NEWS
author wenzelm
Mon, 30 Apr 2007 13:32:58 +0200
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permissions -rw-r--r--
explicit treatment of legacy_features;
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Isabelle NEWS -- history user-relevant changes
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==============================================
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New in this Isabelle version
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----------------------------
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58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
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*** General ***
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* More uniform information about legacy features, notably a
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warning/error of "Legacy feature: ...", depending on the state of the
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tolerate_legacy_features flag (default true).
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* Theory syntax: the header format ``theory A = B + C:'' has been
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discontinued in favour of ``theory A imports B C begin''.  Use isatool
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fixheaders to convert existing theory files.  INCOMPATIBILITY.
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* Theory syntax: the old non-Isar theory file format has been
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discontinued altogether.  Note that ML proof scripts may still be used
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with Isar theories; migration is usually quite simple with the ML
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function use_legacy_bindings.  INCOMPATIBILITY.
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* Theory syntax: some popular names (e.g. "class", "fun", "help",
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"if") are now keywords.  INCOMPATIBILITY, use double quotes.
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* Legacy goal package: reduced interface to the bare minimum required
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to keep existing proof scripts running.  Most other user-level
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functions are now part of the OldGoals structure, which is *not* open
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by default (consider isatool expandshort before open OldGoals).
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Removed top_sg, prin, printyp, pprint_term/typ altogether, because
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these tend to cause confusion about the actual goal (!) context being
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used here, which is not necessarily the same as the_context().
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* Command 'find_theorems': support "*" wildcard in "name:" criterion.
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* The ``prems limit'' option (cf. ProofContext.prems_limit) is now -1
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by default, which means that "prems" (and also "fixed variables") are
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suppressed from proof state output.  Note that the ProofGeneral
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settings mechanism allows to change and save options persistently, but
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older versions of Isabelle will fail to start up if a negative prems
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limit is imposed.
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* Local theory targets may be specified by non-nested blocks of
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``context/locale/class ... begin'' followed by ``end''.  The body may
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contain definitions, theorems etc., including any derived mechanism
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that has been implemented on top of these primitives.  This concept
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generalizes the existing ``theorem (in ...)'' towards more versatility
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and scalability.
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* Proof General interface: proper undo of final 'end' command;
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discontinued Isabelle/classic mode (ML proof scripts).
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*** Document preparation ***
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* Added antiquotation @{theory name} which prints the given name,
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after checking that it refers to a valid ancestor theory in the
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current context.
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* Added antiquotations @{ML_type text} and @{ML_struct text} which
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check the given source text as ML type/structure, printing verbatim.
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* Added antiquotation @{abbrev "c args"} which prints the abbreviation
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"c args == rhs" given in the current context.  (Any number of
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arguments may be given on the LHS.)
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*** Pure ***
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* code generator: 
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  - Isar "definition"s and primitive instance definitions are added explicitly
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    to the table of defining equations
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  - primitive definitions are not used as defining equations by default any longer
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  - defining equations are now definitly restricted to meta "==" and object
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        equality "="
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  - HOL theories have been adopted accordingly
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* class_package.ML offers a combination of axclasses and locales to
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achieve Haskell-like type classes in Isabelle. See
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HOL/ex/Classpackage.thy for examples.
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* Yet another code generator framework allows to generate executable
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code for ML and Haskell (including "class"es). A short usage sketch:
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    internal compilation:
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        code_gen <list of constants (term syntax)> (SML #)
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    writing SML code to a file:
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        code_gen <list of constants (term syntax)> (SML <filename>)
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    writing OCaml code to a file:
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        code_gen <list of constants (term syntax)> (OCaml <filename>)
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    writing Haskell code to a bunch of files:
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        code_gen <list of constants (term syntax)> (Haskell <filename>)
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Reasonable default setup of framework in HOL/Main.
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Theorem attributs for selecting and transforming function equations theorems:
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    [code fun]:       select a theorem as function equation for a specific constant
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    [code nofun]:     deselect a theorem as function equation for a specific constant
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    [code inline]:    select an equation theorem for unfolding (inlining) in place
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    [code noinline]:  deselect an equation theorem for unfolding (inlining) in place
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User-defined serializations (target in {SML, OCaml, Haskell}):
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    code_const <and-list of constants (term syntax)>
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      {(target) <and-list of const target syntax>}+
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    code_type <and-list of type constructors>
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      {(target) <and-list of type target syntax>}+
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    code_instance <and-list of instances>
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      {(target)}+
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        where instance ::= <type constructor> :: <class>
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    code_class <and_list of classes>
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      {(target) <and-list of class target syntax>}+
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        where class target syntax ::= <class name> {where {<classop> == <target syntax>}+}?
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code_instance and code_class only apply to target Haskell.
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See HOL theories and HOL/ex/Codegenerator*.thy for usage examples.
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Doc/Isar/Advanced/Codegen/ provides a tutorial.
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* Command 'no_translations' removes translation rules from theory
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syntax.
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* Overloaded definitions are now actually checked for acyclic
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dependencies.  The overloading scheme is slightly more general than
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that of Haskell98, although Isabelle does not demand an exact
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correspondence to type class and instance declarations.
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INCOMPATIBILITY, use ``defs (unchecked overloaded)'' to admit more
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exotic versions of overloading -- at the discretion of the user!
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Polymorphic constants are represented via type arguments, i.e. the
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instantiation that matches an instance against the most general
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declaration given in the signature.  For example, with the declaration
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c :: 'a => 'a => 'a, an instance c :: nat => nat => nat is represented
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as c(nat).  Overloading is essentially simultaneous structural
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recursion over such type arguments.  Incomplete specification patterns
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impose global constraints on all occurrences, e.g. c('a * 'a) on the
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LHS means that more general c('a * 'b) will be disallowed on any RHS.
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Command 'print_theory' outputs the normalized system of recursive
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equations, see section "definitions".
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* Isar: improper proof element 'guess' is like 'obtain', but derives
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the obtained context from the course of reasoning!  For example:
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  assume "EX x y. A x & B y"   -- "any previous fact"
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  then guess x and y by clarify
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This technique is potentially adventurous, depending on the facts and
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proof tools being involved here.
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* Isar: known facts from the proof context may be specified as literal
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propositions, using ASCII back-quote syntax.  This works wherever
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named facts used to be allowed so far, in proof commands, proof
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methods, attributes etc.  Literal facts are retrieved from the context
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according to unification of type and term parameters.  For example,
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provided that "A" and "A ==> B" and "!!x. P x ==> Q x" are known
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theorems in the current context, then these are valid literal facts:
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   161
`A` and `A ==> B` and `!!x. P x ==> Q x" as well as `P a ==> Q a` etc.
d23a846598d2 * Pure/Isar: literal facts;
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   162
d23a846598d2 * Pure/Isar: literal facts;
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   163
There is also a proof method "fact" which does the same composition
18044
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   164
for explicit goal states, e.g. the following proof texts coincide with
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diff changeset
   165
certain special cases of literal facts:
18020
d23a846598d2 * Pure/Isar: literal facts;
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   166
d23a846598d2 * Pure/Isar: literal facts;
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   167
  have "A" by fact                 ==  note `A`
d23a846598d2 * Pure/Isar: literal facts;
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   168
  have "A ==> B" by fact           ==  note `A ==> B`
d23a846598d2 * Pure/Isar: literal facts;
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   169
  have "!!x. P x ==> Q x" by fact  ==  note `!!x. P x ==> Q x`
d23a846598d2 * Pure/Isar: literal facts;
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   170
  have "P a ==> Q a" by fact       ==  note `P a ==> Q a`
d23a846598d2 * Pure/Isar: literal facts;
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   171
20118
0c1ec587a5a8 * Isar: ":" (colon) is no longer a symbolic identifier character;
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   172
* Isar: ":" (colon) is no longer a symbolic identifier character in
0c1ec587a5a8 * Isar: ":" (colon) is no longer a symbolic identifier character;
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   173
outer syntax.  Thus symbolic identifiers may be used without
0c1ec587a5a8 * Isar: ":" (colon) is no longer a symbolic identifier character;
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   174
additional white space in declarations like this: ``assume *: A''.
0c1ec587a5a8 * Isar: ":" (colon) is no longer a symbolic identifier character;
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   175
20013
57505678692d Isar: 'print_facts' prints all local facts;
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   176
* Isar: 'print_facts' prints all local facts of the current context,
57505678692d Isar: 'print_facts' prints all local facts;
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   177
both named and unnamed ones.
57505678692d Isar: 'print_facts' prints all local facts;
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   178
18308
f18a54840629 simulaneous 'def';
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   179
* Isar: 'def' now admits simultaneous definitions, e.g.:
f18a54840629 simulaneous 'def';
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   180
f18a54840629 simulaneous 'def';
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   181
  def x == "t" and y == "u"
f18a54840629 simulaneous 'def';
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   182
18540
7b6f57406b1b * Pure/Isar: new command 'unfolding';
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   183
* Isar: added command 'unfolding', which is structurally similar to
7b6f57406b1b * Pure/Isar: new command 'unfolding';
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   184
'using', but affects both the goal state and facts by unfolding given
18815
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
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   185
rewrite rules.  Thus many occurrences of the 'unfold' method or
18540
7b6f57406b1b * Pure/Isar: new command 'unfolding';
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   186
'unfolded' attribute may be replaced by first-class proof text.
7b6f57406b1b * Pure/Isar: new command 'unfolding';
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   187
18815
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
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   188
* Isar: methods 'unfold' / 'fold', attributes 'unfolded' / 'folded',
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
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   189
and command 'unfolding' now all support object-level equalities
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
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   190
(potentially conditional).  The underlying notion of rewrite rule is
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
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   191
analogous to the 'rule_format' attribute, but *not* that of the
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
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   192
Simplifier (which is usually more generous).
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
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diff changeset
   193
19220
05b00acff957 Isar/method: goal restriction;
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   194
* Isar: the goal restriction operator [N] (default N = 1) evaluates a
05b00acff957 Isar/method: goal restriction;
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   195
method expression within a sandbox consisting of the first N
19240
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   196
sub-goals, which need to exist.  For example, ``simp_all [3]''
wenzelm
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   197
simplifies the first three sub-goals, while (rule foo, simp_all)[]
wenzelm
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   198
simplifies all new goals that emerge from applying rule foo to the
wenzelm
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   199
originally first one.
19220
05b00acff957 Isar/method: goal restriction;
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   200
19814
faa698d46686 * Theory syntax: some popular names (e.g. "class", "if") are now keywords.
wenzelm
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   201
* Isar: schematic goals are no longer restricted to higher-order
faa698d46686 * Theory syntax: some popular names (e.g. "class", "if") are now keywords.
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   202
patterns; e.g. ``lemma "?P(?x)" by (rule TrueI)'' now works as
faa698d46686 * Theory syntax: some popular names (e.g. "class", "if") are now keywords.
wenzelm
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   203
expected.
faa698d46686 * Theory syntax: some popular names (e.g. "class", "if") are now keywords.
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   204
18901
701e53c81c25 * Isar: 'obtains' element;
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   205
* Isar: the conclusion of a long theorem statement is now either
701e53c81c25 * Isar: 'obtains' element;
wenzelm
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diff changeset
   206
'shows' (a simultaneous conjunction, as before), or 'obtains'
701e53c81c25 * Isar: 'obtains' element;
wenzelm
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   207
(essentially a disjunction of cases with local parameters and
701e53c81c25 * Isar: 'obtains' element;
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   208
assumptions).  The latter allows to express general elimination rules
18910
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diff changeset
   209
adequately; in this notation common elimination rules look like this:
18901
701e53c81c25 * Isar: 'obtains' element;
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   210
701e53c81c25 * Isar: 'obtains' element;
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   211
  lemma exE:    -- "EX x. P x ==> (!!x. P x ==> thesis) ==> thesis"
701e53c81c25 * Isar: 'obtains' element;
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   212
    assumes "EX x. P x"
701e53c81c25 * Isar: 'obtains' element;
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   213
    obtains x where "P x"
701e53c81c25 * Isar: 'obtains' element;
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diff changeset
   214
701e53c81c25 * Isar: 'obtains' element;
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   215
  lemma conjE:  -- "A & B ==> (A ==> B ==> thesis) ==> thesis"
701e53c81c25 * Isar: 'obtains' element;
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   216
    assumes "A & B"
701e53c81c25 * Isar: 'obtains' element;
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diff changeset
   217
    obtains A and B
701e53c81c25 * Isar: 'obtains' element;
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   218
701e53c81c25 * Isar: 'obtains' element;
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   219
  lemma disjE:  -- "A | B ==> (A ==> thesis) ==> (B ==> thesis) ==> thesis"
701e53c81c25 * Isar: 'obtains' element;
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   220
    assumes "A | B"
701e53c81c25 * Isar: 'obtains' element;
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   221
    obtains
701e53c81c25 * Isar: 'obtains' element;
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   222
      A
701e53c81c25 * Isar: 'obtains' element;
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diff changeset
   223
    | B
701e53c81c25 * Isar: 'obtains' element;
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diff changeset
   224
18910
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diff changeset
   225
The subsequent classical rules even refer to the formal "thesis"
18901
701e53c81c25 * Isar: 'obtains' element;
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   226
explicitly:
701e53c81c25 * Isar: 'obtains' element;
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diff changeset
   227
701e53c81c25 * Isar: 'obtains' element;
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diff changeset
   228
  lemma classical:     -- "(~ thesis ==> thesis) ==> thesis"
701e53c81c25 * Isar: 'obtains' element;
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   229
    obtains "~ thesis"
701e53c81c25 * Isar: 'obtains' element;
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   230
18910
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   231
  lemma Peirce's_Law:  -- "((thesis ==> something) ==> thesis) ==> thesis"
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   232
    obtains "thesis ==> something"
18901
701e53c81c25 * Isar: 'obtains' element;
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   233
701e53c81c25 * Isar: 'obtains' element;
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diff changeset
   234
The actual proof of an 'obtains' statement is analogous to that of the
18910
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   235
Isar proof element 'obtain', only that there may be several cases.
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   236
Optional case names may be specified in parentheses; these will be
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   237
available both in the present proof and as annotations in the
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   238
resulting rule, for later use with the 'cases' method (cf. attribute
wenzelm
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   239
case_names).
