author  haftmann 
Thu, 26 May 2016 15:31:04 +0200  
changeset 63165  c12845e8e80a 
parent 63161  2660ba498798 
child 63166  143f58bb34f9 
permissions  rwrr 
57491  1 
Isabelle NEWS  history of userrelevant changes 
2 
================================================= 

2553  3 

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(Note: Isabelle/jEdit shows a treeview of the NEWS file in Sidekick.) 
60006  5 

60331  6 

62216  7 
New in this Isabelle version 
8 
 

9 

62440  10 
*** General *** 
11 

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embedded content may be delimited via cartouches;
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* Embedded content (e.g. the inner syntax of types, terms, props) may be 
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delimited uniformly via cartouches. This works better than oldfashioned 
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embedded content may be delimited via cartouches;
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quotes when sublanguages are nested. 
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embedded content may be delimited via cartouches;
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Type_Infer.object_logic controls improvement of type inference result;
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* Typeinference improves sorts of newly introduced type variables for 
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Type_Infer.object_logic controls improvement of type inference result;
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the objectlogic, using its base sort (i.e. HOL.type for Isabelle/HOL). 
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Type_Infer.object_logic controls improvement of type inference result;
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Thus terms like "f x" or "\<And>x. P x" without any further syntactic context 
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produce x::'a::type in HOL instead of x::'a::{} in Pure. Rare 
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INCOMPATIBILITY, need to provide explicit type constraints for Pure 
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Type_Infer.object_logic controls improvement of type inference result;
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types where this is really intended. 
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62969  23 
* Simplified outer syntax: uniform category "name" includes long 
24 
identifiers. Former "xname" / "nameref" / "name reference" has been 

25 
discontinued. 

26 

62807  27 
* Mixfix annotations support general block properties, with syntax 
28 
"(\<open>x=a y=b z \<dots>\<close>". Notable property names are "indent", "consistent", 

29 
"unbreakable", "markup". The existing notation "(DIGITS" is equivalent 

30 
to "(\<open>indent=DIGITS\<close>". The former notation "(00" for unbreakable blocks 

31 
is superseded by "(\<open>unbreabable\<close>"  rare INCOMPATIBILITY. 

62789  32 

62440  33 
* New symbol \<circle>, e.g. for temporal operator. 
34 

62453  35 
* Old 'header' command is no longer supported (legacy since 
36 
Isabelle2015). 

37 

62440  38 

62904  39 
*** Prover IDE  Isabelle/Scala/jEdit *** 
40 

63135  41 
* Cartouche abbreviations work both for " and ` to accomodate typical 
42 
situations where old ASCII notation may be updated. 

43 

63022  44 
* IDE support for the Isabelle/Pure bootstrap process, with the 
45 
following independent stages: 

46 

47 
src/Pure/ROOT0.ML 

48 
src/Pure/ROOT.ML 

49 
src/Pure/Pure.thy 

50 
src/Pure/ML_Bootstrap.thy 

51 

52 
The ML ROOT files act like quasitheories in the context of theory 

53 
ML_Bootstrap: this allows continuous checking of all loaded ML files. 

54 
The theory files are presented with a modified header to import Pure 

55 
from the running Isabelle instance. Results from changed versions of 

56 
each stage are *not* propagated to the next stage, and isolated from the 

57 
actual Isabelle/Pure that runs the IDE itself. The sequential 

58 
dependencies of the above files are only relevant for batch build. 

62904  59 

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* Highlighting of entity def/ref positions wrt. cursor. 
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* Document markup works across multiple Isar commands, e.g. the results 
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established at the end of a proof are properly identified in the theorem 
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statement. 
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62904  66 

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*** Isar *** 
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68 

63066  69 
* Many specification elements support structured statements with 'if' 
70 
eigencontext, e.g. 'axiomatization', 'definition', 'inductive', 

71 
'function'. 

72 

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toplevel theorem statements support 'if'/'for' eigencontext;
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* Toplevel theorem statements support eigencontext notation with 'if' / 
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'for' (in postix), which corresponds to 'assumes' / 'fixes' in the 
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toplevel theorem statements support 'if'/'for' eigencontext;
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traditional long statement form (in prefix). Local premises are called 
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"that" or "assms", respectively. Empty premises are *not* bound in the 
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toplevel theorem statements support 'if'/'for' eigencontext;
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context: INCOMPATIBILITY. 
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63039  79 
* Command 'define' introduces a local (nonpolymorphic) definition, with 
80 
optional abstraction over local parameters. The syntax resembles 

63043  81 
'definition' and 'obtain'. It fits better into the Isar language than 
82 
old 'def', which is now a legacy feature. 

63039  83 

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'obtain' supports structured statements (similar to 'define');
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* Command 'obtain' supports structured statements with 'if' / 'for' 
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'obtain' supports structured statements (similar to 'define');
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context. 
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command '\<proof>' is an alias for 'sorry', with different typesetting;
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* Command '\<proof>' is an alias for 'sorry', with different 
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command '\<proof>' is an alias for 'sorry', with different typesetting;
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typesetting. E.g. to produce proof holes in examples and documentation. 
62216  89 

62939  90 
* The old proof method "default" has been removed (legacy since 
91 
Isabelle2016). INCOMPATIBILITY, use "standard" instead. 

92 

62216  93 

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examples and documentation for code generator time measurements
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*** Pure *** 
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examples and documentation for code generator time measurements
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95 

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examples and documentation for code generator time measurements
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* Code generator: config option "code_timinger" triggers 
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examples and documentation for code generator time measurements
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measurements of different phases of code generation. See 
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examples and documentation for code generator time measurements
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src/HOL/ex/Code_Timing.thy for examples. 
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examples and documentation for code generator time measurements
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100 

62327  101 
*** HOL *** 
102 

63144  103 
* Probability/Random_Permutations.thy contains some theory about 
104 
choosing a permutation of a set uniformly at random and folding over a 

105 
list in random order. 

106 

107 
* Library/Set_Permutations.thy (executably) defines the set of 

108 
permutations of a set, i.e. the set of all lists that contain every 

109 
element of the carrier set exactly once. 

110 

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* Static evaluators (Code_Evaluation.static_* in Isabelle/ML) rely on 
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explicitly provided auxiliary definitions for required type class 
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dictionaries rather than halfworking magic. INCOMPATIBILITY, see 
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the tutorial on code generation for details. 
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62522  116 
* New abbreviations for negated existence (but not bounded existence): 
117 

118 
\<nexists>x. P x \<equiv> \<not> (\<exists>x. P x) 

119 
\<nexists>!x. P x \<equiv> \<not> (\<exists>!x. P x) 

120 

62521  121 
* The print mode "HOL" for ASCII syntax of binders "!", "?", "?!", "@" 
122 
has been removed for output. It is retained for input only, until it is 

123 
eliminated altogether. 

124 

63116  125 
* Sledgehammer: 
126 
 Produce syntactically correct Vampire 4.0 problem files. 

127 

62327  128 
* (Co)datatype package: 
62693  129 
 New commands for defining corecursive functions and reasoning about 
130 
them in "~~/src/HOL/Library/BNF_Corec.thy": 'corec', 'corecursive', 

131 
'friend_of_corec', and 'corecursion_upto'; and 'corec_unique' proof 

62842  132 
method. See 'isabelle doc corec'. 
62693  133 
 The predicator :: ('a => bool) => 'a F => bool is now a firstclass 
62332  134 
citizen in bounded natural functors 
62693  135 
 'primrec' now allows nested calls through the predicator in addition 
62327  136 
to the map function. 
62693  137 
 'bnf' automatically discharges reflexive proof obligations 
138 
 'bnf' outputs a slightly modified proof obligation expressing rel in 

62332  139 
terms of map and set 
140 
(not giving a specification for rel makes this one reflexive) 

62693  141 
 'bnf' outputs a new proof obligation expressing pred in terms of set 
62332  142 
(not giving a specification for pred makes this one reflexive) 
62693  143 
INCOMPATIBILITY: manual 'bnf' declarations may need adjustment 
62335  144 
 Renamed lemmas: 
145 
rel_prod_apply ~> rel_prod_inject 

146 
pred_prod_apply ~> pred_prod_inject 

147 
INCOMPATIBILITY. 

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made 'size' plugin compatible with locales again (and added regression test)
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 The "size" plugin has been made compatible again with locales. 
62327  149 

63113  150 
* Removed obsolete theorem nat_less_cases. INCOMPATIBILITY, use 
151 
linorder_cases instead. 

