NEWS
author wenzelm
Sun, 08 Nov 2009 18:43:42 +0100
changeset 33522 737589bb9bb8
parent 33472 e88f67d679c4
child 33524 a08e6c1cbc04
permissions -rw-r--r--
adapted Theory_Data; tuned;
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Isabelle NEWS -- history user-relevant changes
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==============================================
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New in this Isabelle version
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----------------------------
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*** General ***
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* Discontinued old form of "escaped symbols" such as \\<forall>.  Only
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one backslash should be used, even in ML sources.
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*** Pure ***
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* On instantiation of classes, remaining undefined class parameters
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are formally declared.  INCOMPATIBILITY.
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* Locale interpretation propagates mixins along the locale hierarchy.
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The currently only available mixins are the equations used to map
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local definitions to terms of the target domain of an interpretation.
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* Reactivated diagnositc command 'print_interps'.  Use 'print_interps l'
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to print all interpretations of locale l in the theory.  Interpretations
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in proofs are not shown.
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* Thoroughly revised locales tutorial.  New section on conditional
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interpretation.
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*** document preparation ***
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* New generalized style concept for printing terms:
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write @{foo (style) ...} instead of @{foo_style style ...}
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(old form is still retained for backward compatibility).
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Styles can be also applied for antiquotations prop, term_type and typeof.
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d403b99287ff new generalized concept for term styles
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*** HOL ***
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* Combined former theories Divides and IntDiv to one theory Divides
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in the spirit of other number theory theories in HOL;  some constants
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(and to a lesser extent also facts) have been suffixed with _nat und _int
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respectively.  INCOMPATIBILITY.
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* Most rules produced by inductive and datatype package
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have mandatory prefixes.
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INCOMPATIBILITY.
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* New proof method "smt" for a combination of first-order logic
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with equality, linear and nonlinear (natural/integer/real)
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arithmetic, and fixed-size bitvectors; there is also basic
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support for higher-order features (esp. lambda abstractions).
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It is an incomplete decision procedure based on external SMT
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solvers using the oracle mechanism; for the SMT solver Z3,
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this method is proof-producing. Certificates are provided to
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avoid calling the external solvers solely for re-checking proofs.
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Due to a remote SMT service there is no need for installing SMT
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solvers locally.
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* New commands to load and prove verification conditions
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generated by the Boogie program verifier or derived systems
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(e.g. the Verifying C Compiler (VCC) or Spec#).
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* New counterexample generator tool "nitpick" based on the Kodkod
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relational model finder.
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* Reorganization of number theory:
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  * former session NumberTheory now named Old_Number_Theory
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  * new session Number_Theory by Jeremy Avigad; if possible, prefer this.
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  * moved legacy theories Legacy_GCD and Primes from Library/ to Old_Number_Theory/;
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  * moved theory Pocklington from Library/ to Old_Number_Theory/;
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  * removed various references to Old_Number_Theory from HOL distribution.
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INCOMPATIBILITY.
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* Theory GCD now has functions Gcd/GCD and Lcm/LCM for the gcd and lcm
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of finite and infinite sets. It is shown that they form a complete
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lattice.
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33269
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* New theory SupInf of the supremum and infimum operators for sets of reals.
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* New theory Probability, which contains a development of measure theory, eventually leading to Lebesgue integration and probability.
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* Split off prime number ingredients from theory GCD
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to theory Number_Theory/Primes;
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* Class semiring_div requires superclass no_zero_divisors and proof of
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div_mult_mult1; theorems div_mult_mult1, div_mult_mult2,
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div_mult_mult1_if, div_mult_mult1 and div_mult_mult2 have been
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generalized to class semiring_div, subsuming former theorems
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zdiv_zmult_zmult1, zdiv_zmult_zmult1_if, zdiv_zmult_zmult1 and
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zdiv_zmult_zmult2.  div_mult_mult1 is now [simp] by default.
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INCOMPATIBILITY.
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* New testing tool "Mirabelle" for automated (proof) tools. Applies
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several tools and tactics like sledgehammer, metis, or quickcheck, to
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every proof step in a theory. To be used in batch mode via the
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"mirabelle" utility.
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* New proof method "sos" (sum of squares) for nonlinear real
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arithmetic (originally due to John Harison). It requires
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Library/Sum_Of_Squares.  It is not a complete decision procedure but
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works well in practice on quantifier-free real arithmetic with +, -,
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*, ^, =, <= and <, i.e. boolean combinations of equalities and
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inequalities between polynomials. It makes use of external
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semidefinite programming solvers. Method "sos" generates a certificate
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that can be pasted into the proof thus avoiding the need to call an external
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tool every time the proof is checked.
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For more information and examples see src/HOL/Library/Sum_Of_Squares.
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* Code generator attributes follow the usual underscore convention:
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    code_unfold     replaces    code unfold
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    code_post       replaces    code post
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    etc.
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  INCOMPATIBILITY.
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* Refinements to lattice classes and sets:
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  - less default intro/elim rules in locale variant, more default
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    intro/elim rules in class variant: more uniformity
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  - lemma ge_sup_conv renamed to le_sup_iff, in accordance with le_inf_iff
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  - dropped lemma alias inf_ACI for inf_aci (same for sup_ACI and sup_aci)
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  - renamed ACI to inf_sup_aci
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  - new class "boolean_algebra"
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  - class "complete_lattice" moved to separate theory "complete_lattice";
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    corresponding constants (and abbreviations) renamed and with authentic syntax:
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    Set.Inf ~>      Complete_Lattice.Inf
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    Set.Sup ~>      Complete_Lattice.Sup
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    Set.INFI ~>     Complete_Lattice.INFI
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    Set.SUPR ~>     Complete_Lattice.SUPR
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    Set.Inter ~>    Complete_Lattice.Inter
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    Set.Union ~>    Complete_Lattice.Union
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    Set.INTER ~>    Complete_Lattice.INTER
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    Set.UNION ~>    Complete_Lattice.UNION
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  - more convenient names for set intersection and union:
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    Set.Int ~>      Set.inter
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    Set.Un ~>       Set.union
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  - authentic syntax for
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    Set.Pow
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    Set.image
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  - mere abbreviations:
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    Set.empty               (for bot)
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    Set.UNIV                (for top)
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    Set.inter               (for inf)
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    Set.union               (for sup)
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    Complete_Lattice.Inter  (for Inf)
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    Complete_Lattice.Union  (for Sup)
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    Complete_Lattice.INTER  (for INFI)
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    Complete_Lattice.UNION  (for SUPR)
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  - object-logic definitions as far as appropriate
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INCOMPATIBILITY.  Care is required when theorems Int_subset_iff or
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Un_subset_iff are explicitly deleted as default simp rules;  then
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also their lattice counterparts le_inf_iff and le_sup_iff have to be
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deleted to achieve the desired effect.
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* Rules inf_absorb1, inf_absorb2, sup_absorb1, sup_absorb2 are no
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simp rules by default any longer.  The same applies to
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min_max.inf_absorb1 etc.!  INCOMPATIBILITY.
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* sup_Int_eq and sup_Un_eq are no default pred_set_conv rules any longer.
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INCOMPATIBILITY.
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   161
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398c0f48a99e discontinued escaped symbols;
wenzelm
parents: 31481
diff changeset
   162
* Power operations on relations and functions are now one dedicate
32706
b68f3afdc137 NEWS; corrected spelling
haftmann
parents: 32697
diff changeset
   163
constant "compow" with infix syntax "^^".  Power operation on
31547
398c0f48a99e discontinued escaped symbols;
wenzelm
parents: 31481
diff changeset
   164
multiplicative monoids retains syntax "^" and is now defined generic
398c0f48a99e discontinued escaped symbols;
wenzelm
parents: 31481
diff changeset
   165
in class power.  INCOMPATIBILITY.
398c0f48a99e discontinued escaped symbols;
wenzelm
parents: 31481
diff changeset
   166
32427
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   167
* Relation composition "R O S" now has a "more standard" argument
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   168
order, i.e., "R O S = {(x,z). EX y. (x,y) : R & (y,z) : S }".
32235
8f9b8d14fc9f "more standard" argument order of relation composition (op O)
krauss
parents: 32217
diff changeset
   169
INCOMPATIBILITY: Rewrite propositions with "S O R" --> "R O S". Proofs
32427
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   170
may occationally break, since the O_assoc rule was not rewritten like
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   171
this.  Fix using O_assoc[symmetric].  The same applies to the curried
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   172
version "R OO S".
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   173
33057
764547b68538 inv_onto -> inv_into
nipkow
parents: 33037
diff changeset
   174
* Function "Inv" is renamed to "inv_into" and function "inv" is now an
764547b68538 inv_onto -> inv_into
nipkow
parents: 33037
diff changeset
   175
abbreviation for "inv_into UNIV". Lemmas are renamed accordingly.
32988
d1d4d7a08a66 Inv -> inv_onto, inv abbr. inv_onto UNIV.
nipkow
parents: 32898
diff changeset
   176
INCOMPATIBILITY.
d1d4d7a08a66 Inv -> inv_onto, inv abbr. inv_onto UNIV.
nipkow
parents: 32898
diff changeset
   177
31547
398c0f48a99e discontinued escaped symbols;
wenzelm
parents: 31481
diff changeset
   178
* ML antiquotation @{code_datatype} inserts definition of a datatype
398c0f48a99e discontinued escaped symbols;
wenzelm
parents: 31481
diff changeset
   179
generated by the code generator; see Predicate.thy for an example.
398c0f48a99e discontinued escaped symbols;
wenzelm
parents: 31481
diff changeset
   180
398c0f48a99e discontinued escaped symbols;
wenzelm
parents: 31481
diff changeset
   181
* New method "linarith" invokes existing linear arithmetic decision
398c0f48a99e discontinued escaped symbols;
wenzelm
parents: 31481
diff changeset
   182
procedure only.
31481
60ae1588f232 method linarith
haftmann
parents: 31317
diff changeset
   183
32427
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   184
* New implementation of quickcheck uses generic code generator;
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   185
default generators are provided for all suitable HOL types, records
33084
cd1579e0997a turned off old quickcheck
haftmann
parents: 33057
diff changeset
   186
and datatypes.  Old quickcheck can be re-activated importing
cd1579e0997a turned off old quickcheck
haftmann
parents: 33057
diff changeset
   187
theory Library/SML_Quickcheck.
31900
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   188
31790
05c92381363c corrected and unified thm names
nipkow
parents: 31784
diff changeset
   189
* Renamed theorems:
05c92381363c corrected and unified thm names
nipkow
parents: 31784
diff changeset
   190
Suc_eq_add_numeral_1 -> Suc_eq_plus1
05c92381363c corrected and unified thm names
nipkow
parents: 31784
diff changeset
   191
Suc_eq_add_numeral_1_left -> Suc_eq_plus1_left
05c92381363c corrected and unified thm names
nipkow
parents: 31784
diff changeset
   192
Suc_plus1 -> Suc_eq_plus1
05c92381363c corrected and unified thm names
nipkow
parents: 31784
diff changeset
   193
32463
3a0a65ca2261 moved lemma Wellfounded.in_inv_image to Relation.thy
krauss
parents: 32433
diff changeset
   194
* Moved theorems:
3a0a65ca2261 moved lemma Wellfounded.in_inv_image to Relation.thy
krauss
parents: 32433
diff changeset
   195
Wellfounded.in_inv_image -> Relation.in_inv_image
3a0a65ca2261 moved lemma Wellfounded.in_inv_image to Relation.thy
krauss
parents: 32433
diff changeset
   196
31814
7c122634da81 lcm abs lemmas
nipkow
parents: 31812
diff changeset
   197
* New sledgehammer option "Full Types" in Proof General settings menu.
31900
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   198
Causes full type information to be output to the ATPs.  This slows
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   199
ATPs down considerably but eliminates a source of unsound "proofs"
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   200
that fail later.
