Isabelle NEWS -- history user-relevant changes
==============================================
New in this Isabelle version
----------------------------
*** General ***
* Document antiquotation @{url} produces markup for the given URL,
which results in an active hyperlink within the text.
* Document antiquotation @{file_unchecked} is like @{file}, but does
not check existence within the file-system.
* Discontinued legacy_isub_isup, which was a temporary Isabelle/ML
workaround in Isabelle2013-1. The prover process no longer accepts
old identifier syntax with \<^isub> or \<^isup>.
* Syntax of document antiquotation @{rail} now uses \<newline> instead
of "\\", to avoid the optical illusion of escaped backslash within
string token. Minor INCOMPATIBILITY.
* Lexical syntax (inner and outer) supports text cartouches with
arbitrary nesting, and without escapes of quotes etc. The Prover IDE
supports input methods via ` (backquote), or << and >> (double angle
brackets).
*** Prover IDE -- Isabelle/Scala/jEdit ***
* Auxiliary files ('ML_file' etc.) are managed by the Prover IDE.
Open text buffers take precedence over copies within the file-system.
* Improved support for Isabelle/ML, with jEdit mode "isabelle-ml" for
auxiliary ML files.
* Improved completion based on context information about embedded
languages: keywords are only completed for outer syntax, symbols or
antiquotations for languages that support them. E.g. no symbol
completion for ML source, but within ML strings, comments,
antiquotations.
* Semantic completions may get extended by appending a suffix of
underscores to an already recognized name, e.g. "foo_" to complete
"foo" or "foobar" if these are known in the context. The special
identifier "__" serves as a wild-card in this respect: it completes to
the full collection of names from the name space (truncated according
to the system option "completion_limit").
* Document panel: simplied interaction where every single mouse click
(re)opens document via desktop environment or as jEdit buffer.
* Option "jedit_print_mode" (see also "Plugin Options / Isabelle /
General") allows to specify additional print modes for the prover
process, without requiring old-fashioned command-line invocation of
"isabelle jedit -m MODE".
* New panel: Simplifier trace. Provides an interactive view of the
simplification process, enabled by the newly-introduced
"simplifier_trace" declaration.
*** Pure ***
* Low-level type-class commands 'classes', 'classrel', 'arities' have
been discontinued to avoid the danger of non-trivial axiomatization
that is not immediately visible. INCOMPATIBILITY, use regular
'instance' with proof. The required OFCLASS(...) theorem might be
postulated via 'axiomatization' beforehand, or the proof finished
trivially if the underlying class definition is made vacuous (without
any assumptions). See also Isabelle/ML operations
Axclass.axiomatize_class, Axclass.axiomatize_classrel,
Axclass.axiomatize_arity.
* Attributes "where" and "of" allow an optional context of local
variables ('for' declaration): these variables become schematic in the
instantiated theorem.
* Obsolete attribute "standard" has been discontinued (legacy since
Isabelle2012). Potential INCOMPATIBILITY, use explicit 'for' context
where instantiations with schematic variables are intended (for
declaration commands like 'lemmas' or attributes like "of"). The
following temporary definition may help to port old applications:
attribute_setup standard =
"Scan.succeed (Thm.rule_attribute (K Drule.export_without_context))"
* More thorough check of proof context for goal statements and
attributed fact expressions (concerning background theory, declared
hyps). Potential INCOMPATIBILITY, tools need to observe standard
context discipline. See also Assumption.add_assumes and the more
primitive Thm.assume_hyps.
* Inner syntax token language allows regular quoted strings "..."
(only makes sense in practice, if outer syntax is delimited
differently).
*** HOL ***
* Simplifier: Enhanced solver of preconditions of rewrite rules
can now deal with conjunctions.
For help with converting proofs, the old behaviour of the simplifier
can be restored like this: declare/using [[simp_legacy_precond]]
This configuration option will disappear again in the future.
* Dropped facts INF_comp, SUP_comp. INCOMPATIBILITY.
* HOL-Word:
* Abandoned fact collection "word_arith_alts", which is a
duplicate of "word_arith_wis".
* Dropped first (duplicated) element in fact collections
"sint_word_ariths", "word_arith_alts", "uint_word_ariths",
"uint_word_arith_bintrs".
* Code generator: explicit proof contexts in many ML interfaces.
INCOMPATIBILITY.
* Code generator: minimize exported identifiers by default.
Minor INCOMPATIBILITY.
* Code generation for SML and OCaml: dropped arcane "no_signatures" option.
Minor INCOMPATIBILITY.
* Simproc "finite_Collect" is no longer enabled by default, due to
spurious crashes and other surprises. Potential INCOMPATIBILITY.
* Moved new (co)datatype package and its dependencies from "HOL-BNF" to "HOL".
The "bnf", "wrap_free_constructors", "datatype_new", "codatatype",
"primcorec", and "primcorecursive" commands are now part of "Main".
Theory renamings:
FunDef.thy ~> Fun_Def.thy (and Fun_Def_Base.thy)
Library/Wfrec.thy ~> Wfrec.thy
Library/Zorn.thy ~> Zorn.thy
Cardinals/Order_Relation.thy ~> Order_Relation.thy
Library/Order_Union.thy ~> Cardinals/Order_Union.thy
Cardinals/Cardinal_Arithmetic_Base.thy ~> BNF_Cardinal_Arithmetic.thy
Cardinals/Cardinal_Order_Relation_Base.thy ~> BNF_Cardinal_Order_Relation.thy
Cardinals/Constructions_on_Wellorders_Base.thy ~> BNF_Constructions_on_Wellorders.thy
Cardinals/Wellorder_Embedding_Base.thy ~> BNF_Wellorder_Embedding.thy
Cardinals/Wellorder_Relation_Base.thy ~> BNF_Wellorder_Relation.thy
BNF/Ctr_Sugar.thy ~> Ctr_Sugar.thy
BNF/Basic_BNFs.thy ~> Basic_BNFs.thy
BNF/BNF_Comp.thy ~> BNF_Comp.thy
BNF/BNF_Def.thy ~> BNF_Def.thy
BNF/BNF_FP_Base.thy ~> BNF_FP_Base.thy
BNF/BNF_GFP.thy ~> BNF_GFP.thy
BNF/BNF_LFP.thy ~> BNF_LFP.thy
BNF/BNF_Util.thy ~> BNF_Util.thy
BNF/Coinduction.thy ~> Coinduction.thy
BNF/More_BNFs.thy ~> Library/More_BNFs.thy
BNF/Countable_Type.thy ~> Library/Countable_Set_Type.thy
BNF/Examples/* ~> BNF_Examples/*
New theories:
Wellorder_Extension.thy (split from Zorn.thy)
Library/Cardinal_Notations.thy
Library/BNF_Decl.thy
BNF_Examples/Misc_Primcorec.thy
BNF_Examples/Stream_Processor.thy
Discontinued theories:
BNF/BNF.thy
BNF/Equiv_Relations_More.thy
INCOMPATIBILITY.
* New (co)datatype package:
* "primcorec" is fully implemented.
* Renamed commands:
datatype_new_compat ~> datatype_compat
primrec_new ~> primrec
wrap_free_constructors ~> free_constructors
INCOMPATIBILITY.
* The generated constants "xxx_case" and "xxx_rec" have been renamed
"case_xxx" and "rec_xxx" (e.g., "prod_case" ~> "case_prod").
INCOMPATIBILITY.
* The constant "xxx_(un)fold" and related theorems are no longer generated.
Use "xxx_(co)rec" or define "xxx_(un)fold" manually using "prim(co)rec".
INCOMPATIBILITY.
* Old datatype package:
* The generated theorems "xxx.cases" and "xxx.recs" have been renamed
"xxx.case" and "xxx.rec" (e.g., "sum.cases" -> "sum.case").
INCOMPATIBILITY.
* The generated constants "xxx_case" and "xxx_rec" have been renamed
"case_xxx" and "rec_xxx" (e.g., "prod_case" ~> "case_prod").
INCOMPATIBILITY.
* The types "'a list" and "'a option", their set and map functions, their
relators, and their selectors are now produced using the new BNF-based
datatype package.
Renamed constants:
Option.set ~> set_option
Option.map ~> map_option
option_rel ~> rel_option
option_rec ~> case_option
Renamed theorems:
set_def ~> set_rec[abs_def]
map_def ~> map_rec[abs_def]
Option.map_def ~> map_option_case[abs_def] (with "case_option" instead of "rec_option")
option.recs ~> option.case
list_all2_def ~> list_all2_iff
set.simps ~> set_simps (or the slightly different "list.set")
map.simps ~> list.map
hd.simps ~> list.sel(1)
tl.simps ~> list.sel(2-3)
the.simps ~> option.sel
INCOMPATIBILITY.
* The following map functions and relators have been renamed:
sum_map ~> map_sum
map_pair ~> map_prod
prod_rel ~> rel_prod
sum_rel ~> rel_sum
fun_rel ~> rel_fun
set_rel ~> rel_set
filter_rel ~> rel_filter
fset_rel ~> rel_fset (in "Library/FSet.thy")
cset_rel ~> rel_cset (in "Library/Countable_Set_Type.thy")
vset ~> rel_vset (in "Library/Quotient_Set.thy")
* New theory:
Cardinals/Ordinal_Arithmetic.thy
* Theory reorganizations:
* Big_Operators.thy ~> Groups_Big.thy and Lattices_Big.thy
* SMT module:
* A new version of the SMT module, temporarily called "SMT2", uses SMT-LIB 2
and supports recent versions of Z3 (e.g., 4.3). The new proof method is
called "smt2", and the new Z3 is called "z3_new" in Sledgehammer and
elsewhere.
* Sledgehammer:
- New prover "z3_new" with support for Isar proofs
- New option:
smt_proofs
- Renamed options:
isar_compress ~> compress_isar
isar_try0 ~> try0_isar
INCOMPATIBILITY.
* Metis:
- Removed legacy proof method 'metisFT'. Use 'metis (full_types)' instead.
INCOMPATIBILITY.
* Try0: Added 'algebra' and 'meson' to the set of proof methods.
* Command renaming: enriched_type ~> functor. INCOMPATIBILITY.
* The symbol "\<newline>" may be used within char or string literals
to represent (Char Nibble0 NibbleA), i.e. ASCII newline.
* Activation of Z3 now works via "z3_non_commercial" system option
(without requiring restart), instead of former settings variable
"Z3_NON_COMMERCIAL". The option can be edited in Isabelle/jEdit menu
Plugin Options / Isabelle / General.
* "declare [[code abort: ...]]" replaces "code_abort ...".
INCOMPATIBILITY.
* "declare [[code drop: ...]]" drops all code equations associated
with the given constants.
* Abolished slightly odd global lattice interpretation for min/max.
Fact consolidations:
min_max.inf_assoc ~> min.assoc
min_max.inf_commute ~> min.commute
min_max.inf_left_commute ~> min.left_commute
min_max.inf_idem ~> min.idem
min_max.inf_left_idem ~> min.left_idem
min_max.inf_right_idem ~> min.right_idem
min_max.sup_assoc ~> max.assoc
min_max.sup_commute ~> max.commute
min_max.sup_left_commute ~> max.left_commute
min_max.sup_idem ~> max.idem
min_max.sup_left_idem ~> max.left_idem
min_max.sup_inf_distrib1 ~> max_min_distrib2
min_max.sup_inf_distrib2 ~> max_min_distrib1
min_max.inf_sup_distrib1 ~> min_max_distrib2
min_max.inf_sup_distrib2 ~> min_max_distrib1
min_max.distrib ~> min_max_distribs
min_max.inf_absorb1 ~> min.absorb1
min_max.inf_absorb2 ~> min.absorb2
min_max.sup_absorb1 ~> max.absorb1
min_max.sup_absorb2 ~> max.absorb2
min_max.le_iff_inf ~> min.absorb_iff1
min_max.le_iff_sup ~> max.absorb_iff2
min_max.inf_le1 ~> min.cobounded1
min_max.inf_le2 ~> min.cobounded2
le_maxI1, min_max.sup_ge1 ~> max.cobounded1
le_maxI2, min_max.sup_ge2 ~> max.cobounded2
min_max.le_infI1 ~> min.coboundedI1
min_max.le_infI2 ~> min.coboundedI2
min_max.le_supI1 ~> max.coboundedI1
min_max.le_supI2 ~> max.coboundedI2
min_max.less_infI1 ~> min.strict_coboundedI1
min_max.less_infI2 ~> min.strict_coboundedI2
min_max.less_supI1 ~> max.strict_coboundedI1
min_max.less_supI2 ~> max.strict_coboundedI2
min_max.inf_mono ~> min.mono
min_max.sup_mono ~> max.mono
min_max.le_infI, min_max.inf_greatest ~> min.boundedI
min_max.le_supI, min_max.sup_least ~> max.boundedI
min_max.le_inf_iff ~> min.bounded_iff
min_max.le_sup_iff ~> max.bounded_iff
For min_max.inf_sup_aci, prefer (one of) min.commute, min.assoc,
min.left_commute, min.left_idem, max.commute, max.assoc,
max.left_commute, max.left_idem directly.
For min_max.inf_sup_ord, prefer (one of) min.cobounded1, min.cobounded2,
max.cobounded1m max.cobounded2 directly.
For min_ac or max_ac, prefor more general collection ac_simps.
INCOMPATBILITY.
* Word library: bit representations prefer type bool over type bit.
INCOMPATIBILITY.
* Theorem disambiguation Inf_le_Sup (on finite sets) ~> Inf_fin_le_Sup_fin.
INCOMPATIBILITY.
* Code generations are provided for make, fields, extend and truncate
operations on records.
* Qualified constant names Wellfounded.acc, Wellfounded.accp.
INCOMPATIBILITY.
* Fact generalization and consolidation:
neq_one_mod_two, mod_2_not_eq_zero_eq_one_int ~> not_mod_2_eq_0_eq_1
INCOMPATIBILITY.
* Purely algebraic definition of even. Fact generalization and consolidation:
nat_even_iff_2_dvd, int_even_iff_2_dvd ~> even_iff_2_dvd
even_zero_(nat|int) ~> even_zero
INCOMPATIBILITY.
* Abolished neg_numeral.
* Canonical representation for minus one is "- 1".
* Canonical representation for other negative numbers is "- (numeral _)".
* When devising rule sets for number calculation, consider the
following canonical cases: 0, 1, numeral _, - 1, - numeral _.
* HOLogic.dest_number also recognizes numerals in non-canonical forms
like "numeral One", "- numeral One", "- 0" and even "- ... - _".
* Syntax for negative numerals is mere input syntax.
INCOMPATBILITY.
* Elimination of fact duplicates:
equals_zero_I ~> minus_unique
diff_eq_0_iff_eq ~> right_minus_eq
nat_infinite ~> infinite_UNIV_nat
int_infinite ~> infinite_UNIV_int
INCOMPATIBILITY.
* Fact name consolidation:
diff_def, diff_minus, ab_diff_minus ~> diff_conv_add_uminus
minus_le_self_iff ~> neg_less_eq_nonneg
le_minus_self_iff ~> less_eq_neg_nonpos
neg_less_nonneg ~> neg_less_pos
less_minus_self_iff ~> less_neg_neg [simp]
INCOMPATIBILITY.
* More simplification rules on unary and binary minus:
add_diff_cancel, add_diff_cancel_left, add_le_same_cancel1,
add_le_same_cancel2, add_less_same_cancel1, add_less_same_cancel2,
add_minus_cancel, diff_add_cancel, le_add_same_cancel1,
le_add_same_cancel2, less_add_same_cancel1, less_add_same_cancel2,
minus_add_cancel, uminus_add_conv_diff. These correspondingly
have been taken away from fact collections algebra_simps and
field_simps. INCOMPATIBILITY.
To restore proofs, the following patterns are helpful:
a) Arbitrary failing proof not involving "diff_def":
Consider simplification with algebra_simps or field_simps.
b) Lifting rules from addition to subtraction:
Try with "using <rule for addition> of [... "- _" ...]" by simp".
c) Simplification with "diff_def": just drop "diff_def".
Consider simplification with algebra_simps or field_simps;
or the brute way with
"simp add: diff_conv_add_uminus del: add_uminus_conv_diff".
* SUP and INF generalized to conditionally_complete_lattice
* Theory Lubs moved HOL image to HOL-Library. It is replaced by
Conditionally_Complete_Lattices. INCOMPATIBILITY.
* Introduce bdd_above and bdd_below in Conditionally_Complete_Lattices, use them
instead of explicitly stating boundedness of sets.
* ccpo.admissible quantifies only over non-empty chains to allow
more syntax-directed proof rules; the case of the empty chain
shows up as additional case in fixpoint induction proofs.
INCOMPATIBILITY
* Removed solvers remote_cvc3 and remote_z3. Use cvc3 and z3 instead.
* Nitpick:
- Fixed soundness bug whereby mutually recursive datatypes could take
infinite values.
- Fixed soundness bug with low-level number functions such as "Abs_Integ" and
"Rep_Integ".
- Removed "std" option.
- Renamed "show_datatypes" to "show_types" and "hide_datatypes" to
"hide_types".
* HOL-Multivariate_Analysis:
- type class ordered_real_vector for ordered vector spaces
- changed order of ordered_euclidean_space to be compatible with
pointwise ordering on products. Therefore instance of
conditionally_complete_lattice and ordered_real_vector.
INCOMPATIBILITY: use box instead of greaterThanLessThan or
explicit set-comprehensions with eucl_less for other (half-) open
intervals.
*** Scala ***
* The signature and semantics of Document.Snapshot.cumulate_markup /
select_markup have been clarified. Markup is now traversed in the
order of reports given by the prover: later markup is usually more
specific and may override results accumulated so far. The elements
guard is mandatory and checked precisely. Subtle INCOMPATIBILITY.
*** ML ***
* Proper context discipline for read_instantiate and instantiate_tac:
variables that are meant to become schematic need to be given as
fixed, and are generalized by the explicit context of local variables.
This corresponds to Isar attributes "where" and "of" with 'for'
declaration. INCOMPATIBILITY, also due to potential change of indices
of schematic variables.
* Toplevel function "use" refers to raw ML bootstrap environment,
without Isar context nor antiquotations. Potential INCOMPATIBILITY.
Note that 'ML_file' is the canonical command to load ML files into the
formal context.
* Proper context for basic Simplifier operations: rewrite_rule,
rewrite_goals_rule, rewrite_goals_tac etc. INCOMPATIBILITY, need to
pass runtime Proof.context (and ensure that the simplified entity
actually belongs to it).
* Subtle change of semantics of Thm.eq_thm: theory stamps are not
compared (according to Thm.thm_ord), but assumed to be covered by the
current background theory. Thus equivalent data produced in different
branches of the theory graph usually coincides (e.g. relevant for
theory merge). Note that the softer Thm.eq_thm_prop is often more
appropriate than Thm.eq_thm.
* Simplified programming interface to define ML antiquotations (to
make it more close to the analogous Thy_Output.antiquotation). See
ML_Context.antiquotation and structure ML_Antiquotation. Minor
INCOMPATIBILITY.
* ML antiquotation @{here} refers to its source position, which is
occasionally useful for experimentation and diagnostic purposes.
*** System ***
* Simplified "isabelle display" tool. Settings variables DVI_VIEWER
and PDF_VIEWER now refer to the actual programs, not shell
command-lines. Discontinued option -c: invocation may be asynchronous
via desktop environment, without any special precautions. Potential
INCOMPATIBILITY with ambitious private settings.
* Improved 'display_drafts' concerning desktop integration and
repeated invocation in PIDE front-end: re-use single file
$ISABELLE_HOME_USER/tmp/drafts.pdf and corresponding views.
New in Isabelle2013-2 (December 2013)
-------------------------------------
*** Prover IDE -- Isabelle/Scala/jEdit ***
* More robust editing of running commands with internal forks,
e.g. non-terminating 'by' steps.
* More relaxed Sledgehammer panel: avoid repeated application of query
after edits surrounding the command location.
* More status information about commands that are interrupted
accidentally (via physical event or Poly/ML runtime system signal,
e.g. out-of-memory).
*** System ***
* More robust termination of external processes managed by
Isabelle/ML: support cancellation of tasks within the range of
milliseconds, as required for PIDE document editing with automatically
tried tools (e.g. Sledgehammer).
* Reactivated Isabelle/Scala kill command for external processes on
Mac OS X, which was accidentally broken in Isabelle2013-1 due to a
workaround for some Debian/Ubuntu Linux versions from 2013.
New in Isabelle2013-1 (November 2013)
-------------------------------------
*** General ***
* Discontinued obsolete 'uses' within theory header. Note that
commands like 'ML_file' work without separate declaration of file
dependencies. Minor INCOMPATIBILITY.
* Discontinued redundant 'use' command, which was superseded by
'ML_file' in Isabelle2013. Minor INCOMPATIBILITY.
* Simplified subscripts within identifiers, using plain \<^sub>
instead of the second copy \<^isub> and \<^isup>. Superscripts are
only for literal tokens within notation; explicit mixfix annotations
for consts or fixed variables may be used as fall-back for unusual
names. Obsolete \<twosuperior> has been expanded to \<^sup>2 in
Isabelle/HOL. INCOMPATIBILITY, use "isabelle update_sub_sup" to
standardize symbols as a starting point for further manual cleanup.
The ML reference variable "legacy_isub_isup" may be set as temporary
workaround, to make the prover accept a subset of the old identifier
syntax.
* Document antiquotations: term style "isub" has been renamed to
"sub". Minor INCOMPATIBILITY.
* Uniform management of "quick_and_dirty" as system option (see also
"isabelle options"), configuration option within the context (see also
Config.get in Isabelle/ML), and attribute in Isabelle/Isar. Minor
INCOMPATIBILITY, need to use more official Isabelle means to access
quick_and_dirty, instead of historical poking into mutable reference.
* Renamed command 'print_configs' to 'print_options'. Minor
INCOMPATIBILITY.
* Proper diagnostic command 'print_state'. Old 'pr' (with its
implicit change of some global references) is retained for now as
control command, e.g. for ProofGeneral 3.7.x.
* Discontinued 'print_drafts' command with its old-fashioned PS output
and Unix command-line print spooling. Minor INCOMPATIBILITY: use
'display_drafts' instead and print via the regular document viewer.
* Updated and extended "isar-ref" and "implementation" manual,
eliminated old "ref" manual.
*** Prover IDE -- Isabelle/Scala/jEdit ***
* New manual "jedit" for Isabelle/jEdit, see isabelle doc or
Documentation panel.