152 

62407  153 
* Renamed split_if > if_split and split_if_asm > if_split_asm to 
154 
resemble the f.split naming convention, INCOMPATIBILITY. 

62396  155 

62597  156 
* Characters (type char) are modelled as finite algebraic type 
157 
corresponding to {0..255}. 

158 

159 
 Logical representation: 

160 
* 0 is instantiated to the ASCII zero character. 

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* All other characters are represented as "Char n" 
62597  162 
with n being a raw numeral expression less than 256. 
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* Expressions of the form "Char n" with n greater than 255 
62597  164 
are noncanonical. 
165 
 Printing and parsing: 

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* Printable characters are printed and parsed as "CHR ''\<dots>''" 
62597  167 
(as before). 
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* The ASCII zero character is printed and parsed as "0". 
62678  169 
* All other canonical characters are printed as "CHR 0xXX" 
170 
with XX being the hexadecimal character code. "CHR n" 

62597  171 
is parsable for every numeral expression n. 
62598  172 
* Noncanonical characters have no special syntax and are 
62597  173 
printed as their logical representation. 
174 
 Explicit conversions from and to the natural numbers are 

175 
provided as char_of_nat, nat_of_char (as before). 

176 
 The auxiliary nibble type has been discontinued. 

177 

178 
INCOMPATIBILITY. 

179 

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* Multiset membership is now expressed using set_mset rather than count. 
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181 

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 Expressions "count M a > 0" and similar simplify to membership 
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by default. 
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184 

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 Converting between "count M a = 0" and nonmembership happens using 
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equations count_eq_zero_iff and not_in_iff. 
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 Rules count_inI and in_countE obtain facts of the form 
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"count M a = n" from membership. 
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 Rules count_in_diffI and in_diff_countE obtain facts of the form 
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"count M a = n + count N a" from membership on difference sets. 
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193 

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INCOMPATIBILITY. 
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195 

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prefer abbreviations for compound operators INFIMUM and SUPREMUM
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* Compound constants INFIMUM and SUPREMUM are mere abbreviations now. 
24106dc44def
prefer abbreviations for compound operators INFIMUM and SUPREMUM
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INCOMPATIBILITY. 
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prefer abbreviations for compound operators INFIMUM and SUPREMUM
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198 

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Conformal_mappings: a big development in complex analysis (+ some lemmas)
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199 
* More complex analysis including Cauchy's inequality, Liouville theorem, 
63078
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Theory of polyhedra: faces, extreme points, polytopes, and the Krein–Milman
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200 
open mapping theorem, maximum modulus principle, Residue theorem, Schwarz Lemma. 
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Theory of polyhedra: faces, extreme points, polytopes, and the Krein–Milman
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201 

e49dc94eb624
Theory of polyhedra: faces, extreme points, polytopes, and the Krein–Milman
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* Theory of polyhedra: faces, extreme points, polytopes, and the Krein–Milman 
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Theory of polyhedra: faces, extreme points, polytopes, and the Krein–Milman
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203 
Minkowski theorem. 
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Conformal_mappings: a big development in complex analysis (+ some lemmas)
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204 

62358  205 
* "Gcd (f ` A)" and "Lcm (f ` A)" are printed with optional 
206 
comprehensionlike syntax analogously to "Inf (f ` A)" and "Sup (f ` A)". 

207 

62345  208 
* Class semiring_Lcd merged into semiring_Gcd. INCOMPATIBILITY. 
209 

62376
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Rename ordered_comm_monoid_add to ordered_cancel_comm_monoid_add. Introduce ordreed_comm_monoid_add, canonically_ordered_comm_monoid and dioid. Setup nat, entat and ennreal as dioids.
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* The type class ordered_comm_monoid_add is now called 
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211 
ordered_cancel_comm_monoid_add. A new type class ordered_comm_monoid_add is 
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212 
introduced as the combination of ordered_ab_semigroup_add + comm_monoid_add. 
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213 
INCOMPATIBILITY. 
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Rename ordered_comm_monoid_add to ordered_cancel_comm_monoid_add. Introduce ordreed_comm_monoid_add, canonically_ordered_comm_monoid and dioid. Setup nat, entat and ennreal as dioids.
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214 

85f38d5f8807
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215 
* Introduced the type classes canonically_ordered_comm_monoid_add and dioid. 
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216 

85f38d5f8807
Rename ordered_comm_monoid_add to ordered_cancel_comm_monoid_add. Introduce ordreed_comm_monoid_add, canonically_ordered_comm_monoid and dioid. Setup nat, entat and ennreal as dioids.
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217 
* Added topological_monoid 
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218 

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move Complete_Partial_Orders2 from AFP/Coinductive to HOL/Library
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219 
* Library/Complete_Partial_Order2.thy provides reasoning support for 
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220 
proofs about monotonicity and continuity in chaincomplete partial 
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221 
orders and about admissibility conditions for fixpoint inductions. 
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222 

62352
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223 
* Library/Polynomial.thy contains also derivation of polynomials 
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224 
but not gcd/lcm on polynomials over fields. This has been moved 
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225 
to a separate theory Library/Polynomial_GCD_euclidean.thy, to 
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changeset

226 
pave way for a possible future different type class instantiation 
35a9e1cbb5b3
separated potentially conflicting type class instance into separate theory
haftmann
parents:
62348
diff
changeset

227 
for polynomials over factorial rings. INCOMPATIBILITY. 
35a9e1cbb5b3
separated potentially conflicting type class instance into separate theory
haftmann
parents:
62348
diff
changeset

228 

63155  229 
* Library/Sublist.thy: added function "prefixes" and renamed 
63149  230 
prefixeq > prefix 
231 
prefix > strict_prefix 

232 
suffixeq > suffix 

233 
suffix > strict_suffix 

63117  234 

62348  235 
* Dropped various legacy fact bindings, whose replacements are often 
236 
of a more general type also: 