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   201
32597
1e2872252f91 NEWS: New method metisFT
paulson
parents: 32588
diff changeset
   202
* New method metisFT: A version of metis that uses full type information
1e2872252f91 NEWS: New method metisFT
paulson
parents: 32588
diff changeset
   203
in order to avoid failures of proof reconstruction.
1e2872252f91 NEWS: New method metisFT
paulson
parents: 32588
diff changeset
   204
31900
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   205
* Discontinued ancient tradition to suffix certain ML module names
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   206
with "_package", e.g.:
31723
f5cafe803b55 discontinued ancient tradition to suffix certain ML module names with "_package"
haftmann
parents: 31643
diff changeset
   207
f5cafe803b55 discontinued ancient tradition to suffix certain ML module names with "_package"
haftmann
parents: 31643
diff changeset
   208
    DatatypePackage ~> Datatype
f5cafe803b55 discontinued ancient tradition to suffix certain ML module names with "_package"
haftmann
parents: 31643
diff changeset
   209
    InductivePackage ~> Inductive
f5cafe803b55 discontinued ancient tradition to suffix certain ML module names with "_package"
haftmann
parents: 31643
diff changeset
   210
f5cafe803b55 discontinued ancient tradition to suffix certain ML module names with "_package"
haftmann
parents: 31643
diff changeset
   211
INCOMPATIBILITY.
f5cafe803b55 discontinued ancient tradition to suffix certain ML module names with "_package"
haftmann
parents: 31643
diff changeset
   212
32427
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   213
* Discontinued abbreviation "arbitrary" of constant
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   214
"undefined". INCOMPATIBILITY, use "undefined" directly.
31900
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   215
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   216
* New evaluator "approximate" approximates an real valued term using
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   217
the same method as the approximation method.
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   218
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   219
* Method "approximate" supports now arithmetic expressions as
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   220
boundaries of intervals and implements interval splitting and Taylor
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   221
series expansion.
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   222
31901
e280491f36b8 renamed NamedThmsFun to Named_Thms;
wenzelm
parents: 31900
diff changeset
   223
* Changed DERIV_intros to a dynamic fact (via Named_Thms).  Each of
31900
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   224
the theorems in DERIV_intros assumes composition with an additional
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   225
function and matches a variable to the derivative, which has to be
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   226
solved by the simplifier.  Hence (auto intro!: DERIV_intros) computes
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   227
the derivative of most elementary terms.
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   228
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   229
* Maclauren.DERIV_tac and Maclauren.deriv_tac was removed, they are
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   230
replaced by: (auto intro!: DERIV_intros).  INCOMPATIBILITY.
7c35d9ad0349 misc tuning;
wenzelm
parents: 31884
diff changeset
   231
33471
5aef13872723 renamed method induct_scheme to induction_schema
krauss
parents: 33470
diff changeset
   232
* Renamed methods:
5aef13872723 renamed method induct_scheme to induction_schema
krauss
parents: 33470
diff changeset
   233
    sizechange -> size_change
5aef13872723 renamed method induct_scheme to induction_schema
krauss
parents: 33470
diff changeset
   234
    induct_scheme -> induction_schema
33470
krauss
parents: 33419
diff changeset
   235
31812
73dc3a98669c NEWS updated
hoelzl
parents: 31810
diff changeset
   236
31304
00a9c674cf40 eliminated old Method.add_method(s);
wenzelm
parents: 31001
diff changeset
   237
*** ML ***
00a9c674cf40 eliminated old Method.add_method(s);
wenzelm
parents: 31001
diff changeset
   238
33037
b22e44496dc2 replaced old_style infixes eq_set, subset, union, inter and variants by generic versions
haftmann
parents: 33010
diff changeset
   239
* Removed some old-style infix operations using polymorphic equality.
b22e44496dc2 replaced old_style infixes eq_set, subset, union, inter and variants by generic versions
haftmann
parents: 33010
diff changeset
   240
INCOMPATIBILITY.
b22e44496dc2 replaced old_style infixes eq_set, subset, union, inter and variants by generic versions
haftmann
parents: 33010
diff changeset
   241
32742
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   242
* Structure Synchronized (cf. src/Pure/Concurrent/synchronized.ML)
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   243
provides a high-level programming interface to synchronized state
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   244
variables with atomic update.  This works via pure function
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   245
application within a critical section -- its runtime should be as
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   246
short as possible; beware of deadlocks if critical code is nested,
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   247
either directly or indirectly via other synchronized variables!
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   248
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   249
* Structure Unsynchronized (cf. src/Pure/ML-Systems/unsynchronized.ML)
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   250
wraps raw ML references, explicitly indicating their non-thread-safe
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   251
behaviour.  The Isar toplevel keeps this structure open, to
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   252
accommodate Proof General as well as quick and dirty interactive
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   253
experiments with references.
58e5f4ae52a6 Synchronized and Unsynchronized;
wenzelm
parents: 32706
diff changeset
   254
32365
9b74d0339c44 added PARALLEL_CHOICE, PARALLEL_GOALS;
wenzelm
parents: 32326
diff changeset
   255
* PARALLEL_CHOICE and PARALLEL_GOALS provide basic support for
9b74d0339c44 added PARALLEL_CHOICE, PARALLEL_GOALS;
wenzelm
parents: 32326
diff changeset
   256
parallel tactical reasoning.
9b74d0339c44 added PARALLEL_CHOICE, PARALLEL_GOALS;
wenzelm
parents: 32326
diff changeset
   257
32427
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   258
* Tacticals Subgoal.FOCUS, Subgoal.FOCUS_PREMS, Subgoal.FOCUS_PARAMS
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   259
are similar to SUBPROOF, but are slightly more flexible: only the
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   260
specified parts of the subgoal are imported into the context, and the
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   261
body tactic may introduce new subgoals and schematic variables.
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   262
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   263
* Old tactical METAHYPS, which does not observe the proof context, has
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   264
been renamed to Old_Goals.METAHYPS and awaits deletion.  Use SUBPROOF
0a94e1f264ce misc updates and tuning;
wenzelm
parents: 32388
diff changeset
   265
or Subgoal.FOCUS etc.
32216
2f3d65d15149 tacticals FOCUS and FOCUS_PARAMS;
wenzelm
parents: 32151
diff changeset
   266
31971
8c1b845ed105 renamed functor TableFun to Table, and GraphFun to Graph;
wenzelm
parents: 31901
diff changeset
   267
* Renamed functor TableFun to Table, and GraphFun to Graph.  (Since
8c1b845ed105 renamed functor TableFun to Table, and GraphFun to Graph;
wenzelm
parents: 31901
diff changeset
   268
functors have their own ML name space there is no point to mark them
8c1b845ed105 renamed functor TableFun to Table, and GraphFun to Graph;
wenzelm
parents: 31901
diff changeset
   269
separately.)  Minor INCOMPATIBILITY.
8c1b845ed105 renamed functor TableFun to Table, and GraphFun to Graph;
wenzelm
parents: 31901
diff changeset
   270
31901
e280491f36b8 renamed NamedThmsFun to Named_Thms;
wenzelm
parents: 31900
diff changeset
   271
* Renamed NamedThmsFun to Named_Thms.  INCOMPATIBILITY.
e280491f36b8 renamed NamedThmsFun to Named_Thms;
wenzelm
parents: 31900
diff changeset
   272
31306
a74ee84288a0 eliminated old Attrib.add_attributes (and Attrib.syntax);
wenzelm
parents: 31304
diff changeset
   273
* Eliminated old Attrib.add_attributes, Method.add_methods and related
a74ee84288a0 eliminated old Attrib.add_attributes (and Attrib.syntax);
wenzelm
parents: 31304
diff changeset
   274
cominators for "args".  INCOMPATIBILITY, need to use simplified
a74ee84288a0 eliminated old Attrib.add_attributes (and Attrib.syntax);
wenzelm
parents: 31304
diff changeset
   275
Attrib/Method.setup introduced in Isabelle2009.
31304
00a9c674cf40 eliminated old Method.add_method(s);
wenzelm
parents: 31001
diff changeset
   276
32151
2f65c45c2e7e Proper context for simpset_of, claset_of, clasimpset_of.
wenzelm
parents: 32136
diff changeset
   277
* Proper context for simpset_of, claset_of, clasimpset_of.  May fall
2f65c45c2e7e Proper context for simpset_of, claset_of, clasimpset_of.
wenzelm
parents: 32136
diff changeset
   278
back on global_simpset_of, global_claset_of, global_clasimpset_of as
2f65c45c2e7e Proper context for simpset_of, claset_of, clasimpset_of.
wenzelm
parents: 32136
diff changeset
   279
last resort.  INCOMPATIBILITY.
2f65c45c2e7e Proper context for simpset_of, claset_of, clasimpset_of.
wenzelm
parents: 32136
diff changeset
   280
32092
6a5995438266 Display.pretty_thm now requires a proper context;
wenzelm
parents: 32079
diff changeset
   281
* Display.pretty_thm now requires a proper context (cf. former
6a5995438266 Display.pretty_thm now requires a proper context;
wenzelm
parents: 32079
diff changeset
   282
ProofContext.pretty_thm).  May fall back on Display.pretty_thm_global
6a5995438266 Display.pretty_thm now requires a proper context;
wenzelm
parents: 32079
diff changeset
   283
or even Display.pretty_thm_without_context as last resort.
6a5995438266 Display.pretty_thm now requires a proper context;
wenzelm
parents: 32079
diff changeset
   284
INCOMPATIBILITY.
6a5995438266 Display.pretty_thm now requires a proper context;
wenzelm
parents: 32079
diff changeset
   285
32433
11661f4327bb discontinued Display.pretty_ctyp/cterm etc.;
wenzelm
parents: 32427
diff changeset
   286
* Discontinued Display.pretty_ctyp/cterm etc.  INCOMPATIBILITY, use
11661f4327bb discontinued Display.pretty_ctyp/cterm etc.;
wenzelm
parents: 32427
diff changeset
   287
Syntax.pretty_typ/term directly, preferably with proper context
11661f4327bb discontinued Display.pretty_ctyp/cterm etc.;
wenzelm
parents: 32427
diff changeset
   288
instead of global theory.
11661f4327bb discontinued Display.pretty_ctyp/cterm etc.;
wenzelm
parents: 32427
diff changeset
   289
32970
fbd2bb2489a8 operations of structure Skip_Proof (formerly SkipProof) no longer require quick_and_dirty mode;
wenzelm
parents: 32898
diff changeset
   290
* Operations of structure Skip_Proof (formerly SkipProof) no longer
fbd2bb2489a8 operations of structure Skip_Proof (formerly SkipProof) no longer require quick_and_dirty mode;
wenzelm
parents: 32898
diff changeset
   291
require quick_and_dirty mode, which avoids critical setmp.
fbd2bb2489a8 operations of structure Skip_Proof (formerly SkipProof) no longer require quick_and_dirty mode;
wenzelm
parents: 32898
diff changeset
   292
31304
00a9c674cf40 eliminated old Method.add_method(s);
wenzelm
parents: 31001
diff changeset
   293
31308
3fd52453ae81 discontinued support for Poly/ML 4.x versions;
wenzelm
parents: 31306
diff changeset
   294
*** System ***
3fd52453ae81 discontinued support for Poly/ML 4.x versions;
wenzelm
parents: 31306
diff changeset
   295
32326
9d70ecf11b7a etc/components;
wenzelm
parents: 32270
diff changeset
   296
* Support for additional "Isabelle components" via etc/components, see
9d70ecf11b7a etc/components;
wenzelm
parents: 32270
diff changeset
   297
also the system manual.
9d70ecf11b7a etc/components;
wenzelm
parents: 32270
diff changeset
   298
9d70ecf11b7a etc/components;
wenzelm
parents: 32270
diff changeset
   299
* The isabelle makeall tool now operates on all components with
9d70ecf11b7a etc/components;
wenzelm
parents: 32270
diff changeset
   300
IsaMakefile, not just hardwired "logics".