18901
701e53c81c25 * Isar: 'obtains' element;
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diff changeset
   240
21447
379f130843f7 * Isar: the assumptions of a long theorem statement are available as assms;
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   241
* Isar: the assumptions of a long theorem statement are available as
379f130843f7 * Isar: the assumptions of a long theorem statement are available as assms;
wenzelm
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diff changeset
   242
"assms" fact in the proof context.  This is more appropriate than the
379f130843f7 * Isar: the assumptions of a long theorem statement are available as assms;
wenzelm
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diff changeset
   243
(historical) "prems", which refers to all assumptions of the current
379f130843f7 * Isar: the assumptions of a long theorem statement are available as assms;
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diff changeset
   244
context, including those from the target locale, proof body etc.
379f130843f7 * Isar: the assumptions of a long theorem statement are available as assms;
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diff changeset
   245
19263
a86d09815dac print_statement;
wenzelm
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diff changeset
   246
* Isar: 'print_statement' prints theorems from the current theory or
a86d09815dac print_statement;
wenzelm
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diff changeset
   247
proof context in long statement form, according to the syntax of a
a86d09815dac print_statement;
wenzelm
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diff changeset
   248
top-level lemma.
a86d09815dac print_statement;
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diff changeset
   249
18901
701e53c81c25 * Isar: 'obtains' element;
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diff changeset
   250
* Isar: 'obtain' takes an optional case name for the local context
701e53c81c25 * Isar: 'obtains' element;
wenzelm
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diff changeset
   251
introduction rule (default "that").
701e53c81c25 * Isar: 'obtains' element;
wenzelm
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diff changeset
   252
19587
eb063e7932d7 * Isar: removed obsolete 'concl is' patterns.
wenzelm
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diff changeset
   253
* Isar: removed obsolete 'concl is' patterns.  INCOMPATIBILITY, use
eb063e7932d7 * Isar: removed obsolete 'concl is' patterns.
wenzelm
parents: 19572
diff changeset
   254
explicit (is "_ ==> ?foo") in the rare cases where this still happens
eb063e7932d7 * Isar: removed obsolete 'concl is' patterns.
wenzelm
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diff changeset
   255
to occur.
eb063e7932d7 * Isar: removed obsolete 'concl is' patterns.
wenzelm
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diff changeset
   256
19682
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
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diff changeset
   257
* Pure: syntax "CONST name" produces a fully internalized constant
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents: 19665
diff changeset
   258
according to the current context.  This is particularly useful for
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents: 19665
diff changeset
   259
syntax translations that should refer to internal constant
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
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diff changeset
   260
representations independently of name spaces.
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents: 19665
diff changeset
   261
21537
45b3a85ee548 * Pure: syntax constant for foo (binder) is called foo_binder;
wenzelm
parents: 21471
diff changeset
   262
* Pure: syntax constant for foo (binder "FOO ") is called "foo_binder"
45b3a85ee548 * Pure: syntax constant for foo (binder) is called foo_binder;
wenzelm
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diff changeset
   263
instead of "FOO ". This allows multiple binder declarations to coexist
45b3a85ee548 * Pure: syntax constant for foo (binder) is called foo_binder;
wenzelm
parents: 21471
diff changeset
   264
in the same context.  INCOMPATIBILITY.
45b3a85ee548 * Pure: syntax constant for foo (binder) is called foo_binder;
wenzelm
parents: 21471
diff changeset
   265
21209
dbb8decc36bc 'const_syntax' command: allow fixed variables, renamed to 'notation';
wenzelm
parents: 21200
diff changeset
   266
* Isar/locales: 'notation' provides a robust interface to the 'syntax'
dbb8decc36bc 'const_syntax' command: allow fixed variables, renamed to 'notation';
wenzelm
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diff changeset
   267
primitive that also works in a locale context (both for constants and
dbb8decc36bc 'const_syntax' command: allow fixed variables, renamed to 'notation';
wenzelm
parents: 21200
diff changeset
   268
fixed variables).  Type declaration and internal syntactic
dbb8decc36bc 'const_syntax' command: allow fixed variables, renamed to 'notation';
wenzelm
parents: 21200
diff changeset
   269
representation of given constants retrieved from the context.
19682
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
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diff changeset
   270
19665
8885951e9c2d * Isar/locale: 'const_syntax';
wenzelm
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diff changeset
   271
* Isar/locales: new derived specification elements 'axiomatization',
8885951e9c2d * Isar/locale: 'const_syntax';
wenzelm
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diff changeset
   272
'definition', 'abbreviation', which support type-inference, admit
19083
wenzelm
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diff changeset
   273
object-level specifications (equality, equivalence).  See also the
wenzelm
parents: 19081
diff changeset
   274
isar-ref manual.  Examples:
19081
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
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diff changeset
   275
19665
8885951e9c2d * Isar/locale: 'const_syntax';
wenzelm
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diff changeset
   276
  axiomatization
21595
wenzelm
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diff changeset
   277
    eq  (infix "===" 50) where
wenzelm
parents: 21545
diff changeset
   278
    eq_refl: "x === x" and eq_subst: "x === y ==> P x ==> P y"
wenzelm
parents: 21545
diff changeset
   279
wenzelm
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diff changeset
   280
  definition "f x y = x + y + 1"
wenzelm
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diff changeset
   281
  definition g where "g x = f x x"
19081
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
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diff changeset
   282
19363
667b5ea637dd refined 'abbreviation';
wenzelm
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diff changeset
   283
  abbreviation
21595
wenzelm
parents: 21545
diff changeset
   284
    neq  (infix "=!=" 50) where
19363
667b5ea637dd refined 'abbreviation';
wenzelm
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diff changeset
   285
    "x =!= y == ~ (x === y)"
19081
085b5badb8de * Isar/locales: new derived specification elements 'definition', 'abbreviation', 'axiomatization';
wenzelm
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diff changeset
   286
19083
wenzelm
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diff changeset
   287
These specifications may be also used in a locale context.  Then the
wenzelm
parents: 19081
diff changeset
   288
constants being introduced depend on certain fixed parameters, and the
wenzelm
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diff changeset
   289
constant name is qualified by the locale base name.  An internal
wenzelm
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diff changeset
   290
abbreviation takes care for convenient input and output, making the
19088
wenzelm
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diff changeset
   291
parameters implicit and using the original short name.  See also
19083
wenzelm
parents: 19081
diff changeset
   292
HOL/ex/Abstract_NAT.thy for an example of deriving polymorphic
wenzelm
parents: 19081
diff changeset
   293
entities from a monomorphic theory.
wenzelm
parents: 19081
diff changeset
   294
wenzelm
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diff changeset
   295
Presently, abbreviations are only available 'in' a target locale, but
19363
667b5ea637dd refined 'abbreviation';
wenzelm
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diff changeset
   296
not inherited by general import expressions.  Also note that
667b5ea637dd refined 'abbreviation';
wenzelm
parents: 19279
diff changeset
   297
'abbreviation' may be used as a type-safe replacement for 'syntax' +
667b5ea637dd refined 'abbreviation';
wenzelm
parents: 19279
diff changeset
   298
'translations' in common applications.
19084
wenzelm
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diff changeset
   299
19682
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
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diff changeset
   300
Concrete syntax is attached to specified constants in internal form,
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
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diff changeset
   301
independently of name spaces.  The parse tree representation is
21209
dbb8decc36bc 'const_syntax' command: allow fixed variables, renamed to 'notation';
wenzelm
parents: 21200
diff changeset
   302
slightly different -- use 'notation' instead of raw 'syntax', and
19682
c8c301eb965a * Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents: 19665
diff changeset
   303
'translations' with explicit "CONST" markup to accommodate this.
19665
8885951e9c2d * Isar/locale: 'const_syntax';
wenzelm
parents: 19653
diff changeset
   304
21735
0c65e072f4be added print_abbrevs;
wenzelm
parents: 21717
diff changeset
   305
* Pure: command 'print_abbrevs' prints all constant abbreviations of
0c65e072f4be added print_abbrevs;
wenzelm
parents: 21717
diff changeset
   306
the current context.  Print mode "no_abbrevs" prevents inversion of
0c65e072f4be added print_abbrevs;
wenzelm
parents: 21717
diff changeset
   307
abbreviations on output.
0c65e072f4be added print_abbrevs;
wenzelm
parents: 21717
diff changeset
   308
19783
82f365a14960 Improved parameter management of locales.
ballarin
parents: 19715
diff changeset
   309
* Isar/locales: improved parameter handling:
82f365a14960 Improved parameter management of locales.
ballarin
parents: 19715
diff changeset
   310
- use of locales "var" and "struct" no longer necessary;
82f365a14960 Improved parameter management of locales.
ballarin
parents: 19715
diff changeset
   311
- parameter renamings are no longer required to be injective.
82f365a14960 Improved parameter management of locales.
ballarin
parents: 19715
diff changeset
   312
  This enables, for example, to define a locale for endomorphisms thus:
82f365a14960 Improved parameter management of locales.
ballarin
parents: 19715
diff changeset
   313
  locale endom = homom mult mult h.
82f365a14960 Improved parameter management of locales.
ballarin
parents: 19715
diff changeset
   314
19931
fb32b43e7f80 Restructured locales with predicates: import is now an interpretation.
ballarin
parents: 19895
diff changeset
   315
* Isar/locales: changed the way locales with predicates are defined.
fb32b43e7f80 Restructured locales with predicates: import is now an interpretation.
ballarin
parents: 19895
diff changeset
   316
Instead of accumulating the specification, the imported expression is
22126
wenzelm
parents: 22125
diff changeset
   317
now an interpretation.  INCOMPATIBILITY: different normal form of
wenzelm
parents: 22125
diff changeset
   318
locale expressions.  In particular, in interpretations of locales with
wenzelm
parents: 22125
diff changeset
   319
predicates, goals repesenting already interpreted fragments are not
wenzelm
parents: 22125
diff changeset
   320
removed automatically.  Use methods `intro_locales' and
wenzelm
parents: 22125
diff changeset
   321
`unfold_locales'; see below.
wenzelm
parents: 22125
diff changeset
   322
wenzelm
parents: 22125
diff changeset
   323
* Isar/locales: new methods `intro_locales' and `unfold_locales'
wenzelm
parents: 22125
diff changeset
   324
provide backward reasoning on locales predicates.  The methods are
wenzelm
parents: 22125
diff changeset
   325
aware of interpretations and discharge corresponding goals.
wenzelm
parents: 22125
diff changeset
   326
`intro_locales' is less aggressive then `unfold_locales' and does not
wenzelm
parents: 22125
diff changeset
   327
unfold predicates to assumptions.
19931
fb32b43e7f80 Restructured locales with predicates: import is now an interpretation.
ballarin
parents: 19895
diff changeset
   328
fb32b43e7f80 Restructured locales with predicates: import is now an interpretation.
ballarin
parents: 19895
diff changeset
   329
* Isar/locales: the order in which locale fragments are accumulated
22126
wenzelm
parents: 22125
diff changeset
   330
has changed.  This enables to override declarations from fragments due
wenzelm
parents: 22125
diff changeset
   331
to interpretations -- for example, unwanted simp rules.
19931
fb32b43e7f80 Restructured locales with predicates: import is now an interpretation.
ballarin
parents: 19895
diff changeset
   332
18233
wenzelm
parents: 18145
diff changeset
   333
* Provers/induct: improved internal context management to support
wenzelm
parents: 18145
diff changeset
   334
local fixes and defines on-the-fly.  Thus explicit meta-level
wenzelm
parents: 18145
diff changeset
   335
connectives !! and ==> are rarely required anymore in inductive goals
wenzelm
parents: 18145
diff changeset
   336
(using object-logic connectives for this purpose has been long
wenzelm
parents: 18145
diff changeset
   337
obsolete anyway).  The subsequent proof patterns illustrate advanced
wenzelm
parents: 18145
diff changeset
   338
techniques of natural induction; general datatypes and inductive sets
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   339
work analogously (see also src/HOL/Lambda for realistic examples).
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   340
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   341
(1) This is how to ``strengthen'' an inductive goal wrt. certain
18239
wenzelm
parents: 18238
diff changeset
   342
parameters:
18233
wenzelm
parents: 18145
diff changeset
   343
wenzelm
parents: 18145
diff changeset
   344
  lemma
wenzelm
parents: 18145
diff changeset
   345
    fixes n :: nat and x :: 'a
wenzelm
parents: 18145
diff changeset
   346
    assumes a: "A n x"
wenzelm
parents: 18145
diff changeset
   347
    shows "P n x"
wenzelm
parents: 18145
diff changeset
   348
    using a                     -- {* make induct insert fact a *}
20503
503ac4c5ef91 induct method: renamed 'fixing' to 'arbitrary';
wenzelm
parents: 20500
diff changeset
   349
  proof (induct n arbitrary: x) -- {* generalize goal to "!!x. A n x ==> P n x" *}
18248
wenzelm
parents: 18239
diff changeset
   350
    case 0
18233
wenzelm
parents: 18145
diff changeset
   351
    show ?case sorry
wenzelm
parents: 18145
diff changeset
   352
  next
18248
wenzelm
parents: 18239
diff changeset
   353
    case (Suc n)
18239
wenzelm
parents: 18238
diff changeset
   354
    note `!!x. A n x ==> P n x` -- {* induction hypothesis, according to induction rule *}
wenzelm
parents: 18238
diff changeset
   355
    note `A (Suc n) x`          -- {* induction premise, stemming from fact a *}
18233
wenzelm
parents: 18145
diff changeset
   356
    show ?case sorry
wenzelm
parents: 18145
diff changeset
   357
  qed
wenzelm
parents: 18145
diff changeset
   358
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   359
(2) This is how to perform induction over ``expressions of a certain
18233
wenzelm
parents: 18145
diff changeset
   360
form'', using a locally defined inductive parameter n == "a x"
18239
wenzelm
parents: 18238
diff changeset
   361
together with strengthening (the latter is usually required to get
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   362
sufficiently flexible induction hypotheses):
18233
wenzelm
parents: 18145
diff changeset
   363
wenzelm
parents: 18145
diff changeset
   364
  lemma
wenzelm
parents: 18145
diff changeset
   365
    fixes a :: "'a => nat"
wenzelm
parents: 18145
diff changeset
   366
    assumes a: "A (a x)"
wenzelm
parents: 18145
diff changeset
   367
    shows "P (a x)"
wenzelm
parents: 18145
diff changeset
   368
    using a
20503
503ac4c5ef91 induct method: renamed 'fixing' to 'arbitrary';
wenzelm
parents: 20500
diff changeset
   369
  proof (induct n == "a x" arbitrary: x)
18233
wenzelm
parents: 18145
diff changeset
   370
    ...
wenzelm
parents: 18145
diff changeset
   371
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   372
See also HOL/Isar_examples/Puzzle.thy for an application of the this
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   373
particular technique.