237 
lcm_left_commute_nat ~> lcm.left_commute 

238 
lcm_left_commute_int ~> lcm.left_commute 

239 
gcd_left_commute_nat ~> gcd.left_commute 

240 
gcd_left_commute_int ~> gcd.left_commute 

241 
gcd_greatest_iff_nat ~> gcd_greatest_iff 

242 
gcd_greatest_iff_int ~> gcd_greatest_iff 

243 
coprime_dvd_mult_nat ~> coprime_dvd_mult 

244 
coprime_dvd_mult_int ~> coprime_dvd_mult 

245 
zpower_numeral_even ~> power_numeral_even 

246 
gcd_mult_cancel_nat ~> gcd_mult_cancel 

247 
gcd_mult_cancel_int ~> gcd_mult_cancel 

248 
div_gcd_coprime_nat ~> div_gcd_coprime 

249 
div_gcd_coprime_int ~> div_gcd_coprime 

250 
zpower_numeral_odd ~> power_numeral_odd 

251 
zero_less_int_conv ~> of_nat_0_less_iff 

252 
gcd_greatest_nat ~> gcd_greatest 

253 
gcd_greatest_int ~> gcd_greatest 

254 
coprime_mult_nat ~> coprime_mult 

255 
coprime_mult_int ~> coprime_mult 

256 
lcm_commute_nat ~> lcm.commute 

257 
lcm_commute_int ~> lcm.commute 

258 
int_less_0_conv ~> of_nat_less_0_iff 

259 
gcd_commute_nat ~> gcd.commute 

260 
gcd_commute_int ~> gcd.commute 

261 
Gcd_insert_nat ~> Gcd_insert 

262 
Gcd_insert_int ~> Gcd_insert 

263 
of_int_int_eq ~> of_int_of_nat_eq 

264 
lcm_least_nat ~> lcm_least 

265 
lcm_least_int ~> lcm_least 

266 
lcm_assoc_nat ~> lcm.assoc 

267 
lcm_assoc_int ~> lcm.assoc 

268 
int_le_0_conv ~> of_nat_le_0_iff 

269 
int_eq_0_conv ~> of_nat_eq_0_iff 

270 
Gcd_empty_nat ~> Gcd_empty 

271 
Gcd_empty_int ~> Gcd_empty 

272 
gcd_assoc_nat ~> gcd.assoc 

273 
gcd_assoc_int ~> gcd.assoc 

274 
zero_zle_int ~> of_nat_0_le_iff 

275 
lcm_dvd2_nat ~> dvd_lcm2 

276 
lcm_dvd2_int ~> dvd_lcm2 

277 
lcm_dvd1_nat ~> dvd_lcm1 

278 
lcm_dvd1_int ~> dvd_lcm1 

279 
gcd_zero_nat ~> gcd_eq_0_iff 

280 
gcd_zero_int ~> gcd_eq_0_iff 

281 
gcd_dvd2_nat ~> gcd_dvd2 

282 
gcd_dvd2_int ~> gcd_dvd2 

283 
gcd_dvd1_nat ~> gcd_dvd1 

284 
gcd_dvd1_int ~> gcd_dvd1 

285 
int_numeral ~> of_nat_numeral 

286 
lcm_ac_nat ~> ac_simps 

287 
lcm_ac_int ~> ac_simps 

288 
gcd_ac_nat ~> ac_simps 

289 
gcd_ac_int ~> ac_simps 

290 
abs_int_eq ~> abs_of_nat 

291 
zless_int ~> of_nat_less_iff 

292 
zdiff_int ~> of_nat_diff 

293 
zadd_int ~> of_nat_add 

294 
int_mult ~> of_nat_mult 

295 
int_Suc ~> of_nat_Suc 

296 
inj_int ~> inj_of_nat 

297 
int_1 ~> of_nat_1 

298 
int_0 ~> of_nat_0 

62353
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

299 
Lcm_empty_nat ~> Lcm_empty 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

300 
Lcm_empty_int ~> Lcm_empty 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

301 
Lcm_insert_nat ~> Lcm_insert 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

302 
Lcm_insert_int ~> Lcm_insert 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

303 
comp_fun_idem_gcd_nat ~> comp_fun_idem_gcd 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

304 
comp_fun_idem_gcd_int ~> comp_fun_idem_gcd 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

305 
comp_fun_idem_lcm_nat ~> comp_fun_idem_lcm 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

306 
comp_fun_idem_lcm_int ~> comp_fun_idem_lcm 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

307 
Lcm_eq_0 ~> Lcm_eq_0_I 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

308 
Lcm0_iff ~> Lcm_0_iff 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

309 
Lcm_dvd_int ~> Lcm_least 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

310 
divides_mult_nat ~> divides_mult 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

311 
divides_mult_int ~> divides_mult 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

312 
lcm_0_nat ~> lcm_0_right 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

313 
lcm_0_int ~> lcm_0_right 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

314 
lcm_0_left_nat ~> lcm_0_left 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

315 
lcm_0_left_int ~> lcm_0_left 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

316 
dvd_gcd_D1_nat ~> dvd_gcdD1 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

317 
dvd_gcd_D1_int ~> dvd_gcdD1 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

318 
dvd_gcd_D2_nat ~> dvd_gcdD2 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

319 
dvd_gcd_D2_int ~> dvd_gcdD2 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

320 
coprime_dvd_mult_iff_nat ~> coprime_dvd_mult_iff 
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

321 
coprime_dvd_mult_iff_int ~> coprime_dvd_mult_iff 
62348  322 
realpow_minus_mult ~> power_minus_mult 
323 
realpow_Suc_le_self ~> power_Suc_le_self 

62353
7f927120b5a2
dropped various legacy fact bindings and tuned proofs
haftmann
parents:
62352
diff
changeset

324 
dvd_Gcd, dvd_Gcd_nat, dvd_Gcd_int removed in favour of Gcd_greatest 
62347  325 
INCOMPATIBILITY. 
326 

62479  327 
* Session HOLNSA has been renamed to HOLNonstandard_Analysis. 
328 

62975
1d066f6ab25d
Probability: move emeasure and nn_integral from ereal to ennreal
hoelzl
parents:
62969
diff
changeset

329 
* In HOLProbability the type of emeasure and nn_integral was changed 
1d066f6ab25d
Probability: move emeasure and nn_integral from ereal to ennreal
hoelzl
parents:
62969
diff
changeset

330 
from ereal to ennreal: 
1d066f6ab25d
Probability: move emeasure and nn_integral from ereal to ennreal
hoelzl
parents:
62969
diff
changeset

331 
emeasure :: 'a measure => 'a set => ennreal 
1d066f6ab25d
Probability: move emeasure and nn_integral from ereal to ennreal
hoelzl
parents:
62969
diff
changeset

332 
nn_integral :: 'a measure => ('a => ennreal) => ennreal 
62976  333 
INCOMPATIBILITY. 
62327  334 

62498  335 
*** ML *** 
336 

62861  337 
* The ML function "ML" provides easy access to runtime compilation. 
338 
This is particularly useful for conditional compilation, without 

339 
requiring separate files. 

340 

62851  341 
* Lowlevel ML system structures (like PolyML and RunCall) are no longer 
62886
72c475e03e22
simplified bootstrap: critical structures remain accessible in ML_Root context;
wenzelm
parents:
62875
diff
changeset

342 
exposed to Isabelle/ML userspace. Potential INCOMPATIBILITY. 
62851  343 

62662
291cc01f56f5
@{make_string} is available during Pure bootstrap;
wenzelm
parents:
62645
diff
changeset

344 
* Antiquotation @{make_string} is available during Pure bootstrap  
291cc01f56f5
@{make_string} is available during Pure bootstrap;
wenzelm
parents:
62645
diff
changeset

345 
with approximative output quality. 
291cc01f56f5
@{make_string} is available during Pure bootstrap;
wenzelm
parents:
62645
diff
changeset

346 

62498  347 
* Option ML_exception_debugger controls detailed exception trace via the 
348 
Poly/ML debugger. Relevant ML modules need to be compiled beforehand 

349 
with ML_file_debug, or with ML_file and option ML_debugger enabled. Note 

350 
debugger information requires consirable time and space: main 

351 
Isabelle/HOL with full debugger support may need ML_system_64. 

352 

62514  353 
* Local_Theory.restore has been renamed to Local_Theory.reset to 
354 
emphasize its disruptive impact on the cumulative context, notably the 

355 
scope of 'private' or 'qualified' names. Note that Local_Theory.reset is 

356 
only appropriate when targets are managed, e.g. starting from a global 

357 
theory and returning to it. Regular definitional packages should use 

358 
balanced blocks of Local_Theory.open_target versus 

359 
Local_Theory.close_target instead. Rare INCOMPATIBILITY. 

360 

62519  361 
* Structure TimeLimit (originally from the SML/NJ library) has been 
362 
replaced by structure Timeout, with slightly different signature. 

363 
INCOMPATIBILITY. 

364 

62551  365 
* Discontinued cd and pwd operations, which are not welldefined in a 
366 
multithreaded environment. Note that files are usually located 

367 
relatively to the master directory of a theory (see also 

368 
File.full_path). Potential INCOMPATIBILITY. 

369 

62498  370 

62354  371 
*** System *** 
372 

62840
d9744f41a4ec
renamed ISABELLE_BUILD_JAVA_OPTIONS to ISABELLE_TOOL_JAVA_OPTIONS;
wenzelm
parents:
62807
diff
changeset

373 
* Many Isabelle tools that require a Java runtime system refer to the 
d9744f41a4ec
renamed ISABELLE_BUILD_JAVA_OPTIONS to ISABELLE_TOOL_JAVA_OPTIONS;
wenzelm
parents:
62807
diff
changeset

374 
settings ISABELLE_TOOL_JAVA_OPTIONS32 / ISABELLE_TOOL_JAVA_OPTIONS64, 
d9744f41a4ec
renamed ISABELLE_BUILD_JAVA_OPTIONS to ISABELLE_TOOL_JAVA_OPTIONS;
wenzelm
parents:
62807
diff
changeset

375 
depending on the underlying platform. The settings for "isabelle build" 
d9744f41a4ec
renamed ISABELLE_BUILD_JAVA_OPTIONS to ISABELLE_TOOL_JAVA_OPTIONS;
wenzelm
parents:
62807
diff
changeset

376 
ISABELLE_BUILD_JAVA_OPTIONS32 / ISABELLE_BUILD_JAVA_OPTIONS64 have been 
d9744f41a4ec
renamed ISABELLE_BUILD_JAVA_OPTIONS to ISABELLE_TOOL_JAVA_OPTIONS;
wenzelm
parents:
62807
diff
changeset

377 
discontinued. Potential INCOMPATIBILITY. 
d9744f41a4ec
renamed ISABELLE_BUILD_JAVA_OPTIONS to ISABELLE_TOOL_JAVA_OPTIONS;
wenzelm
parents:
62807
diff
changeset

378 

62591  379 
* The Isabelle system environment always ensures that the main 
380 
executables are found within the shell search $PATH: "isabelle" and 

381 
"isabelle_scala_script". 