9d70ecf11b7a etc/components;
wenzelm
parents: 32270
diff changeset
   301
31308
3fd52453ae81 discontinued support for Poly/ML 4.x versions;
wenzelm
parents: 31306
diff changeset
   302
* Discontinued support for Poly/ML 4.x versions.
3fd52453ae81 discontinued support for Poly/ML 4.x versions;
wenzelm
parents: 31306
diff changeset
   303
31317
1f5740424c69 removed "compress" option from isabelle-process and isabelle usedir -- this is always enabled;
wenzelm
parents: 31308
diff changeset
   304
* Removed "compress" option from isabelle-process and isabelle usedir;
1f5740424c69 removed "compress" option from isabelle-process and isabelle usedir -- this is always enabled;
wenzelm
parents: 31308
diff changeset
   305
this is always enabled.
1f5740424c69 removed "compress" option from isabelle-process and isabelle usedir -- this is always enabled;
wenzelm
parents: 31308
diff changeset
   306
32061
11f8ee55662d parallel_proofs: more fine-grained control with optional parallel checking of nested Isar proofs;
wenzelm
parents: 31997
diff changeset
   307
* More fine-grained control of proof parallelism, cf.
11f8ee55662d parallel_proofs: more fine-grained control with optional parallel checking of nested Isar proofs;
wenzelm
parents: 31997
diff changeset
   308
Goal.parallel_proofs in ML and usedir option -q LEVEL.
11f8ee55662d parallel_proofs: more fine-grained control with optional parallel checking of nested Isar proofs;
wenzelm
parents: 31997
diff changeset
   309
31308
3fd52453ae81 discontinued support for Poly/ML 4.x versions;
wenzelm
parents: 31306
diff changeset
   310
31304
00a9c674cf40 eliminated old Method.add_method(s);
wenzelm
parents: 31001
diff changeset
   311
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   312
New in Isabelle2009 (April 2009)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   313
--------------------------------
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   314
27599
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   315
*** General ***
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   316
28504
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   317
* Simplified main Isabelle executables, with less surprises on
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   318
case-insensitive file-systems (such as Mac OS).
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   319
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   320
  - The main Isabelle tool wrapper is now called "isabelle" instead of
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   321
    "isatool."
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   322
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   323
  - The former "isabelle" alias for "isabelle-process" has been
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   324
    removed (should rarely occur to regular users).
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   325
28915
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
   326
  - The former "isabelle-interface" and its alias "Isabelle" have been
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
   327
    removed (interfaces are now regular Isabelle tools).
28504
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   328
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   329
Within scripts and make files, the Isabelle environment variables
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   330
ISABELLE_TOOL and ISABELLE_PROCESS replace old ISATOOL and ISABELLE,
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   331
respectively.  (The latter are still available as legacy feature.)
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   332
28915
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
   333
The old isabelle-interface wrapper could react in confusing ways if
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
   334
the interface was uninstalled or changed otherwise.  Individual
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
   335
interface tool configuration is now more explicit, see also the
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
   336
Isabelle system manual.  In particular, Proof General is now available
0642cbb60c98 removed obsolete isabelle-interface executable and ISABELLE_INTERFACE setting;
wenzelm
parents: 28914
diff changeset
   337
via "isabelle emacs".
28504
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   338
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   339
INCOMPATIBILITY, need to adapt derivative scripts.  Users may need to
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   340
purge installed copies of Isabelle executables and re-run "isabelle
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   341
install -p ...", or use symlinks.
7ad7d7d6df47 simplified main Isabelle executables: removed Isabelle and isabelle (replaced by isabelle-process), renamed isatool to isabelle;
wenzelm
parents: 28475
diff changeset
   342
28914
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
   343
* The default for ISABELLE_HOME_USER is now ~/.isabelle instead of the
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   344
old ~/isabelle, which was slightly non-standard and apt to cause
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   345
surprises on case-insensitive file-systems (such as Mac OS).
28914
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
   346
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
   347
INCOMPATIBILITY, need to move existing ~/isabelle/etc,
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
   348
~/isabelle/heaps, ~/isabelle/browser_info to the new place.  Special
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
   349
care is required when using older releases of Isabelle.  Note that
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
   350
ISABELLE_HOME_USER can be changed in Isabelle/etc/settings of any
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   351
Isabelle distribution, in order to use the new ~/.isabelle uniformly.
28914
f993cbffc42a default for ISABELLE_HOME_USER is now ~/.isabelle instead of ~/isabelle;
wenzelm
parents: 28856
diff changeset
   352
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   353
* Proofs of fully specified statements are run in parallel on
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   354
multi-core systems.  A speedup factor of 2.5 to 3.2 can be expected on
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   355
a regular 4-core machine, if the initial heap space is made reasonably
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   356
large (cf. Poly/ML option -H).  (Requires Poly/ML 5.2.1 or later.)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   357
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   358
* The main reference manuals ("isar-ref", "implementation", and
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   359
"system") have been updated and extended.  Formally checked references
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   360
as hyperlinks are now available uniformly.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   361
30163
faf95eb3f375 * New prover for coherent logic (see src/Tools/coherent.ML).
wenzelm
parents: 30106
diff changeset
   362
27599
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   363
*** Pure ***
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   364
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   365
* Complete re-implementation of locales.  INCOMPATIBILITY in several
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   366
respects.  The most important changes are listed below.  See the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   367
Tutorial on Locales ("locales" manual) for details.
29253
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   368
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   369
- In locale expressions, instantiation replaces renaming.  Parameters
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   370
must be declared in a for clause.  To aid compatibility with previous
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   371
parameter inheritance, in locale declarations, parameters that are not
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   372
'touched' (instantiation position "_" or omitted) are implicitly added
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   373
with their syntax at the beginning of the for clause.
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   374
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   375
- Syntax from abbreviations and definitions in locales is available in
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   376
locale expressions and context elements.  The latter is particularly
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   377
useful in locale declarations.
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   378
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   379
- More flexible mechanisms to qualify names generated by locale
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   380
expressions.  Qualifiers (prefixes) may be specified in locale
30728
f0aeca99b5d9 interpretation/interpret: prefixes are mandatory by default;
wenzelm
parents: 30706
diff changeset
   381
expressions, and can be marked as mandatory (syntax: "name!:") or
f0aeca99b5d9 interpretation/interpret: prefixes are mandatory by default;
wenzelm
parents: 30706
diff changeset
   382
optional (syntax "name?:").  The default depends for plain "name:"
f0aeca99b5d9 interpretation/interpret: prefixes are mandatory by default;
wenzelm
parents: 30706
diff changeset
   383
depends on the situation where a locale expression is used: in
f0aeca99b5d9 interpretation/interpret: prefixes are mandatory by default;
wenzelm
parents: 30706
diff changeset
   384
commands 'locale' and 'sublocale' prefixes are optional, in
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   385
'interpretation' and 'interpret' prefixes are mandatory.  The old
30728
f0aeca99b5d9 interpretation/interpret: prefixes are mandatory by default;
wenzelm
parents: 30706
diff changeset
   386
implicit qualifiers derived from the parameter names of a locale are
f0aeca99b5d9 interpretation/interpret: prefixes are mandatory by default;
wenzelm
parents: 30706
diff changeset
   387
no longer generated.
30106
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   388
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   389
- Command "sublocale l < e" replaces "interpretation l < e".  The
30106
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   390
instantiation clause in "interpretation" and "interpret" (square
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   391
brackets) is no longer available.  Use locale expressions.
29253
3c6cd80a4854 New locales.
ballarin
parents: 29197
diff changeset
   392
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   393
- When converting proof scripts, mandatory qualifiers in
30728
f0aeca99b5d9 interpretation/interpret: prefixes are mandatory by default;
wenzelm
parents: 30706
diff changeset
   394
'interpretation' and 'interpret' should be retained by default, even
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   395
if this is an INCOMPATIBILITY compared to former behavior.  In the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   396
worst case, use the "name?:" form for non-mandatory ones.  Qualifiers
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   397
in locale expressions range over a single locale instance only.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   398
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   399
- Dropped locale element "includes".  This is a major INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   400
In existing theorem specifications replace the includes element by the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   401
respective context elements of the included locale, omitting those
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   402
that are already present in the theorem specification.  Multiple
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   403
assume elements of a locale should be replaced by a single one
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   404
involving the locale predicate.  In the proof body, declarations (most
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   405
notably theorems) may be regained by interpreting the respective
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   406
locales in the proof context as required (command "interpret").
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   407
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   408
If using "includes" in replacement of a target solely because the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   409
parameter types in the theorem are not as general as in the target,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   410
consider declaring a new locale with additional type constraints on
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   411
the parameters (context element "constrains").
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   412
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   413
- Discontinued "locale (open)".  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   414
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   415
- Locale interpretation commands no longer attempt to simplify goal.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   416
INCOMPATIBILITY: in rare situations the generated goal differs.  Use
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   417
methods intro_locales and unfold_locales to clarify.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   418
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   419
- Locale interpretation commands no longer accept interpretation
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   420
attributes.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   421
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   422
* Class declaration: so-called "base sort" must not be given in import
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   423
list any longer, but is inferred from the specification.  Particularly
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   424
in HOL, write
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   425
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   426
    class foo = ...
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   427
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   428
instead of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   429
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   430
    class foo = type + ...
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   431
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   432
* Class target: global versions of theorems stemming do not carry a
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   433
parameter prefix any longer.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   434
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   435
* Class 'instance' command no longer accepts attached definitions.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   436
INCOMPATIBILITY, use proper 'instantiation' target instead.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   437
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   438
* Recovered hiding of consts, which was accidentally broken in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   439
Isabelle2007.  Potential INCOMPATIBILITY, ``hide const c'' really
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   440
makes c inaccessible; consider using ``hide (open) const c'' instead.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   441
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   442
* Slightly more coherent Pure syntax, with updated documentation in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   443
isar-ref manual.  Removed locales meta_term_syntax and
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   444
meta_conjunction_syntax: TERM and &&& (formerly &&) are now permanent,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   445
INCOMPATIBILITY in rare situations.  Note that &&& should not be used
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   446
directly in regular applications.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   447
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   448
* There is a new syntactic category "float_const" for signed decimal
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   449
fractions (e.g. 123.45 or -123.45).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   450
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   451
* Removed exotic 'token_translation' command.  INCOMPATIBILITY, use ML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   452
interface with 'setup' command instead.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   453
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   454
* Command 'local_setup' is similar to 'setup', but operates on a local
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   455
theory context.
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   456
28114
2637fb838f74 axiomatization is now global-only;
wenzelm
parents: 28103
diff changeset
   457
* The 'axiomatization' command now only works within a global theory
2637fb838f74 axiomatization is now global-only;
wenzelm
parents: 28103
diff changeset
   458
context.  INCOMPATIBILITY.
2637fb838f74 axiomatization is now global-only;
wenzelm
parents: 28103
diff changeset
   459
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   460
* Goal-directed proof now enforces strict proof irrelevance wrt. sort
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   461
hypotheses.  Sorts required in the course of reasoning need to be
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   462
covered by the constraints in the initial statement, completed by the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   463
type instance information of the background theory.  Non-trivial sort
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   464
hypotheses, which rarely occur in practice, may be specified via
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   465
vacuous propositions of the form SORT_CONSTRAINT('a::c).  For example:
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   466
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   467
  lemma assumes "SORT_CONSTRAINT('a::empty)" shows False ...