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   374
18901
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   375
(3) This is how to perform existential reasoning ('obtains' or
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   376
'obtain') by induction, while avoiding explicit object-logic
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   377
encodings:
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   378
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   379
  lemma
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   380
    fixes n :: nat
701e53c81c25 * Isar: 'obtains' element;
wenzelm
parents: 18862
diff changeset
   381
    obtains x :: 'a where "P n x" and "Q n x"
20503
503ac4c5ef91 induct method: renamed 'fixing' to 'arbitrary';
wenzelm
parents: 20500
diff changeset
   382
  proof (induct n arbitrary: thesis)
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   383
    case 0
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   384
    obtain x where "P 0 x" and "Q 0 x" sorry
18399
651438736fa1 Provers/induct: coinduct;
wenzelm
parents: 18370
diff changeset
   385
    then show thesis by (rule 0)
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   386
  next
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   387
    case (Suc n)
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   388
    obtain x where "P n x" and "Q n x" by (rule Suc.hyps)
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   389
    obtain x where "P (Suc n) x" and "Q (Suc n) x" sorry
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   390
    then show thesis by (rule Suc.prems)
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   391
  qed
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   392
20503
503ac4c5ef91 induct method: renamed 'fixing' to 'arbitrary';
wenzelm
parents: 20500
diff changeset
   393
Here the 'arbitrary: thesis' specification essentially modifies the
503ac4c5ef91 induct method: renamed 'fixing' to 'arbitrary';
wenzelm
parents: 20500
diff changeset
   394
scope of the formal thesis parameter, in order to the get the whole
18267
5ee688e36eeb * Provers/induct: obtain pattern;
wenzelm
parents: 18248
diff changeset
   395
existence statement through the induction as expected.
18233
wenzelm
parents: 18145
diff changeset
   396
18506
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   397
* 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
   398
of rule sharing the same induction cases.  HOL packages usually
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   399
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
   400
(e.g. inductive sets or datatypes).  INCOMPATIBILITY, users need to
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   401
specify mutual induction rules differently, i.e. like this:
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   402
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   403
  (induct rule: foo_bar.inducts)
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   404
  (induct set: foo bar)
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   405
  (induct type: foo bar)
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   406
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   407
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
   408
new format.
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   409
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   410
* Provers/induct: improved handling of simultaneous goals.  Instead of
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   411
introducing object-level conjunction, the statement is now split into
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   412
several conclusions, while the corresponding symbolic cases are
18601
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   413
nested accordingly.  INCOMPATIBILITY, proofs need to be structured
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   414
explicitly.  For example:
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   415
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   416
  lemma
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   417
    fixes n :: nat
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   418
    shows "P n" and "Q n"
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   419
  proof (induct n)
18601
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   420
    case 0 case 1
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   421
    show "P 0" sorry
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   422
  next
18601
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   423
    case 0 case 2
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   424
    show "Q 0" sorry
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   425
  next
18601
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   426
    case (Suc n) case 1
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   427
    note `P n` and `Q n`
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   428
    show "P (Suc n)" sorry
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   429
  next
18601
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   430
    case (Suc n) case 2
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   431
    note `P n` and `Q n`
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   432
    show "Q (Suc n)" sorry
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   433
  qed
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   434
18601
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   435
The split into subcases may be deferred as follows -- this is
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   436
particularly relevant for goal statements with local premises.
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   437
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   438
  lemma
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   439
    fixes n :: nat
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   440
    shows "A n ==> P n" and "B n ==> Q n"
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   441
  proof (induct n)
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   442
    case 0
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   443
    {
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   444
      case 1
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   445
      note `A 0`
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   446
      show "P 0" sorry
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   447
    next
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   448
      case 2
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   449
      note `B 0`
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   450
      show "Q 0" sorry
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   451
    }
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   452
  next
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   453
    case (Suc n)
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   454
    note `A n ==> P n` and `B n ==> Q n`
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   455
    {
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   456
      case 1
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   457
      note `A (Suc n)`
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   458
      show "P (Suc n)" sorry
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   459
    next
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   460
      case 2
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   461
      note `B (Suc n)`
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   462
      show "Q (Suc n)" sorry
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   463
    }
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   464
  qed
b248754b60bc * Provers/induct: improved simultaneous goals -- nested cases;
wenzelm
parents: 18590
diff changeset
   465
18506
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   466
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
   467
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
   468
lists of propositions separated by 'and':
96260fb11449 * Provers/induct: support simultaneous goals with mutual rules;
wenzelm
parents: 18495
diff changeset
   469
18507
wenzelm
parents: 18506
diff changeset
   470
  lemma
wenzelm
parents: 18506
diff changeset
   471
    shows "a : A ==> P1 a"
wenzelm
parents: 18506
diff changeset
   472
          "a : A ==> P2 a"
wenzelm
parents: 18506
diff changeset
   473
      and "b : B ==> Q1 b"
wenzelm
parents: 18506
diff changeset
   474
          "b : B ==> Q2 b"
wenzelm
parents: 18506
diff changeset
   475
          "b : B ==> Q3 b"
wenzelm
parents: 18506
diff changeset
   476
  proof (induct set: A B)
18480
8ac97f71369d * induct: improved treatment of mutual goals and mutual rules;
wenzelm
parents: 18450
diff changeset
   477
18399
651438736fa1 Provers/induct: coinduct;
wenzelm
parents: 18370
diff changeset
   478
* Provers/induct: support coinduction as well.  See
651438736fa1 Provers/induct: coinduct;
wenzelm
parents: 18370
diff changeset
   479
src/HOL/Library/Coinductive_List.thy for various examples.
651438736fa1 Provers/induct: coinduct;
wenzelm
parents: 18370
diff changeset
   480
20919
dab803075c62 attribute "symmetric": standardized schematic variables;
wenzelm
parents: 20857
diff changeset
   481
* Attribute "symmetric" produces result with standardized schematic
dab803075c62 attribute "symmetric": standardized schematic variables;
wenzelm
parents: 20857
diff changeset
   482
variables (index 0).  Potential INCOMPATIBILITY.
dab803075c62 attribute "symmetric": standardized schematic variables;
wenzelm
parents: 20857
diff changeset
   483
22126
wenzelm
parents: 22125
diff changeset
   484
* Simplifier: by default the simplifier trace only shows top level
wenzelm
parents: 22125
diff changeset
   485
rewrites now. That is, trace_simp_depth_limit is set to 1 by
wenzelm
parents: 22125
diff changeset
   486
default. Thus there is less danger of being flooded by the trace. The
wenzelm
parents: 22125
diff changeset
   487
trace indicates where parts have been suppressed.
18674
98d380757893 *** empty log message ***
nipkow
parents: 18644
diff changeset
   488
  
18536
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   489
* Provers/classical: removed obsolete classical version of elim_format
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   490
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
   491
manipulating the claset.
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   492
18694
83f50ac6ddcb * Classical: optional weight for attributes;
wenzelm
parents: 18687
diff changeset
   493
* Provers/classical: stricter checks to ensure that supplied intro,
83f50ac6ddcb * Classical: optional weight for attributes;
wenzelm
parents: 18687
diff changeset
   494
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
   495
least one premise.
83f50ac6ddcb * Classical: optional weight for attributes;
wenzelm
parents: 18687
diff changeset
   496
83f50ac6ddcb * Classical: optional weight for attributes;
wenzelm
parents: 18687
diff changeset
   497
* Provers/classical: attributes dest/elim/intro take an optional
18695
wenzelm
parents: 18694
diff changeset
   498
weight argument for the rule (just as the Pure versions).  Weights are
18696
wenzelm
parents: 18695
diff changeset
   499
ignored by automated tools, but determine the search order of single
18694
83f50ac6ddcb * Classical: optional weight for attributes;
wenzelm
parents: 18687
diff changeset
   500
rule steps.
18557
60a0f9caa0a2 Provers/classical: stricter checks to ensure that supplied intro, dest and
paulson
parents: 18549
diff changeset
   501
18536
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   502
* Syntax: input syntax now supports dummy variable binding "%_. b",
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   503
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
   504
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
   505
"{_. _}" match any set comprehension as expected.  Potential
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   506
INCOMPATIBILITY -- parse translations need to cope with syntactic
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   507
constant "_idtdummy" in the binding position.
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   508
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   509
* Syntax: removed obsolete syntactic constant "_K" and its associated
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   510
parse translation.  INCOMPATIBILITY -- use dummy abstraction instead,
ab3f32f86847 * Provers/classical: removed obsolete classical version of elim_format;
wenzelm
parents: 18507
diff changeset
   511
for example "A -> B" => "Pi A (%_. B)".
17779
407bea05c2da added dummy variable binding;
wenzelm
parents: 17754
diff changeset
   512
20582
ebd0e03c6a9b * Pure: 'class_deps' command visualizes the subclass relation;
wenzelm
parents: 20503
diff changeset
   513
* Pure: 'class_deps' command visualizes the subclass relation, using
ebd0e03c6a9b * Pure: 'class_deps' command visualizes the subclass relation;
wenzelm
parents: 20503
diff changeset
   514
the graph browser tool.
ebd0e03c6a9b * Pure: 'class_deps' command visualizes the subclass relation;
wenzelm
parents: 20503
diff changeset
   515
20620
8b26f58c5646 * Pure: 'print_theory' now suppresses entities with internal name;
wenzelm
parents: 20607
diff changeset
   516
* Pure: 'print_theory' now suppresses entities with internal name
8b26f58c5646 * Pure: 'print_theory' now suppresses entities with internal name;
wenzelm
parents: 20607
diff changeset
   517
(trailing "_") by default; use '!' option for full details.
8b26f58c5646 * Pure: 'print_theory' now suppresses entities with internal name;
wenzelm
parents: 20607
diff changeset
   518
17865
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
   519
17806
b6a547bfb419 *** empty log message ***
nipkow
parents: 17780
diff changeset
   520
*** HOL ***
b6a547bfb419 *** empty log message ***
nipkow
parents: 17780
diff changeset
   521
22799
ed7d53db2170 moved code generation pretty integers and characters to separate theories
haftmann
parents: 22754
diff changeset
   522
* Library/Pretty_Int.thy: maps HOL numerals on target language integer literals
ed7d53db2170 moved code generation pretty integers and characters to separate theories
haftmann
parents: 22754
diff changeset
   523
    when generating code.
ed7d53db2170 moved code generation pretty integers and characters to separate theories
haftmann
parents: 22754
diff changeset
   524
ed7d53db2170 moved code generation pretty integers and characters to separate theories
haftmann
parents: 22754
diff changeset
   525
* Library/Pretty_Char.thy: maps HOL characters on target language character literals
ed7d53db2170 moved code generation pretty integers and characters to separate theories
haftmann
parents: 22754
diff changeset
   526
    when generating code.
ed7d53db2170 moved code generation pretty integers and characters to separate theories
haftmann
parents: 22754
diff changeset
   527
22735
cf627add250a code generator changes
haftmann
parents: 22450
diff changeset
   528
* Library/Commutative_Ring.thy: switched from recdef to function package;
cf627add250a code generator changes
haftmann
parents: 22450
diff changeset
   529
    constants add, mul, pow now curried.  Infix syntax for algebraic operations.
cf627add250a code generator changes
haftmann
parents: 22450
diff changeset
   530
22450
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   531
* Some steps towards more uniform lattice theory development in HOL.
22422
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   532
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   533
    constants "meet" and "join" now named "inf" and "sup"
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   534
    constant "Meet" now named "Inf"
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   535
22450
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   536
    classes "meet_semilorder" and "join_semilorder" now named
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   537
      "lower_semilattice" and "upper_semilattice"
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   538
    class "lorder" now named "lattice"
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   539
    class "comp_lat" now named "complete_lattice"
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   540
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   541
    Instantiation of lattice classes allows explicit definitions
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   542
    for "inf" and "sup" operations.