382 

383 
* The Isabelle ML process is now managed directly by Isabelle/Scala, and 

384 
shell scripts merely provide optional commandline access. In 

385 
particular: 

386 

387 
. Scala module ML_Process to connect to the raw ML process, 

388 
with interaction via stdin/stdout/stderr or in batch mode; 

389 
. commandline tool "isabelle console" as interactive wrapper; 

390 
. commandline tool "isabelle process" as batch mode wrapper. 

62588
cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

391 

cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

392 
* The executable "isabelle_process" has been discontinued. Tools and 
cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

393 
prover frontends should use ML_Process or Isabelle_Process in 
62591  394 
Isabelle/Scala. INCOMPATIBILITY. 
62588
cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

395 

cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

396 
* New commandline tool "isabelle process" supports ML evaluation of 
cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

397 
literal expressions (option e) or files (option f) in the context of a 
cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

398 
given heap image. Errors lead to premature exit of the ML process with 
cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

399 
return code 1. 
cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

400 

cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

401 
* Commandline tool "isabelle console" provides option r to help to 
cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

402 
bootstrapping Isabelle/Pure interactively. 
cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

403 

cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

404 
* Commandline tool "isabelle yxml" has been discontinued. 
cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

405 
INCOMPATIBILITY, use operations from the modules "XML" and "YXML" in 
cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

406 
Isabelle/ML or Isabelle/Scala. 
cd266473b81b
isabelle_process is superseded by "isabelle process" tool;
wenzelm
parents:
62579
diff
changeset

407 

62549
9498623b27f0
File.bash_string operations in ML as in Scala  exclusively for GNU bash, not perl and not user output;
wenzelm
parents:
62525
diff
changeset

408 
* File.bash_string, File.bash_path etc. represent Isabelle/ML and 
9498623b27f0
File.bash_string operations in ML as in Scala  exclusively for GNU bash, not perl and not user output;
wenzelm
parents:
62525
diff
changeset

409 
Isabelle/Scala strings authentically within GNU bash. This is useful to 
9498623b27f0
File.bash_string operations in ML as in Scala  exclusively for GNU bash, not perl and not user output;
wenzelm
parents:
62525
diff
changeset

410 
produce robust shell scripts under program control, without worrying 
9498623b27f0
File.bash_string operations in ML as in Scala  exclusively for GNU bash, not perl and not user output;
wenzelm
parents:
62525
diff
changeset

411 
about spaces or special characters. Note that user output works via 
9498623b27f0
File.bash_string operations in ML as in Scala  exclusively for GNU bash, not perl and not user output;
wenzelm
parents:
62525
diff
changeset

412 
Path.print (ML) or Path.toString (Scala). INCOMPATIBILITY, the old (and 
9498623b27f0
File.bash_string operations in ML as in Scala  exclusively for GNU bash, not perl and not user output;
wenzelm
parents:
62525
diff
changeset

413 
less versatile) operations File.shell_quote, File.shell_path etc. have 
9498623b27f0
File.bash_string operations in ML as in Scala  exclusively for GNU bash, not perl and not user output;
wenzelm
parents:
62525
diff
changeset

414 
been discontinued. 
9498623b27f0
File.bash_string operations in ML as in Scala  exclusively for GNU bash, not perl and not user output;
wenzelm
parents:
62525
diff
changeset

415 

62591  416 
* SML/NJ and old versions of Poly/ML are no longer supported. 
417 

62642  418 
* Poly/ML heaps now follow the hierarchy of sessions, and thus require 
419 
much less disk space. 

420 

62354  421 

422 

62031  423 
New in Isabelle2016 (February 2016) 
62016  424 
 
60138  425 

61337  426 
*** General *** 
427 

62168
e97452d79102
Eisbach works for other objectlogics, e.g. Eisbach_FOL.thy;
wenzelm
parents:
62163
diff
changeset

428 
* Eisbach is now based on Pure instead of HOL. Objectslogics may import 
e97452d79102
Eisbach works for other objectlogics, e.g. Eisbach_FOL.thy;
wenzelm
parents:
62163
diff
changeset

429 
either the theory ~~/src/HOL/Eisbach/Eisbach (for HOL etc.) or 
e97452d79102
Eisbach works for other objectlogics, e.g. Eisbach_FOL.thy;
wenzelm
parents:
62163
diff
changeset

430 
~~/src/HOL/Eisbach/Eisbach_Old_Appl_Syntax (for FOL, ZF etc.). Note that 
e97452d79102
Eisbach works for other objectlogics, e.g. Eisbach_FOL.thy;
wenzelm
parents:
62163
diff
changeset

431 
the HOLEisbach session located in ~~/src/HOL/Eisbach/ contains further 
e97452d79102
Eisbach works for other objectlogics, e.g. Eisbach_FOL.thy;
wenzelm
parents:
62163
diff
changeset

432 
examples that do require HOL. 
e97452d79102
Eisbach works for other objectlogics, e.g. Eisbach_FOL.thy;
wenzelm
parents:
62163
diff
changeset

433 

62157  434 
* Better resource usage on all platforms (Linux, Windows, Mac OS X) for 
435 
both Isabelle/ML and Isabelle/Scala. Slightly reduced heap space usage. 

436 

62017  437 
* Former "xsymbols" syntax with Isabelle symbols is used by default, 
438 
without any special print mode. Important ASCII replacement syntax 

439 
remains available under print mode "ASCII", but less important syntax 

440 
has been removed (see below). 

441 

62109  442 
* Support for more arrow symbols, with rendering in LaTeX and Isabelle 
443 
fonts: \<Lleftarrow> \<Rrightarrow> \<longlongleftarrow> \<longlongrightarrow> \<longlonglongleftarrow> \<longlonglongrightarrow>. 

62017  444 

62108
0046bacc5f5b
\<struct> loses its rendering and is superseded by \<diamondop>;
wenzelm
parents:
62107
diff
changeset

445 
* Special notation \<struct> for the first implicit 'structure' in the 
0046bacc5f5b
\<struct> loses its rendering and is superseded by \<diamondop>;
wenzelm
parents:
62107
diff
changeset

446 
context has been discontinued. Rare INCOMPATIBILITY, use explicit 
0046bacc5f5b
\<struct> loses its rendering and is superseded by \<diamondop>;
wenzelm
parents:
62107
diff
changeset

447 
structure name instead, notably in indexed notation with blocksubscript 
0046bacc5f5b
\<struct> loses its rendering and is superseded by \<diamondop>;
wenzelm
parents:
62107
diff
changeset

448 
(e.g. \<odot>\<^bsub>A\<^esub>). 
0046bacc5f5b
\<struct> loses its rendering and is superseded by \<diamondop>;
wenzelm
parents:
62107
diff
changeset

449 

0046bacc5f5b
\<struct> loses its rendering and is superseded by \<diamondop>;
wenzelm
parents:
62107
diff
changeset

450 
* The glyph for \<diamond> in the IsabelleText font now corresponds better to its 
0046bacc5f5b
\<struct> loses its rendering and is superseded by \<diamondop>;
wenzelm
parents:
62107
diff
changeset

451 
counterpart \<box> as quantifierlike symbol. A small diamond is available as 
0046bacc5f5b
\<struct> loses its rendering and is superseded by \<diamondop>;
wenzelm
parents:
62107
diff
changeset

452 
\<diamondop>; the old symbol \<struct> loses this rendering and any special 
0046bacc5f5b
\<struct> loses its rendering and is superseded by \<diamondop>;
wenzelm
parents:
62107
diff
changeset

453 
meaning. 
0046bacc5f5b
\<struct> loses its rendering and is superseded by \<diamondop>;
wenzelm
parents:
62107
diff
changeset

454 

62017  455 
* Syntax for formal comments " text" now also supports the symbolic 
456 
form "\<comment> text". Commandline tool "isabelle update_cartouches c" helps 

457 
to update old sources. 