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   468
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   469
The result contains an implicit sort hypotheses as before --
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   470
SORT_CONSTRAINT premises are eliminated as part of the canonical rule
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   471
normalization.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   472
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   473
* Generalized Isar history, with support for linear undo, direct state
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   474
addressing etc.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   475
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   476
* Changed defaults for unify configuration options:
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   477
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   478
  unify_trace_bound = 50 (formerly 25)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   479
  unify_search_bound = 60 (formerly 30)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   480
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   481
* Different bookkeeping for code equations (INCOMPATIBILITY):
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   482
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   483
  a) On theory merge, the last set of code equations for a particular
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   484
     constant is taken (in accordance with the policy applied by other
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   485
     parts of the code generator framework).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   486
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   487
  b) Code equations stemming from explicit declarations (e.g. code
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   488
     attribute) gain priority over default code equations stemming
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   489
     from definition, primrec, fun etc.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   490
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   491
* Keyword 'code_exception' now named 'code_abort'.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   492
30965
e0938d929bfd dropped duplication
haftmann
parents: 30964
diff changeset
   493
* Unified theorem tables for both code generators.  Thus [code
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   494
func] has disappeared and only [code] remains.  INCOMPATIBILITY.
30577
wenzelm
parents: 30562
diff changeset
   495
wenzelm
parents: 30562
diff changeset
   496
* Command 'find_consts' searches for constants based on type and name
wenzelm
parents: 30562
diff changeset
   497
patterns, e.g.
29883
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   498
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   499
    find_consts "_ => bool"
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   500
30106
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   501
By default, matching is against subtypes, but it may be restricted to
30728
f0aeca99b5d9 interpretation/interpret: prefixes are mandatory by default;
wenzelm
parents: 30706
diff changeset
   502
the whole type.  Searching by name is possible.  Multiple queries are
30106
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   503
conjunctive and queries may be negated by prefixing them with a
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   504
hyphen:
29883
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   505
14841d4c808e added find_consts to NEWS and CONTRIBUTORS
kleing
parents: 29862
diff changeset
   506
    find_consts strict: "_ => bool" name: "Int" -"int => int"
29861
3c348f5873f3 updated NEWS etc with "solves" criterion and auto_solves
kleing
parents: 29823
diff changeset
   507
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   508
* New 'find_theorems' criterion "solves" matches theorems that
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   509
directly solve the current goal (modulo higher-order unification).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   510
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   511
* Auto solve feature for main theorem statements: whenever a new goal
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   512
is stated, "find_theorems solves" is called; any theorems that could
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   513
solve the lemma directly are listed as part of the goal state.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   514
Cf. associated options in Proof General Isabelle settings menu,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   515
enabled by default, with reasonable timeout for pathological cases of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   516
higher-order unification.
30415
9501af91c4a3 Instead of giving up entirely, arith now ignores all inequalities when there are too many.
webertj
parents: 30399
diff changeset
   517
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   518
27381
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   519
*** Document preparation ***
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   520
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   521
* Antiquotation @{lemma} now imitates a regular terminal proof,
27392
wenzelm
parents: 27391
diff changeset
   522
demanding keyword 'by' and supporting the full method expression
27519
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
   523
syntax just like the Isar command 'by'.
27381
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   524
19ae7064f00f @{lemma}: 'by' keyword;
wenzelm
parents: 27380
diff changeset
   525
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   526
*** HOL ***
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   527
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   528
* Integrated main parts of former image HOL-Complex with HOL.  Entry
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   529
points Main and Complex_Main remain as before.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   530
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   531
* Logic image HOL-Plain provides a minimal HOL with the most important
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   532
tools available (inductive, datatype, primrec, ...).  This facilitates
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   533
experimentation and tool development.  Note that user applications
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   534
(and library theories) should never refer to anything below theory
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   535
Main, as before.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   536
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   537
* Logic image HOL-Main stops at theory Main, and thus facilitates
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   538
experimentation due to shorter build times.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   539
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   540
* Logic image HOL-NSA contains theories of nonstandard analysis which
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   541
were previously part of former HOL-Complex.  Entry point Hyperreal
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   542
remains valid, but theories formerly using Complex_Main should now use
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   543
new entry point Hypercomplex.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   544
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   545
* Generic ATP manager for Sledgehammer, based on ML threads instead of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   546
Posix processes.  Avoids potentially expensive forking of the ML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   547
process.  New thread-based implementation also works on non-Unix
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   548
platforms (Cygwin).  Provers are no longer hardwired, but defined
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   549
within the theory via plain ML wrapper functions.  Basic Sledgehammer
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   550
commands are covered in the isar-ref manual.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   551
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   552
* Wrapper scripts for remote SystemOnTPTP service allows to use
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   553
sledgehammer without local ATP installation (Vampire etc.). Other
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   554
provers may be included via suitable ML wrappers, see also
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   555
src/HOL/ATP_Linkup.thy.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   556
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   557
* ATP selection (E/Vampire/Spass) is now via Proof General's settings
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   558
menu.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   559
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   560
* The metis method no longer fails because the theorem is too trivial
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   561
(contains the empty clause).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   562
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   563
* The metis method now fails in the usual manner, rather than raising
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   564
an exception, if it determines that it cannot prove the theorem.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   565
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   566
* Method "coherent" implements a prover for coherent logic (see also
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   567
src/Tools/coherent.ML).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   568
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   569
* Constants "undefined" and "default" replace "arbitrary".  Usually
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   570
"undefined" is the right choice to replace "arbitrary", though
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   571
logically there is no difference.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   572
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   573
* Command "value" now integrates different evaluation mechanisms.  The
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   574
result of the first successful evaluation mechanism is printed.  In
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   575
square brackets a particular named evaluation mechanisms may be
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   576
specified (currently, [SML], [code] or [nbe]).  See further
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   577
src/HOL/ex/Eval_Examples.thy.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   578
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   579
* Normalization by evaluation now allows non-leftlinear equations.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   580
Declare with attribute [code nbe].
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   581
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   582
* Methods "case_tac" and "induct_tac" now refer to the very same rules
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   583
as the structured Isar versions "cases" and "induct", cf. the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   584
corresponding "cases" and "induct" attributes.  Mutual induction rules
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   585
are now presented as a list of individual projections
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   586
(e.g. foo_bar.inducts for types foo and bar); the old format with
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   587
explicit HOL conjunction is no longer supported.  INCOMPATIBILITY, in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   588
rare situations a different rule is selected --- notably nested tuple
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   589
elimination instead of former prod.exhaust: use explicit (case_tac t
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   590
rule: prod.exhaust) here.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   591
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   592
* Attributes "cases", "induct", "coinduct" support "del" option.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   593
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   594
* Removed fact "case_split_thm", which duplicates "case_split".
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   595
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   596
* The option datatype has been moved to a new theory Option.  Renamed
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   597
option_map to Option.map, and o2s to Option.set, INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   598
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   599
* New predicate "strict_mono" classifies strict functions on partial
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   600
orders.  With strict functions on linear orders, reasoning about
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   601
(in)equalities is facilitated by theorems "strict_mono_eq",
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   602
"strict_mono_less_eq" and "strict_mono_less".
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   603
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   604
* Some set operations are now proper qualified constants with
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   605
authentic syntax.  INCOMPATIBILITY:
30304
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   606
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   607
    op Int ~>   Set.Int
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   608
    op Un ~>    Set.Un
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   609
    INTER ~>    Set.INTER
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   610
    UNION ~>    Set.UNION
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   611
    Inter ~>    Set.Inter
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   612
    Union ~>    Set.Union
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   613
    {} ~>       Set.empty
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   614
    UNIV ~>     Set.UNIV
d8e4cd2ac2a1 set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax
haftmann
parents: 30085
diff changeset
   615
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   616
* Class complete_lattice with operations Inf, Sup, INFI, SUPR now in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   617
theory Set.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   618
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   619
* Auxiliary class "itself" has disappeared -- classes without any
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   620
parameter are treated as expected by the 'class' command.
29797
08ef36ed2f8a handling type classes without parameters
haftmann
parents: 29788
diff changeset
   621
29823
0ab754d13ccd session Reflecion renamed to Decision_Procs, moved Dense_Linear_Order there
haftmann
parents: 29810
diff changeset
   622
* Leibnitz's Series for Pi and the arcus tangens and logarithm series.
0ab754d13ccd session Reflecion renamed to Decision_Procs, moved Dense_Linear_Order there
haftmann
parents: 29810
diff changeset
   623
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   624
* Common decision procedures (Cooper, MIR, Ferrack, Approximation,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   625
Dense_Linear_Order) are now in directory HOL/Decision_Procs.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   626
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   627
* Theory src/HOL/Decision_Procs/Approximation provides the new proof
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   628
method "approximation".  It proves formulas on real values by using
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   629
interval arithmetic.  In the formulas are also the transcendental
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   630
functions sin, cos, tan, atan, ln, exp and the constant pi are
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   631
allowed. For examples see
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   632
src/HOL/Descision_Procs/ex/Approximation_Ex.thy.
29823
0ab754d13ccd session Reflecion renamed to Decision_Procs, moved Dense_Linear_Order there
haftmann
parents: 29810
diff changeset
   633
0ab754d13ccd session Reflecion renamed to Decision_Procs, moved Dense_Linear_Order there
haftmann
parents: 29810
diff changeset
   634
* Theory "Reflection" now resides in HOL/Library.
29650
cc3958d31b1d Reflection.thy now in HOL/Library
haftmann
parents: 29628
diff changeset
   635
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   636
* Entry point to Word library now simply named "Word".
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   637
INCOMPATIBILITY.
29628
d9294387ab0e entry point for Word library now named Word
haftmann
parents: 29616
diff changeset
   638
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   639
* Made source layout more coherent with logical distribution
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   640
structure:
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   641
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   642
    src/HOL/Library/RType.thy ~> src/HOL/Typerep.thy
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   643
    src/HOL/Library/Code_Message.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   644
    src/HOL/Library/GCD.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   645
    src/HOL/Library/Order_Relation.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   646
    src/HOL/Library/Parity.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   647
    src/HOL/Library/Univ_Poly.thy ~> src/HOL/
30176
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   648
    src/HOL/Real/ContNotDenum.thy ~> src/HOL/Library/
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   649
    src/HOL/Real/Lubs.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   650
    src/HOL/Real/PReal.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   651
    src/HOL/Real/Rational.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   652
    src/HOL/Real/RComplete.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   653
    src/HOL/Real/RealDef.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   654
    src/HOL/Real/RealPow.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   655
    src/HOL/Real/Real.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   656
    src/HOL/Complex/Complex_Main.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   657
    src/HOL/Complex/Complex.thy ~> src/HOL/
30176
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   658
    src/HOL/Complex/FrechetDeriv.thy ~> src/HOL/Library/
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   659
    src/HOL/Complex/Fundamental_Theorem_Algebra.thy ~> src/HOL/Library/
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   660
    src/HOL/Hyperreal/Deriv.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   661
    src/HOL/Hyperreal/Fact.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   662
    src/HOL/Hyperreal/Integration.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   663
    src/HOL/Hyperreal/Lim.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   664
    src/HOL/Hyperreal/Ln.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   665
    src/HOL/Hyperreal/Log.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   666
    src/HOL/Hyperreal/MacLaurin.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   667
    src/HOL/Hyperreal/NthRoot.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   668
    src/HOL/Hyperreal/Series.thy ~> src/HOL/
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   669
    src/HOL/Hyperreal/SEQ.thy ~> src/HOL/
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   670
    src/HOL/Hyperreal/Taylor.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   671
    src/HOL/Hyperreal/Transcendental.thy ~> src/HOL/
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   672
    src/HOL/Real/Float ~> src/HOL/Library/
29197
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   673
    src/HOL/Real/HahnBanach ~> src/HOL/HahnBanach
6d4cb27ed19c adapted HOL source structure to distribution layout
haftmann
parents: 29182
diff changeset
   674
    src/HOL/Real/RealVector.thy ~> src/HOL/
28952
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   675
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   676
    src/HOL/arith_data.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   677
    src/HOL/hologic.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   678
    src/HOL/simpdata.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   679
    src/HOL/int_arith1.ML ~> src/HOL/Tools/int_arith.ML
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   680
    src/HOL/int_factor_simprocs.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   681
    src/HOL/nat_simprocs.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   682
    src/HOL/Real/float_arith.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   683
    src/HOL/Real/float_syntax.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   684
    src/HOL/Real/rat_arith.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   685
    src/HOL/Real/real_arith.ML ~> src/HOL/Tools
15a4b2cf8c34 made repository layout more coherent with logical distribution structure; stripped some $Id$s
haftmann
parents: 28915
diff changeset
   686
29398
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   687
    src/HOL/Library/Array.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   688
    src/HOL/Library/Heap_Monad.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   689
    src/HOL/Library/Heap.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   690
    src/HOL/Library/Imperative_HOL.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   691
    src/HOL/Library/Ref.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   692
    src/HOL/Library/Relational.thy ~> src/HOL/Imperative_HOL
89813bbf0f3e NEWS and CONTRIBUTORS
haftmann
parents: 29253
diff changeset
   693
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   694
* If methods "eval" and "evaluation" encounter a structured proof
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   695
state with !!/==>, only the conclusion is evaluated to True (if
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   696
possible), avoiding strange error messages.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   697
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   698
* Method "sizechange" automates termination proofs using (a
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   699
modification of) the size-change principle.  Requires SAT solver.  See
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   700
src/HOL/ex/Termination.thy for examples.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   701
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   702
* Simplifier: simproc for let expressions now unfolds if bound
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   703
variable occurs at most once in let expression body.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   704
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   705
* Method "arith": Linear arithmetic now ignores all inequalities when
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   706
fast_arith_neq_limit is exceeded, instead of giving up entirely.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   707
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   708
* New attribute "arith" for facts that should always be used
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   709
automatically by arithmetic. It is intended to be used locally in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   710
proofs, e.g.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   711
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   712
  assumes [arith]: "x > 0"
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   713
30706
e20227b5e6a3 NEWS: [arith]
nipkow
parents: 30609
diff changeset
   714
Global usage is discouraged because of possible performance impact.