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   543
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   544
  INCOMPATIBILITY. Theorem renames:
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   545
22422
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   546
    meet_left_le            ~> inf_le1
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   547
    meet_right_le           ~> inf_le2
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   548
    join_left_le            ~> sup_ge1
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   549
    join_right_le           ~> sup_ge2
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   550
    meet_join_le            ~> inf_sup_ord
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   551
    le_meetI                ~> le_infI
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   552
    join_leI                ~> le_supI
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   553
    le_meet                 ~> le_inf_iff
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   554
    le_join                 ~> ge_sup_conv
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   555
    meet_idempotent         ~> inf_idem
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   556
    join_idempotent         ~> sup_idem
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   557
    meet_comm               ~> inf_commute
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   558
    join_comm               ~> sup_commute
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   559
    meet_leI1               ~> le_infI1
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   560
    meet_leI2               ~> le_infI2
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   561
    le_joinI1               ~> le_supI1
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   562
    le_joinI2               ~> le_supI2
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   563
    meet_assoc              ~> inf_assoc
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   564
    join_assoc              ~> sup_assoc
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   565
    meet_left_comm          ~> inf_left_commute
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   566
    meet_left_idempotent    ~> inf_left_idem
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   567
    join_left_comm          ~> sup_left_commute
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   568
    join_left_idempotent    ~> sup_left_idem
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   569
    meet_aci                ~> inf_aci
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   570
    join_aci                ~> sup_aci
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   571
    le_def_meet             ~> le_iff_inf
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   572
    le_def_join             ~> le_iff_sup
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   573
    join_absorp2            ~> sup_absorb2
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   574
    join_absorp1            ~> sup_absorb1
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   575
    meet_absorp1            ~> inf_absorb1
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   576
    meet_absorp2            ~> inf_absorb2
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   577
    meet_join_absorp        ~> inf_sup_absorb
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   578
    join_meet_absorp        ~> sup_inf_absorb
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   579
    distrib_join_le         ~> distrib_sup_le
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   580
    distrib_meet_le         ~> distrib_inf_le
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   581
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   582
    add_meet_distrib_left   ~> add_inf_distrib_left
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   583
    add_join_distrib_left   ~> add_sup_distrib_left
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   584
    is_join_neg_meet        ~> is_join_neg_inf
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   585
    is_meet_neg_join        ~> is_meet_neg_sup
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   586
    add_meet_distrib_right  ~> add_inf_distrib_right
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   587
    add_join_distrib_right  ~> add_sup_distrib_right
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   588
    add_meet_join_distribs  ~> add_sup_inf_distribs
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   589
    join_eq_neg_meet        ~> sup_eq_neg_inf
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   590
    meet_eq_neg_join        ~> inf_eq_neg_sup
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   591
    add_eq_meet_join        ~> add_eq_inf_sup
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   592
    meet_0_imp_0            ~> inf_0_imp_0
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   593
    join_0_imp_0            ~> sup_0_imp_0
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   594
    meet_0_eq_0             ~> inf_0_eq_0
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   595
    join_0_eq_0             ~> sup_0_eq_0
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   596
    neg_meet_eq_join        ~> neg_inf_eq_sup
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   597
    neg_join_eq_meet        ~> neg_sup_eq_inf
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   598
    join_eq_if              ~> sup_eq_if
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   599
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   600
    mono_meet               ~> mono_inf
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   601
    mono_join               ~> mono_sup
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   602
    meet_bool_eq            ~> inf_bool_eq
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   603
    join_bool_eq            ~> sup_bool_eq
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   604
    meet_fun_eq             ~> inf_fun_eq
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   605
    join_fun_eq             ~> sup_fun_eq
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   606
    meet_set_eq             ~> inf_set_eq
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   607
    join_set_eq             ~> sup_set_eq
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   608
    meet1_iff               ~> inf1_iff
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   609
    meet2_iff               ~> inf2_iff
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   610
    meet1I                  ~> inf1I
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   611
    meet2I                  ~> inf2I
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   612
    meet1D1                 ~> inf1D1
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   613
    meet2D1                 ~> inf2D1
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   614
    meet1D2                 ~> inf1D2
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   615
    meet2D2                 ~> inf2D2
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   616
    meet1E                  ~> inf1E
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   617
    meet2E                  ~> inf2E
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   618
    join1_iff               ~> sup1_iff
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   619
    join2_iff               ~> sup2_iff
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   620
    join1I1                 ~> sup1I1
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   621
    join2I1                 ~> sup2I1
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   622
    join1I1                 ~> sup1I1
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   623
    join2I2                 ~> sup1I2
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   624
    join1CI                 ~> sup1CI
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   625
    join2CI                 ~> sup2CI
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   626
    join1E                  ~> sup1E
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   627
    join2E                  ~> sup2E
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   628
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   629
    is_meet_Meet            ~> is_meet_Inf
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   630
    Meet_bool_def           ~> Inf_bool_def
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   631
    Meet_fun_def            ~> Inf_fun_def
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   632
    Meet_greatest           ~> Inf_greatest
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   633
    Meet_lower              ~> Inf_lower
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   634
    Meet_set_def            ~> Inf_set_def
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   635
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   636
    listsp_meetI            ~> listsp_infI
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   637
    listsp_meet_eq          ~> listsp_inf_eq
ee19cdb07528 stepping towards uniform lattice theory development in HOL
haftmann
parents: 22384
diff changeset
   638
22450
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   639
    meet_min                ~> inf_min
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   640
    join_max                ~> sup_max
51ee032f9591 lattice cleanup
haftmann
parents: 22422
diff changeset
   641
22384
33a46e6c7f04 prefix of class interpretation not mandatory any longer
haftmann
parents: 22376
diff changeset
   642
* Class (axclass + locale) "preorder" and "linear": facts "refl", "trans" and
33a46e6c7f04 prefix of class interpretation not mandatory any longer
haftmann
parents: 22376
diff changeset
   643
"cases" renamed ro "order_refl", "order_trans" and "linorder_cases", to
33a46e6c7f04 prefix of class interpretation not mandatory any longer
haftmann
parents: 22376
diff changeset
   644
avoid clashes with HOL "refl" and "trans". INCOMPATIBILITY.
33a46e6c7f04 prefix of class interpretation not mandatory any longer
haftmann
parents: 22376
diff changeset
   645
22316
f662831459de added class "preorder"
haftmann
parents: 22218
diff changeset
   646
* Addes class (axclass + locale) "preorder" as superclass of "order";
f662831459de added class "preorder"
haftmann
parents: 22218
diff changeset
   647
potential INCOMPATIBILITY: order of proof goals in order/linorder instance
f662831459de added class "preorder"
haftmann
parents: 22218
diff changeset
   648
proofs changed.
f662831459de added class "preorder"
haftmann
parents: 22218
diff changeset
   649
22218
30a8890d2967 dropped lemma duplicates in HOL.thy
haftmann
parents: 22152
diff changeset
   650
* Dropped lemma duplicate def_imp_eq in favor of meta_eq_to_obj_eq.
30a8890d2967 dropped lemma duplicates in HOL.thy
haftmann
parents: 22152
diff changeset
   651
INCOMPATIBILITY.
30a8890d2967 dropped lemma duplicates in HOL.thy
haftmann
parents: 22152
diff changeset
   652
30a8890d2967 dropped lemma duplicates in HOL.thy
haftmann
parents: 22152
diff changeset
   653
* Dropped lemma duplicate if_def2 in favor of if_bool_eq_conj.
30a8890d2967 dropped lemma duplicates in HOL.thy
haftmann
parents: 22152
diff changeset
   654
INCOMPATIBILITY.
30a8890d2967 dropped lemma duplicates in HOL.thy
haftmann
parents: 22152
diff changeset
   655
22126
wenzelm
parents: 22125
diff changeset
   656
* Added syntactic class "size"; overloaded constant "size" now has
wenzelm
parents: 22125
diff changeset
   657
type "'a::size ==> bool"
wenzelm
parents: 22125
diff changeset
   658
wenzelm
parents: 22125
diff changeset
   659
* Renamed constants "Divides.op div", "Divides.op mod" and "Divides.op
22316
f662831459de added class "preorder"
haftmann
parents: 22218
diff changeset
   660
dvd" to "Divides.div", "Divides.mod" and "Divides.dvd". INCOMPATIBILITY.
22126
wenzelm
parents: 22125
diff changeset
   661
wenzelm
parents: 22125
diff changeset
   662
* Added method "lexicographic_order" automatically synthesizes
wenzelm
parents: 22125
diff changeset
   663
termination relations as lexicographic combinations of size measures
wenzelm
parents: 22125
diff changeset
   664
-- 'function' package.
wenzelm
parents: 22125
diff changeset
   665
wenzelm
parents: 22125
diff changeset
   666
* HOL/records: generalised field-update to take a function on the
wenzelm
parents: 22125
diff changeset
   667
field rather than the new value: r(|A := x|) is translated to A_update
wenzelm
parents: 22125
diff changeset
   668
(K x) r The K-combinator that is internally used is called K_record.
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21215
diff changeset
   669
INCOMPATIBILITY: Usage of the plain update functions has to be
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21215
diff changeset
   670
adapted.
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21215
diff changeset
   671
 
22126
wenzelm
parents: 22125
diff changeset
   672
* axclass "semiring_0" now contains annihilation axioms x * 0 = 0 and
wenzelm
parents: 22125
diff changeset
   673
0 * x = 0, which are required for a semiring.  Richer structures do
wenzelm
parents: 22125
diff changeset
   674
not inherit from semiring_0 anymore, because this property is a
wenzelm
parents: 22125
diff changeset
   675
theorem there, not an axiom.  INCOMPATIBILITY: In instances of
wenzelm
parents: 22125
diff changeset
   676
semiring_0, there is more to prove, but this is mostly trivial.
wenzelm
parents: 22125
diff changeset
   677
wenzelm
parents: 22125
diff changeset
   678
* axclass "recpower" was generalized to arbitrary monoids, not just
wenzelm
parents: 22125
diff changeset
   679
commutative semirings.  INCOMPATIBILITY: If you use recpower and need
wenzelm
parents: 22125
diff changeset
   680
commutativity or a semiring property, add the corresponding classes.
wenzelm
parents: 22125
diff changeset
   681
wenzelm
parents: 22125
diff changeset
   682
* Unified locale partial_order with class definition (cf. theory
wenzelm
parents: 22125
diff changeset
   683
Orderings), added parameter ``less''.  INCOMPATIBILITY.
21215
7c9337a0e30a made locale partial_order compatible with axclass order
haftmann
parents: 21209
diff changeset
   684
21099
6a0cdb6f72d3 (added entry)
haftmann
parents: 21056
diff changeset
   685
* Constant "List.list_all2" in List.thy now uses authentic syntax.
22126
wenzelm
parents: 22125
diff changeset
   686
INCOMPATIBILITY: translations containing list_all2 may go wrong.  On
wenzelm
parents: 22125
diff changeset
   687
Isar level, use abbreviations instead.
wenzelm
parents: 22125
diff changeset
   688
wenzelm
parents: 22125
diff changeset
   689
* Renamed constant "List.op mem" to "List.memberl" INCOMPATIBILITY:
wenzelm
parents: 22125
diff changeset
   690
rarely occuring name references (e.g. ``List.op mem.simps'') require
wenzelm
parents: 22125
diff changeset
   691
renaming (e.g. ``List.memberl.simps'').
wenzelm
parents: 22125
diff changeset
   692
wenzelm
parents: 22125
diff changeset
   693
* Renamed constants "0" to "HOL.zero" and "1" to "HOL.one".
wenzelm
parents: 22125
diff changeset
   694
INCOMPATIBILITY.
wenzelm
parents: 22125
diff changeset
   695
wenzelm
parents: 22125
diff changeset
   696
* Added theory Code_Generator providing class 'eq', allowing for code
wenzelm
parents: 22125
diff changeset
   697
generation with polymorphic equality.
wenzelm
parents: 22125
diff changeset
   698
wenzelm
parents: 22125
diff changeset
   699
* Numeral syntax: type 'bin' which was a mere type copy of 'int' has
wenzelm
parents: 22125
diff changeset
   700
been abandoned in favour of plain 'int'. INCOMPATIBILITY --
wenzelm
parents: 22125
diff changeset
   701
significant changes for setting up numeral syntax for types:
20485
3078fd2eec7b got rid of Numeral.bin type
haftmann
parents: 20453
diff changeset
   702
3078fd2eec7b got rid of Numeral.bin type
haftmann
parents: 20453
diff changeset
   703
  - new constants Numeral.pred and Numeral.succ instead
3078fd2eec7b got rid of Numeral.bin type
haftmann
parents: 20453
diff changeset
   704
      of former Numeral.bin_pred and Numeral.bin_succ.
3078fd2eec7b got rid of Numeral.bin type
haftmann
parents: 20453
diff changeset
   705
  - Use integer operations instead of bin_add, bin_mult and so on.
3078fd2eec7b got rid of Numeral.bin type
haftmann
parents: 20453
diff changeset
   706
  - Numeral simplification theorems named Numeral.numeral_simps instead of Bin_simps.
3078fd2eec7b got rid of Numeral.bin type
haftmann
parents: 20453
diff changeset
   707
  - ML structure Bin_Simprocs now named Int_Numeral_Base_Simprocs.
3078fd2eec7b got rid of Numeral.bin type
haftmann
parents: 20453
diff changeset
   708
3078fd2eec7b got rid of Numeral.bin type
haftmann
parents: 20453
diff changeset
   709
See HOL/Integ/IntArith.thy for an example setup.
3078fd2eec7b got rid of Numeral.bin type
haftmann
parents: 20453
diff changeset
   710
22126
wenzelm
parents: 22125
diff changeset
   711
* New top level command 'normal_form' computes the normal form of a
wenzelm
parents: 22125
diff changeset
   712
term that may contain free variables. For example ``normal_form
wenzelm
parents: 22125
diff changeset
   713
"rev[a,b,c]"'' produces ``[b,c,a]'' (without proof).  This command is
wenzelm
parents: 22125
diff changeset
   714
suitable for heavy-duty computations because the functions are
wenzelm
parents: 22125
diff changeset
   715
compiled to ML first.
19895
cab56c949350 *** empty log message ***
nipkow
parents: 19855
diff changeset
   716
17996
71f250e05e05 * HOL: alternative iff syntax;
wenzelm
parents: 17991
diff changeset
   717
* Alternative iff syntax "A <-> B" for equality on bool (with priority
71f250e05e05 * HOL: alternative iff syntax;
wenzelm
parents: 17991
diff changeset
   718
25 like -->); output depends on the "iff" print_mode, the default is
71f250e05e05 * HOL: alternative iff syntax;
wenzelm
parents: 17991
diff changeset
   719
"A = B" (with priority 50).
71f250e05e05 * HOL: alternative iff syntax;
wenzelm
parents: 17991
diff changeset
   720
19279
48b527d0331b Renamed setsum_mult to setsum_right_distrib.
ballarin
parents: 19277
diff changeset
   721
* Renamed 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
   722
    op +   ~> HOL.plus
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   723
    op -   ~> HOL.minus
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   724
    uminus ~> HOL.uminus
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   725
    op *   ~> HOL.times
19277
f7602e74d948 renamed op < <= to Orderings.less(_eq)
haftmann
parents: 19263
diff changeset
   726
    op <   ~> Orderings.less
f7602e74d948 renamed op < <= to Orderings.less(_eq)
haftmann
parents: 19263
diff changeset
   727
    op <=  ~> Orderings.less_eq
19233
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   728
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   729
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
   730
19377
1f717bd6b7ea *** empty log message ***
nipkow
parents: 19363
diff changeset
   731
a) User-defined constants using any of the names "plus", "minus", "times",
1f717bd6b7ea *** empty log message ***
nipkow
parents: 19363
diff changeset
   732
"less" or "less_eq". The standard syntax translations for "+", "-" and "*"
1f717bd6b7ea *** empty log message ***
nipkow
parents: 19363
diff changeset
   733
may go wrong.