* Dockable window "Documentation" provides access to Isabelle
documentation.
* Dockable window "Find" provides query operations for formal entities
(GUI front-end to 'find_theorems' command).
* Dockable window "Sledgehammer" manages asynchronous / parallel
sledgehammer runs over existing document sources, independently of
normal editing and checking process.
* Dockable window "Timing" provides an overview of relevant command
timing information, depending on option jedit_timing_threshold. The
same timing information is shown in the extended tooltip of the
command keyword, when hovering the mouse over it while the CONTROL or
COMMAND modifier is pressed.
* Improved dockable window "Theories": Continuous checking of proof
document (visible and required parts) may be controlled explicitly,
using check box or shortcut "C+e ENTER". Individual theory nodes may
be marked explicitly as required and checked in full, using check box
or shortcut "C+e SPACE".
* Improved completion mechanism, which is now managed by the
Isabelle/jEdit plugin instead of SideKick. Refined table of Isabelle
symbol abbreviations (see $ISABELLE_HOME/etc/symbols).
* Standard jEdit keyboard shortcut C+b complete-word is remapped to
isabelle.complete for explicit completion in Isabelle sources.
INCOMPATIBILITY wrt. jEdit defaults, may have to invent new shortcuts
to resolve conflict.
* Improved support of various "minor modes" for Isabelle NEWS,
options, session ROOT etc., with completion and SideKick tree view.
* Strictly monotonic document update, without premature cancellation of
running transactions that are still needed: avoid reset/restart of
such command executions while editing.
* Support for asynchronous print functions, as overlay to existing
document content.
* Support for automatic tools in HOL, which try to prove or disprove
toplevel theorem statements.
* Action isabelle.reset-font-size resets main text area font size
according to Isabelle/Scala plugin option "jedit_font_reset_size" (see
also "Plugin Options / Isabelle / General"). It can be bound to some
keyboard shortcut by the user (e.g. C+0 and/or C+NUMPAD0).
* File specifications in jEdit (e.g. file browser) may refer to
$ISABELLE_HOME and $ISABELLE_HOME_USER on all platforms. Discontinued
obsolete $ISABELLE_HOME_WINDOWS variable.
* Improved support for Linux look-and-feel "GTK+", see also "Utilities
/ Global Options / Appearance".
* Improved support of native Mac OS X functionality via "MacOSX"
plugin, which is now enabled by default.
*** Pure ***
* Commands 'interpretation' and 'sublocale' are now target-sensitive.
In particular, 'interpretation' allows for non-persistent
interpretation within "context ... begin ... end" blocks offering a
light-weight alternative to 'sublocale'. See "isar-ref" manual for
details.
* Improved locales diagnostic command 'print_dependencies'.
* Discontinued obsolete 'axioms' command, which has been marked as
legacy since Isabelle2009-2. INCOMPATIBILITY, use 'axiomatization'
instead, while observing its uniform scope for polymorphism.
* Discontinued empty name bindings in 'axiomatization'.
INCOMPATIBILITY.
* System option "proofs" has been discontinued. Instead the global
state of Proofterm.proofs is persistently compiled into logic images
as required, notably HOL-Proofs. Users no longer need to change
Proofterm.proofs dynamically. Minor INCOMPATIBILITY.
* Syntax translation functions (print_translation etc.) always depend
on Proof.context. Discontinued former "(advanced)" option -- this is
now the default. Minor INCOMPATIBILITY.
* Former global reference trace_unify_fail is now available as
configuration option "unify_trace_failure" (global context only).
* SELECT_GOAL now retains the syntactic context of the overall goal
state (schematic variables etc.). Potential INCOMPATIBILITY in rare
situations.
*** HOL ***
* Stronger precedence of syntax for big intersection and union on
sets, in accordance with corresponding lattice operations.
INCOMPATIBILITY.
* Notation "{p:A. P}" now allows tuple patterns as well.
* Nested case expressions are now translated in a separate check phase
rather than during parsing. The data for case combinators is separated
from the datatype package. The declaration attribute
"case_translation" can be used to register new case combinators:
declare [[case_translation case_combinator constructor1 ... constructorN]]
* Code generator:
- 'code_printing' unifies 'code_const' / 'code_type' / 'code_class' /
'code_instance'.
- 'code_identifier' declares name hints for arbitrary identifiers in
generated code, subsuming 'code_modulename'.
See the isar-ref manual for syntax diagrams, and the HOL theories for
examples.
* Attibute 'code': 'code' now declares concrete and abstract code
equations uniformly. Use explicit 'code equation' and 'code abstract'
to distinguish both when desired.
* Discontinued theories Code_Integer and Efficient_Nat by a more
fine-grain stack of theories Code_Target_Int, Code_Binary_Nat,
Code_Target_Nat and Code_Target_Numeral. See the tutorial on code
generation for details. INCOMPATIBILITY.
* Numeric types are mapped by default to target language numerals:
natural (replaces former code_numeral) and integer (replaces former
code_int). Conversions are available as integer_of_natural /
natural_of_integer / integer_of_nat / nat_of_integer (in HOL) and
Code_Numeral.integer_of_natural / Code_Numeral.natural_of_integer (in
ML). INCOMPATIBILITY.
* Function package: For mutually recursive functions f and g, separate
cases rules f.cases and g.cases are generated instead of unusable
f_g.cases which exposed internal sum types. Potential INCOMPATIBILITY,
in the case that the unusable rule was used nevertheless.
* Function package: For each function f, new rules f.elims are
generated, which eliminate equalities of the form "f x = t".
* New command 'fun_cases' derives ad-hoc elimination rules for
function equations as simplified instances of f.elims, analogous to
inductive_cases. See ~~/src/HOL/ex/Fundefs.thy for some examples.
* Lifting:
- parametrized correspondence relations are now supported:
+ parametricity theorems for the raw term can be specified in
the command lift_definition, which allow us to generate stronger
transfer rules
+ setup_lifting generates stronger transfer rules if parametric
correspondence relation can be generated
+ various new properties of the relator must be specified to support
parametricity
+ parametricity theorem for the Quotient relation can be specified
- setup_lifting generates domain rules for the Transfer package
- stronger reflexivity prover of respectfulness theorems for type
copies
- ===> and --> are now local. The symbols can be introduced
by interpreting the locale lifting_syntax (typically in an
anonymous context)
- Lifting/Transfer relevant parts of Library/Quotient_* are now in
Main. Potential INCOMPATIBILITY
- new commands for restoring and deleting Lifting/Transfer context:
lifting_forget, lifting_update
- the command print_quotmaps was renamed to print_quot_maps.
INCOMPATIBILITY
* Transfer:
- better support for domains in Transfer: replace Domainp T
by the actual invariant in a transferred goal
- transfer rules can have as assumptions other transfer rules
- Experimental support for transferring from the raw level to the
abstract level: Transfer.transferred attribute
- Attribute version of the transfer method: untransferred attribute
* Reification and reflection:
- Reification is now directly available in HOL-Main in structure
"Reification".
- Reflection now handles multiple lists with variables also.
- The whole reflection stack has been decomposed into conversions.
INCOMPATIBILITY.
* Revised devices for recursive definitions over finite sets:
- Only one fundamental fold combinator on finite set remains:
Finite_Set.fold :: ('a => 'b => 'b) => 'b => 'a set => 'b
This is now identity on infinite sets.
- Locales ("mini packages") for fundamental definitions with
Finite_Set.fold: folding, folding_idem.
- Locales comm_monoid_set, semilattice_order_set and
semilattice_neutr_order_set for big operators on sets.
See theory Big_Operators for canonical examples.
Note that foundational constants comm_monoid_set.F and
semilattice_set.F correspond to former combinators fold_image
and fold1 respectively. These are now gone. You may use
those foundational constants as substitutes, but it is
preferable to interpret the above locales accordingly.
- Dropped class ab_semigroup_idem_mult (special case of lattice,
no longer needed in connection with Finite_Set.fold etc.)
- Fact renames:
card.union_inter ~> card_Un_Int [symmetric]
card.union_disjoint ~> card_Un_disjoint
INCOMPATIBILITY.
* Locale hierarchy for abstract orderings and (semi)lattices.
* Complete_Partial_Order.admissible is defined outside the type class
ccpo, but with mandatory prefix ccpo. Admissibility theorems lose the
class predicate assumption or sort constraint when possible.
INCOMPATIBILITY.
* Introduce type class "conditionally_complete_lattice": Like a
complete lattice but does not assume the existence of the top and
bottom elements. Allows to generalize some lemmas about reals and
extended reals. Removed SupInf and replaced it by the instantiation
of conditionally_complete_lattice for real. Renamed lemmas about
conditionally-complete lattice from Sup_... to cSup_... and from
Inf_... to cInf_... to avoid hidding of similar complete lattice
lemmas.
* Introduce type class linear_continuum as combination of
conditionally-complete lattices and inner dense linorders which have
more than one element. INCOMPATIBILITY.
* Introduced type classes order_top and order_bot. The old classes top
and bot only contain the syntax without assumptions. INCOMPATIBILITY:
Rename bot -> order_bot, top -> order_top
* Introduce type classes "no_top" and "no_bot" for orderings without
top and bottom elements.
* Split dense_linorder into inner_dense_order and no_top, no_bot.
* Complex_Main: Unify and move various concepts from
HOL-Multivariate_Analysis to HOL-Complex_Main.
- Introduce type class (lin)order_topology and
linear_continuum_topology. Allows to generalize theorems about
limits and order. Instances are reals and extended reals.
- continuous and continuos_on from Multivariate_Analysis:
"continuous" is the continuity of a function at a filter. "isCont"
is now an abbrevitation: "isCont x f == continuous (at _) f".
Generalized continuity lemmas from isCont to continuous on an
arbitrary filter.
- compact from Multivariate_Analysis. Use Bolzano's lemma to prove
compactness of closed intervals on reals. Continuous functions
attain infimum and supremum on compact sets. The inverse of a
continuous function is continuous, when the function is continuous
on a compact set.
- connected from Multivariate_Analysis. Use it to prove the
intermediate value theorem. Show connectedness of intervals on
linear_continuum_topology).
- first_countable_topology from Multivariate_Analysis. Is used to
show equivalence of properties on the neighbourhood filter of x and
on all sequences converging to x.
- FDERIV: Definition of has_derivative moved to Deriv.thy. Moved
theorems from Library/FDERIV.thy to Deriv.thy and base the
definition of DERIV on FDERIV. Add variants of DERIV and FDERIV
which are restricted to sets, i.e. to represent derivatives from
left or right.
- Removed the within-filter. It is replaced by the principal filter:
F within X = inf F (principal X)
- Introduce "at x within U" as a single constant, "at x" is now an
abbreviation for "at x within UNIV"
- Introduce named theorem collections tendsto_intros,
continuous_intros, continuous_on_intros and FDERIV_intros. Theorems
in tendsto_intros (or FDERIV_intros) are also available as
tendsto_eq_intros (or FDERIV_eq_intros) where the right-hand side
is replaced by a congruence rule. This allows to apply them as
intro rules and then proving equivalence by the simplifier.
- Restructured theories in HOL-Complex_Main:
+ Moved RealDef and RComplete into Real
+ Introduced Topological_Spaces and moved theorems about
topological spaces, filters, limits and continuity to it
+ Renamed RealVector to Real_Vector_Spaces
+ Split Lim, SEQ, Series into Topological_Spaces,
Real_Vector_Spaces, and Limits
+ Moved Ln and Log to Transcendental
+ Moved theorems about continuity from Deriv to Topological_Spaces
- Remove various auxiliary lemmas.
INCOMPATIBILITY.
* Nitpick:
- Added option "spy".
- Reduce incidence of "too high arity" errors.
* Sledgehammer:
- Renamed option:
isar_shrink ~> isar_compress
INCOMPATIBILITY.
- Added options "isar_try0", "spy".
- Better support for "isar_proofs".
- MaSh has been fined-tuned and now runs as a local server.
* Improved support for ad hoc overloading of constants (see also
isar-ref manual and ~~/src/HOL/ex/Adhoc_Overloading_Examples.thy).
* Library/Polynomial.thy:
- Use lifting for primitive definitions.
- Explicit conversions from and to lists of coefficients, used for
generated code.
- Replaced recursion operator poly_rec by fold_coeffs.
- Prefer pre-existing gcd operation for gcd.
- Fact renames:
poly_eq_iff ~> poly_eq_poly_eq_iff
poly_ext ~> poly_eqI
expand_poly_eq ~> poly_eq_iff
IMCOMPATIBILITY.
* New Library/Simps_Case_Conv.thy: Provides commands simps_of_case and
case_of_simps to convert function definitions between a list of
equations with patterns on the lhs and a single equation with case
expressions on the rhs. See also Ex/Simps_Case_Conv_Examples.thy.
* New Library/FSet.thy: type of finite sets defined as a subtype of
sets defined by Lifting/Transfer.
* Discontinued theory src/HOL/Library/Eval_Witness. INCOMPATIBILITY.
* Consolidation of library theories on product orders:
Product_Lattice ~> Product_Order -- pointwise order on products
Product_ord ~> Product_Lexorder -- lexicographic order on products
INCOMPATIBILITY.
* Imperative-HOL: The MREC combinator is considered legacy and no
longer included by default. INCOMPATIBILITY, use partial_function
instead, or import theory Legacy_Mrec as a fallback.
* HOL-Algebra: Discontinued theories ~~/src/HOL/Algebra/abstract and
~~/src/HOL/Algebra/poly. Existing theories should be based on
~~/src/HOL/Library/Polynomial instead. The latter provides
integration with HOL's type classes for rings. INCOMPATIBILITY.
* HOL-BNF:
- Various improvements to BNF-based (co)datatype package, including
new commands "primrec_new", "primcorec", and
"datatype_new_compat", as well as documentation. See
"datatypes.pdf" for details.
- New "coinduction" method to avoid some boilerplate (compared to
coinduct).
- Renamed keywords:
data ~> datatype_new
codata ~> codatatype
bnf_def ~> bnf
- Renamed many generated theorems, including
discs ~> disc
map_comp' ~> map_comp
map_id' ~> map_id
sels ~> sel
set_map' ~> set_map
sets ~> set
IMCOMPATIBILITY.
*** ML ***
* Spec_Check is a Quickcheck tool for Isabelle/ML. The ML function
"check_property" allows to check specifications of the form "ALL x y
z. prop x y z". See also ~~/src/Tools/Spec_Check/ with its
Examples.thy in particular.
* Improved printing of exception trace in Poly/ML 5.5.1, with regular
tracing output in the command transaction context instead of physical
stdout. See also Toplevel.debug, Toplevel.debugging and
ML_Compiler.exn_trace.
* ML type "theory" is now immutable, without any special treatment of
drafts or linear updates (which could lead to "stale theory" errors in
the past). Discontinued obsolete operations like Theory.copy,
Theory.checkpoint, and the auxiliary type theory_ref. Minor
INCOMPATIBILITY.
* More uniform naming of goal functions for skipped proofs:
Skip_Proof.prove ~> Goal.prove_sorry
Skip_Proof.prove_global ~> Goal.prove_sorry_global
Minor INCOMPATIBILITY.
* Simplifier tactics and tools use proper Proof.context instead of
historic type simpset. Old-style declarations like addsimps,
addsimprocs etc. operate directly on Proof.context. Raw type simpset
retains its use as snapshot of the main Simplifier context, using
simpset_of and put_simpset on Proof.context. INCOMPATIBILITY -- port
old tools by making them depend on (ctxt : Proof.context) instead of
(ss : simpset), then turn (simpset_of ctxt) into ctxt.
* Modifiers for classical wrappers (e.g. addWrapper, delWrapper)
operate on Proof.context instead of claset, for uniformity with addIs,
addEs, addDs etc. Note that claset_of and put_claset allow to manage
clasets separately from the context.
* Discontinued obsolete ML antiquotations @{claset} and @{simpset}.
INCOMPATIBILITY, use @{context} instead.
* Antiquotation @{theory_context A} is similar to @{theory A}, but
presents the result as initial Proof.context.
*** System ***
* Discontinued obsolete isabelle usedir, mkdir, make -- superseded by
"isabelle build" in Isabelle2013. INCOMPATIBILITY.
* Discontinued obsolete isabelle-process options -f and -u (former
administrative aliases of option -e). Minor INCOMPATIBILITY.
* Discontinued obsolete isabelle print tool, and PRINT_COMMAND
settings variable.
* Discontinued ISABELLE_DOC_FORMAT settings variable and historic
document formats: dvi.gz, ps, ps.gz -- the default document format is
always pdf.
* Isabelle settings variable ISABELLE_BUILD_JAVA_OPTIONS allows to
specify global resources of the JVM process run by isabelle build.
* Toplevel executable $ISABELLE_HOME/bin/isabelle_scala_script allows
to run Isabelle/Scala source files as standalone programs.
* Improved "isabelle keywords" tool (for old-style ProofGeneral
keyword tables): use Isabelle/Scala operations, which inspect outer
syntax without requiring to build sessions first.
* Sessions may be organized via 'chapter' specifications in the ROOT
file, which determines a two-level hierarchy of browser info. The old
tree-like organization via implicit sub-session relation (with its
tendency towards erratic fluctuation of URLs) has been discontinued.
The default chapter is called "Unsorted". Potential INCOMPATIBILITY
for HTML presentation of theories.
New in Isabelle2013 (February 2013)
-----------------------------------
*** General ***
* Theorem status about oracles and unfinished/failed future proofs is
no longer printed by default, since it is incompatible with
incremental / parallel checking of the persistent document model. ML
function Thm.peek_status may be used to inspect a snapshot of the
ongoing evaluation process. Note that in batch mode --- notably
isabelle build --- the system ensures that future proofs of all
accessible theorems in the theory context are finished (as before).
* Configuration option show_markup controls direct inlining of markup
into the printed representation of formal entities --- notably type
and sort constraints. This enables Prover IDE users to retrieve that
information via tooltips in the output window, for example.
* Command 'ML_file' evaluates ML text from a file directly within the
theory, without any predeclaration via 'uses' in the theory header.
* Old command 'use' command and corresponding keyword 'uses' in the
theory header are legacy features and will be discontinued soon.
Tools that load their additional source files may imitate the
'ML_file' implementation, such that the system can take care of
dependencies properly.
* Discontinued obsolete method fastsimp / tactic fast_simp_tac, which
is called fastforce / fast_force_tac already since Isabelle2011-1.
* Updated and extended "isar-ref" and "implementation" manual, reduced
remaining material in old "ref" manual.
* Improved support for auxiliary contexts that indicate block structure
for specifications. Nesting of "context fixes ... context assumes ..."
and "class ... context ...".
* Attribute "consumes" allows a negative value as well, which is
interpreted relatively to the total number of premises of the rule in
the target context. This form of declaration is stable when exported
from a nested 'context' with additional assumptions. It is the
preferred form for definitional packages, notably cases/rules produced
in HOL/inductive and HOL/function.
* More informative error messages for Isar proof commands involving
lazy enumerations (method applications etc.).
* Refined 'help' command to retrieve outer syntax commands according
to name patterns (with clickable results).
*** Prover IDE -- Isabelle/Scala/jEdit ***
* Parallel terminal proofs ('by') are enabled by default, likewise
proofs that are built into packages like 'datatype', 'function'. This
allows to "run ahead" checking the theory specifications on the
surface, while the prover is still crunching on internal
justifications. Unfinished / cancelled proofs are restarted as
required to complete full proof checking eventually.
* Improved output panel with tooltips, hyperlinks etc. based on the
same Rich_Text_Area as regular Isabelle/jEdit buffers. Activation of
tooltips leads to some window that supports the same recursively,
which can lead to stacks of tooltips as the semantic document content
is explored. ESCAPE closes the whole stack, individual windows may be
closed separately, or detached to become independent jEdit dockables.
* Improved support for commands that produce graph output: the text
message contains a clickable area to open a new instance of the graph
browser on demand.
* More robust incremental parsing of outer syntax (partial comments,
malformed symbols). Changing the balance of open/close quotes and
comment delimiters works more conveniently with unfinished situations
that frequently occur in user interaction.
* More efficient painting and improved reactivity when editing large
files. More scalable management of formal document content.
* Smarter handling of tracing messages: prover process pauses after
certain number of messages per command transaction, with some user
dialog to stop or continue. This avoids swamping the front-end with
potentially infinite message streams.
* More plugin options and preferences, based on Isabelle/Scala. The
jEdit plugin option panel provides access to some Isabelle/Scala
options, including tuning parameters for editor reactivity and color
schemes.
* Dockable window "Symbols" provides some editing support for Isabelle
symbols.
* Dockable window "Monitor" shows ML runtime statistics. Note that
continuous display of the chart slows down the system.
* Improved editing support for control styles: subscript, superscript,
bold, reset of style -- operating on single symbols or text
selections. Cf. keyboard shortcuts C+e DOWN/UP/RIGHT/LEFT.
* Actions isabelle.increase-font-size and isabelle.decrease-font-size
adjust the main text area font size, and its derivatives for output,
tooltips etc. Cf. keyboard shortcuts C-PLUS and C-MINUS, which often
need to be adapted to local keyboard layouts.
* More reactive completion popup by default: use \t (TAB) instead of
\n (NEWLINE) to minimize intrusion into regular flow of editing. See
also "Plugin Options / SideKick / General / Code Completion Options".
* Implicit check and build dialog of the specified logic session
image. For example, HOL, HOLCF, HOL-Nominal can be produced on
demand, without bundling big platform-dependent heap images in the
Isabelle distribution.
* Uniform Java 7 platform on Linux, Mac OS X, Windows: recent updates
from Oracle provide better multi-platform experience. This version is
now bundled exclusively with Isabelle.
*** Pure ***
* Code generation for Haskell: restrict unqualified imports from
Haskell Prelude to a small set of fundamental operations.
* Command 'export_code': relative file names are interpreted
relatively to master directory of current theory rather than the
rather arbitrary current working directory. INCOMPATIBILITY.
* Discontinued obsolete attribute "COMP". Potential INCOMPATIBILITY,
use regular rule composition via "OF" / "THEN", or explicit proof
structure instead. Note that Isabelle/ML provides a variety of
operators like COMP, INCR_COMP, COMP_INCR, which need to be applied
with some care where this is really required.
* Command 'typ' supports an additional variant with explicit sort
constraint, to infer and check the most general type conforming to a
given sort. Example (in HOL):
typ "_ * _ * bool * unit" :: finite
* Command 'locale_deps' visualizes all locales and their relations as
a Hasse diagram.