e20227b5e6a3 NEWS: [arith]
nipkow
parents: 30609
diff changeset
   715
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   716
* New classes "top" and "bot" with corresponding operations "top" and
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   717
"bot" in theory Orderings; instantiation of class "complete_lattice"
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   718
requires instantiation of classes "top" and "bot".  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   719
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   720
* Changed definition lemma "less_fun_def" in order to provide an
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   721
instance for preorders on functions; use lemma "less_le" instead.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   722
INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   723
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   724
* Theory Orderings: class "wellorder" moved here, with explicit
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   725
induction rule "less_induct" as assumption.  For instantiation of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   726
"wellorder" by means of predicate "wf", use rule wf_wellorderI.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   727
INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   728
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   729
* Theory Orderings: added class "preorder" as superclass of "order".
27793
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   730
INCOMPATIBILITY: Instantiation proofs for order, linorder
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   731
etc. slightly changed.  Some theorems named order_class.* now named
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   732
preorder_class.*.
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   733
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   734
* Theory Relation: renamed "refl" to "refl_on", "reflexive" to "refl,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   735
"diag" to "Id_on".
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   736
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   737
* Theory Finite_Set: added a new fold combinator of type
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   738
28855
5d21a3e7303c *** empty log message ***
nipkow
parents: 28741
diff changeset
   739
  ('a => 'b => 'b) => 'b => 'a set => 'b
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   740
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   741
Occasionally this is more convenient than the old fold combinator
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   742
which is now defined in terms of the new one and renamed to
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   743
fold_image.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   744
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   745
* Theories Ring_and_Field and OrderedGroup: The lemmas "group_simps"
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   746
and "ring_simps" have been replaced by "algebra_simps" (which can be
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   747
extended with further lemmas!).  At the moment both still exist but
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   748
the former will disappear at some point.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   749
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   750
* Theory Power: Lemma power_Suc is now declared as a simp rule in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   751
class recpower.  Type-specific simp rules for various recpower types
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   752
have been removed.  INCOMPATIBILITY, rename old lemmas as follows:
30273
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   753
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   754
rat_power_0    -> power_0
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   755
rat_power_Suc  -> power_Suc
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   756
realpow_0      -> power_0
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   757
realpow_Suc    -> power_Suc
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   758
complexpow_0   -> power_0
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   759
complexpow_Suc -> power_Suc
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   760
power_poly_0   -> power_0
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   761
power_poly_Suc -> power_Suc
ecd6f0ca62ea declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
huffman
parents: 30250
diff changeset
   762
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   763
* Theories Ring_and_Field and Divides: Definition of "op dvd" has been
27793
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   764
moved to separate class dvd in Ring_and_Field; a couple of lemmas on
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   765
dvd has been generalized to class comm_semiring_1.  Likewise a bunch
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   766
of lemmas from Divides has been generalized from nat to class
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   767
semiring_div.  INCOMPATIBILITY.  This involves the following theorem
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   768
renames resulting from duplicate elimination:
27651
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   769
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   770
    dvd_def_mod ~>          dvd_eq_mod_eq_0
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   771
    zero_dvd_iff ~>         dvd_0_left_iff
28559
55c003a5600a tuned default rules of (dvd)
haftmann
parents: 28522
diff changeset
   772
    dvd_0 ~>                dvd_0_right
27651
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   773
    DIVISION_BY_ZERO_DIV ~> div_by_0
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   774
    DIVISION_BY_ZERO_MOD ~> mod_by_0
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   775
    mult_div ~>             div_mult_self2_is_id
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   776
    mult_mod ~>             mod_mult_self2_is_0
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   777
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   778
* Theory IntDiv: removed many lemmas that are instances of class-based
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   779
generalizations (from Divides and Ring_and_Field).  INCOMPATIBILITY,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   780
rename old lemmas as follows:
30044
nipkow
parents: 29883
diff changeset
   781
nipkow
parents: 29883
diff changeset
   782
dvd_diff               -> nat_dvd_diff
nipkow
parents: 29883
diff changeset
   783
dvd_zminus_iff         -> dvd_minus_iff
30224
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   784
mod_add1_eq            -> mod_add_eq
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   785
mod_mult1_eq           -> mod_mult_right_eq
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   786
mod_mult1_eq'          -> mod_mult_left_eq
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   787
mod_mult_distrib_mod   -> mod_mult_eq
30044
nipkow
parents: 29883
diff changeset
   788
nat_mod_add_left_eq    -> mod_add_left_eq
nipkow
parents: 29883
diff changeset
   789
nat_mod_add_right_eq   -> mod_add_right_eq
nipkow
parents: 29883
diff changeset
   790
nat_mod_div_trivial    -> mod_div_trivial
nipkow
parents: 29883
diff changeset
   791
nat_mod_mod_trivial    -> mod_mod_trivial
nipkow
parents: 29883
diff changeset
   792
zdiv_zadd_self1        -> div_add_self1
nipkow
parents: 29883
diff changeset
   793
zdiv_zadd_self2        -> div_add_self2
30181
05629f28f0f7 removed redundant lemmas
nipkow
parents: 30176
diff changeset
   794
zdiv_zmult_self1       -> div_mult_self2_is_id
30044
nipkow
parents: 29883
diff changeset
   795
zdiv_zmult_self2       -> div_mult_self1_is_id
nipkow
parents: 29883
diff changeset
   796
zdvd_triv_left         -> dvd_triv_left
nipkow
parents: 29883
diff changeset
   797
zdvd_triv_right        -> dvd_triv_right
nipkow
parents: 29883
diff changeset
   798
zdvd_zmult_cancel_disj -> dvd_mult_cancel_left
30085
nipkow
parents: 30044
diff changeset
   799
zmod_eq0_zdvd_iff      -> dvd_eq_mod_eq_0[symmetric]
30044
nipkow
parents: 29883
diff changeset
   800
zmod_zadd_left_eq      -> mod_add_left_eq
nipkow
parents: 29883
diff changeset
   801
zmod_zadd_right_eq     -> mod_add_right_eq
nipkow
parents: 29883
diff changeset
   802
zmod_zadd_self1        -> mod_add_self1
nipkow
parents: 29883
diff changeset
   803
zmod_zadd_self2        -> mod_add_self2
30224
79136ce06bdb removed and renamed redundant lemmas
nipkow
parents: 30200
diff changeset
   804
zmod_zadd1_eq          -> mod_add_eq
30044
nipkow
parents: 29883
diff changeset
   805
zmod_zdiff1_eq         -> mod_diff_eq
nipkow
parents: 29883
diff changeset
   806
zmod_zdvd_zmod         -> mod_mod_cancel
nipkow
parents: 29883
diff changeset
   807
zmod_zmod_cancel       -> mod_mod_cancel
nipkow
parents: 29883
diff changeset
   808
zmod_zmult_self1       -> mod_mult_self2_is_0
nipkow
parents: 29883
diff changeset
   809
zmod_zmult_self2       -> mod_mult_self1_is_0
nipkow
parents: 29883
diff changeset
   810
zmod_1                 -> mod_by_1
nipkow
parents: 29883
diff changeset
   811
zdiv_1                 -> div_by_1
nipkow
parents: 29883
diff changeset
   812
zdvd_abs1              -> abs_dvd_iff
nipkow
parents: 29883
diff changeset
   813
zdvd_abs2              -> dvd_abs_iff
nipkow
parents: 29883
diff changeset
   814
zdvd_refl              -> dvd_refl
nipkow
parents: 29883
diff changeset
   815
zdvd_trans             -> dvd_trans
nipkow
parents: 29883
diff changeset
   816
zdvd_zadd              -> dvd_add
nipkow
parents: 29883
diff changeset
   817
zdvd_zdiff             -> dvd_diff
nipkow
parents: 29883
diff changeset
   818
zdvd_zminus_iff        -> dvd_minus_iff
nipkow
parents: 29883
diff changeset
   819
zdvd_zminus2_iff       -> minus_dvd_iff
nipkow
parents: 29883
diff changeset
   820
zdvd_zmultD            -> dvd_mult_right
nipkow
parents: 29883
diff changeset
   821
zdvd_zmultD2           -> dvd_mult_left
nipkow
parents: 29883
diff changeset
   822
zdvd_zmult_mono        -> mult_dvd_mono
nipkow
parents: 29883
diff changeset
   823
zdvd_0_right           -> dvd_0_right
nipkow
parents: 29883
diff changeset
   824
zdvd_0_left            -> dvd_0_left_iff
nipkow
parents: 29883
diff changeset
   825
zdvd_1_left            -> one_dvd
nipkow
parents: 29883
diff changeset
   826
zminus_dvd_iff         -> minus_dvd_iff
nipkow
parents: 29883
diff changeset
   827
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   828
* Theory Rational: 'Fract k 0' now equals '0'.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   829
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   830
* The real numbers offer decimal input syntax: 12.34 is translated
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   831
into 1234/10^2. This translation is not reversed upon output.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   832
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   833
* Theory Library/Polynomial defines an abstract type 'a poly of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   834
univariate polynomials with coefficients of type 'a.  In addition to
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   835
the standard ring operations, it also supports div and mod.  Code
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   836
generation is also supported, using list-style constructors.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   837
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   838
* Theory Library/Inner_Product defines a class of real_inner for real
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   839
inner product spaces, with an overloaded operation inner :: 'a => 'a
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   840
=> real.  Class real_inner is a subclass of real_normed_vector from
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   841
theory RealVector.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   842
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   843
* Theory Library/Product_Vector provides instances for the product
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   844
type 'a * 'b of several classes from RealVector and Inner_Product.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   845
Definitions of addition, subtraction, scalar multiplication, norms,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   846
and inner products are included.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   847
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   848
* Theory Library/Bit defines the field "bit" of integers modulo 2.  In
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   849
addition to the field operations, numerals and case syntax are also
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   850
supported.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   851
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   852
* Theory Library/Diagonalize provides constructive version of Cantor's
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   853
first diagonalization argument.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   854
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   855
* Theory Library/GCD: Curried operations gcd, lcm (for nat) and zgcd,
27599
ca23ef50c178 added command 'linear_undo';
wenzelm
parents: 27556
diff changeset
   856
zlcm (for int); carried together from various gcd/lcm developements in
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   857
the HOL Distribution.  Constants zgcd and zlcm replace former igcd and
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   858
ilcm; corresponding theorems renamed accordingly.  INCOMPATIBILITY,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   859
may recover tupled syntax as follows:
27556
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   860
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   861
    hide (open) const gcd
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   862
    abbreviation gcd where
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   863
      "gcd == (%(a, b). GCD.gcd a b)"
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   864
    notation (output)
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   865
      GCD.gcd ("gcd '(_, _')")
292098f2efdf unified curried gcd, lcm, zgcd, zlcm
haftmann
parents: 27551
diff changeset
   866
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   867
The same works for lcm, zgcd, zlcm.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   868
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   869
* Theory Library/Nat_Infinity: added addition, numeral syntax and more
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   870
instantiations for algebraic structures.  Removed some duplicate
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   871
theorems.  Changes in simp rules.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   872
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   873
* ML antiquotation @{code} takes a constant as argument and generates
27651
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   874
corresponding code in background and inserts name of the corresponding
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   875
resulting ML value/function/datatype constructor binding in place.