19233
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   734
INCOMPATIBILITY: use more specific names.
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   735
19277
f7602e74d948 renamed op < <= to Orderings.less(_eq)
haftmann
parents: 19263
diff changeset
   736
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
   737
INCOMPATIBILITY: use more specific names.
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   738
19377
1f717bd6b7ea *** empty log message ***
nipkow
parents: 19363
diff changeset
   739
c) Permutative equations (e.g. "a + b = b + a")
1f717bd6b7ea *** empty log message ***
nipkow
parents: 19363
diff changeset
   740
Since the change of names also changes the order of terms, permutative
1f717bd6b7ea *** empty log message ***
nipkow
parents: 19363
diff changeset
   741
rewrite rules may get applied in a different order. Experience shows that
1f717bd6b7ea *** empty log message ***
nipkow
parents: 19363
diff changeset
   742
this is rarely the case (only two adaptions in the whole Isabelle
1f717bd6b7ea *** empty log message ***
nipkow
parents: 19363
diff changeset
   743
distribution).
1f717bd6b7ea *** empty log message ***
nipkow
parents: 19363
diff changeset
   744
INCOMPATIBILITY: rewrite proofs
19233
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   745
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   746
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
   747
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
   748
INCOMPATIBILITY: grep your sourcecode and replace names.
77ca20b0ed77 renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
haftmann
parents: 19226
diff changeset
   749
21265
b8db43faaf9e HOL: less/less_eq on bool, modified syntax;
wenzelm
parents: 21256
diff changeset
   750
* Relations less (<) and less_eq (<=) are also available on type bool.
b8db43faaf9e HOL: less/less_eq on bool, modified syntax;
wenzelm
parents: 21256
diff changeset
   751
Modified syntax to disallow nesting without explicit parentheses,
b8db43faaf9e HOL: less/less_eq on bool, modified syntax;
wenzelm
parents: 21256
diff changeset
   752
e.g. "(x < y) < z" or "x < (y < z)", but NOT "x < y < z".
b8db43faaf9e HOL: less/less_eq on bool, modified syntax;
wenzelm
parents: 21256
diff changeset
   753
18674
98d380757893 *** empty log message ***
nipkow
parents: 18644
diff changeset
   754
* "LEAST x:A. P" expands to "LEAST x. x:A & P" (input only).
98d380757893 *** empty log message ***
nipkow
parents: 18644
diff changeset
   755
20716
a6686a8e1b68 Changed precedence of "op O" (relation composition) from 60 to 75.
krauss
parents: 20712
diff changeset
   756
* Relation composition operator "op O" now has precedence 75 and binds
a6686a8e1b68 Changed precedence of "op O" (relation composition) from 60 to 75.
krauss
parents: 20712
diff changeset
   757
stronger than union and intersection. INCOMPATIBILITY.
a6686a8e1b68 Changed precedence of "op O" (relation composition) from 60 to 75.
krauss
parents: 20712
diff changeset
   758
22126
wenzelm
parents: 22125
diff changeset
   759
* The old set interval syntax "{m..n(}" (and relatives) has been
wenzelm
parents: 22125
diff changeset
   760
removed.  Use "{m..<n}" (and relatives) instead.
19377
1f717bd6b7ea *** empty log message ***
nipkow
parents: 19363
diff changeset
   761
17865
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
   762
* In the context of the assumption "~(s = t)" the Simplifier rewrites
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
   763
"t = s" to False (by simproc "neq_simproc").  For backward
5b0c3dcfbad2 * antiquotations ML_type, ML_struct;
wenzelm
parents: 17809
diff changeset
   764
compatibility this can be disabled by ML "reset use_neq_simproc".
17779
407bea05c2da added dummy variable binding;
wenzelm
parents: 17754
diff changeset
   765
22126
wenzelm
parents: 22125
diff changeset
   766
* "m dvd n" where m and n are numbers is evaluated to True/False by
wenzelm
parents: 22125
diff changeset
   767
simp.
wenzelm
parents: 22125
diff changeset
   768
wenzelm
parents: 22125
diff changeset
   769
* Theorem Cons_eq_map_conv no longer declared as ``simp''.
19211
307dfa3f9e66 *** empty log message ***
nipkow
parents: 19088
diff changeset
   770
19279
48b527d0331b Renamed setsum_mult to setsum_right_distrib.
ballarin
parents: 19277
diff changeset
   771
* Theorem setsum_mult renamed to setsum_right_distrib.
48b527d0331b Renamed setsum_mult to setsum_right_distrib.
ballarin
parents: 19277
diff changeset
   772
19211
307dfa3f9e66 *** empty log message ***
nipkow
parents: 19088
diff changeset
   773
* Prefer ex1I over ex_ex1I in single-step reasoning, e.g. by the
22126
wenzelm
parents: 22125
diff changeset
   774
``rule'' method.
wenzelm
parents: 22125
diff changeset
   775
wenzelm
parents: 22125
diff changeset
   776
* Reimplemented methods ``sat'' and ``satx'', with several
wenzelm
parents: 22125
diff changeset
   777
improvements: goals no longer need to be stated as "<prems> ==>
wenzelm
parents: 22125
diff changeset
   778
False", equivalences (i.e. "=" on type bool) are handled, variable
wenzelm
parents: 22125
diff changeset
   779
names of the form "lit_<n>" are no longer reserved, significant
wenzelm
parents: 22125
diff changeset
   780
speedup.
wenzelm
parents: 22125
diff changeset
   781
wenzelm
parents: 22125
diff changeset
   782
* Methods ``sat'' and ``satx'' can now replay MiniSat proof traces.
wenzelm
parents: 22125
diff changeset
   783
zChaff is still supported as well.
wenzelm
parents: 22125
diff changeset
   784
wenzelm
parents: 22125
diff changeset
   785
* 'inductive' and 'datatype': provide projections of mutual rules,
wenzelm
parents: 22125
diff changeset
   786
bundled as foo_bar.inducts;
wenzelm
parents: 22125
diff changeset
   787
wenzelm
parents: 22125
diff changeset
   788
* Library: moved theories Parity, GCD, Binomial, Infinite_Set to
wenzelm
parents: 22125
diff changeset
   789
Library.
21256
47195501ecf7 moved theories Parity, GCD, Binomial to Library;
wenzelm
parents: 21241
diff changeset
   790
47195501ecf7 moved theories Parity, GCD, Binomial to Library;
wenzelm
parents: 21241
diff changeset
   791
* Library: moved theory Accessible_Part to main HOL.
19572
a4b3176f19dd * Library: theory Accessible_Part has been move to main HOL.
wenzelm
parents: 19508
diff changeset
   792
18446
wenzelm
parents: 18422
diff changeset
   793
* Library: added theory Coinductive_List of potentially infinite lists
wenzelm
parents: 18422
diff changeset
   794
as greatest fixed-point.
18399
651438736fa1 Provers/induct: coinduct;
wenzelm
parents: 18370
diff changeset
   795
19254
efaf5d47049e Pure: no_translations;
wenzelm
parents: 19252
diff changeset
   796
* Library: added theory AssocList which implements (finite) maps as
19252
1f7c69a5faac entry for Library/AssocList
schirmer
parents: 19240
diff changeset
   797
association lists.
17809
195045659c06 Tactics sat and satx reimplemented, several improvements
webertj
parents: 17806
diff changeset
   798
22126
wenzelm
parents: 22125
diff changeset
   799
* Added proof method ``evaluation'' for efficiently solving a goal
wenzelm
parents: 22125
diff changeset
   800
(i.e. a boolean expression) by compiling it to ML. The goal is
wenzelm
parents: 22125
diff changeset
   801
"proved" (via an oracle) if it evaluates to True.
20807
wenzelm
parents: 20716
diff changeset
   802
wenzelm
parents: 20716
diff changeset
   803
* Linear arithmetic now splits certain operators (e.g. min, max, abs)
wenzelm
parents: 20716
diff changeset
   804
also when invoked by the simplifier.  This results in the simplifier
21056
2cfe839e8d58 Symtab.foldl replaced by Symtab.fold
haftmann
parents: 21041
diff changeset
   805
being more powerful on arithmetic goals.  INCOMPATIBILITY.  Set
20807
wenzelm
parents: 20716
diff changeset
   806
fast_arith_split_limit to 0 to obtain the old behavior.
20217
25b068a99d2b linear arithmetic splits certain operators (e.g. min, max, abs)
webertj
parents: 20188
diff changeset
   807
22126
wenzelm
parents: 22125
diff changeset
   808
* Support for hex (0x20) and binary (0b1001) numerals.
19254
efaf5d47049e Pure: no_translations;
wenzelm
parents: 19252
diff changeset
   809
20807
wenzelm
parents: 20716
diff changeset
   810
* New method: reify eqs (t), where eqs are equations for an
wenzelm
parents: 20716
diff changeset
   811
interpretation I :: 'a list => 'b => 'c and t::'c is an optional
wenzelm
parents: 20716
diff changeset
   812
parameter, computes a term s::'b and a list xs::'a list and proves the
wenzelm
parents: 20716
diff changeset
   813
theorem I xs s = t. This is also known as reification or quoting. The
wenzelm
parents: 20716
diff changeset
   814
resulting theorem is applied to the subgoal to substitute t with I xs
wenzelm
parents: 20716
diff changeset
   815
s.  If t is omitted, the subgoal itself is reified.
wenzelm
parents: 20716
diff changeset
   816
wenzelm
parents: 20716
diff changeset
   817
* New method: reflection corr_thm eqs (t). The parameters eqs and (t)
wenzelm
parents: 20716
diff changeset
   818
are as explained above. corr_thm is a theorem for I vs (f t) = I vs t,
wenzelm
parents: 20716
diff changeset
   819
where f is supposed to be a computable function (in the sense of code
wenzelm
parents: 20716
diff changeset
   820
generattion). The method uses reify to compute s and xs as above then
wenzelm
parents: 20716
diff changeset
   821
applies corr_thm and uses normalization by evaluation to "prove" f s =
wenzelm
parents: 20716
diff changeset
   822
r and finally gets the theorem t = r, which is again applied to the
wenzelm
parents: 20716
diff changeset
   823
subgoal. An Example is available in HOL/ex/ReflectionEx.thy.
wenzelm
parents: 20716
diff changeset
   824
wenzelm
parents: 20716
diff changeset
   825
* Reflection: Automatic refification now handels binding, an example
wenzelm
parents: 20716
diff changeset
   826
is available in HOL/ex/ReflectionEx.thy
wenzelm
parents: 20716
diff changeset
   827
wenzelm
parents: 20716
diff changeset
   828
20169
52173f7687fd Change to algebra method.
ballarin
parents: 20136
diff changeset
   829
*** HOL-Algebra ***
52173f7687fd Change to algebra method.
ballarin
parents: 20136
diff changeset
   830
21170
wenzelm
parents: 21125
diff changeset
   831
* Formalisation of ideals and the quotient construction over rings.
wenzelm
parents: 21125
diff changeset
   832
wenzelm
parents: 21125
diff changeset
   833
* Order and lattice theory no longer based on records.
wenzelm
parents: 21125
diff changeset
   834
INCOMPATIBILITY.
wenzelm
parents: 21125
diff changeset
   835
22126
wenzelm
parents: 22125
diff changeset
   836
* Renamed lemmas least_carrier -> least_closed and greatest_carrier ->
wenzelm
parents: 22125
diff changeset
   837
greatest_closed.  INCOMPATIBILITY.
21896
9a7949815a84 Experimenting with interpretations of "definition".
ballarin
parents: 21879
diff changeset
   838
21170
wenzelm
parents: 21125
diff changeset
   839
* Method algebra is now set up via an attribute.  For examples see
21896
9a7949815a84 Experimenting with interpretations of "definition".
ballarin
parents: 21879
diff changeset
   840
Ring.thy.  INCOMPATIBILITY: the method is now weaker on combinations
21170
wenzelm
parents: 21125
diff changeset
   841
of algebraic structures.
20318
0e0ea63fe768 Restructured algebra library, added ideals and quotient rings.
ballarin
parents: 20217
diff changeset
   842
22126
wenzelm
parents: 22125
diff changeset
   843
* Renamed theory CRing to Ring.
20169
52173f7687fd Change to algebra method.
ballarin
parents: 20136
diff changeset
   844
20807
wenzelm
parents: 20716
diff changeset
   845
19653
39c37e16f748 * Pure/library: divide_and_conquer;
wenzelm
parents: 19625
diff changeset
   846
*** HOL-Complex ***
39c37e16f748 * Pure/library: divide_and_conquer;
wenzelm
parents: 19625
diff changeset
   847
39c37e16f748 * Pure/library: divide_and_conquer;
wenzelm
parents: 19625
diff changeset
   848
* Theory Real: new method ferrack implements quantifier elimination
39c37e16f748 * Pure/library: divide_and_conquer;
wenzelm
parents: 19625
diff changeset
   849
for linear arithmetic over the reals. The quantifier elimination
39c37e16f748 * Pure/library: divide_and_conquer;
wenzelm
parents: 19625
diff changeset
   850
feature is used only for decision, for compatibility with arith. This
39c37e16f748 * Pure/library: divide_and_conquer;
wenzelm
parents: 19625
diff changeset
   851
means a goal is either solved or left unchanged, no simplification.
39c37e16f748 * Pure/library: divide_and_conquer;
wenzelm
parents: 19625
diff changeset
   852
21791
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   853
* Real: New axiomatic classes formalize real normed vector spaces and
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   854
algebras, using new overloaded constants scaleR :: real => 'a => 'a
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   855
and norm :: 'a => real.
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   856
22126
wenzelm
parents: 22125
diff changeset
   857
* Real: New constant of_real :: real => 'a::real_algebra_1 injects
wenzelm
parents: 22125
diff changeset
   858
from reals into other types. The overloaded constant Reals :: 'a set
wenzelm
parents: 22125
diff changeset
   859
is now defined as range of_real; potential INCOMPATIBILITY.
wenzelm
parents: 22125
diff changeset
   860
wenzelm
parents: 22125
diff changeset
   861
* Hyperreal: Several constants that previously worked only for the
wenzelm
parents: 22125
diff changeset
   862
reals have been generalized, so they now work over arbitrary vector
wenzelm
parents: 22125
diff changeset
   863
spaces. Type annotations may need to be added in some cases; potential
wenzelm
parents: 22125
diff changeset
   864
INCOMPATIBILITY.