458 

61337  459 
* Toplevel theorem statements have been simplified as follows: 
460 

461 
theorems ~> lemmas 

462 
schematic_lemma ~> schematic_goal 

463 
schematic_theorem ~> schematic_goal 

464 
schematic_corollary ~> schematic_goal 

465 

466 
Commandline tool "isabelle update_theorems" updates theory sources 

467 
accordingly. 

468 

61338  469 
* Toplevel theorem statement 'proposition' is another alias for 
470 
'theorem'. 

471 

62169  472 
* The old 'defs' command has been removed (legacy since Isabelle2014). 
473 
INCOMPATIBILITY, use regular 'definition' instead. Overloaded and/or 

474 
deferred definitions require a surrounding 'overloading' block. 

475 

61337  476 

60610
f52b4b0c10c4
improved scheduling for urgent tasks, using farm of replacement threads (may lead to factor 2 overloading, but CPUs are usually hyperthreaded);
wenzelm
parents:
60595
diff
changeset

477 
*** Prover IDE  Isabelle/Scala/jEdit *** 
f52b4b0c10c4
improved scheduling for urgent tasks, using farm of replacement threads (may lead to factor 2 overloading, but CPUs are usually hyperthreaded);
wenzelm
parents:
60595
diff
changeset

478 

60986  479 
* IDE support for the sourcelevel debugger of Poly/ML, to work with 
62253  480 
Isabelle/ML and official Standard ML. Option "ML_debugger" and commands 
481 
'ML_file_debug', 'ML_file_no_debug', 'SML_file_debug', 

482 
'SML_file_no_debug' control compilation of sources with or without 

483 
debugging information. The Debugger panel allows to set breakpoints (via 

484 
context menu), step through stopped threads, evaluate local ML 

485 
expressions etc. At least one Debugger view needs to be active to have 

486 
any effect on the running ML program. 

60984  487 

61803  488 
* The State panel manages explicit proof state output, with dynamic 
489 
autoupdate according to cursor movement. Alternatively, the jEdit 

490 
action "isabelle.updatestate" (shortcut S+ENTER) triggers manual 

491 
update. 

61729  492 

493 
* The Output panel no longer shows proof state output by default, to 

494 
avoid GUI overcrowding. INCOMPATIBILITY, use the State panel instead or 

495 
enable option "editor_output_state". 

61215  496 

61803  497 
* The text overview column (status of errors, warnings etc.) is updated 
498 
asynchronously, leading to much better editor reactivity. Moreover, the 

499 
full document node content is taken into account. The width of the 

500 
column is scaled according to the main text area font, for improved 

501 
visibility. 

502 

503 
* The main text area no longer changes its color hue in outdated 

504 
situations. The text overview column takes over the role to indicate 

505 
unfinished edits in the PIDE pipeline. This avoids flashing text display 

506 
due to adhoc updates by auxiliary GUI components, such as the State 

507 
panel. 

508 

62254
81cbea2babd9
tuned NEWS: longrunning tasks can still prevent urgent tasks from being started, due to start_execution pri = 0;
wenzelm
parents:
62253
diff
changeset

509 
* Slightly improved scheduling for urgent print tasks (e.g. command 
81cbea2babd9
tuned NEWS: longrunning tasks can still prevent urgent tasks from being started, due to start_execution pri = 0;
wenzelm
parents:
62253
diff
changeset

510 
state output, interactive queries) wrt. longrunning background tasks. 
62017  511 

512 
* Completion of symbols via prefix of \<name> or \<^name> or \name is 

513 
always possible, independently of the language context. It is never 

514 
implicit: a popup will show up unconditionally. 

515 

516 
* Additional abbreviations for syntactic completion may be specified in 

517 
$ISABELLE_HOME/etc/abbrevs and $ISABELLE_HOME_USER/etc/abbrevs, with 

518 
support for simple templates using ASCII 007 (bell) as placeholder. 

519 

62234
7cc9d7b822ae
discontinued irregular abbrevs: ".o" counts as word, "+o", "*o", "o" are occasionally used as ASCII notation, "*o" is in conflict with "(*o" in comments;
wenzelm
parents:
62231
diff
changeset

520 
* Symbols \<oplus>, \<Oplus>, \<otimes>, \<Otimes>, \<odot>, \<Odot>, \<ominus>, \<oslash> no longer provide abbreviations for 
7cc9d7b822ae
discontinued irregular abbrevs: ".o" counts as word, "+o", "*o", "o" are occasionally used as ASCII notation, "*o" is in conflict with "(*o" in comments;
wenzelm
parents:
62231
diff
changeset

521 
completion like "+o", "*o", ".o" etc.  due to conflicts with other 
7cc9d7b822ae
discontinued irregular abbrevs: ".o" counts as word, "+o", "*o", "o" are occasionally used as ASCII notation, "*o" is in conflict with "(*o" in comments;
wenzelm
parents:
62231
diff
changeset

522 
ASCII syntax. INCOMPATIBILITY, use plain backslashcompletion or define 
7cc9d7b822ae
discontinued irregular abbrevs: ".o" counts as word, "+o", "*o", "o" are occasionally used as ASCII notation, "*o" is in conflict with "(*o" in comments;
wenzelm
parents:
62231
diff
changeset

523 
suitable abbreviations in $ISABELLE_HOME_USER/etc/abbrevs. 
7cc9d7b822ae
discontinued irregular abbrevs: ".o" counts as word, "+o", "*o", "o" are occasionally used as ASCII notation, "*o" is in conflict with "(*o" in comments;
wenzelm
parents:
62231
diff
changeset

524 

61483  525 
* Action "isabelleemph" (with keyboard shortcut C+e LEFT) controls 
526 
emphasized text style; the effect is visible in document output, not in 

527 
the editor. 

528 

529 
* Action "isabellereset" now uses keyboard shortcut C+e BACK_SPACE, 

530 
instead of former C+e LEFT. 

531 

61512
933463440449
more uniform commandline for "isabelle jedit" and the isabelle.Main app wrapper;
wenzelm
parents:
61501
diff
changeset

532 
* The commandline tool "isabelle jedit" and the isabelle.Main 
62027  533 
application wrapper treat the default $USER_HOME/Scratch.thy more 
61512
933463440449
more uniform commandline for "isabelle jedit" and the isabelle.Main app wrapper;
wenzelm
parents:
61501
diff
changeset

534 
uniformly, and allow the dummy file argument ":" to open an empty buffer 
933463440449
more uniform commandline for "isabelle jedit" and the isabelle.Main app wrapper;
wenzelm
parents:
61501
diff
changeset

535 
instead. 
933463440449
more uniform commandline for "isabelle jedit" and the isabelle.Main app wrapper;
wenzelm
parents:
61501
diff
changeset

536 

62017  537 
* New commandline tool "isabelle jedit_client" allows to connect to an 
538 
already running Isabelle/jEdit process. This achieves the effect of 

539 
singleinstance applications seen on common GUI desktops. 

540 

61529
82fc5a6231a2
back to traditional Metal as default, and thus evade current problems with Nimbus scrollbar slider;
wenzelm
parents:
61520
diff
changeset

541 
* The default lookandfeel for Linux is the traditional "Metal", which 
82fc5a6231a2
back to traditional Metal as default, and thus evade current problems with Nimbus scrollbar slider;
wenzelm
parents:
61520
diff
changeset

542 
works better with GUI scaling for very highresolution displays (e.g. 
82fc5a6231a2
back to traditional Metal as default, and thus evade current problems with Nimbus scrollbar slider;
wenzelm
parents:
61520
diff
changeset

543 
4K). Moreover, it is generally more robust than "Nimbus". 
82fc5a6231a2
back to traditional Metal as default, and thus evade current problems with Nimbus scrollbar slider;
wenzelm
parents:
61520
diff
changeset

544 

62163  545 
* Update to jedit5.3.0, with improved GUI scaling and support of 
546 
highresolution displays (e.g. 4K). 

547 

62034  548 
* The main Isabelle executable is managed as singleinstance Desktop 
549 
application uniformly on all platforms: Linux, Windows, Mac OS X. 

550 

60610
f52b4b0c10c4
improved scheduling for urgent tasks, using farm of replacement threads (may lead to factor 2 overloading, but CPUs are usually hyperthreaded);
wenzelm
parents:
60595
diff
changeset

551 

61405  552 
*** Document preparation *** 
553 

62017  554 
* Commands 'paragraph' and 'subparagraph' provide additional section 
555 
headings. Thus there are 6 levels of standard headings, as in HTML. 