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   876
All occurrences of @{code} with a single ML block are generated
16a26996c30e moved op dvd to theory Ring_and_Field; generalized a couple of lemmas
haftmann
parents: 27599
diff changeset
   877
simultaneously.  Provides a generic and safe interface for
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   878
instrumentalizing code generation.  See
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   879
src/HOL/Decision_Procs/Ferrack.thy for a more ambitious application.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   880
In future you ought to refrain from ad-hoc compiling generated SML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   881
code on the ML toplevel.  Note that (for technical reasons) @{code}
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   882
cannot refer to constants for which user-defined serializations are
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   883
set.  Refer to the corresponding ML counterpart directly in that
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   884
cases.
27122
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   885
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   886
* Command 'rep_datatype': instead of theorem names the command now
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   887
takes a list of terms denoting the constructors of the type to be
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   888
represented as datatype.  The characteristic theorems have to be
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   889
proven.  INCOMPATIBILITY.  Also observe that the following theorems
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   890
have disappeared in favour of existing ones:
63d92a5e3784 proper news header;
wenzelm
parents: 27104
diff changeset
   891
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   892
    unit_induct                 ~> unit.induct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   893
    prod_induct                 ~> prod.induct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   894
    sum_induct                  ~> sum.induct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   895
    Suc_Suc_eq                  ~> nat.inject
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   896
    Suc_not_Zero Zero_not_Suc   ~> nat.distinct
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   897
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
   898
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   899
*** HOL-Algebra ***
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   900
27713
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   901
* New locales for orders and lattices where the equivalence relation
30106
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   902
is not restricted to equality.  INCOMPATIBILITY: all order and lattice
351fc2f8493d tuned NEWS;
wenzelm
parents: 30085
diff changeset
   903
locales use a record structure with field eq for the equivalence.
27713
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   904
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   905
* New theory of factorial domains.
95b36bfe7fc4 New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents: 27704
diff changeset
   906
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   907
* Units_l_inv and Units_r_inv are now simp rules by default.
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   908
INCOMPATIBILITY.  Simplifier proof that require deletion of l_inv
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   909
and/or r_inv will now also require deletion of these lemmas.
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   910
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   911
* Renamed the following theorems, INCOMPATIBILITY:
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   912
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   913
UpperD ~> Upper_memD
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   914
LowerD ~> Lower_memD
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   915
least_carrier ~> least_closed
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   916
greatest_carrier ~> greatest_closed
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   917
greatest_Lower_above ~> greatest_Lower_below
27717
21bbd410ba04 Generalised polynomial lemmas from cring to ring.
ballarin
parents: 27713
diff changeset
   918
one_zero ~> carrier_one_zero
21bbd410ba04 Generalised polynomial lemmas from cring to ring.
ballarin
parents: 27713
diff changeset
   919
one_not_zero ~> carrier_one_not_zero  (collision with assumption)
27696
15b65db66751 Unit_inv_l, Unit_inv_r made [simp];
ballarin
parents: 27681
diff changeset
   920
27793
29ad1d91a5a3 tuned formatting;
wenzelm
parents: 27761
diff changeset
   921
30849
0e5ec6d2c1d9 some HOL-Nominal news;
wenzelm
parents: 30847
diff changeset
   922
*** HOL-Nominal ***
0e5ec6d2c1d9 some HOL-Nominal news;
wenzelm
parents: 30847
diff changeset
   923
30855
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   924
* Nominal datatypes can now contain type-variables.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   925
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   926
* Commands 'nominal_inductive' and 'equivariance' work with local
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   927
theory targets.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   928
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   929
* Nominal primrec can now works with local theory targets and its
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   930
specification syntax now conforms to the general format as seen in
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   931
'inductive' etc.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   932
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   933
* Method "perm_simp" honours the standard simplifier attributes
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   934
(no_asm), (no_asm_use) etc.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   935
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   936
* The new predicate #* is defined like freshness, except that on the
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   937
left hand side can be a set or list of atoms.
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   938
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   939
* Experimental command 'nominal_inductive2' derives strong induction
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   940
principles for inductive definitions.  In contrast to
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   941
'nominal_inductive', which can only deal with a fixed number of
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   942
binders, it can deal with arbitrary expressions standing for sets of
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   943
atoms to be avoided.  The only inductive definition we have at the
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   944
moment that needs this generalisation is the typing rule for Lets in
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   945
the algorithm W:
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   946
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   947
 Gamma |- t1 : T1   (x,close Gamma T1)::Gamma |- t2 : T2   x#Gamma
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   948
 -----------------------------------------------------------------
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   949
         Gamma |- Let x be t1 in t2 : T2
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   950
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   951
In this rule one wants to avoid all the binders that are introduced by
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   952
"close Gamma T1".  We are looking for other examples where this
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   953
feature might be useful.  Please let us know.
30849
0e5ec6d2c1d9 some HOL-Nominal news;
wenzelm
parents: 30847
diff changeset
   954
0e5ec6d2c1d9 some HOL-Nominal news;
wenzelm
parents: 30847
diff changeset
   955
30176
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   956
*** HOLCF ***
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   957
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   958
* Reimplemented the simplification procedure for proving continuity
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   959
subgoals.  The new simproc is extensible; users can declare additional
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   960
continuity introduction rules with the attribute [cont2cont].
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   961
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   962
* The continuity simproc now uses a different introduction rule for
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   963
solving continuity subgoals on terms with lambda abstractions.  In
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   964
some rare cases the new simproc may fail to solve subgoals that the
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   965
old one could solve, and "simp add: cont2cont_LAM" may be necessary.
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   966
Potential INCOMPATIBILITY.
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   967
30847
wenzelm
parents: 30845
diff changeset
   968
* Command 'fixrec': specification syntax now conforms to the general
30855
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   969
format as seen in 'inductive' etc.  See src/HOLCF/ex/Fixrec_ex.thy for
c22436e6d350 some more HOL-Nominal news;
wenzelm
parents: 30849
diff changeset
   970
examples.  INCOMPATIBILITY.
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   971
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   972
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   973
*** ZF ***
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   974
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   975
* Proof of Zorn's Lemma for partial orders.
30176
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   976
78610979b3c6 add news for HOLCF; fixed some typos and inaccuracies
huffman
parents: 30163
diff changeset
   977
27246
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
   978
*** ML ***
28088
723735f2d73a * Name bindings in higher specification mechanisms;
wenzelm
parents: 28085
diff changeset
   979
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   980
* Multithreading for Poly/ML 5.1/5.2 is no longer supported, only for
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   981
Poly/ML 5.2.1 or later.  Important note: the TimeLimit facility
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   982
depends on multithreading, so timouts will not work before Poly/ML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   983
5.2.1!
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   984
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   985
* High-level support for concurrent ML programming, see
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   986
src/Pure/Cuncurrent.  The data-oriented model of "future values" is
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   987
particularly convenient to organize independent functional
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   988
computations.  The concept of "synchronized variables" provides a
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
   989
higher-order interface for components with shared state, avoiding the
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   990
delicate details of mutexes and condition variables.  (Requires
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   991
Poly/ML 5.2.1 or later.)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   992
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   993
* ML bindings produced via Isar commands are stored within the Isar
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   994
context (theory or proof).  Consequently, commands like 'use' and 'ML'
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   995
become thread-safe and work with undo as expected (concerning
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   996
top-level bindings, not side-effects on global references).
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   997
INCOMPATIBILITY, need to provide proper Isar context when invoking the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   998
compiler at runtime; really global bindings need to be given outside a
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
   999
theory.  (Requires Poly/ML 5.2 or later.)
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1000
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1001
* Command 'ML_prf' is analogous to 'ML' but works within a proof
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1002
context.  Top-level ML bindings are stored within the proof context in
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1003
a purely sequential fashion, disregarding the nested proof structure.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1004
ML bindings introduced by 'ML_prf' are discarded at the end of the
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1005
proof.  (Requires Poly/ML 5.2 or later.)
29161
9903e84a9c9c * Proofs of are run in parallel on multi-core systems;
wenzelm
parents: 29145
diff changeset
  1006
30530
03c120763ea8 simplified attribute and method setup;
wenzelm
parents: 30461
diff changeset
  1007
* Simplified ML attribute and method setup, cf. functions Attrib.setup
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1008
and Method.setup, as well as Isar commands 'attribute_setup' and
30547
4c2514625873 simplifief 'method_setup' command;
wenzelm
parents: 30539
diff changeset
  1009
'method_setup'.  INCOMPATIBILITY for 'method_setup', need to simplify
4c2514625873 simplifief 'method_setup' command;
wenzelm
parents: 30539
diff changeset
  1010
existing code accordingly, or use plain 'setup' together with old
4c2514625873 simplifief 'method_setup' command;
wenzelm
parents: 30539
diff changeset
  1011
Method.add_method.
30530
03c120763ea8 simplified attribute and method setup;
wenzelm
parents: 30461
diff changeset
  1012
28294
wenzelm
parents: 28290
diff changeset
  1013
* Simplified ML oracle interface Thm.add_oracle promotes 'a -> cterm
wenzelm
parents: 28290
diff changeset
  1014
to 'a -> thm, while results are always tagged with an authentic oracle
wenzelm
parents: 28290
diff changeset
  1015
name.  The Isar command 'oracle' is now polymorphic, no argument type
wenzelm
parents: 28290
diff changeset
  1016
is specified.  INCOMPATIBILITY, need to simplify existing oracle code
wenzelm
parents: 28290
diff changeset
  1017
accordingly.  Note that extra performance may be gained by producing
wenzelm
parents: 28290
diff changeset
  1018
the cterm carefully, avoiding slow Thm.cterm_of.
wenzelm
parents: 28290
diff changeset
  1019
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1020
* Simplified interface for defining document antiquotations via
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1021
ThyOutput.antiquotation, ThyOutput.output, and optionally
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1022
ThyOutput.maybe_pretty_source.  INCOMPATIBILITY, need to simplify user
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1023
antiquotations accordingly, see src/Pure/Thy/thy_output.ML for common
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1024
examples.
28099
fb16a07d6580 * Generic Toplevel.add_hook interface allows to analyze the result of
wenzelm
parents: 28089
diff changeset
  1025
30395
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
  1026
* More systematic treatment of long names, abstract name bindings, and
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
  1027
name space operations.  Basic operations on qualified names have been
30399
wenzelm
parents: 30395
diff changeset
  1028
move from structure NameSpace to Long_Name, e.g. Long_Name.base_name,
30395
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
  1029
Long_Name.append.  Old type bstring has been mostly replaced by
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
  1030
abstract type binding (see structure Binding), which supports precise
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1031
qualification by packages and local theory targets, as well as proper
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1032
tracking of source positions.  INCOMPATIBILITY, need to wrap old
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1033
bstring values into Binding.name, or better pass through abstract
30399
wenzelm
parents: 30395
diff changeset
  1034
bindings everywhere.  See further src/Pure/General/long_name.ML,
30395
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
  1035
src/Pure/General/binding.ML and src/Pure/General/name_space.ML
f3103bd2b167 * More systematic treatment of long names, abstract name bindings, and name space operations.
wenzelm
parents: 30326
diff changeset
  1036
28089
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
  1037
* Result facts (from PureThy.note_thms, ProofContext.note_thms,
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
  1038
LocalTheory.note etc.) now refer to the *full* internal name, not the
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
  1039
bstring as before.  INCOMPATIBILITY, not detected by ML type-checking!