21791
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   865
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   866
  Infinitesimal  :: ('a::real_normed_vector) star set"
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   867
  HFinite        :: ('a::real_normed_vector) star set"
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   868
  HInfinite      :: ('a::real_normed_vector) star set"
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   869
  approx         :: ('a::real_normed_vector) star => 'a star => bool
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   870
  monad          :: ('a::real_normed_vector) star => 'a star set
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   871
  galaxy         :: ('a::real_normed_vector) star => 'a star set
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   872
  (NS)LIMSEQ     :: [nat, 'a::real_normed_vector, 'a] => bool
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   873
  (NS)convergent :: (nat => 'a::real_normed_vector) => bool
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   874
  (NS)Bseq       :: (nat => 'a::real_normed_vector) => bool
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   875
  (NS)Cauchy     :: (nat => 'a::real_normed_vector) => bool
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   876
  (NS)LIM        :: ['a::real_normed_vector => 'b::real_normed_vector, 'a, 'b] => bool
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   877
  is(NS)Cont     :: ['a::real_normed_vector => 'b::real_normed_vector, 'a] => bool
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   878
  deriv          :: ['a::real_normed_field => 'a, 'a, 'a] => bool
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   879
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   880
* Complex: Some complex-specific constants are now abbreviations for
22126
wenzelm
parents: 22125
diff changeset
   881
overloaded ones: complex_of_real = of_real, cmod = norm, hcmod =
wenzelm
parents: 22125
diff changeset
   882
hnorm.  Other constants have been entirely removed in favor of the
wenzelm
parents: 22125
diff changeset
   883
polymorphic versions (INCOMPATIBILITY):
21791
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   884
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   885
  approx        <-- capprox
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   886
  HFinite       <-- CFinite
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   887
  HInfinite     <-- CInfinite
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   888
  Infinitesimal <-- CInfinitesimal
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   889
  monad         <-- cmonad
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   890
  galaxy        <-- cgalaxy
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   891
  (NS)LIM       <-- (NS)CLIM, (NS)CRLIM
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   892
  is(NS)Cont    <-- is(NS)Contc, is(NS)contCR
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   893
  (ns)deriv     <-- (ns)cderiv
367477e8458b additions to HOL-Complex
huffman
parents: 21735
diff changeset
   894
19653
39c37e16f748 * Pure/library: divide_and_conquer;
wenzelm
parents: 19625
diff changeset
   895
17878
wenzelm
parents: 17869
diff changeset
   896
*** ML ***
wenzelm
parents: 17869
diff changeset
   897
22138
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   898
* ML within Isar: antiquotations allow to embed statically-checked
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   899
formal entities in the source, referring to the context available at
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   900
compile-time.  For example:
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   901
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   902
ML {* @{typ "'a => 'b"} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   903
ML {* @{term "%x. x"} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   904
ML {* @{prop "x == y"} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   905
ML {* @{ctyp "'a => 'b"} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   906
ML {* @{cterm "%x. x"} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   907
ML {* @{cprop "x == y"} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   908
ML {* @{thm asm_rl} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   909
ML {* @{thms asm_rl} *}
22376
b711c2ad7507 added @{const_name}, @{const_syntax};
wenzelm
parents: 22316
diff changeset
   910
ML {* @{const_name c} *}
b711c2ad7507 added @{const_name}, @{const_syntax};
wenzelm
parents: 22316
diff changeset
   911
ML {* @{const_syntax c} *}
22138
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   912
ML {* @{context} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   913
ML {* @{theory} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   914
ML {* @{theory Pure} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   915
ML {* @{simpset} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   916
ML {* @{claset} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   917
ML {* @{clasimpset} *}
b9cbcd8be40f * ML within Isar: antiquotations;
wenzelm
parents: 22126
diff changeset
   918
22151
wenzelm
parents: 22138
diff changeset
   919
The same works for sources being ``used'' within an Isar context.
wenzelm
parents: 22138
diff changeset
   920
22152
df787d582323 * ML in Isar: improved error reporting;
wenzelm
parents: 22151
diff changeset
   921
* ML in Isar: improved error reporting; extra verbosity with
df787d582323 * ML in Isar: improved error reporting;
wenzelm
parents: 22151
diff changeset
   922
Toplevel.debug enabled.
df787d582323 * ML in Isar: improved error reporting;
wenzelm
parents: 22151
diff changeset
   923
20348
d59364649bcc abandoned equal_list in favor for eq_list
haftmann
parents: 20327
diff changeset
   924
* Pure/library:
d59364649bcc abandoned equal_list in favor for eq_list
haftmann
parents: 20327
diff changeset
   925
18450
e57731ba01dd discontinued unflat in favour of burrow and burrow_split
haftmann
parents: 18446
diff changeset
   926
  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
   927
  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
   928
18540
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   929
The semantics of "burrow" is: "take a function with *simulatanously*
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   930
transforms a list of value, and apply it *simulatanously* to a list of
22126
wenzelm
parents: 22125
diff changeset
   931
list of values of the appropriate type". Compare this with "map" which
18540
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
   932
would *not* apply its argument function simulatanously but in
22126
wenzelm
parents: 22125
diff changeset
   933
sequence; "fold_burrow" has an additional context.
18450
e57731ba01dd discontinued unflat in favour of burrow and burrow_split
haftmann
parents: 18446
diff changeset
   934
18446
wenzelm
parents: 18422
diff changeset
   935
* Pure/library: functions map2 and fold2 with curried syntax for
wenzelm
parents: 18422
diff changeset
   936
simultanous mapping and folding:
wenzelm
parents: 18422
diff changeset
   937
18422
875451c9d253 re-arranged tuples (theory * 'a) to ('a * theory) in Pure
haftmann
parents: 18399
diff changeset
   938
    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
   939
    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
   940
18446
wenzelm
parents: 18422
diff changeset
   941
* Pure/library: indexed lists - some functions in the Isabelle library
wenzelm
parents: 18422
diff changeset
   942
treating lists over 'a as finite mappings from [0...n] to 'a have been
wenzelm
parents: 18422
diff changeset
   943
given more convenient names and signatures reminiscent of similar
wenzelm
parents: 18422
diff changeset
   944
functions for alists, tables, etc:
18051
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   945
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   946
  val nth: 'a list -> int -> 'a 
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   947
  val nth_map: int -> ('a -> 'a) -> 'a list -> 'a list
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   948
  val fold_index: (int * 'a -> 'b -> 'b) -> 'a list -> 'b -> 'b
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   949
18446
wenzelm
parents: 18422
diff changeset
   950
Note that fold_index starts counting at index 0, not 1 like foldln
wenzelm
parents: 18422
diff changeset
   951
used to.
wenzelm
parents: 18422
diff changeset
   952
22126
wenzelm
parents: 22125
diff changeset
   953
* Pure/library: added general ``divide_and_conquer'' combinator on
wenzelm
parents: 22125
diff changeset
   954
lists.
19032
wenzelm
parents: 19006
diff changeset
   955
wenzelm
parents: 19006
diff changeset
   956
* 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
   957
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
   958
admits slightly more efficient complex applications.
18446
wenzelm
parents: 18422
diff changeset
   959
18642
6954633b6a76 * ML: generic context, data, attributes;
wenzelm
parents: 18601
diff changeset
   960
* Pure: datatype Context.generic joins theory/Proof.context and
18644
wenzelm
parents: 18642
diff changeset
   961
provides some facilities for code that works in either kind of
18642
6954633b6a76 * ML: generic context, data, attributes;
wenzelm
parents: 18601
diff changeset
   962
context, notably GenericDataFun for uniform theory and proof data.
6954633b6a76 * ML: generic context, data, attributes;
wenzelm
parents: 18601
diff changeset
   963
18862
bd83590be0f7 * Pure: 'advanced' translation functions use Context.generic instead of just theory;
wenzelm
parents: 18815
diff changeset
   964
* 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
   965
use Context.generic instead of just theory.
bd83590be0f7 * Pure: 'advanced' translation functions use Context.generic instead of just theory;
wenzelm
parents: 18815
diff changeset
   966
18737
78d6ae887f6e * ML: simplified type attribute;
wenzelm
parents: 18722
diff changeset
   967
* Pure: simplified internal attribute type, which is now always
78d6ae887f6e * ML: simplified type attribute;
wenzelm
parents: 18722
diff changeset
   968
Context.generic * thm -> Context.generic * thm.  Global (theory)
78d6ae887f6e * ML: simplified type attribute;
wenzelm
parents: 18722
diff changeset
   969
vs. local (Proof.context) attributes have been discontinued, while
18738
wenzelm
parents: 18737
diff changeset
   970
minimizing code duplication.  Thm.rule_attribute and
wenzelm
parents: 18737
diff changeset
   971
Thm.declaration_attribute build canonical attributes; see also
19006
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   972
structure Context for further operations on Context.generic, notably
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   973
GenericDataFun.  INCOMPATIBILITY, need to adapt attribute type
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   974
declarations and definitions.
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   975
19508
d5236f5b0a71 * Pure: axclasses now purely definitional;
wenzelm
parents: 19377
diff changeset
   976
* Pure/kernel: consts certification ignores sort constraints given in
d5236f5b0a71 * Pure: axclasses now purely definitional;
wenzelm
parents: 19377
diff changeset
   977
signature declarations.  (This information is not relevant to the
22126
wenzelm
parents: 22125
diff changeset
   978
logic, but only for type inference.)  IMPORTANT INTERNAL CHANGE,
wenzelm
parents: 22125
diff changeset
   979
potential INCOMPATIBILITY.
19508
d5236f5b0a71 * Pure: axclasses now purely definitional;
wenzelm
parents: 19377
diff changeset
   980
d5236f5b0a71 * Pure: axclasses now purely definitional;
wenzelm
parents: 19377
diff changeset
   981
* Pure: axiomatic type classes are now purely definitional, with
d5236f5b0a71 * Pure: axclasses now purely definitional;
wenzelm
parents: 19377
diff changeset
   982
explicit proofs of class axioms and super class relations performed
d5236f5b0a71 * Pure: axclasses now purely definitional;
wenzelm
parents: 19377
diff changeset
   983
internally.  See Pure/axclass.ML for the main internal interfaces --
d5236f5b0a71 * Pure: axclasses now purely definitional;
wenzelm
parents: 19377
diff changeset
   984
notably AxClass.define_class supercedes AxClass.add_axclass, and
d5236f5b0a71 * Pure: axclasses now purely definitional;
wenzelm
parents: 19377
diff changeset
   985
AxClass.axiomatize_class/classrel/arity supercede
d5236f5b0a71 * Pure: axclasses now purely definitional;
wenzelm
parents: 19377
diff changeset
   986
Sign.add_classes/classrel/arities.
d5236f5b0a71 * Pure: axclasses now purely definitional;
wenzelm
parents: 19377
diff changeset
   987
19006
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   988
* Pure/Isar: Args/Attrib parsers operate on Context.generic --
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   989
global/local versions on theory vs. Proof.context have been
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   990
discontinued; Attrib.syntax and Method.syntax have been adapted
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   991
accordingly.  INCOMPATIBILITY, need to adapt parser expressions for
2427684c201c * ML/Pure: generic Args/Attrib syntax everywhere;
wenzelm
parents: 18979
diff changeset
   992
attributes, methods, etc.
18642
6954633b6a76 * ML: generic context, data, attributes;
wenzelm
parents: 18601
diff changeset
   993
18446
wenzelm
parents: 18422
diff changeset
   994
* Pure: several functions of signature "... -> theory -> theory * ..."
wenzelm
parents: 18422
diff changeset
   995
have been reoriented to "... -> theory -> ... * theory" in order to
wenzelm
parents: 18422
diff changeset
   996
allow natural usage in combination with the ||>, ||>>, |-> and
wenzelm
parents: 18422
diff changeset
   997
fold_map combinators.
18051
dba086ed50cb nth_*, fold_index refined
haftmann
parents: 18044
diff changeset
   998
21647
fccafa917a68 * Pure: official theorem names and additional comments are now strictly separate.
wenzelm
parents: 21595
diff changeset
   999
* Pure: official theorem names (closed derivations) and additional
fccafa917a68 * Pure: official theorem names and additional comments are now strictly separate.
wenzelm
parents: 21595
diff changeset
  1000
comments (tags) are now strictly separate.  Name hints -- which are
fccafa917a68 * Pure: official theorem names and additional comments are now strictly separate.
wenzelm
parents: 21595
diff changeset
  1001
maintained as tags -- may be attached any time without affecting the
fccafa917a68 * Pure: official theorem names and additional comments are now strictly separate.
wenzelm
parents: 21595
diff changeset
  1002
derivation.
fccafa917a68 * Pure: official theorem names and additional comments are now strictly separate.
wenzelm
parents: 21595
diff changeset
  1003
18020
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1004
* 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
  1005
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
  1006
achieve the old behaviour.
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1007
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1008
* Pure: the "Goal" constant is now called "prop", supporting a
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1009
slightly more general idea of ``protecting'' meta-level rule
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1010
statements.
d23a846598d2 * Pure/Isar: literal facts;
wenzelm
parents: 17996
diff changeset
  1011
20040
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1012
* Pure: Logic.(un)varify only works in a global context, which is now
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1013
enforced instead of silently assumed.  INCOMPATIBILITY, may use
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1014
Logic.legacy_(un)varify as temporary workaround.