556 

557 
* Command 'text_raw' has been clarified: input text is processed as in 

558 
'text' (with antiquotations and control symbols). The key difference is 

559 
the lack of the surrounding isabelle markup environment in output. 

560 

561 
* Text is structured in paragraphs and nested lists, using notation that 

562 
is similar to Markdown. The control symbols for list items are as 

563 
follows: 

564 

565 
\<^item> itemize 

566 
\<^enum> enumerate 

567 
\<^descr> description 

568 

61491
97261e6c1d42
another antiquotation short form: undecorated cartouche as alias for @{text};
wenzelm
parents:
61488
diff
changeset

569 
* There is a new short form for antiquotations with a single argument 
97261e6c1d42
another antiquotation short form: undecorated cartouche as alias for @{text};
wenzelm
parents:
61488
diff
changeset

570 
that is a cartouche: \<^name>\<open>...\<close> is equivalent to @{name \<open>...\<close>} and 
61595  571 
\<open>...\<close> without control symbol is equivalent to @{cartouche \<open>...\<close>}. 
572 
\<^name> without following cartouche is equivalent to @{name}. The 

61501  573 
standard Isabelle fonts provide glyphs to render important control 
574 
symbols, e.g. "\<^verbatim>", "\<^emph>", "\<^bold>". 

61491
97261e6c1d42
another antiquotation short form: undecorated cartouche as alias for @{text};
wenzelm
parents:
61488
diff
changeset

575 

61595  576 
* Antiquotations @{noindent}, @{smallskip}, @{medskip}, @{bigskip} with 
577 
corresponding control symbols \<^noindent>, \<^smallskip>, \<^medskip>, \<^bigskip> specify spacing formally, using 

578 
standard LaTeX macros of the same names. 

579 

61491
97261e6c1d42
another antiquotation short form: undecorated cartouche as alias for @{text};
wenzelm
parents:
61488
diff
changeset

580 
* Antiquotation @{cartouche} in Isabelle/Pure is the same as @{text}. 
97261e6c1d42
another antiquotation short form: undecorated cartouche as alias for @{text};
wenzelm
parents:
61488
diff
changeset

581 
Consequently, \<open>...\<close> without any decoration prints literal quasiformal 
61492  582 
text. Commandline tool "isabelle update_cartouches t" helps to update 
583 
old sources, by approximative patching of the content of string and 

584 
cartouche tokens seen in theory sources. 

61491
97261e6c1d42
another antiquotation short form: undecorated cartouche as alias for @{text};
wenzelm
parents:
61488
diff
changeset

585 

97261e6c1d42
another antiquotation short form: undecorated cartouche as alias for @{text};
wenzelm
parents:
61488
diff
changeset

586 
* The @{text} antiquotation now ignores the antiquotation option 
97261e6c1d42
another antiquotation short form: undecorated cartouche as alias for @{text};
wenzelm
parents:
61488
diff
changeset

587 
"source". The given text content is output unconditionally, without any 
97261e6c1d42
another antiquotation short form: undecorated cartouche as alias for @{text};
wenzelm
parents:
61488
diff
changeset

588 
surrounding quotes etc. Subtle INCOMPATIBILITY, put quotes into the 
61494  589 
argument where they are really intended, e.g. @{text \<open>"foo"\<close>}. Initial 
590 
or terminal spaces are ignored. 

61491
97261e6c1d42
another antiquotation short form: undecorated cartouche as alias for @{text};
wenzelm
parents:
61488
diff
changeset

591 

62017  592 
* Antiquotations @{emph} and @{bold} output LaTeX source recursively, 
593 
adding appropriate text style markup. These may be used in the short 

594 
form \<^emph>\<open>...\<close> and \<^bold>\<open>...\<close>. 

595 

596 
* Document antiquotation @{footnote} outputs LaTeX source recursively, 

597 
marked as \footnote{}. This may be used in the short form \<^footnote>\<open>...\<close>. 

598 

599 
* Antiquotation @{verbatim [display]} supports option "indent". 

600 

601 
* Antiquotation @{theory_text} prints uninterpreted theory source text 

62231
25f4a9cd8b68
tuned markup, e.g. relevant for Rendering.tooltip;
wenzelm
parents:
62209
diff
changeset

602 
(Isar outer syntax with command keywords etc.). This may be used in the 
25f4a9cd8b68
tuned markup, e.g. relevant for Rendering.tooltip;
wenzelm
parents:
62209
diff
changeset

603 
short form \<^theory_text>\<open>...\<close>. @{theory_text [display]} supports option "indent". 
62017  604 

605 
* Antiquotation @{doc ENTRY} provides a reference to the given 

606 
documentation, with a hyperlink in the Prover IDE. 

607 

608 
* Antiquotations @{command}, @{method}, @{attribute} print checked 

609 
entities of the Isar language. 

610 

61471  611 
* HTML presentation uses the standard IsabelleText font and Unicode 
612 
rendering of Isabelle symbols like Isabelle/Scala/jEdit. The former 

61488  613 
print mode "HTML" loses its special meaning. 
61471  614 

61405  615 

60406  616 
*** Isar *** 
617 

62205  618 
* Local goals ('have', 'show', 'hence', 'thus') allow structured rule 
619 
statements like fixes/assumes/shows in theorem specifications, but the 

620 
notation is postfix with keywords 'if' (or 'when') and 'for'. For 

60555
51a6997b1384
support 'when' statement, which corresponds to 'presume';
wenzelm
parents:
60554
diff
changeset

621 
example: 
60414  622 

623 
have result: "C x y" 

624 
if "A x" and "B y" 

625 
for x :: 'a and y :: 'a 

626 
<proof> 

627 

60449  628 
The local assumptions are bound to the name "that". The result is 
629 
exported from context of the statement as usual. The above roughly 

60414  630 
corresponds to a raw proof block like this: 
631 

632 
{ 

633 
fix x :: 'a and y :: 'a 

60449  634 
assume that: "A x" "B y" 
60414  635 
have "C x y" <proof> 
636 
} 

637 
note result = this 

60406  638 

60555
51a6997b1384
support 'when' statement, which corresponds to 'presume';
wenzelm
parents:
60554
diff
changeset

639 
The keyword 'when' may be used instead of 'if', to indicate 'presume' 
51a6997b1384
support 'when' statement, which corresponds to 'presume';
wenzelm
parents:
60554
diff
changeset

640 
instead of 'assume' above. 
51a6997b1384
support 'when' statement, which corresponds to 'presume';
wenzelm
parents:
60554
diff
changeset

641 

61733  642 
* Assumptions ('assume', 'presume') allow structured rule statements 
643 
using 'if' and 'for', similar to 'have' etc. above. For example: 

61658  644 

645 
assume result: "C x y" 

646 
if "A x" and "B y" 

647 
for x :: 'a and y :: 'a 

648 

649 
This assumes "\<And>x y::'a. A x \<Longrightarrow> B y \<Longrightarrow> C x y" and produces a general 

650 
result as usual: "A ?x \<Longrightarrow> B ?y \<Longrightarrow> C ?x ?y". 

651 

652 
Vacuous quantification in assumptions is omitted, i.e. a forcontext 

653 
only effects propositions according to actual use of variables. For 

654 
example: 

655 

656 
assume "A x" and "B y" for x and y 

657 

658 
is equivalent to: 

659 

660 
assume "\<And>x. A x" and "\<And>y. B y" 

661 

60595  662 
* The meaning of 'show' with Pure rule statements has changed: premises 
663 
are treated in the sense of 'assume', instead of 'presume'. This means, 

62205  664 
a goal like "\<And>x. A x \<Longrightarrow> B x \<Longrightarrow> C x" can be solved completely as 
665 
follows: 

60595  666 

667 
show "\<And>x. A x \<Longrightarrow> B x \<Longrightarrow> C x" 

668 

669 
or: 

670 

671 
show "C x" if "A x" "B x" for x 

672 

673 
Rare INCOMPATIBILITY, the old behaviour may be recovered as follows: 

674 

675 
show "C x" when "A x" "B x" for x 

676 

60459  677 
* New command 'consider' states rules for generalized elimination and 
678 
case splitting. This is like a toplevel statement "theorem obtains" used 

679 
within a proof body; or like a multibranch 'obtain' without activation 

680 
of the local context elements yet. 