66ae1926482a * Result facts now refer to the *full* internal name;
wenzelm
parents: 28088
diff changeset
  1040
27287
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
  1041
* Disposed old type and term read functions (Sign.read_def_typ,
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
  1042
Sign.read_typ, Sign.read_def_terms, Sign.read_term,
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
  1043
Thm.read_def_cterms, Thm.read_cterm etc.).  INCOMPATIBILITY, should
3b0d7a417a8b disposed Sign.read_typ etc;
wenzelm
parents: 27269
diff changeset
  1044
use regular Syntax.read_typ, Syntax.read_term, Syntax.read_typ_global,
27269
1e9c05cddc64 * Disposed old term read functions;
wenzelm
parents: 27246
diff changeset
  1045
Syntax.read_term_global etc.; see also OldGoals.read_term as last
1e9c05cddc64 * Disposed old term read functions;
wenzelm
parents: 27246
diff changeset
  1046
resort for legacy applications.
1e9c05cddc64 * Disposed old term read functions;
wenzelm
parents: 27246
diff changeset
  1047
30609
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
  1048
* Disposed old declarations, tactics, tactic combinators that refer to
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
  1049
the simpset or claset of an implicit theory (such as Addsimps,
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
  1050
Simp_tac, SIMPSET).  INCOMPATIBILITY, should use @{simpset} etc. in
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
  1051
embedded ML text, or local_simpset_of with a proper context passed as
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
  1052
explicit runtime argument.
983e8b6e4e69 Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;
wenzelm
parents: 30577
diff changeset
  1053
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1054
* Rules and tactics that read instantiations (read_instantiate,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1055
res_inst_tac, thin_tac, subgoal_tac etc.) now demand a proper proof
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1056
context, which is required for parsing and type-checking.  Moreover,
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1057
the variables are specified as plain indexnames, not string encodings
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1058
thereof.  INCOMPATIBILITY.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1059
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1060
* Generic Toplevel.add_hook interface allows to analyze the result of
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1061
transactions.  E.g. see src/Pure/ProofGeneral/proof_general_pgip.ML
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1062
for theorem dependency output of transactions resulting in a new
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1063
theory state.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1064
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1065
* ML antiquotations: block-structured compilation context indicated by
27391
6c4649134fd6 additional ML antiquotations;
wenzelm
parents: 27381
diff changeset
  1066
\<lbrace> ... \<rbrace>; additional antiquotation forms:
6c4649134fd6 additional ML antiquotations;
wenzelm
parents: 27381
diff changeset
  1067
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1068
  @{binding name}                         - basic name binding
27519
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
  1069
  @{let ?pat = term}                      - term abbreviation (HO matching)
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
  1070
  @{note name = fact}                     - fact abbreviation
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
  1071
  @{thm fact}                             - singleton fact (with attributes)
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
  1072
  @{thms fact}                            - general fact (with attributes)
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
  1073
  @{lemma prop by method}                 - singleton goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
  1074
  @{lemma prop by meth1 meth2}            - singleton goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
  1075
  @{lemma prop1 ... propN by method}      - general goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
  1076
  @{lemma prop1 ... propN by meth1 meth2} - general goal
59b54d80d2ae slightly improved @{lemma} (both for latex and ML);
wenzelm
parents: 27485
diff changeset
  1077
  @{lemma (open) ...}                     - open derivation
27380
ca505e7b7591 ML: improved antiquotations;
wenzelm
parents: 27324
diff changeset
  1078
27246
df85326af57c * Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents: 27200
diff changeset
  1079
27979
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
  1080
*** System ***
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
  1081
28248
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
  1082
* The Isabelle "emacs" tool provides a specific interface to invoke
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
  1083
Proof General / Emacs, with more explicit failure if that is not
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
  1084
installed (the old isabelle-interface script silently falls back on
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
  1085
isabelle-process).  The PROOFGENERAL_HOME setting determines the
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
  1086
installation location of the Proof General distribution.
b2869ebcf8e3 separate emacs tool for Proof General / Emacs;
wenzelm
parents: 28233
diff changeset
  1087
27979
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
  1088
* Isabelle/lib/classes/Pure.jar provides basic support to integrate
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
  1089
the Isabelle process into a JVM/Scala application.  See
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
  1090
Isabelle/lib/jedit/plugin for a minimal example.  (The obsolete Java
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
  1091
process wrapper has been discontinued.)
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
  1092
30845
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1093
* Added homegrown Isabelle font with unicode layout, see lib/fonts.
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1094
9a887484de53 misc cleanup and rearrangements for Isabelle2009 release;
wenzelm
parents: 30741
diff changeset
  1095
* Various status messages (with exact source position information) are
27979
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
  1096
emitted, if proper markup print mode is enabled.  This allows
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
  1097
user-interface components to provide detailed feedback on internal
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
  1098
prover operations.
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
  1099
58415a0de327 * Isabelle/lib/classes/Pure.jar;
wenzelm
parents: 27823
diff changeset
  1100
27143
574a09bcdb02 tuned spacing;
wenzelm
parents: 27141
diff changeset
  1101
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1102
New in Isabelle2008 (June 2008)
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1103
-------------------------------
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
  1104
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1105
*** General ***
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1106
27061
a057cb0d7d55 reorganized isar-ref;
wenzelm
parents: 27008
diff changeset
  1107
* The Isabelle/Isar Reference Manual (isar-ref) has been reorganized
a057cb0d7d55 reorganized isar-ref;
wenzelm
parents: 27008
diff changeset
  1108
and updated, with formally checked references as hyperlinks.
a057cb0d7d55 reorganized isar-ref;
wenzelm
parents: 27008
diff changeset
  1109
25994
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
  1110
* Theory loader: use_thy (and similar operations) no longer set the
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
  1111
implicit ML context, which was occasionally hard to predict and in
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
  1112
conflict with concurrency.  INCOMPATIBILITY, use ML within Isar which
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
  1113
provides a proper context already.
d35484265f46 use_thy: do not set implicit ML context anymore;
wenzelm
parents: 25971
diff changeset
  1114
26323
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
  1115
* Theory loader: old-style ML proof scripts being *attached* to a thy
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
  1116
file are no longer supported.  INCOMPATIBILITY, regular 'uses' and
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
  1117
'use' within a theory file will do the job.
73efc70edeef theory loader: discontinued *attached* ML scripts;
wenzelm
parents: 26315
diff changeset
  1118
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1119
* Name space merge now observes canonical order, i.e. the second space
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1120
is inserted into the first one, while existing entries in the first
26659
wenzelm
parents: 26650
diff changeset
  1121
space take precedence.  INCOMPATIBILITY in rare situations, may try to
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1122
swap theory imports.
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1123
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1124
* Syntax: symbol \<chi> is now considered a letter.  Potential
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1125
INCOMPATIBILITY in identifier syntax etc.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1126
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1127
* Outer syntax: string tokens no longer admit escaped white space,
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1128
which was an accidental (undocumented) feature.  INCOMPATIBILITY, use
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1129
white space without escapes.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1130
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1131
* Outer syntax: string tokens may contain arbitrary character codes
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1132
specified via 3 decimal digits (as in SML).  E.g. "foo\095bar" for
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1133
"foo_bar".
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1134
25522
26851f8bdf14 \<chi> is now considered a letter;
wenzelm
parents: 25510
diff changeset
  1135
25502
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25464
diff changeset
  1136
*** Pure ***
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25464
diff changeset
  1137
26718
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1138
* Context-dependent token translations.  Default setup reverts locally
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1139
fixed variables, and adds hilite markup for undeclared frees.
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1140
26681
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1141
* Unused theorems can be found using the new command 'unused_thms'.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1142
There are three ways of invoking it:
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1143
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1144
(1) unused_thms
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1145
     Only finds unused theorems in the current theory.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1146
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1147
(2) unused_thms thy_1 ... thy_n -
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1148
     Finds unused theorems in the current theory and all of its ancestors,
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1149
     excluding the theories thy_1 ... thy_n and all of their ancestors.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1150
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1151
(3) unused_thms thy_1 ... thy_n - thy'_1 ... thy'_m
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1152
     Finds unused theorems in the theories thy'_1 ... thy'_m and all of
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1153
     their ancestors, excluding the theories thy_1 ... thy_n and all of
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1154
     their ancestors.
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1155
26718
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1156
In order to increase the readability of the list produced by
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1157
unused_thms, theorems that have been created by a particular instance
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1158
of a theory command such as 'inductive' or 'function' are considered
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1159
to belong to the same "group", meaning that if at least one theorem in
26718
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1160
this group is used, the other theorems in the same group are no longer
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1161
reported as unused.  Moreover, if all theorems in the group are
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1162
unused, only one theorem in the group is displayed.
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1163
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1164
Note that proof objects have to be switched on in order for
0c652e82fdf4 * Context-dependent token translations.
wenzelm
parents: 26681
diff changeset
  1165
unused_thms to work properly (i.e. !proofs must be >= 1, which is
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1166
usually the case when using Proof General with the default settings).
26681
19e1d3c96f2f Added entry for unused_thms command.
berghofe
parents: 26660
diff changeset
  1167
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1168
* Authentic naming of facts disallows ad-hoc overwriting of previous
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1169
theorems within the same name space.  INCOMPATIBILITY, need to remove
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1170
duplicate fact bindings, or even accidental fact duplications.  Note
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1171
that tools may maintain dynamically scoped facts systematically, using
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1172
PureThy.add_thms_dynamic.
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1173
26660
f978a6f48949 added hide fact;
wenzelm
parents: 26659
diff changeset
  1174
* Command 'hide' now allows to hide from "fact" name space as well.
f978a6f48949 added hide fact;
wenzelm
parents: 26659
diff changeset
  1175
26496
49ae9456eba9 purely functional setup of claset/simpset/clasimpset;
wenzelm
parents: 26495
diff changeset
  1176
* Eliminated destructive theorem database, simpset, claset, and
49ae9456eba9 purely functional setup of claset/simpset/clasimpset;
wenzelm
parents: 26495
diff changeset
  1177
clasimpset.  Potential INCOMPATIBILITY, really need to observe linear
49ae9456eba9 purely functional setup of claset/simpset/clasimpset;
wenzelm
parents: 26495
diff changeset
  1178
update of theories within ML code.
26479
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1179
26955
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
  1180
* Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
  1181
INCOMPATIBILITY, object-logics depending on former Pure require
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
  1182
additional setup PureThy.old_appl_syntax_setup; object-logics
ebbaa935eae0 * Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents: 26925
diff changeset
  1183
depending on former CPure need to refer to Pure.
26650
f131f0fbf9cd * Name space merge now observes canonical order;
wenzelm
parents: 26575
diff changeset
  1184
26495
dd8996960cb0 fixed spelling;
wenzelm
parents: 26479
diff changeset
  1185
* Commands 'use' and 'ML' are now purely functional, operating on
26479
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1186
theory/local_theory.  Removed former 'ML_setup' (on theory), use 'ML'
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1187
instead.  Added 'ML_val' as mere diagnostic replacement for 'ML'.
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1188
INCOMPATIBILITY.
3a2efce3e992 * Eliminated destructive theorem database.
wenzelm
parents: 26445
diff changeset
  1189
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1190
* Command 'setup': discontinued implicit version with ML reference.
26434
d004b791218e Command 'setup': discontinued implicit version.
wenzelm
parents: 26422
diff changeset
  1191
25970
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
  1192
* Instantiation target allows for simultaneous specification of class
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
  1193
instance operations together with an instantiation proof.