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1015
20090
5cf221f2a55d * Pure: structure Name;
wenzelm
parents: 20067
diff changeset
  1016
* Pure: structure Name provides scalable operations for generating
5cf221f2a55d * Pure: structure Name;
wenzelm
parents: 20067
diff changeset
  1017
internal variable names, notably Name.variants etc.  This replaces
5cf221f2a55d * Pure: structure Name;
wenzelm
parents: 20067
diff changeset
  1018
some popular functions from term.ML:
5cf221f2a55d * Pure: structure Name;
wenzelm
parents: 20067
diff changeset
  1019
5cf221f2a55d * Pure: structure Name;
wenzelm
parents: 20067
diff changeset
  1020
  Term.variant		->  Name.variant
5cf221f2a55d * Pure: structure Name;
wenzelm
parents: 20067
diff changeset
  1021
  Term.variantlist	->  Name.variant_list  (*canonical argument order*)
5cf221f2a55d * Pure: structure Name;
wenzelm
parents: 20067
diff changeset
  1022
  Term.invent_names	->  Name.invent_list
5cf221f2a55d * Pure: structure Name;
wenzelm
parents: 20067
diff changeset
  1023
5cf221f2a55d * Pure: structure Name;
wenzelm
parents: 20067
diff changeset
  1024
Note that low-level renaming rarely occurs in new code -- operations
5cf221f2a55d * Pure: structure Name;
wenzelm
parents: 20067
diff changeset
  1025
from structure Variable are used instead (see below).
5cf221f2a55d * Pure: structure Name;
wenzelm
parents: 20067
diff changeset
  1026
20040
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1027
* Pure: structure Variable provides fundamental operations for proper
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1028
treatment of fixed/schematic variables in a context.  For example,
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1029
Variable.import introduces fixes for schematics of given facts and
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1030
Variable.export reverses the effect (up to renaming) -- this replaces
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1031
various freeze_thaw operations.
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1032
18567
ecdd71518f33 * Pure/Isar: Toplevel.theory_theory_to_proof;
wenzelm
parents: 18557
diff changeset
  1033
* 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
  1034
init/conclude/finish and tactical prove operations (replacing former
20040
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1035
Tactic.prove).  Goal.prove is the canonical way to prove results
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1036
within a given context; Goal.prove_global is a degraded version for
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1037
theory level goals, including a global Drule.standard.  Note that
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1038
OldGoals.prove_goalw_cterm has long been obsolete, since it is
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1039
ill-behaved in a local proof context (e.g. with local fixes/assumes or
02c59ec2f2e1 * Pure: structure Variable provides operations for proper treatment of fixed/schematic variables;
wenzelm
parents: 20013
diff changeset
  1040
in a locale context).
17981
2602be0d99ae * Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents: 17918
diff changeset
  1041
18815
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1042
* Isar: simplified treatment of user-level errors, using exception
18687
wenzelm
parents: 18686
diff changeset
  1043
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
  1044
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
  1045
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
  1046
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
  1047
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
  1048
  ... handle ERROR msg => cat_error msg "..."
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
  1049
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
  1050
Toplevel ML code (run directly or through the Isar toplevel) may be
18687
wenzelm
parents: 18686
diff changeset
  1051
embedded into the Isar toplevel with exception display/debug like
wenzelm
parents: 18686
diff changeset
  1052
this:
18686
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
  1053
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
  1054
  Isar.toplevel (fn () => ...)
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
  1055
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
  1056
INCOMPATIBILITY, removed special transform_error facilities, removed
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
  1057
obsolete variants of user-level exceptions (ERROR_MESSAGE,
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
  1058
Context.PROOF, ProofContext.CONTEXT, Proof.STATE, ProofHistory.FAIL)
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
  1059
-- use plain ERROR instead.
cbbc71acf994 * ML/Isar: simplified treatment of user-level errors;
wenzelm
parents: 18674
diff changeset
  1060
18815
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1061
* 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
  1062
list.  INCOMPATIBILITY, may use #> to compose setup functions.
0888eca0f1be * ML/Isar: theory setup has type (theory -> theory);
wenzelm
parents: 18696
diff changeset
  1063
18815
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1064
* Isar: installed ML toplevel pretty printer for type Proof.context,
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1065
subject to ProofContext.debug/verbose flags.
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1066
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1067
* Isar: Toplevel.theory_to_proof admits transactions that modify the
cb778c0ce1b5 Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents: 18738
diff changeset
  1068
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
  1069
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
  1070
batch mode.
18567
ecdd71518f33 * Pure/Isar: Toplevel.theory_theory_to_proof;
wenzelm
parents: 18557
diff changeset
  1071
17878
wenzelm
parents: 17869
diff changeset
  1072
* Simplifier: the simpset of a running simplification process now
wenzelm
parents: 17869
diff changeset
  1073
contains a proof context (cf. Simplifier.the_context), which is the
wenzelm
parents: 17869
diff changeset
  1074
very context that the initial simpset has been retrieved from (by
17890
fddb41d3cfa5 Simplifier.context/theory_context;
wenzelm
parents: 17887
diff changeset
  1075
simpset_of/local_simpset_of).  Consequently, all plug-in components
17878
wenzelm
parents: 17869
diff changeset
  1076
(solver, looper etc.) may depend on arbitrary proof data.
wenzelm
parents: 17869
diff changeset
  1077
wenzelm
parents: 17869
diff changeset
  1078
* Simplifier.inherit_context inherits the proof context (plus the
wenzelm
parents: 17869
diff changeset
  1079
local bounds) of the current simplification process; any simproc
wenzelm
parents: 17869
diff changeset
  1080
etc. that calls the Simplifier recursively should do this!  Removed
wenzelm
parents: 17869
diff changeset
  1081
former Simplifier.inherit_bounds, which is already included here --
17890
fddb41d3cfa5 Simplifier.context/theory_context;
wenzelm
parents: 17887
diff changeset
  1082
INCOMPATIBILITY.  Tools based on low-level rewriting may even have to
fddb41d3cfa5 Simplifier.context/theory_context;
wenzelm
parents: 17887
diff changeset
  1083
specify an explicit context using Simplifier.context/theory_context.
17878
wenzelm
parents: 17869
diff changeset
  1084
wenzelm
parents: 17869
diff changeset
  1085
* Simplifier/Classical Reasoner: more abstract interfaces
wenzelm
parents: 17869
diff changeset
  1086
change_simpset/claset for modifying the simpset/claset reference of a
wenzelm
parents: 17869
diff changeset
  1087
theory; raw versions simpset/claset_ref etc. have been discontinued --
wenzelm
parents: 17869
diff changeset
  1088
INCOMPATIBILITY.
wenzelm
parents: 17869
diff changeset
  1089
18540
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
  1090
* Provers: more generic wrt. syntax of object-logics, avoid hardwired
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
  1091
"Trueprop" etc.
7b6f57406b1b * Pure/Isar: new command 'unfolding';
wenzelm
parents: 18536
diff changeset
  1092
17878
wenzelm
parents: 17869
diff changeset
  1093
20988
0887d0dd3210 * isabelle-process: option -S (secure mode) disables some critical operations;
wenzelm
parents: 20951
diff changeset
  1094
*** System ***
0887d0dd3210 * isabelle-process: option -S (secure mode) disables some critical operations;
wenzelm
parents: 20951
diff changeset
  1095
21471
03a5ef1936c5 * settings: ML_IDENTIFIER includes the Isabelle version identifier;
wenzelm
parents: 21462
diff changeset
  1096
* settings: ML_IDENTIFIER -- which is appended to user specific heap
03a5ef1936c5 * settings: ML_IDENTIFIER includes the Isabelle version identifier;
wenzelm
parents: 21462
diff changeset
  1097
locations -- now includes the Isabelle version identifier as well.
03a5ef1936c5 * settings: ML_IDENTIFIER includes the Isabelle version identifier;
wenzelm
parents: 21462
diff changeset
  1098
This simplifies use of multiple Isabelle installations.
03a5ef1936c5 * settings: ML_IDENTIFIER includes the Isabelle version identifier;
wenzelm
parents: 21462
diff changeset
  1099
20988
0887d0dd3210 * isabelle-process: option -S (secure mode) disables some critical operations;
wenzelm
parents: 20951
diff changeset
  1100
* isabelle-process: option -S (secure mode) disables some critical
0887d0dd3210 * isabelle-process: option -S (secure mode) disables some critical operations;
wenzelm
parents: 20951
diff changeset
  1101
operations, notably runtime compilation and evaluation of ML source
0887d0dd3210 * isabelle-process: option -S (secure mode) disables some critical operations;
wenzelm
parents: 20951
diff changeset
  1102
code.
0887d0dd3210 * isabelle-process: option -S (secure mode) disables some critical operations;
wenzelm
parents: 20951
diff changeset
  1103
17754
58a306d9f736 * Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents: 17725
diff changeset
  1104
17720
da9199e6b674 Isabelle2005 (October 2005);
wenzelm
parents: 17701
diff changeset
  1105
New in Isabelle2005 (October 2005)
da9199e6b674 Isabelle2005 (October 2005);
wenzelm
parents: 17701
diff changeset
  1106
----------------------------------
14655
8a95abf87dd3 Pure: considerably improved version of 'constdefs' command;
wenzelm
parents: 14624
diff changeset
  1107
8a95abf87dd3 Pure: considerably improved version of 'constdefs' command;
wenzelm
parents: 14624
diff changeset
  1108
*** General ***
8a95abf87dd3 Pure: considerably improved version of 'constdefs' command;
wenzelm
parents: 14624
diff changeset
  1109
15130
dc6be28d7f4e *** empty log message ***
nipkow
parents: 15127
diff changeset
  1110
* Theory headers: the new header syntax for Isar theories is
dc6be28d7f4e *** empty log message ***
nipkow
parents: 15127
diff changeset
  1111
dc6be28d7f4e *** empty log message ***
nipkow
parents: 15127
diff changeset
  1112
  theory <name>
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1113
  imports <theory1> ... <theoryN>
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1114
  uses <file1> ... <fileM>
15130
dc6be28d7f4e *** empty log message ***
nipkow
parents: 15127
diff changeset
  1115
  begin
dc6be28d7f4e *** empty log message ***
nipkow
parents: 15127
diff changeset
  1116
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1117
where the 'uses' part is optional.  The previous syntax
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1118
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1119
  theory <name> = <theory1> + ... + <theoryN>:
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1120
16717
710a7a7a2b65 isatool fixheaders;
wenzelm
parents: 16690
diff changeset
  1121
will disappear in the next release.  Use isatool fixheaders to convert
710a7a7a2b65 isatool fixheaders;
wenzelm
parents: 16690
diff changeset
  1122
existing theory files.  Note that there is no change in ancient
17371
wenzelm
parents: 17275
diff changeset
  1123
non-Isar theories now, but these will disappear soon.
15130
dc6be28d7f4e *** empty log message ***
nipkow
parents: 15127
diff changeset
  1124
15475
fdf9434b04ea - Proofs are now hidden by default when generating documents
berghofe
parents: 15454
diff changeset
  1125
* Theory loader: parent theories can now also be referred to via
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1126
relative and absolute paths.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1127
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1128
* 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
  1129
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
  1130
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
  1131
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
  1132
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
  1133
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
  1134
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
  1135
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
  1136
'ProofGeneral -> Find Theorems' or C-c C-f.  Example:
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1137
17275
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
  1138
  C-c C-f (100) "(_::nat) + _ + _" intro -name: "HOL."
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1139
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1140
prints the last 100 theorems matching the pattern "(_::nat) + _ + _",
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1141
matching the current goal as introduction rule and not having "HOL."
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1142
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
  1143
17408
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1144
* 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
  1145
'find_theorems'; INCOMPATIBILITY.
551c9a4dd693 command 'thms_containing' has been discontinued in favour of 'find_theorems';
wenzelm
parents: 17402
diff changeset
  1146
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1147
* Communication with Proof General is now 8bit clean, which means that
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1148
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
  1149
formal and informal parts).  Cf. option -U of the Isabelle Proof
17538
wenzelm
parents: 17535
diff changeset
  1150
General interface.  Here are some simple examples (cf. src/HOL/ex):
wenzelm
parents: 17535
diff changeset
  1151
wenzelm
parents: 17535
diff changeset
  1152
  http://isabelle.in.tum.de/library/HOL/ex/Hebrew.html
wenzelm
parents: 17535
diff changeset
  1153
  http://isabelle.in.tum.de/library/HOL/ex/Chinese.html
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1154
17425
67c84a7d29f7 * Improved efficiency of the Simplifier etc.;
wenzelm
parents: 17423
diff changeset
  1155
* Improved efficiency of the Simplifier and, to a lesser degree, the
67c84a7d29f7 * Improved efficiency of the Simplifier etc.;
wenzelm
parents: 17423
diff changeset
  1156
Classical Reasoner.  Typical big applications run around 2 times
67c84a7d29f7 * Improved efficiency of the Simplifier etc.;
wenzelm
parents: 17423
diff changeset
  1157
faster.
67c84a7d29f7 * Improved efficiency of the Simplifier etc.;
wenzelm
parents: 17423
diff changeset
  1158
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
  1159
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
  1160
*** Document preparation ***
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
  1161
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1162
* Commands 'display_drafts' and 'print_drafts' perform simple output
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1163
of raw sources.  Only those symbols that do not require additional
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1164
LaTeX packages (depending on comments in isabellesym.sty) are
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1165
displayed properly, everything else is left verbatim.  isatool display
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1166
and isatool print are used as front ends (these are subject to the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1167
DVI/PDF_VIEWER and PRINT_COMMAND settings, respectively).
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1168
17047
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
  1169
* 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
  1170
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
  1171
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
  1172
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
  1173
"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
  1174
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
  1175
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
  1176
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
  1177
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
  1178
\isadroptag.
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
  1179
e2e2d75bb37b * Command tags control specific markup of certain regions of text (replaces usedir -H);
wenzelm
parents: 17016
diff changeset
  1180
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
  1181
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
  1182
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
  1183
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
  1184
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
  1185
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
  1186
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
  1187
specified above.