*** HOL ***
* Sledgehammer:
- Added MaSh relevance filter based on machine-learning; see the
Sledgehammer manual for details.
- Polished Isar proofs generated with "isar_proofs" option.
- Rationalized type encodings ("type_enc" option).
- Renamed "kill_provers" subcommand to "kill_all".
- Renamed options:
isar_proof ~> isar_proofs
isar_shrink_factor ~> isar_shrink
max_relevant ~> max_facts
relevance_thresholds ~> fact_thresholds
* Quickcheck: added an optimisation for equality premises. It is
switched on by default, and can be switched off by setting the
configuration quickcheck_optimise_equality to false.
* Quotient: only one quotient can be defined by quotient_type
INCOMPATIBILITY.
* Lifting:
- generation of an abstraction function equation in lift_definition
- quot_del attribute
- renamed no_abs_code -> no_code (INCOMPATIBILITY.)
* Simproc "finite_Collect" rewrites set comprehensions into pointfree
expressions.
* Preprocessing of the code generator rewrites set comprehensions into
pointfree expressions.
* The SMT solver Z3 has now by default a restricted set of directly
supported features. For the full set of features (div/mod, nonlinear
arithmetic, datatypes/records) with potential proof reconstruction
failures, enable the configuration option "z3_with_extensions". Minor
INCOMPATIBILITY.
* Simplified 'typedef' specifications: historical options for implicit
set definition and alternative name have been discontinued. The
former behavior of "typedef (open) t = A" is now the default, but
written just "typedef t = A". INCOMPATIBILITY, need to adapt theories
accordingly.
* Removed constant "chars"; prefer "Enum.enum" on type "char"
directly. INCOMPATIBILITY.
* Moved operation product, sublists and n_lists from theory Enum to
List. INCOMPATIBILITY.
* Theorem UN_o generalized to SUP_comp. INCOMPATIBILITY.
* Class "comm_monoid_diff" formalises properties of bounded
subtraction, with natural numbers and multisets as typical instances.
* Added combinator "Option.these" with type "'a option set => 'a set".
* Theory "Transitive_Closure": renamed lemmas
reflcl_tranclp -> reflclp_tranclp
rtranclp_reflcl -> rtranclp_reflclp
INCOMPATIBILITY.
* Theory "Rings": renamed lemmas (in class semiring)
left_distrib ~> distrib_right
right_distrib ~> distrib_left
INCOMPATIBILITY.
* Generalized the definition of limits:
- Introduced the predicate filterlim (LIM x F. f x :> G) which
expresses that when the input values x converge to F then the
output f x converges to G.
- Added filters for convergence to positive (at_top) and negative
infinity (at_bot).
- Moved infinity in the norm (at_infinity) from
Multivariate_Analysis to Complex_Main.
- Removed real_tendsto_inf, it is superseded by "LIM x F. f x :>
at_top".
INCOMPATIBILITY.
* Theory "Library/Option_ord" provides instantiation of option type to
lattice type classes.
* Theory "Library/Multiset": renamed
constant fold_mset ~> Multiset.fold
fact fold_mset_commute ~> fold_mset_comm
INCOMPATIBILITY.
* Renamed theory Library/List_Prefix to Library/Sublist, with related
changes as follows.
- Renamed constants (and related lemmas)
prefix ~> prefixeq
strict_prefix ~> prefix
- Replaced constant "postfix" by "suffixeq" with swapped argument
order (i.e., "postfix xs ys" is now "suffixeq ys xs") and dropped
old infix syntax "xs >>= ys"; use "suffixeq ys xs" instead.
Renamed lemmas accordingly.
- Added constant "list_hembeq" for homeomorphic embedding on
lists. Added abbreviation "sublisteq" for special case
"list_hembeq (op =)".
- Theory Library/Sublist no longer provides "order" and "bot" type
class instances for the prefix order (merely corresponding locale
interpretations). The type class instances are now in theory
Library/Prefix_Order.
- The sublist relation of theory Library/Sublist_Order is now based
on "Sublist.sublisteq". Renamed lemmas accordingly:
le_list_append_le_same_iff ~> Sublist.sublisteq_append_le_same_iff
le_list_append_mono ~> Sublist.list_hembeq_append_mono
le_list_below_empty ~> Sublist.list_hembeq_Nil, Sublist.list_hembeq_Nil2
le_list_Cons_EX ~> Sublist.list_hembeq_ConsD
le_list_drop_Cons2 ~> Sublist.sublisteq_Cons2'
le_list_drop_Cons_neq ~> Sublist.sublisteq_Cons2_neq
le_list_drop_Cons ~> Sublist.sublisteq_Cons'
le_list_drop_many ~> Sublist.sublisteq_drop_many
le_list_filter_left ~> Sublist.sublisteq_filter_left
le_list_rev_drop_many ~> Sublist.sublisteq_rev_drop_many
le_list_rev_take_iff ~> Sublist.sublisteq_append
le_list_same_length ~> Sublist.sublisteq_same_length
le_list_take_many_iff ~> Sublist.sublisteq_append'
less_eq_list.drop ~> less_eq_list_drop
less_eq_list.induct ~> less_eq_list_induct
not_le_list_length ~> Sublist.not_sublisteq_length
INCOMPATIBILITY.
* New theory Library/Countable_Set.
* Theory Library/Debug and Library/Parallel provide debugging and
parallel execution for code generated towards Isabelle/ML.
* Theory Library/FuncSet: Extended support for Pi and extensional and
introduce the extensional dependent function space "PiE". Replaced
extensional_funcset by an abbreviation, and renamed lemmas from
extensional_funcset to PiE as follows:
extensional_empty ~> PiE_empty
extensional_funcset_empty_domain ~> PiE_empty_domain
extensional_funcset_empty_range ~> PiE_empty_range
extensional_funcset_arb ~> PiE_arb
extensional_funcset_mem ~> PiE_mem
extensional_funcset_extend_domainI ~> PiE_fun_upd
extensional_funcset_restrict_domain ~> fun_upd_in_PiE
extensional_funcset_extend_domain_eq ~> PiE_insert_eq
card_extensional_funcset ~> card_PiE
finite_extensional_funcset ~> finite_PiE
INCOMPATIBILITY.
* Theory Library/FinFun: theory of almost everywhere constant
functions (supersedes the AFP entry "Code Generation for Functions as
Data").
* Theory Library/Phantom: generic phantom type to make a type
parameter appear in a constant's type. This alternative to adding
TYPE('a) as another parameter avoids unnecessary closures in generated
code.
* Theory Library/RBT_Impl: efficient construction of red-black trees
from sorted associative lists. Merging two trees with rbt_union may
return a structurally different tree than before. Potential
INCOMPATIBILITY.
* Theory Library/IArray: immutable arrays with code generation.
* Theory Library/Finite_Lattice: theory of finite lattices.
* HOL/Multivariate_Analysis: replaced
"basis :: 'a::euclidean_space => nat => real"
"\<Chi>\<Chi> :: (nat => real) => 'a::euclidean_space"
on euclidean spaces by using the inner product "_ \<bullet> _" with
vectors from the Basis set: "\<Chi>\<Chi> i. f i" is superseded by
"SUM i : Basis. f i * r i".
With this change the following constants are also changed or removed:
DIM('a) :: nat ~> card (Basis :: 'a set) (is an abbreviation)
a $$ i ~> inner a i (where i : Basis)
cart_base i removed
\<pi>, \<pi>' removed
Theorems about these constants where removed.
Renamed lemmas:
component_le_norm ~> Basis_le_norm
euclidean_eq ~> euclidean_eq_iff
differential_zero_maxmin_component ~> differential_zero_maxmin_cart
euclidean_simps ~> inner_simps
independent_basis ~> independent_Basis
span_basis ~> span_Basis
in_span_basis ~> in_span_Basis
norm_bound_component_le ~> norm_boound_Basis_le
norm_bound_component_lt ~> norm_boound_Basis_lt
component_le_infnorm ~> Basis_le_infnorm
INCOMPATIBILITY.
* HOL/Probability:
- Added simproc "measurable" to automatically prove measurability.
- Added induction rules for sigma sets with disjoint union
(sigma_sets_induct_disjoint) and for Borel-measurable functions
(borel_measurable_induct).
- Added the Daniell-Kolmogorov theorem (the existence the limit of a
projective family).
* HOL/Cardinals: Theories of ordinals and cardinals (supersedes the
AFP entry "Ordinals_and_Cardinals").
* HOL/BNF: New (co)datatype package based on bounded natural functors
with support for mixed, nested recursion and interesting non-free
datatypes.
* HOL/Finite_Set and Relation: added new set and relation operations
expressed by Finite_Set.fold.
* New theory HOL/Library/RBT_Set: implementation of sets by red-black
trees for the code generator.
* HOL/Library/RBT and HOL/Library/Mapping have been converted to
Lifting/Transfer.
possible INCOMPATIBILITY.
* HOL/Set: renamed Set.project -> Set.filter
INCOMPATIBILITY.
*** Document preparation ***
* Dropped legacy antiquotations "term_style" and "thm_style", since
styles may be given as arguments to "term" and "thm" already.
Discontinued legacy styles "prem1" .. "prem19".
* Default LaTeX rendering for \<euro> is now based on eurosym package,
instead of slightly exotic babel/greek.
* Document variant NAME may use different LaTeX entry point
document/root_NAME.tex if that file exists, instead of the common
document/root.tex.
* Simplified custom document/build script, instead of old-style
document/IsaMakefile. Minor INCOMPATIBILITY.
*** ML ***
* The default limit for maximum number of worker threads is now 8,
instead of 4, in correspondence to capabilities of contemporary
hardware and Poly/ML runtime system.
* Type Seq.results and related operations support embedded error
messages within lazy enumerations, and thus allow to provide
informative errors in the absence of any usable results.
* Renamed Position.str_of to Position.here to emphasize that this is a
formal device to inline positions into message text, but not
necessarily printing visible text.
*** System ***
* Advanced support for Isabelle sessions and build management, see
"system" manual for the chapter of that name, especially the "isabelle
build" tool and its examples. The "isabelle mkroot" tool prepares
session root directories for use with "isabelle build", similar to
former "isabelle mkdir" for "isabelle usedir". Note that this affects
document preparation as well. INCOMPATIBILITY, isabelle usedir /
mkdir / make are rendered obsolete.
* Discontinued obsolete Isabelle/build script, it is superseded by the
regular isabelle build tool. For example:
isabelle build -s -b HOL
* Discontinued obsolete "isabelle makeall".
* Discontinued obsolete IsaMakefile and ROOT.ML files from the
Isabelle distribution, except for rudimentary src/HOL/IsaMakefile that
provides some traditional targets that invoke "isabelle build". Note
that this is inefficient! Applications of Isabelle/HOL involving
"isabelle make" should be upgraded to use "isabelle build" directly.
* The "isabelle options" tool prints Isabelle system options, as
required for "isabelle build", for example.
* The "isabelle logo" tool produces EPS and PDF format simultaneously.
Minor INCOMPATIBILITY in command-line options.
* The "isabelle install" tool has now a simpler command-line. Minor
INCOMPATIBILITY.
* The "isabelle components" tool helps to resolve add-on components
that are not bundled, or referenced from a bare-bones repository
version of Isabelle.
* Settings variable ISABELLE_PLATFORM_FAMILY refers to the general
platform family: "linux", "macos", "windows".
* The ML system is configured as regular component, and no longer
picked up from some surrounding directory. Potential INCOMPATIBILITY
for home-made settings.
* Improved ML runtime statistics (heap, threads, future tasks etc.).
* Discontinued support for Poly/ML 5.2.1, which was the last version
without exception positions and advanced ML compiler/toplevel
configuration.
* Discontinued special treatment of Proof General -- no longer guess
PROOFGENERAL_HOME based on accidental file-system layout. Minor
INCOMPATIBILITY: provide PROOFGENERAL_HOME and PROOFGENERAL_OPTIONS
settings manually, or use a Proof General version that has been
bundled as Isabelle component.
New in Isabelle2012 (May 2012)
------------------------------
*** General ***
* Prover IDE (PIDE) improvements:
- more robust Sledgehammer integration (as before the sledgehammer
command-line needs to be typed into the source buffer)
- markup for bound variables
- markup for types of term variables (displayed as tooltips)
- support for user-defined Isar commands within the running session
- improved support for Unicode outside original 16bit range
e.g. glyph for \<A> (thanks to jEdit 4.5.1)
* Forward declaration of outer syntax keywords within the theory
header -- minor INCOMPATIBILITY for user-defined commands. Allow new
commands to be used in the same theory where defined.
* Auxiliary contexts indicate block structure for specifications with
additional parameters and assumptions. Such unnamed contexts may be
nested within other targets, like 'theory', 'locale', 'class',
'instantiation' etc. Results from the local context are generalized
accordingly and applied to the enclosing target context. Example:
context
fixes x y z :: 'a
assumes xy: "x = y" and yz: "y = z"
begin
lemma my_trans: "x = z" using xy yz by simp
end
thm my_trans
The most basic application is to factor-out context elements of
several fixes/assumes/shows theorem statements, e.g. see
~~/src/HOL/Isar_Examples/Group_Context.thy
Any other local theory specification element works within the "context
... begin ... end" block as well.
* Bundled declarations associate attributed fact expressions with a
given name in the context. These may be later included in other
contexts. This allows to manage context extensions casually, without
the logical dependencies of locales and locale interpretation. See
commands 'bundle', 'include', 'including' etc. in the isar-ref manual.
* Commands 'lemmas' and 'theorems' allow local variables using 'for'
declaration, and results are standardized before being stored. Thus
old-style "standard" after instantiation or composition of facts
becomes obsolete. Minor INCOMPATIBILITY, due to potential change of
indices of schematic variables.
* Rule attributes in local theory declarations (e.g. locale or class)
are now statically evaluated: the resulting theorem is stored instead
of the original expression. INCOMPATIBILITY in rare situations, where
the historic accident of dynamic re-evaluation in interpretations
etc. was exploited.
* New tutorial "Programming and Proving in Isabelle/HOL"
("prog-prove"). It completely supersedes "A Tutorial Introduction to
Structured Isar Proofs" ("isar-overview"), which has been removed. It
also supersedes "Isabelle/HOL, A Proof Assistant for Higher-Order
Logic" as the recommended beginners tutorial, but does not cover all
of the material of that old tutorial.
* Updated and extended reference manuals: "isar-ref",
"implementation", "system"; reduced remaining material in old "ref"
manual.
*** Pure ***
* Command 'definition' no longer exports the foundational "raw_def"
into the user context. Minor INCOMPATIBILITY, may use the regular
"def" result with attribute "abs_def" to imitate the old version.
* Attribute "abs_def" turns an equation of the form "f x y == t" into
"f == %x y. t", which ensures that "simp" or "unfold" steps always
expand it. This also works for object-logic equality. (Formerly
undocumented feature.)
* Sort constraints are now propagated in simultaneous statements, just
like type constraints. INCOMPATIBILITY in rare situations, where
distinct sorts used to be assigned accidentally. For example:
lemma "P (x::'a::foo)" and "Q (y::'a::bar)" -- "now illegal"
lemma "P (x::'a)" and "Q (y::'a::bar)"
-- "now uniform 'a::bar instead of default sort for first occurrence (!)"
* Rule composition via attribute "OF" (or ML functions OF/MRS) is more
tolerant against multiple unifiers, as long as the final result is
unique. (As before, rules are composed in canonical right-to-left
order to accommodate newly introduced premises.)
* Renamed some inner syntax categories:
num ~> num_token
xnum ~> xnum_token
xstr ~> str_token
Minor INCOMPATIBILITY. Note that in practice "num_const" or
"num_position" etc. are mainly used instead (which also include
position information via constraints).
* Simplified configuration options for syntax ambiguity: see
"syntax_ambiguity_warning" and "syntax_ambiguity_limit" in isar-ref
manual. Minor INCOMPATIBILITY.
* Discontinued configuration option "syntax_positions": atomic terms
in parse trees are always annotated by position constraints.
* Old code generator for SML and its commands 'code_module',
'code_library', 'consts_code', 'types_code' have been discontinued.
Use commands of the generic code generator instead. INCOMPATIBILITY.
* Redundant attribute "code_inline" has been discontinued. Use
"code_unfold" instead. INCOMPATIBILITY.
* Dropped attribute "code_unfold_post" in favor of the its dual
"code_abbrev", which yields a common pattern in definitions like
definition [code_abbrev]: "f = t"
INCOMPATIBILITY.
* Obsolete 'types' command has been discontinued. Use 'type_synonym'
instead. INCOMPATIBILITY.
* Discontinued old "prems" fact, which used to refer to the accidental
collection of foundational premises in the context (already marked as
legacy since Isabelle2011).
*** HOL ***
* Type 'a set is now a proper type constructor (just as before
Isabelle2008). Definitions mem_def and Collect_def have disappeared.
Non-trivial INCOMPATIBILITY. For developments keeping predicates and
sets separate, it is often sufficient to rephrase some set S that has
been accidentally used as predicates by "%x. x : S", and some
predicate P that has been accidentally used as set by "{x. P x}".
Corresponding proofs in a first step should be pruned from any
tinkering with former theorems mem_def and Collect_def as far as
possible.
For developments which deliberately mix predicates and sets, a
planning step is necessary to determine what should become a predicate
and what a set. It can be helpful to carry out that step in
Isabelle2011-1 before jumping right into the current release.
* Code generation by default implements sets as container type rather
than predicates. INCOMPATIBILITY.
* New type synonym 'a rel = ('a * 'a) set
* The representation of numerals has changed. Datatype "num"
represents strictly positive binary numerals, along with functions
"numeral :: num => 'a" and "neg_numeral :: num => 'a" to represent
positive and negated numeric literals, respectively. See also
definitions in ~~/src/HOL/Num.thy. Potential INCOMPATIBILITY, some
user theories may require adaptations as follows:
- Theorems with number_ring or number_semiring constraints: These
classes are gone; use comm_ring_1 or comm_semiring_1 instead.
- Theories defining numeric types: Remove number, number_semiring,
and number_ring instances. Defer all theorems about numerals until
after classes one and semigroup_add have been instantiated.
- Numeral-only simp rules: Replace each rule having a "number_of v"
pattern with two copies, one for numeral and one for neg_numeral.
- Theorems about subclasses of semiring_1 or ring_1: These classes
automatically support numerals now, so more simp rules and
simprocs may now apply within the proof.
- Definitions and theorems using old constructors Pls/Min/Bit0/Bit1:
Redefine using other integer operations.
* Transfer: New package intended to generalize the existing
"descending" method and related theorem attributes from the Quotient
package. (Not all functionality is implemented yet, but future
development will focus on Transfer as an eventual replacement for the
corresponding parts of the Quotient package.)
- transfer_rule attribute: Maintains a collection of transfer rules,
which relate constants at two different types. Transfer rules may
relate different type instances of the same polymorphic constant,
or they may relate an operation on a raw type to a corresponding
operation on an abstract type (quotient or subtype). For example:
((A ===> B) ===> list_all2 A ===> list_all2 B) map map
(cr_int ===> cr_int ===> cr_int) (%(x,y) (u,v). (x+u, y+v)) plus_int
- transfer method: Replaces a subgoal on abstract types with an
equivalent subgoal on the corresponding raw types. Constants are
replaced with corresponding ones according to the transfer rules.
Goals are generalized over all free variables by default; this is
necessary for variables whose types change, but can be overridden
for specific variables with e.g. "transfer fixing: x y z". The
variant transfer' method allows replacing a subgoal with one that
is logically stronger (rather than equivalent).
- relator_eq attribute: Collects identity laws for relators of
various type constructors, e.g. "list_all2 (op =) = (op =)". The
transfer method uses these lemmas to infer transfer rules for
non-polymorphic constants on the fly.
- transfer_prover method: Assists with proving a transfer rule for a
new constant, provided the constant is defined in terms of other
constants that already have transfer rules. It should be applied
after unfolding the constant definitions.
- HOL/ex/Transfer_Int_Nat.thy: Example theory demonstrating transfer
from type nat to type int.
* Lifting: New package intended to generalize the quotient_definition
facility of the Quotient package; designed to work with Transfer.
- lift_definition command: Defines operations on an abstract type in
terms of a corresponding operation on a representation
type. Example syntax:
lift_definition dlist_insert :: "'a => 'a dlist => 'a dlist"
is List.insert
Users must discharge a respectfulness proof obligation when each
constant is defined. (For a type copy, i.e. a typedef with UNIV,
the proof is discharged automatically.) The obligation is
presented in a user-friendly, readable form; a respectfulness
theorem in the standard format and a transfer rule are generated
by the package.
- Integration with code_abstype: For typedefs (e.g. subtypes
corresponding to a datatype invariant, such as dlist),
lift_definition generates a code certificate theorem and sets up
code generation for each constant.
- setup_lifting command: Sets up the Lifting package to work with a
user-defined type. The user must provide either a quotient theorem
or a type_definition theorem. The package configures transfer
rules for equality and quantifiers on the type, and sets up the
lift_definition command to work with the type.
- Usage examples: See Quotient_Examples/Lift_DList.thy,
Quotient_Examples/Lift_RBT.thy, Quotient_Examples/Lift_FSet.thy,
Word/Word.thy and Library/Float.thy.
* Quotient package:
- The 'quotient_type' command now supports a 'morphisms' option with
rep and abs functions, similar to typedef.
- 'quotient_type' sets up new types to work with the Lifting and
Transfer packages, as with 'setup_lifting'.
- The 'quotient_definition' command now requires the user to prove a
respectfulness property at the point where the constant is
defined, similar to lift_definition; INCOMPATIBILITY.
- Renamed predicate 'Quotient' to 'Quotient3', and renamed theorems
accordingly, INCOMPATIBILITY.
* New diagnostic command 'find_unused_assms' to find potentially
superfluous assumptions in theorems using Quickcheck.
* Quickcheck:
- Quickcheck returns variable assignments as counterexamples, which
allows to reveal the underspecification of functions under test.
For example, refuting "hd xs = x", it presents the variable
assignment xs = [] and x = a1 as a counterexample, assuming that
any property is false whenever "hd []" occurs in it.
These counterexample are marked as potentially spurious, as
Quickcheck also returns "xs = []" as a counterexample to the
obvious theorem "hd xs = hd xs".
After finding a potentially spurious counterexample, Quickcheck
continues searching for genuine ones.
By default, Quickcheck shows potentially spurious and genuine
counterexamples. The option "genuine_only" sets quickcheck to only
show genuine counterexamples.