9053fd546501 * Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents: 25961
diff changeset
  1194
Type-checking phase allows to refer to class operations uniformly.
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1195
See src/HOL/Complex/Complex.thy for an Isar example and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1196
src/HOL/Library/Eval.thy for an ML example.
25502
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25464
diff changeset
  1197
26201
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1198
* Indexing of literal facts: be more serious about including only
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1199
facts from the visible specification/proof context, but not the
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1200
background context (locale etc.).  Affects `prop` notation and method
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1201
"fact".  INCOMPATIBILITY: need to name facts explicitly in rare
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1202
situations.
d3363a854708 indexing literal facts: exclude background context;
wenzelm
parents: 26197
diff changeset
  1203
26925
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1204
* Method "cases", "induct", "coinduct": removed obsolete/undocumented
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1205
"(open)" option, which used to expose internal bound variables to the
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1206
proof text.
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1207
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1208
* Isar statements: removed obsolete case "rule_context".
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1209
INCOMPATIBILITY, better use explicit fixes/assumes.
ce964f0df281 * Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents: 26920
diff changeset
  1210
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1211
* Locale proofs: default proof step now includes 'unfold_locales';
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1212
hence 'proof' without argument may be used to unfold locale
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1213
predicates.
26765
f2ea56490bfb unfold_locales part of default method.
ballarin
parents: 26762
diff changeset
  1214
f2ea56490bfb unfold_locales part of default method.
ballarin
parents: 26762
diff changeset
  1215
26762
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
  1216
*** Document preparation ***
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
  1217
26914
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1218
* Simplified pdfsetup.sty: color/hyperref is used unconditionally for
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1219
both pdf and dvi (hyperlinks usually work in xdvi as well); removed
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1220
obsolete thumbpdf setup (contemporary PDF viewers do this on the
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1221
spot); renamed link color from "darkblue" to "linkcolor" (default
26920
wenzelm
parents: 26914
diff changeset
  1222
value unchanged, can be redefined via \definecolor); no longer sets
wenzelm
parents: 26914
diff changeset
  1223
"a4paper" option (unnecessary or even intrusive).
26914
a4b7fe1068f9 * Simplified pdfsetup.sty;
wenzelm
parents: 26877
diff changeset
  1224
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1225
* Antiquotation @{lemma A method} proves proposition A by the given
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1226
method (either a method name or a method name plus (optional) method
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1227
arguments in parentheses) and prints A just like @{prop A}.
26762
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
  1228
78ed28528ca6 added lemma antiquotation
haftmann
parents: 26748
diff changeset
  1229
25464
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
  1230
*** HOL ***
0ca80ce89001 moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents: 25459
diff changeset
  1231
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1232
* New primrec package.  Specification syntax conforms in style to
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1233
definition/function/....  No separate induction rule is provided.  The
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1234
"primrec" command distinguishes old-style and new-style specifications
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1235
by syntax.  The former primrec package is now named OldPrimrecPackage.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1236
When adjusting theories, beware: constants stemming from new-style
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1237
primrec specifications have authentic syntax.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1238
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1239
* Metis prover is now an order of magnitude faster, and also works
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1240
with multithreading.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1241
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1242
* Metis: the maximum number of clauses that can be produced from a
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1243
theorem is now given by the attribute max_clauses.  Theorems that
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1244
exceed this number are ignored, with a warning printed.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1245
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1246
* Sledgehammer no longer produces structured proofs by default. To
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1247
enable, declare [[sledgehammer_full = true]].  Attributes
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1248
reconstruction_modulus, reconstruction_sorts renamed
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1249
sledgehammer_modulus, sledgehammer_sorts.  INCOMPATIBILITY.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1250
27104
791607529f6d rep_datatype command now takes list of constructors as input arguments
haftmann
parents: 27067
diff changeset
  1251
* Method "induct_scheme" derives user-specified induction rules
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1252
from well-founded induction and completeness of patterns. This factors
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1253
out some operations that are done internally by the function package
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1254
and makes them available separately.  See
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1255
src/HOL/ex/Induction_Scheme.thy for examples.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1256
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1257
* More flexible generation of measure functions for termination
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1258
proofs: Measure functions can be declared by proving a rule of the
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1259
form "is_measure f" and giving it the [measure_function] attribute.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1260
The "is_measure" predicate is logically meaningless (always true), and
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1261
just guides the heuristic.  To find suitable measure functions, the
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1262
termination prover sets up the goal "is_measure ?f" of the appropriate
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1263
type and generates all solutions by prolog-style backwards proof using
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1264
the declared rules.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1265
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1266
This setup also deals with rules like 
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1267
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1268
  "is_measure f ==> is_measure (list_size f)"
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1269
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1270
which accommodates nested datatypes that recurse through lists.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1271
Similar rules are predeclared for products and option types.
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1272
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1273
* Turned the type of sets "'a set" into an abbreviation for "'a => bool"
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1274
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1275
  INCOMPATIBILITIES:
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1276
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1277
  - Definitions of overloaded constants on sets have to be replaced by
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1278
    definitions on => and bool.
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1279
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1280
  - Some definitions of overloaded operators on sets can now be proved
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1281
    using the definitions of the operators on => and bool.  Therefore,
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1282
    the following theorems have been renamed:
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1283
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1284
      subset_def   -> subset_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1285
      psubset_def  -> psubset_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1286
      set_diff_def -> set_diff_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1287
      Compl_def    -> Compl_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1288
      Sup_set_def  -> Sup_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1289
      Inf_set_def  -> Inf_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1290
      sup_set_def  -> sup_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1291
      inf_set_def  -> inf_set_eq
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1292
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1293
  - Due to the incompleteness of the HO unification algorithm, some
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1294
    rules such as subst may require manual instantiation, if some of
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1295
    the unknowns in the rule is a set.
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1296
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1297
  - Higher order unification and forward proofs:
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1298
    The proof pattern
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1299
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1300
      have "P (S::'a set)" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1301
      then have "EX S. P S" ..
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1302
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1303
    no longer works (due to the incompleteness of the HO unification
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1304
    algorithm) and must be replaced by the pattern
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1305
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1306
      have "EX S. P S"
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1307
      proof
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1308
        show "P S" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1309
      qed
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1310
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1311
  - Calculational reasoning with subst (or similar rules):
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1312
    The proof pattern
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1313
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1314
      have "P (S::'a set)" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1315
      also have "S = T" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1316
      finally have "P T" .
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1317
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1318
    no longer works (for similar reasons as the previous example) and
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1319
    must be replaced by something like
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1320
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1321
      have "P (S::'a set)" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1322
      moreover have "S = T" <...>
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1323
      ultimately have "P T" by simp
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1324
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1325
  - Tactics or packages written in ML code:
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1326
    Code performing pattern matching on types via
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1327
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1328
      Type ("set", [T]) => ...
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1329
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1330
    must be rewritten. Moreover, functions like strip_type or
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1331
    binder_types no longer return the right value when applied to a
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1332
    type of the form
26964
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1333
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1334
      T1 => ... => Tn => U => bool
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1335
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1336
    rather than
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1337
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1338
      T1 => ... => Tn => U set
df1f238a05f7 Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents: 26955
diff changeset
  1339
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1340
* Merged theories Wellfounded_Recursion, Accessible_Part and
27067
f8a7aff41acb some reorganization and fine-tuning;
wenzelm
parents: 27061
diff changeset
  1341
Wellfounded_Relations to theory Wellfounded.
26748
4d51ddd6aa5c Merged theories about wellfoundedness into one: Wellfounded.thy
krauss
parents: 26724
diff changeset
  1342
26513
6f306c8c2c54 explicit class "eq" for operational equality
haftmann
parents: 26500
diff changeset
  1343
* Explicit class "eq" for executable equality.  INCOMPATIBILITY.
6f306c8c2c54 explicit class "eq" for operational equality
haftmann
parents: 26500
diff changeset
  1344
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1345
* Class finite no longer treats UNIV as class parameter.  Use class
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1346
enum from theory Library/Enum instead to achieve a similar effect.
26445
17223cf843d8 explicit case names for rule list_induct2
haftmann
parents: 26434
diff changeset
  1347
INCOMPATIBILITY.
17223cf843d8 explicit case names for rule list_induct2
haftmann
parents: 26434
diff changeset
  1348
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1349
* Theory List: rule list_induct2 now has explicitly named cases "Nil"
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1350
and "Cons".  INCOMPATIBILITY.
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1351
26422
d5883907c514 HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents: 26401
diff changeset
  1352
* HOL (and FOL): renamed variables in rules imp_elim and swap.
d5883907c514 HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents: 26401
diff changeset
  1353
Potential INCOMPATIBILITY.
d5883907c514 HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents: 26401
diff changeset
  1354
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1355
* Theory Product_Type: duplicated lemmas split_Pair_apply and
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1356
injective_fst_snd removed, use split_eta and prod_eqI instead.
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1357
Renamed upd_fst to apfst and upd_snd to apsnd.  INCOMPATIBILITY.
26355
9276633fdc24 Theory Product_Type; fixed typos
haftmann
parents: 26335
diff changeset
  1358
26335
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1359
* Theory Nat: removed redundant lemmas that merely duplicate lemmas of
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1360
the same name in theory Orderings:
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1361
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1362
  less_trans
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1363
  less_linear
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1364
  le_imp_less_or_eq
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1365
  le_less_trans
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1366
  less_le_trans
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1367
  less_not_sym
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1368
  less_asym
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1369
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1370
Renamed less_imp_le to less_imp_le_nat, and less_irrefl to
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1371
less_irrefl_nat.  Potential INCOMPATIBILITY due to more general types
961bbcc9d85b removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents: 26333
diff changeset
  1372
and different variable names.
26315
cb3badaa192e removed redundant less_trans, less_linear, le_imp_less_or_eq, le_less_trans, less_le_trans (cf. Orderings.thy);
wenzelm
parents: 26231
diff changeset
  1373
26231
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
  1374
* Library/Option_ord.thy: Canonical order on option type.
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
  1375
27008
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1376
* Library/RBT.thy: Red-black trees, an efficient implementation of
9e39f5403db7 misc tuning for Isabelle2008;
wenzelm
parents: 26964
diff changeset
  1377
finite maps.
26197
46e63f49c946 NEWS: RBTs, renamings in ZF
krauss
parents: 26188
diff changeset
  1378
26231
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
  1379
* Library/Countable.thy: Type class for countable types.
cd9d7f449369 added entries
haftmann
parents: 26222
diff changeset
  1380
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1381
* Theory Int: The representation of numerals has changed.  The infix
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1382
operator BIT and the bit datatype with constructors B0 and B1 have
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1383
disappeared.  INCOMPATIBILITY, use "Int.Bit0 x" and "Int.Bit1 y" in
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1384
place of "x BIT bit.B0" and "y BIT bit.B1", respectively.  Theorems
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1385
involving BIT, B0, or B1 have been renamed with "Bit0" or "Bit1"
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1386
accordingly.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1387
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1388
* Theory Nat: definition of <= and < on natural numbers no longer
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1389
depend on well-founded relations.  INCOMPATIBILITY.  Definitions
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1390
le_def and less_def have disappeared.  Consider lemmas not_less
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1391
[symmetric, where ?'a = nat] and less_eq [symmetric] instead.
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1392
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1393
* Theory Finite_Set: locales ACf, ACe, ACIf, ACIfSL and ACIfSLlin
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1394
(whose purpose mainly is for various fold_set functionals) have been
26874
b2daa27fc0a7 misc tuning;
wenzelm
parents: 26765
diff changeset
  1395
abandoned in favor of the existing algebraic classes
26180
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1396
ab_semigroup_mult, comm_monoid_mult, ab_semigroup_idem_mult,
cc85eaab20f6 Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents: 26139
diff changeset
  1397
lower_semilattice (resp. upper_semilattice) and linorder.