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1188
17402
41f1249bce37 AList, the_*
haftmann
parents: 17398
diff changeset
  1189
* Several new antiquotations:
15979
wenzelm
parents: 15973
diff changeset
  1190
wenzelm
parents: 15973
diff changeset
  1191
  @{term_type term} prints a term with its type annotated;
wenzelm
parents: 15973
diff changeset
  1192
wenzelm
parents: 15973
diff changeset
  1193
  @{typeof term} prints the type of a term;
wenzelm
parents: 15973
diff changeset
  1194
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1195
  @{const const} is the same as @{term const}, but checks that the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1196
  argument is a known logical constant;
15979
wenzelm
parents: 15973
diff changeset
  1197
wenzelm
parents: 15973
diff changeset
  1198
  @{term_style style term} and @{thm_style style thm} print a term or
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1199
  theorem applying a "style" to it
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1200
17117
e2bed9e82454 * The ML antiquotation prints type-checked ML expressions verbatim.
wenzelm
parents: 17097
diff changeset
  1201
  @{ML text}
e2bed9e82454 * The ML antiquotation prints type-checked ML expressions verbatim.
wenzelm
parents: 17097
diff changeset
  1202
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1203
Predefined styles are 'lhs' and 'rhs' printing the lhs/rhs of
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1204
definitions, equations, inequations etc., 'concl' printing only the
17393
23b7e14ce640 ... prem19
schirmer
parents: 17389
diff changeset
  1205
conclusion of a meta-logical statement theorem, and 'prem1' .. 'prem19'
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1206
to print the specified premise.  TermStyle.add_style provides an ML
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1207
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
  1208
document practical applications.  The ML antiquotation prints
e2bed9e82454 * The ML antiquotation prints type-checked ML expressions verbatim.
wenzelm
parents: 17097
diff changeset
  1209
type-checked ML expressions verbatim.
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1210
17259
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
wenzelm
parents: 17228
diff changeset
  1211
* Markup commands 'chapter', 'section', 'subsection', 'subsubsection',
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
wenzelm
parents: 17228
diff changeset
  1212
and 'text' support optional locale specification '(in loc)', which
17269
wenzelm
parents: 17259
diff changeset
  1213
specifies the default context for interpreting antiquotations.  For
wenzelm
parents: 17259
diff changeset
  1214
example: 'text (in lattice) {* @{thm inf_assoc}*}'.
17259
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
wenzelm
parents: 17228
diff changeset
  1215
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
wenzelm
parents: 17228
diff changeset
  1216
* Option 'locale=NAME' of antiquotations specifies an alternative
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
wenzelm
parents: 17228
diff changeset
  1217
context interpreting the subsequent argument.  For example: @{thm
17269
wenzelm
parents: 17259
diff changeset
  1218
[locale=lattice] inf_assoc}.
17259
dda237f1d299 Markup commands 'chapter' .. 'text' support optional locale specification;
wenzelm
parents: 17228
diff changeset
  1219
17097
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
  1220
* 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
  1221
a proof context.
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
  1222
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
  1223
* Proper output of antiquotations for theory commands involving a
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
  1224
proof context (such as 'locale' or 'theorem (in loc) ...').
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
  1225
17193
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
wenzelm
parents: 17189
diff changeset
  1226
* 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
  1227
macros (\isachardoublequoteopen, isachardoublequoteclose etc.).
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
wenzelm
parents: 17189
diff changeset
  1228
83708f724822 * Delimiters of outer tokens now produce separate LaTeX macros;
wenzelm
parents: 17189
diff changeset
  1229
* 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
  1230
-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
  1231
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
  1232
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1233
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1234
*** Pure ***
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1235
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1236
* Considerably improved version of 'constdefs' command.  Now performs
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1237
automatic type-inference of declared constants; additional support for
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1238
local structure declarations (cf. locales and HOL records), see also
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1239
isar-ref manual.  Potential INCOMPATIBILITY: need to observe strictly
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1240
sequential dependencies of definitions within a single 'constdefs'
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1241
section; moreover, the declared name needs to be an identifier.  If
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1242
all fails, consider to fall back on 'consts' and 'defs' separately.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1243
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1244
* Improved indexed syntax and implicit structures.  First of all,
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1245
indexed syntax provides a notational device for subscripted
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1246
application, using the new syntax \<^bsub>term\<^esub> for arbitrary
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1247
expressions.  Secondly, in a local context with structure
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1248
declarations, number indexes \<^sub>n or the empty index (default
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1249
number 1) refer to a certain fixed variable implicitly; option
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1250
show_structs controls printing of implicit structures.  Typical
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1251
applications of these concepts involve record types and locales.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1252
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1253
* New command 'no_syntax' removes grammar declarations (and
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1254
translations) resulting from the given syntax specification, which is
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1255
interpreted in the same manner as for the 'syntax' command.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1256
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1257
* 'Advanced' translation functions (parse_translation etc.) may depend
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1258
on the signature of the theory context being presently used for
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1259
parsing/printing, see also isar-ref manual.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1260
16856
6468a5d6a16e * Improved 'oracle' command -- type-safe;
wenzelm
parents: 16799
diff changeset
  1261
* Improved 'oracle' command provides a type-safe interface to turn an
6468a5d6a16e * Improved 'oracle' command -- type-safe;
wenzelm
parents: 16799
diff changeset
  1262
ML expression of type theory -> T -> term into a primitive rule of
6468a5d6a16e * Improved 'oracle' command -- type-safe;
wenzelm
parents: 16799
diff changeset
  1263
type theory -> T -> thm (i.e. the functionality of Thm.invoke_oracle
6468a5d6a16e * Improved 'oracle' command -- type-safe;
wenzelm
parents: 16799
diff changeset
  1264
is already included here); see also FOL/ex/IffExample.thy;
6468a5d6a16e * Improved 'oracle' command -- type-safe;
wenzelm
parents: 16799
diff changeset
  1265
INCOMPATIBILITY.
6468a5d6a16e * Improved 'oracle' command -- type-safe;
wenzelm
parents: 16799
diff changeset
  1266
17275
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
  1267
* 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
  1268
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
  1269
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
  1270
axclasses vs. locales.
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
  1271
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1272
* Improved internal renaming of symbolic identifiers -- attach primes
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1273
instead of base 26 numbers.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1274
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1275
* New flag show_question_marks controls printing of leading question
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1276
marks in schematic variable names.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1277
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1278
* In schematic variable names, *any* symbol following \<^isub> or
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1279
\<^isup> is now treated as part of the base name.  For example, the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1280
following works without printing of awkward ".0" indexes:
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1281
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1282
  lemma "x\<^isub>1 = x\<^isub>2 ==> x\<^isub>2 = x\<^isub>1"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1283
    by simp
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1284
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1285
* Inner syntax includes (*(*nested*) comments*).
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1286
17548
wenzelm
parents: 17538
diff changeset
  1287
* Pretty printer now supports unbreakable blocks, specified in mixfix
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1288
annotations as "(00...)".
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1289
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1290
* Clear separation of logical types and nonterminals, where the latter
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1291
may only occur in 'syntax' specifications or type abbreviations.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1292
Before that distinction was only partially implemented via type class
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1293
"logic" vs. "{}".  Potential INCOMPATIBILITY in rare cases of improper
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1294
use of 'types'/'consts' instead of 'nonterminals'/'syntax'.  Some very
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1295
exotic syntax specifications may require further adaption
17691
8cc72452695c revert 'defs' advertisement;
wenzelm
parents: 17684
diff changeset
  1296
(e.g. Cube/Cube.thy).
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1297
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1298
* Removed obsolete type class "logic", use the top sort {} instead.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1299
Note that non-logical types should be declared as 'nonterminals'
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1300
rather than 'types'.  INCOMPATIBILITY for new object-logic
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1301
specifications.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1302
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
  1303
* Attributes 'induct' and 'cases': type or set names may now be
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
  1304
locally fixed variables as well.
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
  1305
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1306
* Simplifier: can now control the depth to which conditional rewriting
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1307
is traced via the PG menu Isabelle -> Settings -> Trace Simp Depth
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1308
Limit.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1309
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1310
* Simplifier: simplification procedures may now take the current
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1311
simpset into account (cf. Simplifier.simproc(_i) / mk_simproc
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1312
interface), which is very useful for calling the Simplifier
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1313
recursively.  Minor INCOMPATIBILITY: the 'prems' argument of simprocs
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1314
is gone -- use prems_of_ss on the simpset instead.  Moreover, the
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1315
low-level mk_simproc no longer applies Logic.varify internally, to
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1316
allow for use in a context of fixed variables.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1317
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1318
* thin_tac now works even if the assumption being deleted contains !!
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1319
or ==>.  More generally, erule now works even if the major premise of
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1320
the elimination rule contains !! or ==>.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1321
17597
wenzelm
parents: 17595
diff changeset
  1322
* Method 'rules' has been renamed to 'iprover'. INCOMPATIBILITY.
17590
56dc95e8b5c5 *** empty log message ***
nipkow
parents: 17584
diff changeset
  1323
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1324
* Reorganized bootstrapping of the Pure theories; CPure is now derived
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1325
from Pure, which contains all common declarations already.  Both
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1326
theories are defined via plain Isabelle/Isar .thy files.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1327
INCOMPATIBILITY: elements of CPure (such as the CPure.intro /
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1328
CPure.elim / CPure.dest attributes) now appear in the Pure name space;
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1329
use isatool fixcpure to adapt your theory and ML sources.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1330
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1331
* New syntax 'name(i-j, i-, i, ...)' for referring to specific
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1332
selections of theorems in named facts via index ranges.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1333
17097
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
  1334
* 'print_theorems': in theory mode, really print the difference
78f1b66f70a4 * Proper output of proof terms within a proof context;
wenzelm
parents: 17095
diff changeset
  1335
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
  1336
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
  1337
17397
4ef3da248c48 hide: added option '(open)';
wenzelm
parents: 17393
diff changeset
  1338
* 'hide': option '(open)' hides only base names.
4ef3da248c48 hide: added option '(open)';
wenzelm
parents: 17393
diff changeset
  1339
17275
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
  1340
* 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
  1341
theory development.
44d8fbc2e52d axclass: name space prefix is now "c_class" instead of just "c";
wenzelm
parents: 17269
diff changeset
  1342
17663
28be54ff74f8 Added entries for code_module, code_library, and value.
berghofe
parents: 17641
diff changeset
  1343
* Code generator is now invoked via code_module (incremental code
17664
wenzelm
parents: 17663
diff changeset
  1344
generation) and code_library (modular code generation, ML structures
wenzelm
parents: 17663
diff changeset
  1345
for each theory).  INCOMPATIBILITY: new keywords 'file' and 'contains'
wenzelm
parents: 17663
diff changeset
  1346
must be quoted when used as identifiers.
wenzelm
parents: 17663
diff changeset
  1347
wenzelm
parents: 17663
diff changeset
  1348
* New 'value' command for reading, evaluating and printing terms using
wenzelm
parents: 17663
diff changeset
  1349
the code generator.  INCOMPATIBILITY: command keyword 'value' must be
wenzelm
parents: 17663
diff changeset
  1350
quoted when used as identifier.
17663
28be54ff74f8 Added entries for code_module, code_library, and value.
berghofe
parents: 17641
diff changeset
  1351
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1352
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1353
*** Locales ***
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
  1354
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1355
* New commands for the interpretation of locale expressions in
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1356
theories (1), locales (2) and proof contexts (3).  These generate
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1357
proof obligations from the expression specification.  After the
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1358
obligations have been discharged, theorems of the expression are added
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1359
to the theory, target locale or proof context.  The synopsis of the
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1360
commands is a follows:
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1361
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
  1362
  (1) interpretation expr inst
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
  1363
  (2) interpretation target < expr
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
  1364
  (3) interpret expr inst
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1365
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
  1366
Interpretation in theories and proof contexts require a parameter
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
  1367
instantiation of terms from the current context.  This is applied to
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1368
specifications and theorems of the interpreted expression.
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1369
Interpretation in locales only permits parameter renaming through the
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1370
locale expression.  Interpretation is smart in that interpretations
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1371
that are active already do not occur in proof obligations, neither are
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1372
instantiated theorems stored in duplicate.  Use 'print_interps' to
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1373
inspect active interpretations of a particular locale.  For details,
17436
ballarin
parents: 17425
diff changeset
  1374
see the Isar Reference manual.  Examples can be found in
ballarin
parents: 17425
diff changeset
  1375
HOL/Finite_Set.thy and HOL/Algebra/UnivPoly.thy.
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1376
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1377
INCOMPATIBILITY: former 'instantiate' has been withdrawn, use
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1378
'interpret' instead.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1379
17385
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1380
* New context element 'constrains' for adding type constraints to
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1381
parameters.
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1382
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1383
* Context expressions: renaming of parameters with syntax
4dcae6e62268 HOL: method comm_ring;
wenzelm
parents: 17371
diff changeset
  1384
redeclaration.
17095
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
  1385
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
  1386
* Locale declaration: 'includes' disallowed.
669005f73b81 Interpretation in locales.
ballarin
parents: 17092
diff changeset
  1387
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1388
* Proper static binding of attribute syntax -- i.e. types / terms /
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1389
facts mentioned as arguments are always those of the locale definition
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1390
context, independently of the context of later invocations.  Moreover,
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1391
locale operations (renaming and type / term instantiation) are applied
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1392
to attribute arguments as expected.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1393
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1394
INCOMPATIBILITY of the ML interface: always pass Attrib.src instead of
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1395
actual attributes; rare situations may require Attrib.attribute to
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1396
embed those attributes into Attrib.src that lack concrete syntax.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1397
Attribute implementations need to cooperate properly with the static
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1398
binding mechanism.  Basic parsers Args.XXX_typ/term/prop and
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1399
Attrib.XXX_thm etc. already do the right thing without further
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1400
intervention.  Only unusual applications -- such as "where" or "of"
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1401
(cf. src/Pure/Isar/attrib.ML), which process arguments depending both
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1402
on the context and the facts involved -- may have to assign parsed
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1403
values to argument tokens explicitly.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1404
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1405
* Changed parameter management in theorem generation for long goal
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1406
statements with 'includes'.  INCOMPATIBILITY: produces a different
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1407
theorem statement in rare situations.
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1408
17228
19b460b39dad print_locale omits facts by default
ballarin
parents: 17193
diff changeset
  1409
* Locale inspection command 'print_locale' omits notes elements.  Use
19b460b39dad print_locale omits facts by default
ballarin
parents: 17193
diff changeset
  1410
'print_locale!' to have them included in the output.
19b460b39dad print_locale omits facts by default
ballarin
parents: 17193
diff changeset
  1411
16234
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset
  1412
421c3522f160 major reorganization and cleanup;
wenzelm
parents: 16181
diff changeset