- The command 'quickcheck_generator' creates random and exhaustive
value generators for a given type and operations.
It generates values by using the operations as if they were
constructors of that type.
- Support for multisets.
- Added "use_subtype" options.
- Added "quickcheck_locale" configuration to specify how to process
conjectures in a locale context.
* Nitpick: Fixed infinite loop caused by the 'peephole_optim' option
and affecting 'rat' and 'real'.
* Sledgehammer:
- Integrated more tightly with SPASS, as described in the ITP 2012
paper "More SPASS with Isabelle".
- Made it try "smt" as a fallback if "metis" fails or times out.
- Added support for the following provers: Alt-Ergo (via Why3 and
TFF1), iProver, iProver-Eq.
- Sped up the minimizer.
- Added "lam_trans", "uncurry_aliases", and "minimize" options.
- Renamed "slicing" ("no_slicing") option to "slice" ("dont_slice").
- Renamed "sound" option to "strict".
* Metis: Added possibility to specify lambda translations scheme as a
parenthesized argument (e.g., "by (metis (lifting) ...)").
* SMT: Renamed "smt_fixed" option to "smt_read_only_certificates".
* Command 'try0': Renamed from 'try_methods'. INCOMPATIBILITY.
* New "case_product" attribute to generate a case rule doing multiple
case distinctions at the same time. E.g.
list.exhaust [case_product nat.exhaust]
produces a rule which can be used to perform case distinction on both
a list and a nat.
* New "eventually_elim" method as a generalized variant of the
eventually_elim* rules. Supports structured proofs.
* Typedef with implicit set definition is considered legacy. Use
"typedef (open)" form instead, which will eventually become the
default.
* Record: code generation can be switched off manually with
declare [[record_coden = false]] -- "default true"
* Datatype: type parameters allow explicit sort constraints.
* Concrete syntax for case expressions includes constraints for source
positions, and thus produces Prover IDE markup for its bindings.
INCOMPATIBILITY for old-style syntax translations that augment the
pattern notation; e.g. see src/HOL/HOLCF/One.thy for translations of
one_case.
* Clarified attribute "mono_set": pure declaration without modifying
the result of the fact expression.
* More default pred/set conversions on a couple of relation operations
and predicates. Added powers of predicate relations. Consolidation
of some relation theorems:
converse_def ~> converse_unfold
rel_comp_def ~> relcomp_unfold
symp_def ~> (modified, use symp_def and sym_def instead)
transp_def ~> transp_trans
Domain_def ~> Domain_unfold
Range_def ~> Domain_converse [symmetric]
Generalized theorems INF_INT_eq, INF_INT_eq2, SUP_UN_eq, SUP_UN_eq2.
See theory "Relation" for examples for making use of pred/set
conversions by means of attributes "to_set" and "to_pred".
INCOMPATIBILITY.
* Renamed facts about the power operation on relations, i.e., relpow
to match the constant's name:
rel_pow_1 ~> relpow_1
rel_pow_0_I ~> relpow_0_I
rel_pow_Suc_I ~> relpow_Suc_I
rel_pow_Suc_I2 ~> relpow_Suc_I2
rel_pow_0_E ~> relpow_0_E
rel_pow_Suc_E ~> relpow_Suc_E
rel_pow_E ~> relpow_E
rel_pow_Suc_D2 ~> relpow_Suc_D2
rel_pow_Suc_E2 ~> relpow_Suc_E2
rel_pow_Suc_D2' ~> relpow_Suc_D2'
rel_pow_E2 ~> relpow_E2
rel_pow_add ~> relpow_add
rel_pow_commute ~> relpow
rel_pow_empty ~> relpow_empty:
rtrancl_imp_UN_rel_pow ~> rtrancl_imp_UN_relpow
rel_pow_imp_rtrancl ~> relpow_imp_rtrancl
rtrancl_is_UN_rel_pow ~> rtrancl_is_UN_relpow
rtrancl_imp_rel_pow ~> rtrancl_imp_relpow
rel_pow_fun_conv ~> relpow_fun_conv
rel_pow_finite_bounded1 ~> relpow_finite_bounded1
rel_pow_finite_bounded ~> relpow_finite_bounded
rtrancl_finite_eq_rel_pow ~> rtrancl_finite_eq_relpow
trancl_finite_eq_rel_pow ~> trancl_finite_eq_relpow
single_valued_rel_pow ~> single_valued_relpow
INCOMPATIBILITY.
* Theory Relation: Consolidated constant name for relation composition
and corresponding theorem names:
- Renamed constant rel_comp to relcomp.
- Dropped abbreviation pred_comp. Use relcompp instead.
- Renamed theorems:
rel_compI ~> relcompI
rel_compEpair ~> relcompEpair
rel_compE ~> relcompE
pred_comp_rel_comp_eq ~> relcompp_relcomp_eq
rel_comp_empty1 ~> relcomp_empty1
rel_comp_mono ~> relcomp_mono
rel_comp_subset_Sigma ~> relcomp_subset_Sigma
rel_comp_distrib ~> relcomp_distrib
rel_comp_distrib2 ~> relcomp_distrib2
rel_comp_UNION_distrib ~> relcomp_UNION_distrib
rel_comp_UNION_distrib2 ~> relcomp_UNION_distrib2
single_valued_rel_comp ~> single_valued_relcomp
rel_comp_def ~> relcomp_unfold
converse_rel_comp ~> converse_relcomp
pred_compI ~> relcomppI
pred_compE ~> relcomppE
pred_comp_bot1 ~> relcompp_bot1
pred_comp_bot2 ~> relcompp_bot2
transp_pred_comp_less_eq ~> transp_relcompp_less_eq
pred_comp_mono ~> relcompp_mono
pred_comp_distrib ~> relcompp_distrib
pred_comp_distrib2 ~> relcompp_distrib2
converse_pred_comp ~> converse_relcompp
finite_rel_comp ~> finite_relcomp
set_rel_comp ~> set_relcomp
INCOMPATIBILITY.
* Theory Divides: Discontinued redundant theorems about div and mod.
INCOMPATIBILITY, use the corresponding generic theorems instead.
DIVISION_BY_ZERO ~> div_by_0, mod_by_0
zdiv_self ~> div_self
zmod_self ~> mod_self
zdiv_zero ~> div_0
zmod_zero ~> mod_0
zdiv_zmod_equality ~> div_mod_equality2
zdiv_zmod_equality2 ~> div_mod_equality
zmod_zdiv_trivial ~> mod_div_trivial
zdiv_zminus_zminus ~> div_minus_minus
zmod_zminus_zminus ~> mod_minus_minus
zdiv_zminus2 ~> div_minus_right
zmod_zminus2 ~> mod_minus_right
zdiv_minus1_right ~> div_minus1_right
zmod_minus1_right ~> mod_minus1_right
zdvd_mult_div_cancel ~> dvd_mult_div_cancel
zmod_zmult1_eq ~> mod_mult_right_eq
zpower_zmod ~> power_mod
zdvd_zmod ~> dvd_mod
zdvd_zmod_imp_zdvd ~> dvd_mod_imp_dvd
mod_mult_distrib ~> mult_mod_left
mod_mult_distrib2 ~> mult_mod_right
* Removed redundant theorems nat_mult_2 and nat_mult_2_right; use
generic mult_2 and mult_2_right instead. INCOMPATIBILITY.
* Finite_Set.fold now qualified. INCOMPATIBILITY.
* Consolidated theorem names concerning fold combinators:
inf_INFI_fold_inf ~> inf_INF_fold_inf
sup_SUPR_fold_sup ~> sup_SUP_fold_sup
INFI_fold_inf ~> INF_fold_inf
SUPR_fold_sup ~> SUP_fold_sup
union_set ~> union_set_fold
minus_set ~> minus_set_fold
INFI_set_fold ~> INF_set_fold
SUPR_set_fold ~> SUP_set_fold
INF_code ~> INF_set_foldr
SUP_code ~> SUP_set_foldr
foldr.simps ~> foldr.simps (in point-free formulation)
foldr_fold_rev ~> foldr_conv_fold
foldl_fold ~> foldl_conv_fold
foldr_foldr ~> foldr_conv_foldl
foldl_foldr ~> foldl_conv_foldr
fold_set_remdups ~> fold_set_fold_remdups
fold_set ~> fold_set_fold
fold1_set ~> fold1_set_fold
INCOMPATIBILITY.
* Dropped rarely useful theorems concerning fold combinators:
foldl_apply, foldl_fun_comm, foldl_rev, fold_weak_invariant,
rev_foldl_cons, fold_set_remdups, fold_set, fold_set1,
concat_conv_foldl, foldl_weak_invariant, foldl_invariant,
foldr_invariant, foldl_absorb0, foldl_foldr1_lemma, foldl_foldr1,
listsum_conv_fold, listsum_foldl, sort_foldl_insort, foldl_assoc,
foldr_conv_foldl, start_le_sum, elem_le_sum, sum_eq_0_conv.
INCOMPATIBILITY. For the common phrases "%xs. List.foldr plus xs 0"
and "List.foldl plus 0", prefer "List.listsum". Otherwise it can be
useful to boil down "List.foldr" and "List.foldl" to "List.fold" by
unfolding "foldr_conv_fold" and "foldl_conv_fold".
* Dropped lemmas minus_set_foldr, union_set_foldr, union_coset_foldr,
inter_coset_foldr, Inf_fin_set_foldr, Sup_fin_set_foldr,
Min_fin_set_foldr, Max_fin_set_foldr, Inf_set_foldr, Sup_set_foldr,
INF_set_foldr, SUP_set_foldr. INCOMPATIBILITY. Prefer corresponding
lemmas over fold rather than foldr, or make use of lemmas
fold_conv_foldr and fold_rev.
* Congruence rules Option.map_cong and Option.bind_cong for recursion
through option types.
* "Transitive_Closure.ntrancl": bounded transitive closure on
relations.
* Constant "Set.not_member" now qualified. INCOMPATIBILITY.
* Theory Int: Discontinued many legacy theorems specific to type int.
INCOMPATIBILITY, use the corresponding generic theorems instead.
zminus_zminus ~> minus_minus
zminus_0 ~> minus_zero
zminus_zadd_distrib ~> minus_add_distrib
zadd_commute ~> add_commute
zadd_assoc ~> add_assoc
zadd_left_commute ~> add_left_commute
zadd_ac ~> add_ac
zmult_ac ~> mult_ac
zadd_0 ~> add_0_left
zadd_0_right ~> add_0_right
zadd_zminus_inverse2 ~> left_minus
zmult_zminus ~> mult_minus_left
zmult_commute ~> mult_commute
zmult_assoc ~> mult_assoc
zadd_zmult_distrib ~> left_distrib
zadd_zmult_distrib2 ~> right_distrib
zdiff_zmult_distrib ~> left_diff_distrib
zdiff_zmult_distrib2 ~> right_diff_distrib
zmult_1 ~> mult_1_left
zmult_1_right ~> mult_1_right
zle_refl ~> order_refl
zle_trans ~> order_trans
zle_antisym ~> order_antisym
zle_linear ~> linorder_linear
zless_linear ~> linorder_less_linear
zadd_left_mono ~> add_left_mono
zadd_strict_right_mono ~> add_strict_right_mono
zadd_zless_mono ~> add_less_le_mono
int_0_less_1 ~> zero_less_one
int_0_neq_1 ~> zero_neq_one
zless_le ~> less_le
zpower_zadd_distrib ~> power_add
zero_less_zpower_abs_iff ~> zero_less_power_abs_iff
zero_le_zpower_abs ~> zero_le_power_abs
* Theory Deriv: Renamed
DERIV_nonneg_imp_nonincreasing ~> DERIV_nonneg_imp_nondecreasing
* Theory Library/Multiset: Improved code generation of multisets.
* Theory HOL/Library/Set_Algebras: Addition and multiplication on sets
are expressed via type classes again. The special syntax
\<oplus>/\<otimes> has been replaced by plain +/*. Removed constant
setsum_set, which is now subsumed by Big_Operators.setsum.
INCOMPATIBILITY.
* Theory HOL/Library/Diagonalize has been removed. INCOMPATIBILITY,
use theory HOL/Library/Nat_Bijection instead.
* Theory HOL/Library/RBT_Impl: Backing implementation of red-black
trees is now inside a type class context. Names of affected
operations and lemmas have been prefixed by rbt_. INCOMPATIBILITY for
theories working directly with raw red-black trees, adapt the names as
follows:
Operations:
bulkload -> rbt_bulkload
del_from_left -> rbt_del_from_left
del_from_right -> rbt_del_from_right
del -> rbt_del
delete -> rbt_delete
ins -> rbt_ins
insert -> rbt_insert
insertw -> rbt_insert_with
insert_with_key -> rbt_insert_with_key
map_entry -> rbt_map_entry
lookup -> rbt_lookup
sorted -> rbt_sorted
tree_greater -> rbt_greater
tree_less -> rbt_less
tree_less_symbol -> rbt_less_symbol
union -> rbt_union
union_with -> rbt_union_with
union_with_key -> rbt_union_with_key
Lemmas:
balance_left_sorted -> balance_left_rbt_sorted
balance_left_tree_greater -> balance_left_rbt_greater
balance_left_tree_less -> balance_left_rbt_less
balance_right_sorted -> balance_right_rbt_sorted
balance_right_tree_greater -> balance_right_rbt_greater
balance_right_tree_less -> balance_right_rbt_less
balance_sorted -> balance_rbt_sorted
balance_tree_greater -> balance_rbt_greater
balance_tree_less -> balance_rbt_less
bulkload_is_rbt -> rbt_bulkload_is_rbt
combine_sorted -> combine_rbt_sorted
combine_tree_greater -> combine_rbt_greater
combine_tree_less -> combine_rbt_less
delete_in_tree -> rbt_delete_in_tree
delete_is_rbt -> rbt_delete_is_rbt
del_from_left_tree_greater -> rbt_del_from_left_rbt_greater
del_from_left_tree_less -> rbt_del_from_left_rbt_less
del_from_right_tree_greater -> rbt_del_from_right_rbt_greater
del_from_right_tree_less -> rbt_del_from_right_rbt_less
del_in_tree -> rbt_del_in_tree
del_inv1_inv2 -> rbt_del_inv1_inv2
del_sorted -> rbt_del_rbt_sorted
del_tree_greater -> rbt_del_rbt_greater
del_tree_less -> rbt_del_rbt_less
dom_lookup_Branch -> dom_rbt_lookup_Branch
entries_lookup -> entries_rbt_lookup
finite_dom_lookup -> finite_dom_rbt_lookup
insert_sorted -> rbt_insert_rbt_sorted
insertw_is_rbt -> rbt_insertw_is_rbt
insertwk_is_rbt -> rbt_insertwk_is_rbt
insertwk_sorted -> rbt_insertwk_rbt_sorted
insertw_sorted -> rbt_insertw_rbt_sorted
ins_sorted -> ins_rbt_sorted
ins_tree_greater -> ins_rbt_greater
ins_tree_less -> ins_rbt_less
is_rbt_sorted -> is_rbt_rbt_sorted
lookup_balance -> rbt_lookup_balance
lookup_bulkload -> rbt_lookup_rbt_bulkload
lookup_delete -> rbt_lookup_rbt_delete
lookup_Empty -> rbt_lookup_Empty
lookup_from_in_tree -> rbt_lookup_from_in_tree
lookup_in_tree -> rbt_lookup_in_tree
lookup_ins -> rbt_lookup_ins
lookup_insert -> rbt_lookup_rbt_insert
lookup_insertw -> rbt_lookup_rbt_insertw
lookup_insertwk -> rbt_lookup_rbt_insertwk
lookup_keys -> rbt_lookup_keys
lookup_map -> rbt_lookup_map
lookup_map_entry -> rbt_lookup_rbt_map_entry
lookup_tree_greater -> rbt_lookup_rbt_greater
lookup_tree_less -> rbt_lookup_rbt_less
lookup_union -> rbt_lookup_rbt_union
map_entry_color_of -> rbt_map_entry_color_of
map_entry_inv1 -> rbt_map_entry_inv1
map_entry_inv2 -> rbt_map_entry_inv2
map_entry_is_rbt -> rbt_map_entry_is_rbt
map_entry_sorted -> rbt_map_entry_rbt_sorted
map_entry_tree_greater -> rbt_map_entry_rbt_greater
map_entry_tree_less -> rbt_map_entry_rbt_less
map_tree_greater -> map_rbt_greater
map_tree_less -> map_rbt_less
map_sorted -> map_rbt_sorted
paint_sorted -> paint_rbt_sorted
paint_lookup -> paint_rbt_lookup
paint_tree_greater -> paint_rbt_greater
paint_tree_less -> paint_rbt_less
sorted_entries -> rbt_sorted_entries
tree_greater_eq_trans -> rbt_greater_eq_trans
tree_greater_nit -> rbt_greater_nit
tree_greater_prop -> rbt_greater_prop
tree_greater_simps -> rbt_greater_simps
tree_greater_trans -> rbt_greater_trans
tree_less_eq_trans -> rbt_less_eq_trans
tree_less_nit -> rbt_less_nit
tree_less_prop -> rbt_less_prop
tree_less_simps -> rbt_less_simps
tree_less_trans -> rbt_less_trans
tree_ord_props -> rbt_ord_props
union_Branch -> rbt_union_Branch
union_is_rbt -> rbt_union_is_rbt
unionw_is_rbt -> rbt_unionw_is_rbt
unionwk_is_rbt -> rbt_unionwk_is_rbt
unionwk_sorted -> rbt_unionwk_rbt_sorted
* Theory HOL/Library/Float: Floating point numbers are now defined as
a subset of the real numbers. All operations are defined using the
lifing-framework and proofs use the transfer method. INCOMPATIBILITY.
Changed Operations:
float_abs -> abs
float_nprt -> nprt
float_pprt -> pprt
pow2 -> use powr
round_down -> float_round_down
round_up -> float_round_up
scale -> exponent
Removed Operations:
ceiling_fl, lb_mult, lb_mod, ub_mult, ub_mod
Renamed Lemmas:
abs_float_def -> Float.compute_float_abs
bitlen_ge0 -> bitlen_nonneg
bitlen.simps -> Float.compute_bitlen
float_components -> Float_mantissa_exponent
float_divl.simps -> Float.compute_float_divl
float_divr.simps -> Float.compute_float_divr
float_eq_odd -> mult_powr_eq_mult_powr_iff
float_power -> real_of_float_power
lapprox_posrat_def -> Float.compute_lapprox_posrat
lapprox_rat.simps -> Float.compute_lapprox_rat
le_float_def' -> Float.compute_float_le
le_float_def -> less_eq_float.rep_eq
less_float_def' -> Float.compute_float_less
less_float_def -> less_float.rep_eq
normfloat_def -> Float.compute_normfloat
normfloat_imp_odd_or_zero -> mantissa_not_dvd and mantissa_noteq_0
normfloat -> normfloat_def
normfloat_unique -> use normfloat_def
number_of_float_Float -> Float.compute_float_numeral, Float.compute_float_neg_numeral
one_float_def -> Float.compute_float_one
plus_float_def -> Float.compute_float_plus
rapprox_posrat_def -> Float.compute_rapprox_posrat
rapprox_rat.simps -> Float.compute_rapprox_rat
real_of_float_0 -> zero_float.rep_eq
real_of_float_1 -> one_float.rep_eq
real_of_float_abs -> abs_float.rep_eq
real_of_float_add -> plus_float.rep_eq
real_of_float_minus -> uminus_float.rep_eq
real_of_float_mult -> times_float.rep_eq
real_of_float_simp -> Float.rep_eq
real_of_float_sub -> minus_float.rep_eq
round_down.simps -> Float.compute_float_round_down
round_up.simps -> Float.compute_float_round_up
times_float_def -> Float.compute_float_times
uminus_float_def -> Float.compute_float_uminus
zero_float_def -> Float.compute_float_zero
Lemmas not necessary anymore, use the transfer method:
bitlen_B0, bitlen_B1, bitlen_ge1, bitlen_Min, bitlen_Pls, float_divl,
float_divr, float_le_simp, float_less1_mantissa_bound,
float_less_simp, float_less_zero, float_le_zero,
float_pos_less1_e_neg, float_pos_m_pos, float_split, float_split2,
floor_pos_exp, lapprox_posrat, lapprox_posrat_bottom, lapprox_rat,
lapprox_rat_bottom, normalized_float, rapprox_posrat,
rapprox_posrat_le1, rapprox_rat, real_of_float_ge0_exp,
real_of_float_neg_exp, real_of_float_nge0_exp, round_down floor_fl,
round_up, zero_le_float, zero_less_float
* New theory HOL/Library/DAList provides an abstract type for
association lists with distinct keys.
* Session HOL/IMP: Added new theory of abstract interpretation of
annotated commands.
* Session HOL-Import: Re-implementation from scratch is faster,
simpler, and more scalable. Requires a proof bundle, which is
available as an external component. Discontinued old (and mostly
dead) Importer for HOL4 and HOL Light. INCOMPATIBILITY.
* Session HOL-Word: Discontinued many redundant theorems specific to
type 'a word. INCOMPATIBILITY, use the corresponding generic theorems
instead.
word_sub_alt ~> word_sub_wi
word_add_alt ~> word_add_def
word_mult_alt ~> word_mult_def
word_minus_alt ~> word_minus_def
word_0_alt ~> word_0_wi
word_1_alt ~> word_1_wi
word_add_0 ~> add_0_left
word_add_0_right ~> add_0_right
word_mult_1 ~> mult_1_left
word_mult_1_right ~> mult_1_right
word_add_commute ~> add_commute
word_add_assoc ~> add_assoc
word_add_left_commute ~> add_left_commute
word_mult_commute ~> mult_commute
word_mult_assoc ~> mult_assoc
word_mult_left_commute ~> mult_left_commute
word_left_distrib ~> left_distrib
word_right_distrib ~> right_distrib
word_left_minus ~> left_minus
word_diff_0_right ~> diff_0_right
word_diff_self ~> diff_self
word_sub_def ~> diff_minus
word_diff_minus ~> diff_minus
word_add_ac ~> add_ac
word_mult_ac ~> mult_ac
word_plus_ac0 ~> add_0_left add_0_right add_ac
word_times_ac1 ~> mult_1_left mult_1_right mult_ac
word_order_trans ~> order_trans
word_order_refl ~> order_refl
word_order_antisym ~> order_antisym
word_order_linear ~> linorder_linear
lenw1_zero_neq_one ~> zero_neq_one
word_number_of_eq ~> number_of_eq
word_of_int_add_hom ~> wi_hom_add
word_of_int_sub_hom ~> wi_hom_sub
word_of_int_mult_hom ~> wi_hom_mult
word_of_int_minus_hom ~> wi_hom_neg
word_of_int_succ_hom ~> wi_hom_succ
word_of_int_pred_hom ~> wi_hom_pred
word_of_int_0_hom ~> word_0_wi
word_of_int_1_hom ~> word_1_wi
* Session HOL-Word: New proof method "word_bitwise" for splitting
machine word equalities and inequalities into logical circuits,
defined in HOL/Word/WordBitwise.thy. Supports addition, subtraction,
multiplication, shifting by constants, bitwise operators and numeric
constants. Requires fixed-length word types, not 'a word. Solves
many standard word identities outright and converts more into first
order problems amenable to blast or similar. See also examples in
HOL/Word/Examples/WordExamples.thy.
