..., xsN] =
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1313
    fold f xs1 #> ... #> fold f xsN
43abdba4da5c * Pure/library.ML: several combinators for linear functional transformations;
wenzelm
parents: 16856
diff changeset
  1314
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1315
* Pure/library.ML: the following selectors on type 'a option are
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1316
available:
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1317
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1318
  the:               'a option -> 'a  (*partial*)
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1319
  these:             'a option -> 'a  where 'a = 'b list
17402
41f1249bce37 AList, the_*
haftmann
parents: 17398
diff changeset
  1320
  the_default: 'a -> 'a option -> 'a
41f1249bce37 AList, the_*
haftmann
parents: 17398
diff changeset
  1321
  the_list:          'a option -> 'a list
41f1249bce37 AList, the_*
haftmann
parents: 17398
diff changeset
  1322
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1323
* Pure/General: structure AList (cf. Pure/General/alist.ML) provides
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1324
basic operations for association lists, following natural argument
17564
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1325
order; moreover the explicit equality predicate passed here avoids
17495
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
  1326
potentially expensive polymorphic runtime equality checks.
ddb14cbec6a2 infix operator precedence
haftmann
parents: 17457
diff changeset
  1327
The old functions may be expressed as follows:
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1328
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1329
  assoc = uncurry (AList.lookup (op =))
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1330
  assocs = these oo AList.lookup (op =)
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1331
  overwrite = uncurry (AList.update (op =)) o swap
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1332
17564
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1333
* Pure/General: structure AList (cf. Pure/General/alist.ML) provides
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1334
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1335
  val make: ('a -> 'b) -> 'a list -> ('a * 'b) list
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1336
  val find: ('a * 'b -> bool) -> ('c * 'b) list -> 'a -> 'c list
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1337
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1338
replacing make_keylist and keyfilter (occassionally used)
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1339
Naive rewrites:
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1340
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1341
  make_keylist = AList.make
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1342
  keyfilter = AList.find (op =)
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1343
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1344
* eq_fst and eq_snd now take explicit equality parameter, thus
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1345
  avoiding eqtypes. Naive rewrites:
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1346
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1347
    eq_fst = eq_fst (op =)
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1348
    eq_snd = eq_snd (op =)
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1349
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1350
* Removed deprecated apl and apr (rarely used).
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1351
  Naive rewrites:
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1352
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1353
    apl (n, op) =>>= curry op n
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1354
    apr (op, m) =>>= fn n => op (n, m)
0350ac95c4b6 added AList.make, eq_fst, apr ...
haftmann
parents: 17548
diff changeset
  1355
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1356
* Pure/General: structure OrdList (cf. Pure/General/ord_list.ML)
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1357
provides a reasonably efficient light-weight implementation of sets as
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1358
lists.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1359
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1360
* Pure/General: generic tables (cf. Pure/General/table.ML) provide a
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1361
few new operations; existing lookup and update are now curried to
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1362
follow natural argument order (for use with fold etc.);
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1363
INCOMPATIBILITY, use (uncurry Symtab.lookup) etc. as last resort.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1364
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1365
* Pure/General: output via the Isabelle channels of
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1366
writeln/warning/error etc. is now passed through Output.output, with a
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1367
hook for arbitrary transformations depending on the print_mode
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1368
(cf. Output.add_mode -- the first active mode that provides a output
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1369
function wins).  Already formatted output may be embedded into further
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1370
text via Output.raw; the result of Pretty.string_of/str_of and derived
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1371
functions (string_of_term/cterm/thm etc.) is already marked raw to
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1372
accommodate easy composition of diagnostic messages etc.  Programmers
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1373
rarely need to care about Output.output or Output.raw at all, with
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1374
some notable exceptions: Output.output is required when bypassing the
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1375
standard channels (writeln etc.), or in token translations to produce
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1376
properly formatted results; Output.raw is required when capturing
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1377
already output material that will eventually be presented to the user
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1378
a second time.  For the default print mode, both Output.output and
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1379
Output.raw have no effect.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1380
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1381
* Pure/General: Output.time_accumulator NAME creates an operator ('a
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1382
-> 'b) -> 'a -> 'b to measure runtime and count invocations; the
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1383
cumulative results are displayed at the end of a batch session.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1384
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1385
* Pure/General: File.sysify_path and File.quote_sysify path have been
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1386
replaced by File.platform_path and File.shell_path (with appropriate
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1387
hooks).  This provides a clean interface for unusual systems where the
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1388
internal and external process view of file names are different.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1389
16689
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
  1390
* Pure: more efficient orders for basic syntactic entities: added
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
  1391
fast_string_ord, fast_indexname_ord, fast_term_ord; changed sort_ord
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
  1392
and typ_ord to use fast_string_ord and fast_indexname_ord (term_ord is
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
  1393
NOT affected); structures Symtab, Vartab, Typtab, Termtab use the fast
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
  1394
orders now -- potential INCOMPATIBILITY for code that depends on a
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
  1395
particular order for Symtab.keys, Symtab.dest, etc. (consider using
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
  1396
Library.sort_strings on result).
05b986733a59 * Pure: structure OrdList (cf. Pure/General/ord_list.ML);
wenzelm
parents: 16662
diff changeset
  1397
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1398
* Pure/term.ML: combinators fold_atyps, fold_aterms, fold_term_types,
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1399
fold_types traverse types/terms from left to right, observing natural
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1400
argument order.  Supercedes previous foldl_XXX versions, add_frees,
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1401
add_vars etc. have been adapted as well: INCOMPATIBILITY.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1402
16151
cf7f146086bc ML Pure: name spaces have been refined;
wenzelm
parents: 16112
diff changeset
  1403
* Pure: name spaces have been refined, with significant changes of the
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1404
internal interfaces -- INCOMPATIBILITY.  Renamed cond_extern(_table)
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1405
to extern(_table).  The plain name entry path is superceded by a
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1406
general 'naming' context, which also includes the 'policy' to produce
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1407
a fully qualified name and external accesses of a fully qualified
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1408
name; NameSpace.extend is superceded by context dependent
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1409
Sign.declare_name.  Several theory and proof context operations modify
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1410
the naming context.  Especially note Theory.restore_naming and
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1411
ProofContext.restore_naming to get back to a sane state; note that
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1412
Theory.add_path is no longer sufficient to recover from
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1413
Theory.absolute_path in particular.