681 

60455  682 
* Proof method "cases" allows to specify the rule as first entry of 
683 
chained facts. This is particularly useful with 'consider': 

684 

685 
consider (a) A  (b) B  (c) C <proof> 

686 
then have something 

687 
proof cases 

688 
case a 

689 
then show ?thesis <proof> 

690 
next 

691 
case b 

692 
then show ?thesis <proof> 

693 
next 

694 
case c 

695 
then show ?thesis <proof> 

696 
qed 

697 

60565  698 
* Command 'case' allows fact name and attribute specification like this: 
699 

700 
case a: (c xs) 

701 
case a [attributes]: (c xs) 

702 

703 
Facts that are introduced by invoking the case context are uniformly 

704 
qualified by "a"; the same name is used for the cumulative fact. The old 

705 
form "case (c xs) [attributes]" is no longer supported. Rare 

706 
INCOMPATIBILITY, need to adapt uses of case facts in exotic situations, 

707 
and always put attributes in front. 

708 

60618
4c79543cc376
renamed "default" to "standard", to make semantically clear what it is;
wenzelm
parents:
60617
diff
changeset

709 
* The standard proof method of commands 'proof' and '..' is now called 
4c79543cc376
renamed "default" to "standard", to make semantically clear what it is;
wenzelm
parents:
60617
diff
changeset

710 
"standard" to make semantically clear what it is; the old name "default" 
4c79543cc376
renamed "default" to "standard", to make semantically clear what it is;
wenzelm
parents:
60617
diff
changeset

711 
is still available as legacy for some time. Documentation now explains 
4c79543cc376
renamed "default" to "standard", to make semantically clear what it is;
wenzelm
parents:
60617
diff
changeset

712 
'..' more accurately as "by standard" instead of "by rule". 
4c79543cc376
renamed "default" to "standard", to make semantically clear what it is;
wenzelm
parents:
60617
diff
changeset

713 

62017  714 
* Nesting of Isar goal structure has been clarified: the context after 
715 
the initial backwards refinement is retained for the whole proof, within 

716 
all its context sections (as indicated via 'next'). This is e.g. 

717 
relevant for 'using', 'including', 'supply': 

718 

719 
have "A \<and> A" if a: A for A 

720 
supply [simp] = a 

721 
proof 

722 
show A by simp 

723 
next 

724 
show A by simp 

725 
qed 

726 

727 
* Command 'obtain' binds term abbreviations (via 'is' patterns) in the 

728 
proof body as well, abstracted over relevant parameters. 

729 

730 
* Improved typeinference for theorem statement 'obtains': separate 

731 
parameter scope for of each clause. 

732 

733 
* Term abbreviations via 'is' patterns also work for schematic 

734 
statements: result is abstracted over unknowns. 

735 

60631  736 
* Command 'subgoal' allows to impose some structure on backward 
737 
refinements, to avoid proof scripts degenerating into long of 'apply' 

738 
sequences. Further explanations and examples are given in the isarref 

739 
manual. 

740 

62017  741 
* Command 'supply' supports fact definitions during goal refinement 
742 
('apply' scripts). 

743 

61166
5976fe402824
renamed method "goals" to "goal_cases" to emphasize its meaning;
wenzelm
parents:
61158
diff
changeset

744 
* Proof method "goal_cases" turns the current subgoals into cases within 
5976fe402824
renamed method "goals" to "goal_cases" to emphasize its meaning;
wenzelm
parents:
61158
diff
changeset

745 
the context; the conclusion is bound to variable ?case in each case. For 
5976fe402824
renamed method "goals" to "goal_cases" to emphasize its meaning;
wenzelm
parents:
61158
diff
changeset

746 
example: 
60617  747 

748 
lemma "\<And>x. A x \<Longrightarrow> B x \<Longrightarrow> C x" 

60622  749 
and "\<And>y z. U y \<Longrightarrow> V z \<Longrightarrow> W y z" 
61166
5976fe402824
renamed method "goals" to "goal_cases" to emphasize its meaning;
wenzelm
parents:
61158
diff
changeset

750 
proof goal_cases 
60622  751 
case (1 x) 
752 
then show ?case using \<open>A x\<close> \<open>B x\<close> sorry 

753 
next 

754 
case (2 y z) 

755 
then show ?case using \<open>U y\<close> \<open>V z\<close> sorry 

756 
qed 

757 

758 
lemma "\<And>x. A x \<Longrightarrow> B x \<Longrightarrow> C x" 

759 
and "\<And>y z. U y \<Longrightarrow> V z \<Longrightarrow> W y z" 

61166
5976fe402824
renamed method "goals" to "goal_cases" to emphasize its meaning;
wenzelm
parents:
61158
diff
changeset

760 
proof goal_cases 
60617  761 
case prems: 1 
762 
then show ?case using prems sorry 

763 
next 

764 
case prems: 2 

765 
then show ?case using prems sorry 

766 
qed 

60578  767 

60581  768 
* The undocumented feature of implicit cases goal1, goal2, goal3, etc. 
60617  769 
is marked as legacy, and will be removed eventually. The proof method 
770 
"goals" achieves a similar effect within regular Isar; often it can be 

771 
done more adequately by other means (e.g. 'consider'). 

60581  772 

62017  773 
* The vacuous fact "TERM x" may be established "by fact" or as `TERM x` 
774 
as well, not just "by this" or "." as before. 

60551  775 

60554  776 
* Method "sleep" succeeds after a realtime delay (in seconds). This is 
777 
occasionally useful for demonstration and testing purposes. 

778 

60406  779 

60331  780 
*** Pure *** 
781 

61606
6d5213bd9709
uniform mandatory qualifier for all locale expressions, including 'statespace' parent;
wenzelm
parents:
61604
diff
changeset

782 
* Qualifiers in locale expressions default to mandatory ('!') regardless 
6d5213bd9709
uniform mandatory qualifier for all locale expressions, including 'statespace' parent;
wenzelm
parents:
61604
diff
changeset

783 
of the command. Previously, for 'locale' and 'sublocale' the default was 
6d5213bd9709
uniform mandatory qualifier for all locale expressions, including 'statespace' parent;
wenzelm
parents:
61604
diff
changeset

784 
optional ('?'). The old synatx '!' has been discontinued. 
6d5213bd9709
uniform mandatory qualifier for all locale expressions, including 'statespace' parent;
wenzelm
parents:
61604
diff
changeset

785 
INCOMPATIBILITY, remove '!' and add '?' as required. 
61565
352c73a689da
Qualifiers in locale expressions default to mandatory regardless of the command.
ballarin
parents:
61551
diff
changeset

786 

61566
c3d6e570ccef
Keyword 'rewrites' identifies rewrite morphisms.
ballarin
parents:
61565
diff
changeset

787 
* Keyword 'rewrites' identifies rewrite morphisms in interpretation 
62017  788 
commands. Previously, the keyword was 'where'. INCOMPATIBILITY. 
61566
c3d6e570ccef
Keyword 'rewrites' identifies rewrite morphisms.
ballarin
parents:
61565
diff
changeset

789 

61701
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

790 
* More gentle suppression of syntax along locale morphisms while 
62017  791 
printing terms. Previously 'abbreviation' and 'notation' declarations 
792 
would be suppressed for morphisms except term identity. Now 

61701
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

793 
'abbreviation' is also kept for morphims that only change the involved 
62017  794 
parameters, and only 'notation' is suppressed. This can be of great help 
795 
when working with complex locale hierarchies, because proof states are 

796 
displayed much more succinctly. It also means that only notation needs 

797 
to be redeclared if desired, as illustrated by this example: 

61701
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

798 

e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

799 
locale struct = fixes composition :: "'a => 'a => 'a" (infixl "\<cdot>" 65) 
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

800 
begin 
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

801 
definition derived (infixl "\<odot>" 65) where ... 
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

802 
end 
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

803 

e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

804 
locale morphism = 
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

805 
left: struct composition + right: struct composition' 
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

806 
for composition (infix "\<cdot>" 65) and composition' (infix "\<cdot>''" 65) 
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

807 
begin 
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

808 
notation right.derived ("\<odot>''") 
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

809 
end 
e89cfc004f18
Refine the supression of abbreviations for morphisms that are not identities.
ballarin
parents:
61694
diff
changeset

810 

61895  811 
* Command 'global_interpretation' issues interpretations into global 
812 
theories, with optional rewrite definitions following keyword 'defines'. 