* Session HOL-Probability: Introduced the type "'a measure" to
represent measures, this replaces the records 'a algebra and 'a
measure_space. The locales based on subset_class now have two
locale-parameters the space \<Omega> and the set of measurable sets M.
The product of probability spaces uses now the same constant as the
finite product of sigma-finite measure spaces "PiM :: ('i => 'a)
measure". Most constants are defined now outside of locales and gain
an additional parameter, like null_sets, almost_eventually or \<mu>'.
Measure space constructions for distributions and densities now got
their own constants distr and density. Instead of using locales to
describe measure spaces with a finite space, the measure count_space
and point_measure is introduced. INCOMPATIBILITY.
Renamed constants:
measure -> emeasure
finite_measure.\<mu>' -> measure
product_algebra_generator -> prod_algebra
product_prob_space.emb -> prod_emb
product_prob_space.infprod_algebra -> PiM
Removed locales:
completeable_measure_space
finite_measure_space
finite_prob_space
finite_product_finite_prob_space
finite_product_sigma_algebra
finite_sigma_algebra
measure_space
pair_finite_prob_space
pair_finite_sigma_algebra
pair_finite_space
pair_sigma_algebra
product_sigma_algebra
Removed constants:
conditional_space
distribution -> use distr measure, or distributed predicate
image_space
joint_distribution -> use distr measure, or distributed predicate
pair_measure_generator
product_prob_space.infprod_algebra -> use PiM
subvimage
Replacement theorems:
finite_additivity_sufficient -> ring_of_sets.countably_additiveI_finite
finite_measure.empty_measure -> measure_empty
finite_measure.finite_continuity_from_above -> finite_measure.finite_Lim_measure_decseq
finite_measure.finite_continuity_from_below -> finite_measure.finite_Lim_measure_incseq
finite_measure.finite_measure_countably_subadditive -> finite_measure.finite_measure_subadditive_countably
finite_measure.finite_measure_eq -> finite_measure.emeasure_eq_measure
finite_measure.finite_measure -> finite_measure.emeasure_finite
finite_measure.finite_measure_finite_singleton -> finite_measure.finite_measure_eq_setsum_singleton
finite_measure.positive_measure' -> measure_nonneg
finite_measure.real_measure -> finite_measure.emeasure_real
finite_product_prob_space.finite_measure_times -> finite_product_prob_space.finite_measure_PiM_emb
finite_product_sigma_algebra.in_P -> sets_PiM_I_finite
finite_product_sigma_algebra.P_empty -> space_PiM_empty, sets_PiM_empty
information_space.conditional_entropy_eq -> information_space.conditional_entropy_simple_distributed
information_space.conditional_entropy_positive -> information_space.conditional_entropy_nonneg_simple
information_space.conditional_mutual_information_eq_mutual_information -> information_space.conditional_mutual_information_eq_mutual_information_simple
information_space.conditional_mutual_information_generic_positive -> information_space.conditional_mutual_information_nonneg_simple
information_space.conditional_mutual_information_positive -> information_space.conditional_mutual_information_nonneg_simple
information_space.entropy_commute -> information_space.entropy_commute_simple
information_space.entropy_eq -> information_space.entropy_simple_distributed
information_space.entropy_generic_eq -> information_space.entropy_simple_distributed
information_space.entropy_positive -> information_space.entropy_nonneg_simple
information_space.entropy_uniform_max -> information_space.entropy_uniform
information_space.KL_eq_0_imp -> information_space.KL_eq_0_iff_eq
information_space.KL_eq_0 -> information_space.KL_same_eq_0
information_space.KL_ge_0 -> information_space.KL_nonneg
information_space.mutual_information_eq -> information_space.mutual_information_simple_distributed
information_space.mutual_information_positive -> information_space.mutual_information_nonneg_simple
Int_stable_cuboids -> Int_stable_atLeastAtMost
Int_stable_product_algebra_generator -> positive_integral
measure_preserving -> equality "distr M N f = N" "f : measurable M N"
measure_space.additive -> emeasure_additive
measure_space.AE_iff_null_set -> AE_iff_null
measure_space.almost_everywhere_def -> eventually_ae_filter
measure_space.almost_everywhere_vimage -> AE_distrD
measure_space.continuity_from_above -> INF_emeasure_decseq
measure_space.continuity_from_above_Lim -> Lim_emeasure_decseq
measure_space.continuity_from_below_Lim -> Lim_emeasure_incseq
measure_space.continuity_from_below -> SUP_emeasure_incseq
measure_space_density -> emeasure_density
measure_space.density_is_absolutely_continuous -> absolutely_continuousI_density
measure_space.integrable_vimage -> integrable_distr
measure_space.integral_translated_density -> integral_density
measure_space.integral_vimage -> integral_distr
measure_space.measure_additive -> plus_emeasure
measure_space.measure_compl -> emeasure_compl
measure_space.measure_countable_increasing -> emeasure_countable_increasing
measure_space.measure_countably_subadditive -> emeasure_subadditive_countably
measure_space.measure_decseq -> decseq_emeasure
measure_space.measure_Diff -> emeasure_Diff
measure_space.measure_Diff_null_set -> emeasure_Diff_null_set
measure_space.measure_eq_0 -> emeasure_eq_0
measure_space.measure_finitely_subadditive -> emeasure_subadditive_finite
measure_space.measure_finite_singleton -> emeasure_eq_setsum_singleton
measure_space.measure_incseq -> incseq_emeasure
measure_space.measure_insert -> emeasure_insert
measure_space.measure_mono -> emeasure_mono
measure_space.measure_not_negative -> emeasure_not_MInf
measure_space.measure_preserving_Int_stable -> measure_eqI_generator_eq
measure_space.measure_setsum -> setsum_emeasure
measure_space.measure_setsum_split -> setsum_emeasure_cover
measure_space.measure_space_vimage -> emeasure_distr
measure_space.measure_subadditive_finite -> emeasure_subadditive_finite
measure_space.measure_subadditive -> subadditive
measure_space.measure_top -> emeasure_space
measure_space.measure_UN_eq_0 -> emeasure_UN_eq_0
measure_space.measure_Un_null_set -> emeasure_Un_null_set
measure_space.positive_integral_translated_density -> positive_integral_density
measure_space.positive_integral_vimage -> positive_integral_distr
measure_space.real_continuity_from_above -> Lim_measure_decseq
measure_space.real_continuity_from_below -> Lim_measure_incseq
measure_space.real_measure_countably_subadditive -> measure_subadditive_countably
measure_space.real_measure_Diff -> measure_Diff
measure_space.real_measure_finite_Union -> measure_finite_Union
measure_space.real_measure_setsum_singleton -> measure_eq_setsum_singleton
measure_space.real_measure_subadditive -> measure_subadditive
measure_space.real_measure_Union -> measure_Union
measure_space.real_measure_UNION -> measure_UNION
measure_space.simple_function_vimage -> simple_function_comp
measure_space.simple_integral_vimage -> simple_integral_distr
measure_space.simple_integral_vimage -> simple_integral_distr
measure_unique_Int_stable -> measure_eqI_generator_eq
measure_unique_Int_stable_vimage -> measure_eqI_generator_eq
pair_sigma_algebra.measurable_cut_fst -> sets_Pair1
pair_sigma_algebra.measurable_cut_snd -> sets_Pair2
pair_sigma_algebra.measurable_pair_image_fst -> measurable_Pair1
pair_sigma_algebra.measurable_pair_image_snd -> measurable_Pair2
pair_sigma_algebra.measurable_product_swap -> measurable_pair_swap_iff
pair_sigma_algebra.pair_sigma_algebra_measurable -> measurable_pair_swap
pair_sigma_algebra.pair_sigma_algebra_swap_measurable -> measurable_pair_swap'
pair_sigma_algebra.sets_swap -> sets_pair_swap
pair_sigma_finite.measure_cut_measurable_fst -> pair_sigma_finite.measurable_emeasure_Pair1
pair_sigma_finite.measure_cut_measurable_snd -> pair_sigma_finite.measurable_emeasure_Pair2
pair_sigma_finite.measure_preserving_swap -> pair_sigma_finite.distr_pair_swap
pair_sigma_finite.pair_measure_alt2 -> pair_sigma_finite.emeasure_pair_measure_alt2
pair_sigma_finite.pair_measure_alt -> pair_sigma_finite.emeasure_pair_measure_alt
pair_sigma_finite.pair_measure_times -> pair_sigma_finite.emeasure_pair_measure_Times
prob_space.indep_distribution_eq_measure -> prob_space.indep_vars_iff_distr_eq_PiM
prob_space.indep_var_distributionD -> prob_space.indep_var_distribution_eq
prob_space.measure_space_1 -> prob_space.emeasure_space_1
prob_space.prob_space_vimage -> prob_space_distr
prob_space.random_variable_restrict -> measurable_restrict
prob_space_unique_Int_stable -> measure_eqI_prob_space
product_algebraE -> prod_algebraE_all
product_algebra_generator_der -> prod_algebra_eq_finite
product_algebra_generator_into_space -> prod_algebra_sets_into_space
product_algebraI -> sets_PiM_I_finite
product_measure_exists -> product_sigma_finite.sigma_finite
product_prob_space.finite_index_eq_finite_product -> product_prob_space.sets_PiM_generator
product_prob_space.finite_measure_infprod_emb_Pi -> product_prob_space.measure_PiM_emb
product_prob_space.infprod_spec -> product_prob_space.emeasure_PiM_emb_not_empty
product_prob_space.measurable_component -> measurable_component_singleton
product_prob_space.measurable_emb -> measurable_prod_emb
product_prob_space.measurable_into_infprod_algebra -> measurable_PiM_single
product_prob_space.measurable_singleton_infprod -> measurable_component_singleton
product_prob_space.measure_emb -> emeasure_prod_emb
product_prob_space.measure_preserving_restrict -> product_prob_space.distr_restrict
product_sigma_algebra.product_algebra_into_space -> space_closed
product_sigma_finite.measure_fold -> product_sigma_finite.distr_merge
product_sigma_finite.measure_preserving_component_singelton -> product_sigma_finite.distr_singleton
product_sigma_finite.measure_preserving_merge -> product_sigma_finite.distr_merge
sequence_space.measure_infprod -> sequence_space.measure_PiM_countable
sets_product_algebra -> sets_PiM
sigma_algebra.measurable_sigma -> measurable_measure_of
sigma_finite_measure.disjoint_sigma_finite -> sigma_finite_disjoint
sigma_finite_measure.RN_deriv_vimage -> sigma_finite_measure.RN_deriv_distr
sigma_product_algebra_sigma_eq -> sigma_prod_algebra_sigma_eq
space_product_algebra -> space_PiM
* Session HOL-TPTP: support to parse and import TPTP problems (all
languages) into Isabelle/HOL.
*** FOL ***
* New "case_product" attribute (see HOL).
*** ZF ***
* Greater support for structured proofs involving induction or case
analysis.
* Much greater use of mathematical symbols.
* Removal of many ML theorem bindings. INCOMPATIBILITY.
*** ML ***
* Antiquotation @{keyword "name"} produces a parser for outer syntax
from a minor keyword introduced via theory header declaration.
* Antiquotation @{command_spec "name"} produces the
Outer_Syntax.command_spec from a major keyword introduced via theory
header declaration; it can be passed to Outer_Syntax.command etc.
* Local_Theory.define no longer hard-wires default theorem name
"foo_def", but retains the binding as given. If that is Binding.empty
/ Attrib.empty_binding, the result is not registered as user-level
fact. The Local_Theory.define_internal variant allows to specify a
non-empty name (used for the foundation in the background theory),
while omitting the fact binding in the user-context. Potential
INCOMPATIBILITY for derived definitional packages: need to specify
naming policy for primitive definitions more explicitly.
* Renamed Thm.capply to Thm.apply, and Thm.cabs to Thm.lambda in
conformance with similar operations in structure Term and Logic.
* Antiquotation @{attributes [...]} embeds attribute source
representation into the ML text, which is particularly useful with
declarations like Local_Theory.note.
* Structure Proof_Context follows standard naming scheme. Old
ProofContext has been discontinued. INCOMPATIBILITY.
* Refined Local_Theory.declaration {syntax, pervasive}, with subtle
change of semantics: update is applied to auxiliary local theory
context as well.
* Modernized some old-style infix operations:
addeqcongs ~> Simplifier.add_eqcong
deleqcongs ~> Simplifier.del_eqcong
addcongs ~> Simplifier.add_cong
delcongs ~> Simplifier.del_cong
setmksimps ~> Simplifier.set_mksimps
setmkcong ~> Simplifier.set_mkcong
setmksym ~> Simplifier.set_mksym
setmkeqTrue ~> Simplifier.set_mkeqTrue
settermless ~> Simplifier.set_termless
setsubgoaler ~> Simplifier.set_subgoaler
addsplits ~> Splitter.add_split
delsplits ~> Splitter.del_split
*** System ***
* USER_HOME settings variable points to cross-platform user home
directory, which coincides with HOME on POSIX systems only. Likewise,
the Isabelle path specification "~" now expands to $USER_HOME, instead
of former $HOME. A different default for USER_HOME may be set
explicitly in shell environment, before Isabelle settings are
evaluated. Minor INCOMPATIBILITY: need to adapt Isabelle path where
the generic user home was intended.
* ISABELLE_HOME_WINDOWS refers to ISABELLE_HOME in windows file name
notation, which is useful for the jEdit file browser, for example.
* ISABELLE_JDK_HOME settings variable points to JDK with javac and jar
(not just JRE).
New in Isabelle2011-1 (October 2011)
------------------------------------
*** General ***
* Improved Isabelle/jEdit Prover IDE (PIDE), which can be invoked as
"isabelle jedit" or "ISABELLE_HOME/Isabelle" on the command line.
- Management of multiple theory files directly from the editor
buffer store -- bypassing the file-system (no requirement to save
files for checking).
- Markup of formal entities within the text buffer, with semantic
highlighting, tooltips and hyperlinks to jump to defining source
positions.
- Improved text rendering, with sub/superscripts in the source
buffer (including support for copy/paste wrt. output panel, HTML
theory output and other non-Isabelle text boxes).
- Refined scheduling of proof checking and printing of results,
based on interactive editor view. (Note: jEdit folding and
narrowing allows to restrict buffer perspectives explicitly.)
- Reduced CPU performance requirements, usable on machines with few
cores.
- Reduced memory requirements due to pruning of unused document
versions (garbage collection).
See also ~~/src/Tools/jEdit/README.html for further information,
including some remaining limitations.
* Theory loader: source files are exclusively located via the master
directory of each theory node (where the .thy file itself resides).
The global load path (such as src/HOL/Library) has been discontinued.
Note that the path element ~~ may be used to reference theories in the
Isabelle home folder -- for instance, "~~/src/HOL/Library/FuncSet".
INCOMPATIBILITY.
* Theory loader: source files are identified by content via SHA1
digests. Discontinued former path/modtime identification and optional
ISABELLE_FILE_IDENT plugin scripts.
* Parallelization of nested Isar proofs is subject to
Goal.parallel_proofs_threshold (default 100). See also isabelle
usedir option -Q.
* Name space: former unsynchronized references are now proper
configuration options, with more conventional names:
long_names ~> names_long
short_names ~> names_short
unique_names ~> names_unique
Minor INCOMPATIBILITY, need to declare options in context like this:
declare [[names_unique = false]]
* Literal facts `prop` may contain dummy patterns, e.g. `_ = _`. Note
that the result needs to be unique, which means fact specifications
may have to be refined after enriching a proof context.
* Attribute "case_names" has been refined: the assumptions in each case
can be named now by following the case name with [name1 name2 ...].
* Isabelle/Isar reference manual has been updated and extended:
- "Synopsis" provides a catalog of main Isar language concepts.
- Formal references in syntax diagrams, via @{rail} antiquotation.
- Updated material from classic "ref" manual, notably about
"Classical Reasoner".
*** HOL ***
* Class bot and top require underlying partial order rather than
preorder: uniqueness of bot and top is guaranteed. INCOMPATIBILITY.
* Class complete_lattice: generalized a couple of lemmas from sets;
generalized theorems INF_cong and SUP_cong. New type classes for
complete boolean algebras and complete linear orders. Lemmas
Inf_less_iff, less_Sup_iff, INF_less_iff, less_SUP_iff now reside in
class complete_linorder.
Changed proposition of lemmas Inf_bool_def, Sup_bool_def, Inf_fun_def,
Sup_fun_def, Inf_apply, Sup_apply.
Removed redundant lemmas (the right hand side gives hints how to
replace them for (metis ...), or (simp only: ...) proofs):
Inf_singleton ~> Inf_insert [where A="{}", unfolded Inf_empty inf_top_right]
Sup_singleton ~> Sup_insert [where A="{}", unfolded Sup_empty sup_bot_right]
Inf_binary ~> Inf_insert, Inf_empty, and inf_top_right
Sup_binary ~> Sup_insert, Sup_empty, and sup_bot_right
Int_eq_Inter ~> Inf_insert, Inf_empty, and inf_top_right
Un_eq_Union ~> Sup_insert, Sup_empty, and sup_bot_right
Inter_def ~> INF_def, image_def
Union_def ~> SUP_def, image_def
INT_eq ~> INF_def, and image_def
UN_eq ~> SUP_def, and image_def
INF_subset ~> INF_superset_mono [OF _ order_refl]
More consistent and comprehensive names:
INTER_eq_Inter_image ~> INF_def
UNION_eq_Union_image ~> SUP_def
INFI_def ~> INF_def
SUPR_def ~> SUP_def
INF_leI ~> INF_lower
INF_leI2 ~> INF_lower2
le_INFI ~> INF_greatest
le_SUPI ~> SUP_upper
le_SUPI2 ~> SUP_upper2
SUP_leI ~> SUP_least
INFI_bool_eq ~> INF_bool_eq
SUPR_bool_eq ~> SUP_bool_eq
INFI_apply ~> INF_apply
SUPR_apply ~> SUP_apply
INTER_def ~> INTER_eq
UNION_def ~> UNION_eq
INCOMPATIBILITY.
* Renamed theory Complete_Lattice to Complete_Lattices.
INCOMPATIBILITY.
* Theory Complete_Lattices: lemmas Inf_eq_top_iff, INF_eq_top_iff,
INF_image, Inf_insert, INF_top, Inf_top_conv, INF_top_conv, SUP_bot,
Sup_bot_conv, SUP_bot_conv, Sup_eq_top_iff, SUP_eq_top_iff, SUP_image,
Sup_insert are now declared as [simp]. INCOMPATIBILITY.
* Theory Lattice: lemmas compl_inf_bot, compl_le_comp_iff,
compl_sup_top, inf_idem, inf_left_idem, inf_sup_absorb, sup_idem,
sup_inf_absob, sup_left_idem are now declared as [simp]. Minor
INCOMPATIBILITY.
* Added syntactic classes "inf" and "sup" for the respective
constants. INCOMPATIBILITY: Changes in the argument order of the
(mostly internal) locale predicates for some derived classes.
* Theorem collections ball_simps and bex_simps do not contain theorems
referring to UNION any longer; these have been moved to collection
UN_ball_bex_simps. INCOMPATIBILITY.
* Theory Archimedean_Field: floor now is defined as parameter of a
separate type class floor_ceiling.
* Theory Finite_Set: more coherent development of fold_set locales:
locale fun_left_comm ~> locale comp_fun_commute
locale fun_left_comm_idem ~> locale comp_fun_idem
Both use point-free characterization; interpretation proofs may need
adjustment. INCOMPATIBILITY.
* Theory Limits: Type "'a net" has been renamed to "'a filter", in
accordance with standard mathematical terminology. INCOMPATIBILITY.
* Theory Complex_Main: The locale interpretations for the
bounded_linear and bounded_bilinear locales have been removed, in
order to reduce the number of duplicate lemmas. Users must use the
original names for distributivity theorems, potential INCOMPATIBILITY.
divide.add ~> add_divide_distrib
divide.diff ~> diff_divide_distrib
divide.setsum ~> setsum_divide_distrib
mult.add_right ~> right_distrib
mult.diff_right ~> right_diff_distrib
mult_right.setsum ~> setsum_right_distrib
mult_left.diff ~> left_diff_distrib
* Theory Complex_Main: Several redundant theorems have been removed or
replaced by more general versions. INCOMPATIBILITY.
real_diff_def ~> minus_real_def
real_divide_def ~> divide_real_def
real_less_def ~> less_le
real_abs_def ~> abs_real_def
real_sgn_def ~> sgn_real_def
real_mult_commute ~> mult_commute
real_mult_assoc ~> mult_assoc
real_mult_1 ~> mult_1_left
real_add_mult_distrib ~> left_distrib
real_zero_not_eq_one ~> zero_neq_one
real_mult_inverse_left ~> left_inverse
INVERSE_ZERO ~> inverse_zero
real_le_refl ~> order_refl
real_le_antisym ~> order_antisym
real_le_trans ~> order_trans
real_le_linear ~> linear
real_le_eq_diff ~> le_iff_diff_le_0
real_add_left_mono ~> add_left_mono
real_mult_order ~> mult_pos_pos
real_mult_less_mono2 ~> mult_strict_left_mono
real_of_int_real_of_nat ~> real_of_int_of_nat_eq
real_0_le_divide_iff ~> zero_le_divide_iff
realpow_two_disj ~> power2_eq_iff
real_squared_diff_one_factored ~> square_diff_one_factored
realpow_two_diff ~> square_diff_square_factored
reals_complete2 ~> complete_real
real_sum_squared_expand ~> power2_sum
exp_ln_eq ~> ln_unique
expi_add ~> exp_add
expi_zero ~> exp_zero
lemma_DERIV_subst ~> DERIV_cong
LIMSEQ_Zfun_iff ~> tendsto_Zfun_iff
LIMSEQ_const ~> tendsto_const
LIMSEQ_norm ~> tendsto_norm
LIMSEQ_add ~> tendsto_add
LIMSEQ_minus ~> tendsto_minus
LIMSEQ_minus_cancel ~> tendsto_minus_cancel
LIMSEQ_diff ~> tendsto_diff
bounded_linear.LIMSEQ ~> bounded_linear.tendsto
bounded_bilinear.LIMSEQ ~> bounded_bilinear.tendsto
LIMSEQ_mult ~> tendsto_mult
LIMSEQ_inverse ~> tendsto_inverse
LIMSEQ_divide ~> tendsto_divide
LIMSEQ_pow ~> tendsto_power
LIMSEQ_setsum ~> tendsto_setsum
LIMSEQ_setprod ~> tendsto_setprod
LIMSEQ_norm_zero ~> tendsto_norm_zero_iff
LIMSEQ_rabs_zero ~> tendsto_rabs_zero_iff
LIMSEQ_imp_rabs ~> tendsto_rabs
LIMSEQ_add_minus ~> tendsto_add [OF _ tendsto_minus]
LIMSEQ_add_const ~> tendsto_add [OF _ tendsto_const]
LIMSEQ_diff_const ~> tendsto_diff [OF _ tendsto_const]
LIMSEQ_Complex ~> tendsto_Complex
LIM_ident ~> tendsto_ident_at
LIM_const ~> tendsto_const
LIM_add ~> tendsto_add
LIM_add_zero ~> tendsto_add_zero
LIM_minus ~> tendsto_minus
LIM_diff ~> tendsto_diff
LIM_norm ~> tendsto_norm
LIM_norm_zero ~> tendsto_norm_zero
LIM_norm_zero_cancel ~> tendsto_norm_zero_cancel
LIM_norm_zero_iff ~> tendsto_norm_zero_iff
LIM_rabs ~> tendsto_rabs
LIM_rabs_zero ~> tendsto_rabs_zero
LIM_rabs_zero_cancel ~> tendsto_rabs_zero_cancel
LIM_rabs_zero_iff ~> tendsto_rabs_zero_iff
LIM_compose ~> tendsto_compose
LIM_mult ~> tendsto_mult
LIM_scaleR ~> tendsto_scaleR
LIM_of_real ~> tendsto_of_real
LIM_power ~> tendsto_power
LIM_inverse ~> tendsto_inverse
LIM_sgn ~> tendsto_sgn
isCont_LIM_compose ~> isCont_tendsto_compose
bounded_linear.LIM ~> bounded_linear.tendsto
bounded_linear.LIM_zero ~> bounded_linear.tendsto_zero
bounded_bilinear.LIM ~> bounded_bilinear.tendsto
bounded_bilinear.LIM_prod_zero ~> bounded_bilinear.tendsto_zero
bounded_bilinear.LIM_left_zero ~> bounded_bilinear.tendsto_left_zero
bounded_bilinear.LIM_right_zero ~> bounded_bilinear.tendsto_right_zero
LIM_inverse_fun ~> tendsto_inverse [OF tendsto_ident_at]
* Theory Complex_Main: The definition of infinite series was
generalized. Now it is defined on the type class {topological_space,
comm_monoid_add}. Hence it is useable also for extended real numbers.
* Theory Complex_Main: The complex exponential function "expi" is now
a type-constrained abbreviation for "exp :: complex => complex"; thus
several polymorphic lemmas about "exp" are now applicable to "expi".
* Code generation:
- Theory Library/Code_Char_ord provides native ordering of
characters in the target language.
- Commands code_module and code_library are legacy, use export_code
instead.
- Method "evaluation" is legacy, use method "eval" instead.
- Legacy evaluator "SML" is deactivated by default. May be
reactivated by the following theory command:
setup {* Value.add_evaluator ("SML", Codegen.eval_term) *}
* Declare ext [intro] by default. Rare INCOMPATIBILITY.
* New proof method "induction" that gives induction hypotheses the
name "IH", thus distinguishing them from further hypotheses that come
from rule induction. The latter are still called "hyps". Method
"induction" is a thin wrapper around "induct" and follows the same
syntax.
* Method "fastsimp" has been renamed to "fastforce", but "fastsimp" is
still available as a legacy feature for some time.
* Nitpick:
- Added "need" and "total_consts" options.
- Reintroduced "show_skolems" option by popular demand.
- Renamed attribute: nitpick_def ~> nitpick_unfold.
INCOMPATIBILITY.
* Sledgehammer:
- Use quasi-sound (and efficient) translations by default.
- Added support for the following provers: E-ToFoF, LEO-II,
Satallax, SNARK, Waldmeister, and Z3 with TPTP syntax.
- Automatically preplay and minimize proofs before showing them if
this can be done within reasonable time.
- sledgehammer available_provers ~> sledgehammer supported_provers.
INCOMPATIBILITY.
- Added "preplay_timeout", "slicing", "type_enc", "sound",
"max_mono_iters", and "max_new_mono_instances" options.
- Removed "explicit_apply" and "full_types" options as well as "Full
Types" Proof General menu item. INCOMPATIBILITY.
* Metis:
- Removed "metisF" -- use "metis" instead. INCOMPATIBILITY.
- Obsoleted "metisFT" -- use "metis (full_types)" instead.
INCOMPATIBILITY.
* Command 'try':
- Renamed 'try_methods' and added "simp:", "intro:", "dest:", and
"elim:" options. INCOMPATIBILITY.
- Introduced 'try' that not only runs 'try_methods' but also
'solve_direct', 'sledgehammer', 'quickcheck', and 'nitpick'.
* Quickcheck:
- Added "eval" option to evaluate terms for the found counterexample
(currently only supported by the default (exhaustive) tester).
- Added post-processing of terms to obtain readable counterexamples
(currently only supported by the default (exhaustive) tester).
- New counterexample generator quickcheck[narrowing] enables
narrowing-based testing. Requires the Glasgow Haskell compiler
with its installation location defined in the Isabelle settings
environment as ISABELLE_GHC.
- Removed quickcheck tester "SML" based on the SML code generator
(formly in HOL/Library).
* Function package: discontinued option "tailrec". INCOMPATIBILITY,
use 'partial_function' instead.
* Theory Library/Extended_Reals replaces now the positive extended
reals found in probability theory. This file is extended by
Multivariate_Analysis/Extended_Real_Limits.
* Theory Library/Old_Recdef: old 'recdef' package has been moved here,
from where it must be imported explicitly if it is really required.
INCOMPATIBILITY.
* Theory Library/Wfrec: well-founded recursion combinator "wfrec" has
been moved here. INCOMPATIBILITY.
* Theory Library/Saturated provides type of numbers with saturated
arithmetic.
* Theory Library/Product_Lattice defines a pointwise ordering for the
product type 'a * 'b, and provides instance proofs for various order
and lattice type classes.
* Theory Library/Countable now provides the "countable_datatype" proof
method for proving "countable" class instances for datatypes.
* Theory Library/Cset_Monad allows do notation for computable sets
(cset) via the generic monad ad-hoc overloading facility.
* Library: Theories of common data structures are split into theories
for implementation, an invariant-ensuring type, and connection to an
abstract type. INCOMPATIBILITY.
- RBT is split into RBT and RBT_Mapping.
- AssocList is split and renamed into AList and AList_Mapping.
- DList is split into DList_Impl, DList, and DList_Cset.
- Cset is split into Cset and List_Cset.
* Theory Library/Nat_Infinity has been renamed to
Library/Extended_Nat, with name changes of the following types and
constants:
type inat ~> type enat
Fin ~> enat
Infty ~> infinity (overloaded)
iSuc ~> eSuc
the_Fin ~> the_enat
Every theorem name containing "inat", "Fin", "Infty", or "iSuc" has
been renamed accordingly. INCOMPATIBILITY.
* Session Multivariate_Analysis: The euclidean_space type class now
fixes a constant "Basis :: 'a set" consisting of the standard
orthonormal basis for the type. Users now have the option of
quantifying over this set instead of using the "basis" function, e.g.
"ALL x:Basis. P x" vs "ALL i<DIM('a). P (basis i)".
* Session Multivariate_Analysis: Type "('a, 'b) cart" has been renamed
to "('a, 'b) vec" (the syntax "'a ^ 'b" remains unaffected). Constants
"Cart_nth" and "Cart_lambda" have been respectively renamed to
"vec_nth" and "vec_lambda"; theorems mentioning those names have
changed to match. Definition theorems for overloaded constants now use
the standard "foo_vec_def" naming scheme. A few other theorems have
been renamed as follows (INCOMPATIBILITY):
Cart_eq ~> vec_eq_iff
dist_nth_le_cart ~> dist_vec_nth_le
tendsto_vector ~> vec_tendstoI
Cauchy_vector ~> vec_CauchyI
* Session Multivariate_Analysis: Several duplicate theorems have been
removed, and other theorems have been renamed or replaced with more
general versions. INCOMPATIBILITY.
finite_choice ~> finite_set_choice
eventually_conjI ~> eventually_conj
eventually_and ~> eventually_conj_iff
eventually_false ~> eventually_False
setsum_norm ~> norm_setsum
Lim_sequentially ~> LIMSEQ_def
Lim_ident_at ~> LIM_ident
Lim_const ~> tendsto_const
Lim_cmul ~> tendsto_scaleR [OF tendsto_const]
Lim_neg ~> tendsto_minus
Lim_add ~> tendsto_add
Lim_sub ~> tendsto_diff
Lim_mul ~> tendsto_scaleR
Lim_vmul ~> tendsto_scaleR [OF _ tendsto_const]
Lim_null_norm ~> tendsto_norm_zero_iff [symmetric]
Lim_linear ~> bounded_linear.tendsto
Lim_component ~> tendsto_euclidean_component
Lim_component_cart ~> tendsto_vec_nth
Lim_inner ~> tendsto_inner [OF tendsto_const]
dot_lsum ~> inner_setsum_left
dot_rsum ~> inner_setsum_right
continuous_cmul ~> continuous_scaleR [OF continuous_const]
continuous_neg ~> continuous_minus
continuous_sub ~> continuous_diff
continuous_vmul ~> continuous_scaleR [OF _ continuous_const]
continuous_mul ~> continuous_scaleR
continuous_inv ~> continuous_inverse
continuous_at_within_inv ~> continuous_at_within_inverse
continuous_at_inv ~> continuous_at_inverse
continuous_at_norm ~> continuous_norm [OF continuous_at_id]
continuous_at_infnorm ~> continuous_infnorm [OF continuous_at_id]
continuous_at_component ~> continuous_component [OF continuous_at_id]
continuous_on_neg ~> continuous_on_minus
continuous_on_sub ~> continuous_on_diff
continuous_on_cmul ~> continuous_on_scaleR [OF continuous_on_const]
continuous_on_vmul ~> continuous_on_scaleR [OF _ continuous_on_const]
continuous_on_mul ~> continuous_on_scaleR
continuous_on_mul_real ~> continuous_on_mult
continuous_on_inner ~> continuous_on_inner [OF continuous_on_const]
continuous_on_norm ~> continuous_on_norm [OF continuous_on_id]
continuous_on_inverse ~> continuous_on_inv
uniformly_continuous_on_neg ~> uniformly_continuous_on_minus
uniformly_continuous_on_sub ~> uniformly_continuous_on_diff
subset_interior ~> interior_mono
subset_closure ~> closure_mono
closure_univ ~> closure_UNIV
real_arch_lt ~> reals_Archimedean2
real_arch ~> reals_Archimedean3
real_abs_norm ~> abs_norm_cancel
real_abs_sub_norm ~> norm_triangle_ineq3
norm_cauchy_schwarz_abs ~> Cauchy_Schwarz_ineq2
* Session HOL-Probability:
- Caratheodory's extension lemma is now proved for ring_of_sets.
- Infinite products of probability measures are now available.
- Sigma closure is independent, if the generator is independent
- Use extended reals instead of positive extended
reals. INCOMPATIBILITY.
* Session HOLCF: Discontinued legacy theorem names, INCOMPATIBILITY.
expand_fun_below ~> fun_below_iff
below_fun_ext ~> fun_belowI
expand_cfun_eq ~> cfun_eq_iff
ext_cfun ~> cfun_eqI
expand_cfun_below ~> cfun_below_iff
below_cfun_ext ~> cfun_belowI
monofun_fun_fun ~> fun_belowD
monofun_fun_arg ~> monofunE
monofun_lub_fun ~> adm_monofun [THEN admD]
cont_lub_fun ~> adm_cont [THEN admD]
cont2cont_Rep_CFun ~> cont2cont_APP
cont_Rep_CFun_app ~> cont_APP_app
cont_Rep_CFun_app_app ~> cont_APP_app_app
cont_cfun_fun ~> cont_Rep_cfun1 [THEN contE]
cont_cfun_arg ~> cont_Rep_cfun2 [THEN contE]
contlub_cfun ~> lub_APP [symmetric]
contlub_LAM ~> lub_LAM [symmetric]
thelubI ~> lub_eqI
UU_I ~> bottomI
lift_distinct1 ~> lift.distinct(1)
lift_distinct2 ~> lift.distinct(2)
Def_not_UU ~> lift.distinct(2)
Def_inject ~> lift.inject
below_UU_iff ~> below_bottom_iff
eq_UU_iff ~> eq_bottom_iff
*** Document preparation ***
* Antiquotation @{rail} layouts railroad syntax diagrams, see also
isar-ref manual, both for description and actual application of the
same.
* Antiquotation @{value} evaluates the given term and presents its
result.
* Antiquotations: term style "isub" provides ad-hoc conversion of
variables x1, y23 into subscripted form x\<^isub>1,
y\<^isub>2\<^isub>3.
* Predefined LaTeX macros for Isabelle symbols \<bind> and \<then>
(e.g. see ~~/src/HOL/Library/Monad_Syntax.thy).
* Localized \isabellestyle switch can be used within blocks or groups
like this:
\isabellestyle{it} %preferred default
{\isabellestylett @{text "typewriter stuff"}}
* Discontinued special treatment of hard tabulators. Implicit
tab-width is now defined as 1. Potential INCOMPATIBILITY for visual
layouts.
*** ML ***
* The inner syntax of sort/type/term/prop supports inlined YXML
representations within quoted string tokens. By encoding logical
entities via Term_XML (in ML or Scala) concrete syntax can be
bypassed, which is particularly useful for producing bits of text
under external program control.
* Antiquotations for ML and document preparation are managed as theory
data, which requires explicit setup.
* Isabelle_Process.is_active allows tools to check if the official
process wrapper is running (Isabelle/Scala/jEdit) or the old TTY loop
(better known as Proof General).
* Structure Proof_Context follows standard naming scheme. Old
ProofContext is still available for some time as legacy alias.
* Structure Timing provides various operations for timing; supersedes
former start_timing/end_timing etc.
* Path.print is the official way to show file-system paths to users
(including quotes etc.).
* Inner syntax: identifiers in parse trees of generic categories
"logic", "aprop", "idt" etc. carry position information (disguised as
type constraints). Occasional INCOMPATIBILITY with non-compliant
translations that choke on unexpected type constraints. Positions can
be stripped in ML translations via Syntax.strip_positions /
Syntax.strip_positions_ast, or via the syntax constant
"_strip_positions" within parse trees. As last resort, positions can
be disabled via the configuration option Syntax.positions, which is
called "syntax_positions" in Isar attribute syntax.
* Discontinued special status of various ML structures that contribute
to structure Syntax (Ast, Lexicon, Mixfix, Parser, Printer etc.): less
pervasive content, no inclusion in structure Syntax. INCOMPATIBILITY,
refer directly to Ast.Constant, Lexicon.is_identifier,
Syntax_Trans.mk_binder_tr etc.
* Typed print translation: discontinued show_sorts argument, which is
already available via context of "advanced" translation.
* Refined PARALLEL_GOALS tactical: degrades gracefully for schematic
goal states; body tactic needs to address all subgoals uniformly.
* Slightly more special eq_list/eq_set, with shortcut involving
pointer equality (assumes that eq relation is reflexive).
* Classical tactics use proper Proof.context instead of historic types
claset/clasimpset. Old-style declarations like addIs, addEs, addDs
operate directly on Proof.context. Raw type claset retains its use as
snapshot of the classical context, which can be recovered via
(put_claset HOL_cs) etc. Type clasimpset has been discontinued.
INCOMPATIBILITY, classical tactics and derived proof methods require
proper Proof.context.
*** System ***
* Discontinued support for Poly/ML 5.2, which was the last version
without proper multithreading and TimeLimit implementation.
* Discontinued old lib/scripts/polyml-platform, which has been
obsolete since Isabelle2009-2.
* Various optional external tools are referenced more robustly and
uniformly by explicit Isabelle settings as follows:
ISABELLE_CSDP (formerly CSDP_EXE)
ISABELLE_GHC (formerly EXEC_GHC or GHC_PATH)
ISABELLE_OCAML (formerly EXEC_OCAML)
ISABELLE_SWIPL (formerly EXEC_SWIPL)
ISABELLE_YAP (formerly EXEC_YAP)
Note that automated detection from the file-system or search path has
been discontinued. INCOMPATIBILITY.
* Scala layer provides JVM method invocation service for static
methods of type (String)String, see Invoke_Scala.method in ML. For
example:
Invoke_Scala.method "java.lang.System.getProperty" "java.home"
Together with YXML.string_of_body/parse_body and XML.Encode/Decode
this allows to pass structured values between ML and Scala.
* The IsabelleText fonts includes some further glyphs to support the
Prover IDE. Potential INCOMPATIBILITY: users who happen to have
installed a local copy (which is normally *not* required) need to
delete or update it from ~~/lib/fonts/.
New in Isabelle2011 (January 2011)
----------------------------------
*** General ***
* Experimental Prover IDE based on Isabelle/Scala and jEdit (see
src/Tools/jEdit). This also serves as IDE for Isabelle/ML, with
useful tooltips and hyperlinks produced from its static analysis. The
bundled component provides an executable Isabelle tool that can be run
like this:
Isabelle2011/bin/isabelle jedit
* Significantly improved Isabelle/Isar implementation manual.
* System settings: ISABELLE_HOME_USER now includes ISABELLE_IDENTIFIER
(and thus refers to something like $HOME/.isabelle/Isabelle2011),
while the default heap location within that directory lacks that extra
suffix. This isolates multiple Isabelle installations from each
other, avoiding problems with old settings in new versions.
INCOMPATIBILITY, need to copy/upgrade old user settings manually.
* Source files are always encoded as UTF-8, instead of old-fashioned
ISO-Latin-1. INCOMPATIBILITY. Isabelle LaTeX documents might require
the following package declarations:
\usepackage[utf8]{inputenc}
\usepackage{textcomp}
* Explicit treatment of UTF-8 sequences as Isabelle symbols, such that
a Unicode character is treated as a single symbol, not a sequence of
non-ASCII bytes as before. Since Isabelle/ML string literals may
contain symbols without further backslash escapes, Unicode can now be
used here as well. Recall that Symbol.explode in ML provides a
consistent view on symbols, while raw explode (or String.explode)
merely give a byte-oriented representation.
* Theory loader: source files are primarily located via the master
directory of each theory node (where the .thy file itself resides).
The global load path is still partially available as legacy feature.
Minor INCOMPATIBILITY due to subtle change in file lookup: use
explicit paths, relatively to the theory.
* Special treatment of ML file names has been discontinued.
Historically, optional extensions .ML or .sml were added on demand --
at the cost of clarity of file dependencies. Recall that Isabelle/ML
files exclusively use the .ML extension. Minor INCOMPATIBILTY.
* Various options that affect pretty printing etc. are now properly
handled within the context via configuration options, instead of
unsynchronized references or print modes. There are both ML Config.T
entities and Isar declaration attributes to access these.
ML (Config.T) Isar (attribute)
eta_contract eta_contract
show_brackets show_brackets
show_sorts show_sorts
show_types show_types
show_question_marks show_question_marks
show_consts show_consts
show_abbrevs show_abbrevs
Syntax.ast_trace syntax_ast_trace
Syntax.ast_stat syntax_ast_stat
Syntax.ambiguity_level syntax_ambiguity_level
Goal_Display.goals_limit goals_limit
Goal_Display.show_main_goal show_main_goal
Method.rule_trace rule_trace
Thy_Output.display thy_output_display
Thy_Output.quotes thy_output_quotes
Thy_Output.indent thy_output_indent
Thy_Output.source thy_output_source
Thy_Output.break thy_output_break
Note that corresponding "..._default" references in ML may only be
changed globally at the ROOT session setup, but *not* within a theory.
The option "show_abbrevs" supersedes the former print mode
"no_abbrevs" with inverted meaning.
* More systematic naming of some configuration options.
INCOMPATIBILITY.
trace_simp ~> simp_trace
debug_simp ~> simp_debug
* Support for real valued configuration options, using simplistic
floating-point notation that coincides with the inner syntax for
float_token.
* Support for real valued preferences (with approximative PGIP type):
front-ends need to accept "pgint" values in float notation.
INCOMPATIBILITY.
* The IsabelleText font now includes Cyrillic, Hebrew, Arabic from
DejaVu Sans.
* Discontinued support for Poly/ML 5.0 and 5.1 versions.
*** Pure ***
* Command 'type_synonym' (with single argument) replaces somewhat
outdated 'types', which is still available as legacy feature for some
time.
* Command 'nonterminal' (with 'and' separated list of arguments)
replaces somewhat outdated 'nonterminals'. INCOMPATIBILITY.
* Command 'notepad' replaces former 'example_proof' for
experimentation in Isar without any result. INCOMPATIBILITY.
* Locale interpretation commands 'interpret' and 'sublocale' accept
lists of equations to map definitions in a locale to appropriate
entities in the context of the interpretation. The 'interpretation'
command already provided this functionality.
* Diagnostic command 'print_dependencies' prints the locale instances
that would be activated if the specified expression was interpreted in
the current context. Variant "print_dependencies!" assumes a context
without interpretations.
* Diagnostic command 'print_interps' prints interpretations in proofs
in addition to interpretations in theories.
* Discontinued obsolete 'global' and 'local' commands to manipulate
the theory name space. Rare INCOMPATIBILITY. The ML functions
Sign.root_path and Sign.local_path may be applied directly where this
feature is still required for historical reasons.
* Discontinued obsolete 'constdefs' command. INCOMPATIBILITY, use
'definition' instead.
* The "prems" fact, which refers to the accidental collection of
foundational premises in the context, is now explicitly marked as
legacy feature and will be discontinued soon. Consider using "assms"
of the head statement or reference facts by explicit names.
* Document antiquotations @{class} and @{type} print classes and type
constructors.
* Document antiquotation @{file} checks file/directory entries within
the local file system.
*** HOL ***
* Coercive subtyping: functions can be declared as coercions and type
inference will add them as necessary upon input of a term. Theory
Complex_Main declares real :: nat => real and real :: int => real as
coercions. A coercion function f is declared like this:
declare [[coercion f]]
To lift coercions through type constructors (e.g. from nat => real to
nat list => real list), map functions can be declared, e.g.
declare [[coercion_map map]]
Currently coercion inference is activated only in theories including
real numbers, i.e. descendants of Complex_Main. This is controlled by
the configuration option "coercion_enabled", e.g. it can be enabled in
other theories like this:
declare [[coercion_enabled]]
* Command 'partial_function' provides basic support for recursive
function definitions over complete partial orders. Concrete instances
are provided for i) the option type, ii) tail recursion on arbitrary
types, and iii) the heap monad of Imperative_HOL. See
src/HOL/ex/Fundefs.thy and src/HOL/Imperative_HOL/ex/Linked_Lists.thy
for examples.
* Function package: f.psimps rules are no longer implicitly declared
as [simp]. INCOMPATIBILITY.
* Datatype package: theorems generated for executable equality (class
"eq") carry proper names and are treated as default code equations.
* Inductive package: now offers command 'inductive_simps' to
automatically derive instantiated and simplified equations for
inductive predicates, similar to 'inductive_cases'.
* Command 'enriched_type' allows to register properties of the
functorial structure of types.
* Improved infrastructure for term evaluation using code generator
techniques, in particular static evaluation conversions.
* Code generator: Scala (2.8 or higher) has been added to the target
languages.
* Code generator: globbing constant expressions "*" and "Theory.*"
have been replaced by the more idiomatic "_" and "Theory._".
INCOMPATIBILITY.
* Code generator: export_code without explicit file declaration prints
to standard output. INCOMPATIBILITY.
* Code generator: do not print function definitions for case
combinators any longer.
* Code generator: simplification with rules determined with
src/Tools/Code/code_simp.ML and method "code_simp".
* Code generator for records: more idiomatic representation of record
types. Warning: records are not covered by ancient SML code
generation any longer. INCOMPATIBILITY. In cases of need, a suitable
rep_datatype declaration helps to succeed then:
record 'a foo = ...
...
rep_datatype foo_ext ...
* Records: logical foundation type for records does not carry a
'_type' suffix any longer (obsolete due to authentic syntax).
INCOMPATIBILITY.
* Quickcheck now by default uses exhaustive testing instead of random
testing. Random testing can be invoked by "quickcheck [random]",
exhaustive testing by "quickcheck [exhaustive]".
* Quickcheck instantiates polymorphic types with small finite
datatypes by default. This enables a simple execution mechanism to
handle quantifiers and function equality over the finite datatypes.
* Quickcheck random generator has been renamed from "code" to
"random". INCOMPATIBILITY.
* Quickcheck now has a configurable time limit which is set to 30
seconds by default. This can be changed by adding [timeout = n] to the
quickcheck command. The time limit for Auto Quickcheck is still set
independently.
* Quickcheck in locales considers interpretations of that locale for
counter example search.
* Sledgehammer:
- Added "smt" and "remote_smt" provers based on the "smt" proof
method. See the Sledgehammer manual for details ("isabelle doc
sledgehammer").
- Renamed commands:
sledgehammer atp_info ~> sledgehammer running_provers
sledgehammer atp_kill ~> sledgehammer kill_provers
sledgehammer available_atps ~> sledgehammer available_provers
INCOMPATIBILITY.
- Renamed options:
sledgehammer [atps = ...] ~> sledgehammer [provers = ...]
sledgehammer [atp = ...] ~> sledgehammer [prover = ...]
sledgehammer [timeout = 77 s] ~> sledgehammer [timeout = 77]
(and "ms" and "min" are no longer supported)
INCOMPATIBILITY.
* Nitpick:
- Renamed options:
nitpick [timeout = 77 s] ~> nitpick [timeout = 77]
nitpick [tac_timeout = 777 ms] ~> nitpick [tac_timeout = 0.777]
INCOMPATIBILITY.
- Added support for partial quotient types.
- Added local versions of the "Nitpick.register_xxx" functions.
- Added "whack" option.
- Allow registration of quotient types as codatatypes.
- Improved "merge_type_vars" option to merge more types.
- Removed unsound "fast_descrs" option.
- Added custom symmetry breaking for datatypes, making it possible to reach
higher cardinalities.
- Prevent the expansion of too large definitions.
* Proof methods "metis" and "meson" now have configuration options
"meson_trace", "metis_trace", and "metis_verbose" that can be enabled
to diagnose these tools. E.g.
using [[metis_trace = true]]
* Auto Solve: Renamed "Auto Solve Direct". The tool is now available
manually as command 'solve_direct'.
* The default SMT solver Z3 must be enabled explicitly (due to
licensing issues) by setting the environment variable
Z3_NON_COMMERCIAL in etc/settings of the component, for example. For
commercial applications, the SMT solver CVC3 is provided as fall-back;
changing the SMT solver is done via the configuration option
"smt_solver".
* Remote SMT solvers need to be referred to by the "remote_" prefix,
i.e. "remote_cvc3" and "remote_z3".
* Added basic SMT support for datatypes, records, and typedefs using
the oracle mode (no proofs). Direct support of pairs has been dropped
in exchange (pass theorems fst_conv snd_conv pair_collapse to the SMT
support for a similar behavior). Minor INCOMPATIBILITY.
* Changed SMT configuration options:
- Renamed:
z3_proofs ~> smt_oracle (with inverted meaning)
z3_trace_assms ~> smt_trace_used_facts
INCOMPATIBILITY.
- Added:
smt_verbose
smt_random_seed
smt_datatypes
smt_infer_triggers
smt_monomorph_limit
cvc3_options
remote_cvc3_options
remote_z3_options
yices_options
* Boogie output files (.b2i files) need to be declared in the theory
header.
* Simplification procedure "list_to_set_comprehension" rewrites list
comprehensions applied to List.set to set comprehensions. Occasional
INCOMPATIBILITY, may be deactivated like this:
declare [[simproc del: list_to_set_comprehension]]
* Removed old version of primrec package. INCOMPATIBILITY.
* Removed simplifier congruence rule of "prod_case", as has for long
been the case with "split". INCOMPATIBILITY.
* String.literal is a type, but not a datatype. INCOMPATIBILITY.
* Removed [split_format ... and ... and ...] version of
[split_format]. Potential INCOMPATIBILITY.
* Predicate "sorted" now defined inductively, with nice induction
rules. INCOMPATIBILITY: former sorted.simps now named sorted_simps.
* Constant "contents" renamed to "the_elem", to free the generic name
contents for other uses. INCOMPATIBILITY.
* Renamed class eq and constant eq (for code generation) to class
equal and constant equal, plus renaming of related facts and various
tuning. INCOMPATIBILITY.
* Dropped type classes mult_mono and mult_mono1. INCOMPATIBILITY.
* Removed output syntax "'a ~=> 'b" for "'a => 'b option".
INCOMPATIBILITY.
* Renamed theory Fset to Cset, type Fset.fset to Cset.set, in order to
avoid confusion with finite sets. INCOMPATIBILITY.
* Abandoned locales equiv, congruent and congruent2 for equivalence
relations. INCOMPATIBILITY: use equivI rather than equiv_intro (same
for congruent(2)).
* Some previously unqualified names have been qualified:
types
bool ~> HOL.bool
nat ~> Nat.nat
constants
Trueprop ~> HOL.Trueprop
True ~> HOL.True
False ~> HOL.False
op & ~> HOL.conj
op | ~> HOL.disj
op --> ~> HOL.implies
op = ~> HOL.eq
Not ~> HOL.Not
The ~> HOL.The
All ~> HOL.All
Ex ~> HOL.Ex
Ex1 ~> HOL.Ex1
Let ~> HOL.Let
If ~> HOL.If
Ball ~> Set.Ball
Bex ~> Set.Bex
Suc ~> Nat.Suc
Pair ~> Product_Type.Pair
fst ~> Product_Type.fst
snd ~> Product_Type.snd
curry ~> Product_Type.curry
op : ~> Set.member
Collect ~> Set.Collect
INCOMPATIBILITY.
* More canonical naming convention for some fundamental definitions:
bot_bool_eq ~> bot_bool_def
top_bool_eq ~> top_bool_def
inf_bool_eq ~> inf_bool_def
sup_bool_eq ~> sup_bool_def
bot_fun_eq ~> bot_fun_def
top_fun_eq ~> top_fun_def
inf_fun_eq ~> inf_fun_def
sup_fun_eq ~> sup_fun_def
INCOMPATIBILITY.
* More stylized fact names:
expand_fun_eq ~> fun_eq_iff
expand_set_eq ~> set_eq_iff
set_ext ~> set_eqI
nat_number ~> eval_nat_numeral
INCOMPATIBILITY.
* Refactoring of code-generation specific operations in theory List:
constants
null ~> List.null
facts
mem_iff ~> member_def
null_empty ~> null_def
INCOMPATIBILITY. Note that these were not supposed to be used
regularly unless for striking reasons; their main purpose was code
generation.
Various operations from the Haskell prelude are used for generating
Haskell code.
* Term "bij f" is now an abbreviation of "bij_betw f UNIV UNIV". Term
"surj f" is now an abbreviation of "range f = UNIV". The theorems
bij_def and surj_def are unchanged. INCOMPATIBILITY.
* Abolished some non-alphabetic type names: "prod" and "sum" replace
"*" and "+" respectively. INCOMPATIBILITY.
* Name "Plus" of disjoint sum operator "<+>" is now hidden. Write
"Sum_Type.Plus" instead.
* Constant "split" has been merged with constant "prod_case"; names of
ML functions, facts etc. involving split have been retained so far,
though. INCOMPATIBILITY.
* Dropped old infix syntax "_ mem _" for List.member; use "_ : set _"
instead. INCOMPATIBILITY.
* Removed lemma "Option.is_none_none" which duplicates "is_none_def".
INCOMPATIBILITY.
* Former theory Library/Enum is now part of the HOL-Main image.
INCOMPATIBILITY: all constants of the Enum theory now have to be
referred to by its qualified name.
enum ~> Enum.enum
nlists ~> Enum.nlists
product ~> Enum.product
* Theory Library/Monad_Syntax provides do-syntax for monad types.
Syntax in Library/State_Monad has been changed to avoid ambiguities.
INCOMPATIBILITY.
* Theory Library/SetsAndFunctions has been split into
Library/Function_Algebras and Library/Set_Algebras; canonical names
for instance definitions for functions; various improvements.
INCOMPATIBILITY.
* Theory Library/Multiset provides stable quicksort implementation of
sort_key.
* Theory Library/Multiset: renamed empty_idemp ~> empty_neutral.
INCOMPATIBILITY.
* Session Multivariate_Analysis: introduced a type class for euclidean
space. Most theorems are now stated in terms of euclidean spaces
instead of finite cartesian products.
types
real ^ 'n ~> 'a::real_vector
~> 'a::euclidean_space
~> 'a::ordered_euclidean_space
(depends on your needs)
constants
_ $ _ ~> _ $$ _
\<chi> x. _ ~> \<chi>\<chi> x. _
CARD('n) ~> DIM('a)
Also note that the indices are now natural numbers and not from some
finite type. Finite cartesian products of euclidean spaces, products
of euclidean spaces the real and complex numbers are instantiated to
be euclidean_spaces. INCOMPATIBILITY.
* Session Probability: introduced pextreal as positive extended real
numbers. Use pextreal as value for measures. Introduce the
Radon-Nikodym derivative, product spaces and Fubini's theorem for
arbitrary sigma finite measures. Introduces Lebesgue measure based on
the integral in Multivariate Analysis. INCOMPATIBILITY.
* Session Imperative_HOL: revamped, corrected dozens of inadequacies.
INCOMPATIBILITY.
* Session SPARK (with image HOL-SPARK) provides commands to load and
prove verification conditions generated by the SPARK Ada program
verifier. See also src/HOL/SPARK and src/HOL/SPARK/Examples.
*** HOL-Algebra ***
* Theorems for additive ring operations (locale abelian_monoid and
descendants) are generated by interpretation from their multiplicative
counterparts. Names (in particular theorem names) have the mandatory
qualifier 'add'. Previous theorem names are redeclared for
compatibility.
* Structure "int_ring" is now an abbreviation (previously a
definition). This fits more natural with advanced interpretations.
*** HOLCF ***
* The domain package now runs in definitional mode by default: The
former command 'new_domain' is now called 'domain'. To use the domain
package in its original axiomatic mode, use 'domain (unsafe)'.
INCOMPATIBILITY.
* The new class "domain" is now the default sort. Class "predomain"
is an unpointed version of "domain". Theories can be updated by
replacing sort annotations as shown below. INCOMPATIBILITY.
'a::type ~> 'a::countable
'a::cpo ~> 'a::predomain
'a::pcpo ~> 'a::domain
* The old type class "rep" has been superseded by class "domain".
Accordingly, users of the definitional package must remove any
"default_sort rep" declarations. INCOMPATIBILITY.
* The domain package (definitional mode) now supports unpointed
predomain argument types, as long as they are marked 'lazy'. (Strict
arguments must be in class "domain".) For example, the following
domain definition now works:
domain natlist = nil | cons (lazy "nat discr") (lazy "natlist")
* Theory HOLCF/Library/HOL_Cpo provides cpo and predomain class
instances for types from main HOL: bool, nat, int, char, 'a + 'b,
'a option, and 'a list. Additionally, it configures fixrec and the
domain package to work with these types. For example:
fixrec isInl :: "('a + 'b) u -> tr"
where "isInl$(up$(Inl x)) = TT" | "isInl$(up$(Inr y)) = FF"
domain V = VFun (lazy "V -> V") | VCon (lazy "nat") (lazy "V list")
* The "(permissive)" option of fixrec has been replaced with a
per-equation "(unchecked)" option. See
src/HOL/HOLCF/Tutorial/Fixrec_ex.thy for examples. INCOMPATIBILITY.
* The "bifinite" class no longer fixes a constant "approx"; the class
now just asserts that such a function exists. INCOMPATIBILITY.
* Former type "alg_defl" has been renamed to "defl". HOLCF no longer
defines an embedding of type 'a defl into udom by default; instances
of "bifinite" and "domain" classes are available in
src/HOL/HOLCF/Library/Defl_Bifinite.thy.
* The syntax "REP('a)" has been replaced with "DEFL('a)".
* The predicate "directed" has been removed. INCOMPATIBILITY.
* The type class "finite_po" has been removed. INCOMPATIBILITY.
* The function "cprod_map" has been renamed to "prod_map".
INCOMPATIBILITY.
* The monadic bind operator on each powerdomain has new binder syntax
similar to sets, e.g. "\<Union>\<sharp>x\<in>xs. t" represents
"upper_bind\<cdot>xs\<cdot>(\<Lambda> x. t)".
* The infix syntax for binary union on each powerdomain has changed
from e.g. "+\<sharp>" to "\<union>\<sharp>", for consistency with set
syntax. INCOMPATIBILITY.
* The constant "UU" has been renamed to "bottom". The syntax "UU" is
still supported as an input translation.
* Renamed some theorems (the original names are also still available).
expand_fun_below ~> fun_below_iff
below_fun_ext ~> fun_belowI
expand_cfun_eq ~> cfun_eq_iff
ext_cfun ~> cfun_eqI
expand_cfun_below ~> cfun_below_iff
below_cfun_ext ~> cfun_belowI
cont2cont_Rep_CFun ~> cont2cont_APP
* The Abs and Rep functions for various types have changed names.
Related theorem names have also changed to match. INCOMPATIBILITY.
Rep_CFun ~> Rep_cfun
Abs_CFun ~> Abs_cfun
Rep_Sprod ~> Rep_sprod
Abs_Sprod ~> Abs_sprod
Rep_Ssum ~> Rep_ssum
Abs_Ssum ~> Abs_ssum
* Lemmas with names of the form *_defined_iff or *_strict_iff have
been renamed to *_bottom_iff. INCOMPATIBILITY.
* Various changes to bisimulation/coinduction with domain package:
- Definitions of "bisim" constants no longer mention definedness.
- With mutual recursion, "bisim" predicate is now curried.
- With mutual recursion, each type gets a separate coind theorem.
- Variable names in bisim_def and coinduct rules have changed.
INCOMPATIBILITY.
* Case combinators generated by the domain package for type "foo" are
now named "foo_case" instead of "foo_when". INCOMPATIBILITY.
* Several theorems have been renamed to more accurately reflect the
names of constants and types involved. INCOMPATIBILITY.
thelub_const ~> lub_const
lub_const ~> is_lub_const
thelubI ~> lub_eqI
is_lub_lub ~> is_lubD2
lubI ~> is_lub_lub
unique_lub ~> is_lub_unique
is_ub_lub ~> is_lub_rangeD1
lub_bin_chain ~> is_lub_bin_chain
lub_fun ~> is_lub_fun
thelub_fun ~> lub_fun
thelub_cfun ~> lub_cfun
thelub_Pair ~> lub_Pair
lub_cprod ~> is_lub_prod
thelub_cprod ~> lub_prod
minimal_cprod ~> minimal_prod
inst_cprod_pcpo ~> inst_prod_pcpo
UU_I ~> bottomI
compact_UU ~> compact_bottom
deflation_UU ~> deflation_bottom
finite_deflation_UU ~> finite_deflation_bottom
* Many legacy theorem names have been discontinued. INCOMPATIBILITY.
sq_ord_less_eq_trans ~> below_eq_trans
sq_ord_eq_less_trans ~> eq_below_trans
refl_less ~> below_refl
trans_less ~> below_trans
antisym_less ~> below_antisym
antisym_less_inverse ~> po_eq_conv [THEN iffD1]
box_less ~> box_below
rev_trans_less ~> rev_below_trans
not_less2not_eq ~> not_below2not_eq
less_UU_iff ~> below_UU_iff
flat_less_iff ~> flat_below_iff
adm_less ~> adm_below
adm_not_less ~> adm_not_below
adm_compact_not_less ~> adm_compact_not_below
less_fun_def ~> below_fun_def
expand_fun_less ~> fun_below_iff
less_fun_ext ~> fun_belowI
less_discr_def ~> below_discr_def
discr_less_eq ~> discr_below_eq
less_unit_def ~> below_unit_def
less_cprod_def ~> below_prod_def
prod_lessI ~> prod_belowI
Pair_less_iff ~> Pair_below_iff
fst_less_iff ~> fst_below_iff
snd_less_iff ~> snd_below_iff
expand_cfun_less ~> cfun_below_iff
less_cfun_ext ~> cfun_belowI
injection_less ~> injection_below
less_up_def ~> below_up_def
not_Iup_less ~> not_Iup_below
Iup_less ~> Iup_below
up_less ~> up_below
Def_inject_less_eq ~> Def_below_Def
Def_less_is_eq ~> Def_below_iff
spair_less_iff ~> spair_below_iff
less_sprod ~> below_sprod
spair_less ~> spair_below
sfst_less_iff ~> sfst_below_iff
ssnd_less_iff ~> ssnd_below_iff
fix_least_less ~> fix_least_below
dist_less_one ~> dist_below_one
less_ONE ~> below_ONE
ONE_less_iff ~> ONE_below_iff
less_sinlD ~> below_sinlD
less_sinrD ~> below_sinrD
*** FOL and ZF ***
* All constant names are now qualified internally and use proper
identifiers, e.g. "IFOL.eq" instead of "op =". INCOMPATIBILITY.
*** ML ***
* Antiquotation @{assert} inlines a function bool -> unit that raises
Fail if the argument is false. Due to inlining the source position of
failed assertions is included in the error output.
* Discontinued antiquotation @{theory_ref}, which is obsolete since ML
text is in practice always evaluated with a stable theory checkpoint.
Minor INCOMPATIBILITY, use (Theory.check_thy @{theory}) instead.
* Antiquotation @{theory A} refers to theory A from the ancestry of
the current context, not any accidental theory loader state as before.
Potential INCOMPATIBILITY, subtle change in semantics.
* Syntax.pretty_priority (default 0) configures the required priority
of pretty-printed output and thus affects insertion of parentheses.
* Syntax.default_root (default "any") configures the inner syntax
category (nonterminal symbol) for parsing of terms.
* Former exception Library.UnequalLengths now coincides with
ListPair.UnequalLengths.
* Renamed structure MetaSimplifier to Raw_Simplifier. Note that the
main functionality is provided by structure Simplifier.
* Renamed raw "explode" function to "raw_explode" to emphasize its
meaning. Note that internally to Isabelle, Symbol.explode is used in
almost all situations.
* Discontinued obsolete function sys_error and exception SYS_ERROR.
See implementation manual for further details on exceptions in
Isabelle/ML.
* Renamed setmp_noncritical to Unsynchronized.setmp to emphasize its
meaning.
* Renamed structure PureThy to Pure_Thy and moved most of its
operations to structure Global_Theory, to emphasize that this is
rarely-used global-only stuff.
* Discontinued Output.debug. Minor INCOMPATIBILITY, use plain writeln
instead (or tracing for high-volume output).
* Configuration option show_question_marks only affects regular pretty
printing of types and terms, not raw Term.string_of_vname.
* ML_Context.thm and ML_Context.thms are no longer pervasive. Rare
INCOMPATIBILITY, superseded by static antiquotations @{thm} and
@{thms} for most purposes.
* ML structure Unsynchronized is never opened, not even in Isar
interaction mode as before. Old Unsynchronized.set etc. have been
discontinued -- use plain := instead. This should be *rare* anyway,
since modern tools always work via official context data, notably
configuration options.
* Parallel and asynchronous execution requires special care concerning
interrupts. Structure Exn provides some convenience functions that
avoid working directly with raw Interrupt. User code must not absorb
interrupts -- intermediate handling (for cleanup etc.) needs to be
followed by re-raising of the original exception. Another common
source of mistakes are "handle _" patterns, which make the meaning of
the program subject to physical effects of the environment.
New in Isabelle2009-2 (June 2010)
---------------------------------
*** General ***
* Authentic syntax for *all* logical entities (type classes, type
constructors, term constants): provides simple and robust
correspondence between formal entities and concrete syntax. Within
the parse tree / AST representations, "constants" are decorated by
their category (class, type, const) and spelled out explicitly with
their full internal name.
Substantial INCOMPATIBILITY concerning low-level syntax declarations
and translations (translation rules and translation functions in ML).
Some hints on upgrading:
- Many existing uses of 'syntax' and 'translations' can be replaced
by more modern 'type_notation', 'notation' and 'abbreviation',
which are independent of this issue.
- 'translations' require markup within the AST; the term syntax
provides the following special forms:
CONST c -- produces syntax version of constant c from context
XCONST c -- literally c, checked as constant from context
c -- literally c, if declared by 'syntax'
Plain identifiers are treated as AST variables -- occasionally the
system indicates accidental variables via the error "rhs contains
extra variables".
Type classes and type constructors are marked according to their
concrete syntax. Some old translations rules need to be written
for the "type" category, using type constructor application
instead of pseudo-term application of the default category
"logic".
- 'parse_translation' etc. in ML may use the following
antiquotations:
@{class_syntax c} -- type class c within parse tree / AST
@{term_syntax c} -- type constructor c within parse tree / AST
@{const_syntax c} -- ML version of "CONST c" above
@{syntax_const c} -- literally c (checked wrt. 'syntax' declarations)
- Literal types within 'typed_print_translations', i.e. those *not*
represented as pseudo-terms are represented verbatim. Use @{class
c} or @{type_name c} here instead of the above syntax
antiquotations.
Note that old non-authentic syntax was based on unqualified base
names, so all of the above "constant" names would coincide. Recall
that 'print_syntax' and ML_command "set Syntax.trace_ast" help to
diagnose syntax problems.
* Type constructors admit general mixfix syntax, not just infix.
* Concrete syntax may be attached to local entities without a proof
body, too. This works via regular mixfix annotations for 'fix',
'def', 'obtain' etc. or via the explicit 'write' command, which is
similar to the 'notation' command in theory specifications.
* Discontinued unnamed infix syntax (legacy feature for many years) --
need to specify constant name and syntax separately. Internal ML
datatype constructors have been renamed from InfixName to Infix etc.
Minor INCOMPATIBILITY.
* Schematic theorem statements need to be explicitly markup as such,
via commands 'schematic_lemma', 'schematic_theorem',
'schematic_corollary'. Thus the relevance of the proof is made
syntactically clear, which impacts performance in a parallel or
asynchronous interactive environment. Minor INCOMPATIBILITY.
* Use of cumulative prems via "!" in some proof methods has been
discontinued (old legacy feature).
* References 'trace_simp' and 'debug_simp' have been replaced by
configuration options stored in the context. Enabling tracing (the
case of debugging is similar) in proofs works via
using [[trace_simp = true]]
Tracing is then active for all invocations of the simplifier in
subsequent goal refinement steps. Tracing may also still be enabled or
disabled via the ProofGeneral settings menu.
* Separate commands 'hide_class', 'hide_type', 'hide_const',
'hide_fact' replace the former 'hide' KIND command. Minor
INCOMPATIBILITY.
* Improved parallelism of proof term normalization: usedir -p2 -q0 is
more efficient than combinations with -q1 or -q2.
*** Pure ***
* Proofterms record type-class reasoning explicitly, using the
"unconstrain" operation internally. This eliminates all sort
constraints from a theorem and proof, introducing explicit
OFCLASS-premises. On the proof term level, this operation is
automatically applied at theorem boundaries, such that closed proofs
are always free of sort constraints. INCOMPATIBILITY for tools that
inspect proof terms.
* Local theory specifications may depend on extra type variables that
are not present in the result type -- arguments TYPE('a) :: 'a itself
are added internally. For example:
definition unitary :: bool where "unitary = (ALL (x::'a) y. x = y)"
* Predicates of locales introduced by classes carry a mandatory
"class" prefix. INCOMPATIBILITY.
* Vacuous class specifications observe default sort. INCOMPATIBILITY.
* Old 'axclass' command has been discontinued. INCOMPATIBILITY, use
'class' instead.
* Command 'code_reflect' allows to incorporate generated ML code into
runtime environment; replaces immature code_datatype antiquotation.
INCOMPATIBILITY.
* Code generator: simple concept for abstract datatypes obeying
invariants.
* Code generator: details of internal data cache have no impact on the
user space functionality any longer.
* Methods "unfold_locales" and "intro_locales" ignore non-locale
subgoals. This is more appropriate for interpretations with 'where'.
INCOMPATIBILITY.
* Command 'example_proof' opens an empty proof body. This allows to
experiment with Isar, without producing any persistent result.
* Commands 'type_notation' and 'no_type_notation' declare type syntax
within a local theory context, with explicit checking of the
constructors involved (in contrast to the raw 'syntax' versions).
* Commands 'types' and 'typedecl' now work within a local theory
context -- without introducing dependencies on parameters or
assumptions, which is not possible in Isabelle/Pure.
* Command 'defaultsort' has been renamed to 'default_sort', it works
within a local theory context. Minor INCOMPATIBILITY.
*** HOL ***
* Command 'typedef' now works within a local theory context -- without
introducing dependencies on parameters or assumptions, which is not
possible in Isabelle/Pure/HOL. Note that the logical environment may
contain multiple interpretations of local typedefs (with different
non-emptiness proofs), even in a global theory context.
* New package for quotient types. Commands 'quotient_type' and
'quotient_definition' may be used for defining types and constants by
quotient constructions. An example is the type of integers created by
quotienting pairs of natural numbers:
fun
intrel :: "(nat * nat) => (nat * nat) => bool"
where
"intrel (x, y) (u, v) = (x + v = u + y)"
quotient_type int = "nat * nat" / intrel
by (auto simp add: equivp_def expand_fun_eq)
quotient_definition
"0::int" is "(0::nat, 0::nat)"
The method "lifting" can be used to lift of theorems from the
underlying "raw" type to the quotient type. The example
src/HOL/Quotient_Examples/FSet.thy includes such a quotient
construction and provides a reasoning infrastructure for finite sets.
* Renamed Library/Quotient.thy to Library/Quotient_Type.thy to avoid
clash with new theory Quotient in Main HOL.
* Moved the SMT binding into the main HOL session, eliminating
separate HOL-SMT session.
* List membership infix mem operation is only an input abbreviation.
INCOMPATIBILITY.
* Theory Library/Word.thy has been removed. Use library Word/Word.thy
for future developements; former Library/Word.thy is still present in
the AFP entry RSAPPS.
* Theorem Int.int_induct renamed to Int.int_of_nat_induct and is no
longer shadowed. INCOMPATIBILITY.
* Dropped theorem duplicate comp_arith; use semiring_norm instead.
INCOMPATIBILITY.
* Dropped theorem RealPow.real_sq_order; use power2_le_imp_le instead.
INCOMPATIBILITY.
* Dropped normalizing_semiring etc; use the facts in semiring classes
instead. INCOMPATIBILITY.
* Dropped several real-specific versions of lemmas about floor and
ceiling; use the generic lemmas from theory "Archimedean_Field"
instead. INCOMPATIBILITY.
floor_number_of_eq ~> floor_number_of
le_floor_eq_number_of ~> number_of_le_floor
le_floor_eq_zero ~> zero_le_floor
le_floor_eq_one ~> one_le_floor
floor_less_eq_number_of ~> floor_less_number_of
floor_less_eq_zero ~> floor_less_zero
floor_less_eq_one ~> floor_less_one
less_floor_eq_number_of ~> number_of_less_floor
less_floor_eq_zero ~> zero_less_floor
less_floor_eq_one ~> one_less_floor
floor_le_eq_number_of ~> floor_le_number_of
floor_le_eq_zero ~> floor_le_zero
floor_le_eq_one ~> floor_le_one
floor_subtract_number_of ~> floor_diff_number_of
floor_subtract_one ~> floor_diff_one
ceiling_number_of_eq ~> ceiling_number_of
ceiling_le_eq_number_of ~> ceiling_le_number_of
ceiling_le_zero_eq ~> ceiling_le_zero
ceiling_le_eq_one ~> ceiling_le_one
less_ceiling_eq_number_of ~> number_of_less_ceiling
less_ceiling_eq_zero ~> zero_less_ceiling
less_ceiling_eq_one ~> one_less_ceiling
ceiling_less_eq_number_of ~> ceiling_less_number_of
ceiling_less_eq_zero ~> ceiling_less_zero
ceiling_less_eq_one ~> ceiling_less_one
le_ceiling_eq_number_of ~> number_of_le_ceiling
le_ceiling_eq_zero ~> zero_le_ceiling
le_ceiling_eq_one ~> one_le_ceiling
ceiling_subtract_number_of ~> ceiling_diff_number_of
ceiling_subtract_one ~> ceiling_diff_one
* Theory "Finite_Set": various folding_XXX locales facilitate the
application of the various fold combinators on finite sets.
* Library theory "RBT" renamed to "RBT_Impl"; new library theory "RBT"
provides abstract red-black tree type which is backed by "RBT_Impl" as
implementation. INCOMPATIBILTY.
* Theory Library/Coinductive_List has been removed -- superseded by
AFP/thys/Coinductive.
* Theory PReal, including the type "preal" and related operations, has
been removed. INCOMPATIBILITY.
* Real: new development using Cauchy Sequences.
* Split off theory "Big_Operators" containing setsum, setprod,
Inf_fin, Sup_fin, Min, Max from theory Finite_Set. INCOMPATIBILITY.
* Theory "Rational" renamed to "Rat", for consistency with "Nat",
"Int" etc. INCOMPATIBILITY.
* Constant Rat.normalize needs to be qualified. INCOMPATIBILITY.
* New set of rules "ac_simps" provides combined assoc / commute
rewrites for all interpretations of the appropriate generic locales.
* Renamed theory "OrderedGroup" to "Groups" and split theory
"Ring_and_Field" into theories "Rings" and "Fields"; for more
appropriate and more consistent names suitable for name prefixes
within the HOL theories. INCOMPATIBILITY.
* Some generic constants have been put to appropriate theories:
- less_eq, less: Orderings
- zero, one, plus, minus, uminus, times, abs, sgn: Groups
- inverse, divide: Rings
INCOMPATIBILITY.
* More consistent naming of type classes involving orderings (and
lattices):
lower_semilattice ~> semilattice_inf
upper_semilattice ~> semilattice_sup
dense_linear_order ~> dense_linorder
pordered_ab_group_add ~> ordered_ab_group_add
pordered_ab_group_add_abs ~> ordered_ab_group_add_abs
pordered_ab_semigroup_add ~> ordered_ab_semigroup_add
pordered_ab_semigroup_add_imp_le ~> ordered_ab_semigroup_add_imp_le
pordered_cancel_ab_semigroup_add ~> ordered_cancel_ab_semigroup_add
pordered_cancel_comm_semiring ~> ordered_cancel_comm_semiring
pordered_cancel_semiring ~> ordered_cancel_semiring
pordered_comm_monoid_add ~> ordered_comm_monoid_add
pordered_comm_ring ~> ordered_comm_ring
pordered_comm_semiring ~> ordered_comm_semiring
pordered_ring ~> ordered_ring
pordered_ring_abs ~> ordered_ring_abs
pordered_semiring ~> ordered_semiring
ordered_ab_group_add ~> linordered_ab_group_add
ordered_ab_semigroup_add ~> linordered_ab_semigroup_add
ordered_cancel_ab_semigroup_add ~> linordered_cancel_ab_semigroup_add
ordered_comm_semiring_strict ~> linordered_comm_semiring_strict
ordered_field ~> linordered_field
ordered_field_no_lb ~> linordered_field_no_lb
ordered_field_no_ub ~> linordered_field_no_ub
ordered_field_dense_linear_order ~> dense_linordered_field
ordered_idom ~> linordered_idom
ordered_ring ~> linordered_ring
ordered_ring_le_cancel_factor ~> linordered_ring_le_cancel_factor
ordered_ring_less_cancel_factor ~> linordered_ring_less_cancel_factor
ordered_ring_strict ~> linordered_ring_strict
ordered_semidom ~> linordered_semidom
ordered_semiring ~> linordered_semiring
ordered_semiring_1 ~> linordered_semiring_1
ordered_semiring_1_strict ~> linordered_semiring_1_strict
ordered_semiring_strict ~> linordered_semiring_strict
The following slightly odd type classes have been moved to a
separate theory Library/Lattice_Algebras:
lordered_ab_group_add ~> lattice_ab_group_add
lordered_ab_group_add_abs ~> lattice_ab_group_add_abs
lordered_ab_group_add_meet ~> semilattice_inf_ab_group_add
lordered_ab_group_add_join ~> semilattice_sup_ab_group_add
lordered_ring ~> lattice_ring
INCOMPATIBILITY.
* Refined field classes:
- classes division_ring_inverse_zero, field_inverse_zero,
linordered_field_inverse_zero include rule inverse 0 = 0 --
subsumes former division_by_zero class;
- numerous lemmas have been ported from field to division_ring.
INCOMPATIBILITY.
* Refined algebra theorem collections:
- dropped theorem group group_simps, use algebra_simps instead;
- dropped theorem group ring_simps, use field_simps instead;
- proper theorem collection field_simps subsumes former theorem
groups field_eq_simps and field_simps;
- dropped lemma eq_minus_self_iff which is a duplicate for
equal_neg_zero.
INCOMPATIBILITY.
* Theory Finite_Set and List: some lemmas have been generalized from
sets to lattices:
fun_left_comm_idem_inter ~> fun_left_comm_idem_inf
fun_left_comm_idem_union ~> fun_left_comm_idem_sup
inter_Inter_fold_inter ~> inf_Inf_fold_inf
union_Union_fold_union ~> sup_Sup_fold_sup
Inter_fold_inter ~> Inf_fold_inf
Union_fold_union ~> Sup_fold_sup
inter_INTER_fold_inter ~> inf_INFI_fold_inf
union_UNION_fold_union ~> sup_SUPR_fold_sup
INTER_fold_inter ~> INFI_fold_inf
UNION_fold_union ~> SUPR_fold_sup
* Theory "Complete_Lattice": lemmas top_def and bot_def have been
replaced by the more convenient lemmas Inf_empty and Sup_empty.
Dropped lemmas Inf_insert_simp and Sup_insert_simp, which are subsumed
by Inf_insert and Sup_insert. Lemmas Inf_UNIV and Sup_UNIV replace
former Inf_Univ and Sup_Univ. Lemmas inf_top_right and sup_bot_right
subsume inf_top and sup_bot respectively. INCOMPATIBILITY.
* Reorganized theory Multiset: swapped notation of pointwise and
multiset order:
- pointwise ordering is instance of class order with standard syntax
<= and <;
- multiset ordering has syntax <=# and <#; partial order properties
are provided by means of interpretation with prefix
multiset_order;
- less duplication, less historical organization of sections,
conversion from associations lists to multisets, rudimentary code
generation;
- use insert_DiffM2 [symmetric] instead of elem_imp_eq_diff_union,
if needed.
Renamed:
multiset_eq_conv_count_eq ~> multiset_ext_iff
multi_count_ext ~> multiset_ext
diff_union_inverse2 ~> diff_union_cancelR
INCOMPATIBILITY.
* Theory Permutation: replaced local "remove" by List.remove1.
* Code generation: ML and OCaml code is decorated with signatures.
* Theory List: added transpose.
* Library/Nat_Bijection.thy is a collection of bijective functions
between nat and other types, which supersedes the older libraries
Library/Nat_Int_Bij.thy and HOLCF/NatIso.thy. INCOMPATIBILITY.
Constants:
Nat_Int_Bij.nat2_to_nat ~> prod_encode
Nat_Int_Bij.nat_to_nat2 ~> prod_decode
Nat_Int_Bij.int_to_nat_bij ~> int_encode
Nat_Int_Bij.nat_to_int_bij ~> int_decode
Countable.pair_encode ~> prod_encode
NatIso.prod2nat ~> prod_encode
NatIso.nat2prod ~> prod_decode
NatIso.sum2nat ~> sum_encode
NatIso.nat2sum ~> sum_decode
NatIso.list2nat ~> list_encode
NatIso.nat2list ~> list_decode
NatIso.set2nat ~> set_encode
NatIso.nat2set ~> set_decode
Lemmas:
Nat_Int_Bij.bij_nat_to_int_bij ~> bij_int_decode
Nat_Int_Bij.nat2_to_nat_inj ~> inj_prod_encode
Nat_Int_Bij.nat2_to_nat_surj ~> surj_prod_encode
Nat_Int_Bij.nat_to_nat2_inj ~> inj_prod_decode
Nat_Int_Bij.nat_to_nat2_surj ~> surj_prod_decode
Nat_Int_Bij.i2n_n2i_id ~> int_encode_inverse
Nat_Int_Bij.n2i_i2n_id ~> int_decode_inverse
Nat_Int_Bij.surj_nat_to_int_bij ~> surj_int_encode
Nat_Int_Bij.surj_int_to_nat_bij ~> surj_int_decode
Nat_Int_Bij.inj_nat_to_int_bij ~> inj_int_encode
Nat_Int_Bij.inj_int_to_nat_bij ~> inj_int_decode
Nat_Int_Bij.bij_nat_to_int_bij ~> bij_int_encode
Nat_Int_Bij.bij_int_to_nat_bij ~> bij_int_decode
* Sledgehammer:
- Renamed ATP commands:
atp_info ~> sledgehammer running_atps
atp_kill ~> sledgehammer kill_atps
atp_messages ~> sledgehammer messages
atp_minimize ~> sledgehammer minimize
print_atps ~> sledgehammer available_atps
INCOMPATIBILITY.
- Added user's manual ("isabelle doc sledgehammer").
- Added option syntax and "sledgehammer_params" to customize
Sledgehammer's behavior. See the manual for details.
- Modified the Isar proof reconstruction code so that it produces
direct proofs rather than proofs by contradiction. (This feature
is still experimental.)
- Made Isar proof reconstruction work for SPASS, remote ATPs, and in
full-typed mode.
- Added support for TPTP syntax for SPASS via the "spass_tptp" ATP.
* Nitpick:
- Added and implemented "binary_ints" and "bits" options.
- Added "std" option and implemented support for nonstandard models.
- Added and implemented "finitize" option to improve the precision
of infinite datatypes based on a monotonicity analysis.
- Added support for quotient types.
- Added support for "specification" and "ax_specification"
constructs.
- Added support for local definitions (for "function" and
"termination" proofs).
- Added support for term postprocessors.
- Optimized "Multiset.multiset" and "FinFun.finfun".
- Improved efficiency of "destroy_constrs" optimization.
- Fixed soundness bugs related to "destroy_constrs" optimization and
record getters.
- Fixed soundness bug related to higher-order constructors.
- Fixed soundness bug when "full_descrs" is enabled.
- Improved precision of set constructs.
- Added "atoms" option.
- Added cache to speed up repeated Kodkod invocations on the same
problems.
- Renamed "MiniSatJNI", "zChaffJNI", "BerkMinAlloy", and
"SAT4JLight" to "MiniSat_JNI", "zChaff_JNI", "BerkMin_Alloy", and
"SAT4J_Light". INCOMPATIBILITY.
- Removed "skolemize", "uncurry", "sym_break", "flatten_prop",
"sharing_depth", and "show_skolems" options. INCOMPATIBILITY.
- Removed "nitpick_intro" attribute. INCOMPATIBILITY.
* Method "induct" now takes instantiations of the form t, where t is not
a variable, as a shorthand for "x == t", where x is a fresh variable.
If this is not intended, t has to be enclosed in parentheses.
By default, the equalities generated by definitional instantiations
are pre-simplified, which may cause parameters of inductive cases
to disappear, or may even delete some of the inductive cases.
Use "induct (no_simp)" instead of "induct" to restore the old
behaviour. The (no_simp) option is also understood by the "cases"
and "nominal_induct" methods, which now perform pre-simplification, too.
INCOMPATIBILITY.
*** HOLCF ***
* Variable names in lemmas generated by the domain package have
changed; the naming scheme is now consistent with the HOL datatype
package. Some proof scripts may be affected, INCOMPATIBILITY.
* The domain package no longer defines the function "foo_copy" for
recursive domain "foo". The reach lemma is now stated directly in
terms of "foo_take". Lemmas and proofs that mention "foo_copy" must
be reformulated in terms of "foo_take", INCOMPATIBILITY.
* Most definedness lemmas generated by the domain package (previously
of the form "x ~= UU ==> foo$x ~= UU") now have an if-and-only-if form
like "foo$x = UU <-> x = UU", which works better as a simp rule.
Proofs that used definedness lemmas as intro rules may break,
potential INCOMPATIBILITY.
* Induction and casedist rules generated by the domain package now
declare proper case_names (one called "bottom", and one named for each
constructor). INCOMPATIBILITY.
* For mutually-recursive domains, separate "reach" and "take_lemma"
rules are generated for each domain, INCOMPATIBILITY.
foo_bar.reach ~> foo.reach bar.reach
foo_bar.take_lemmas ~> foo.take_lemma bar.take_lemma
* Some lemmas generated by the domain package have been renamed for
consistency with the datatype package, INCOMPATIBILITY.
foo.ind ~> foo.induct
foo.finite_ind ~> foo.finite_induct
foo.coind ~> foo.coinduct
foo.casedist ~> foo.exhaust
foo.exhaust ~> foo.nchotomy
* For consistency with other definition packages, the fixrec package
now generates qualified theorem names, INCOMPATIBILITY.
foo_simps ~> foo.simps
foo_unfold ~> foo.unfold
foo_induct ~> foo.induct
* The "fixrec_simp" attribute has been removed. The "fixrec_simp"
method and internal fixrec proofs now use the default simpset instead.
INCOMPATIBILITY.
* The "contlub" predicate has been removed. Proof scripts should use
lemma contI2 in place of monocontlub2cont, INCOMPATIBILITY.
* The "admw" predicate has been removed, INCOMPATIBILITY.
* The constants cpair, cfst, and csnd have been removed in favor of
Pair, fst, and snd from Isabelle/HOL, INCOMPATIBILITY.
*** ML ***
* Antiquotations for basic formal entities:
@{class NAME} -- type class
@{class_syntax NAME} -- syntax representation of the above
@{type_name NAME} -- logical type
@{type_abbrev NAME} -- type abbreviation
@{nonterminal NAME} -- type of concrete syntactic category
@{type_syntax NAME} -- syntax representation of any of the above
@{const_name NAME} -- logical constant (INCOMPATIBILITY)
@{const_abbrev NAME} -- abbreviated constant