813 

814 
* Command 'sublocale' accepts optional rewrite definitions after keyword 

61675  815 
'defines'. 
816 

61895  817 
* Command 'permanent_interpretation' has been discontinued. Use 
818 
'global_interpretation' or 'sublocale' instead. INCOMPATIBILITY. 

61670
301e0b4ecd45
coalesce permanent_interpretation.ML with interpretation.ML
haftmann
parents:
61660
diff
changeset

819 

61252  820 
* Command 'print_definitions' prints dependencies of definitional 
821 
specifications. This functionality used to be part of 'print_theory'. 

822 

60331  823 
* Configuration option rule_insts_schematic has been discontinued 
62017  824 
(intermediate legacy feature in Isabelle2015). INCOMPATIBILITY. 
60331  825 

62205  826 
* Abbreviations in type classes now carry proper sort constraint. Rare 
827 
INCOMPATIBILITY in situations where the previous misbehaviour has been 

828 
exploited. 

60347  829 

830 
* Refinement of userspace type system in type classes: pseudolocal 

62205  831 
operations behave more similar to abbreviations. Potential 
60347  832 
INCOMPATIBILITY in exotic situations. 
833 

834 

60171  835 
*** HOL *** 
836 

62017  837 
* The 'typedef' command has been upgraded from a partially checked 
838 
"axiomatization", to a full definitional specification that takes the 

839 
global collection of overloaded constant / type definitions into 

840 
account. Type definitions with open dependencies on overloaded 

841 
definitions need to be specified as "typedef (overloaded)". This 

842 
provides extra robustness in theory construction. Rare INCOMPATIBILITY. 

843 

844 
* Qualification of various formal entities in the libraries is done more 

845 
uniformly via "context begin qualified definition ... end" instead of 

846 
oldstyle "hide_const (open) ...". Consequently, both the defined 

847 
constant and its defining fact become qualified, e.g. Option.is_none and 

848 
Option.is_none_def. Occasional INCOMPATIBILITY in applications. 

849 

850 
* Some old and rarely used ASCII replacement syntax has been removed. 

851 
INCOMPATIBILITY, standard syntax with symbols should be used instead. 

852 
The subsequent commands help to reproduce the old forms, e.g. to 

853 
simplify porting old theories: 

854 

855 
notation iff (infixr "<>" 25) 

856 

857 
notation Times (infixr "<*>" 80) 

858 

859 
type_notation Map.map (infixr "~=>" 0) 

860 
notation Map.map_comp (infixl "o'_m" 55) 

861 

862 
type_notation FinFun.finfun ("(_ =>f /_)" [22, 21] 21) 

863 

864 
notation FuncSet.funcset (infixr ">" 60) 

865 
notation FuncSet.extensional_funcset (infixr ">\<^sub>E" 60) 

866 

867 
notation Omega_Words_Fun.conc (infixr "conc" 65) 

868 

869 
notation Preorder.equiv ("op ~~") 

870 
and Preorder.equiv ("(_/ ~~ _)" [51, 51] 50) 

871 

872 
notation (in topological_space) tendsto (infixr ">" 55) 

873 
notation (in topological_space) LIMSEQ ("((_)/ > (_))" [60, 60] 60) 

874 
notation LIM ("((_)/  (_)/ > (_))" [60, 0, 60] 60) 

875 

876 
notation NSA.approx (infixl "@=" 50) 

877 
notation NSLIMSEQ ("((_)/ NS> (_))" [60, 60] 60) 

878 
notation NSLIM ("((_)/  (_)/ NS> (_))" [60, 0, 60] 60) 

879 

880 
* The alternative notation "\<Colon>" for type and sort constraints has been 

881 
removed: in LaTeX document output it looks the same as "::". 

882 
INCOMPATIBILITY, use plain "::" instead. 

883 

884 
* Commands 'inductive' and 'inductive_set' work better when names for 

885 
intro rules are omitted: the "cases" and "induct" rules no longer 

886 
declare empty case_names, but no case_names at all. This allows to use 

887 
numbered cases in proofs, without requiring method "goal_cases". 

888 

889 
* Inductive definitions ('inductive', 'coinductive', etc.) expose 

890 
lowlevel facts of the internal construction only if the option 

62093  891 
"inductive_internals" is enabled. This refers to the internal predicate 
62017  892 
definition and its monotonicity result. Rare INCOMPATIBILITY. 
893 

894 
* Recursive function definitions ('fun', 'function', 'partial_function') 

895 
expose lowlevel facts of the internal construction only if the option 

62205  896 
"function_internals" is enabled. Its internal inductive definition is 
897 
also subject to "inductive_internals". Rare INCOMPATIBILITY. 

62093  898 

899 
* BNF datatypes ('datatype', 'codatatype', etc.) expose lowlevel facts 

900 
of the internal construction only if the option "bnf_internals" is 

901 
enabled. This supersedes the former option "bnf_note_all". Rare 

902 
INCOMPATIBILITY. 

62017  903 

904 
* Combinator to represent case distinction on products is named 

905 
"case_prod", uniformly, discontinuing any input aliasses. Very popular 

906 
theorem aliasses have been retained. 

907 

61424
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

908 
Consolidated facts: 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

909 
PairE ~> prod.exhaust 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

910 
Pair_eq ~> prod.inject 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

911 
pair_collapse ~> prod.collapse 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

912 
Pair_fst_snd_eq ~> prod_eq_iff 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

913 
split_twice ~> prod.case_distrib 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

914 
split_weak_cong ~> prod.case_cong_weak 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

915 
split_split ~> prod.split 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

916 
split_split_asm ~> prod.split_asm 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

917 
splitI ~> case_prodI 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

918 
splitD ~> case_prodD 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

919 
splitI2 ~> case_prodI2 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

920 
splitI2' ~> case_prodI2' 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

921 
splitE ~> case_prodE 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

922 
splitE' ~> case_prodE' 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

923 
split_pair ~> case_prod_Pair 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

924 
split_eta ~> case_prod_eta 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

925 
split_comp ~> case_prod_comp 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

926 
mem_splitI ~> mem_case_prodI 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

927 
mem_splitI2 ~> mem_case_prodI2 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

928 
mem_splitE ~> mem_case_prodE 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

929 
The_split ~> The_case_prod 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

930 
cond_split_eta ~> cond_case_prod_eta 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

931 
Collect_split_in_rel_leE ~> Collect_case_prod_in_rel_leE 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

932 
Collect_split_in_rel_leI ~> Collect_case_prod_in_rel_leI 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

933 
in_rel_Collect_split_eq ~> in_rel_Collect_case_prod_eq 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

934 
Collect_split_Grp_eqD ~> Collect_case_prod_Grp_eqD 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

935 
Collect_split_Grp_inD ~> Collect_case_prod_Grp_in 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

936 
Domain_Collect_split ~> Domain_Collect_case_prod 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

937 
Image_Collect_split ~> Image_Collect_case_prod 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

938 
Range_Collect_split ~> Range_Collect_case_prod 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

939 
Eps_split ~> Eps_case_prod 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

940 
Eps_split_eq ~> Eps_case_prod_eq 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

941 
split_rsp ~> case_prod_rsp 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

942 
curry_split ~> curry_case_prod 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

943 
split_curry ~> case_prod_curry 
62017  944 

61424
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

945 
Changes in structure HOLogic: 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

946 
split_const ~> case_prod_const 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

947 
mk_split ~> mk_case_prod 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

948 
mk_psplits ~> mk_ptupleabs 
c3658c18b7bc
prod_case as canonical name for product type eliminator
haftmann
parents:
61405
diff
changeset

949 
strip_psplits ~> strip_ptupleabs 
62017  950 

951 
INCOMPATIBILITY. 

952 

953 
* The coercions to type 'real' have been reorganised. The function 

954 
'real' is no longer overloaded, but has type 'nat => real' and 

955 
abbreviates of_nat for that type. Also 'real_of_int :: int => real' 

956 
abbreviates of_int for that type. Other overloaded instances of 'real' 

957 
have been replaced by 'real_of_ereal' and 'real_of_float'. 

958 

61694
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

959 
Consolidated facts (among others): 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

960 
real_of_nat_le_iff > of_nat_le_iff 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

961 
real_of_nat_numeral of_nat_numeral 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

962 
real_of_int_zero of_int_0 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

963 
real_of_nat_zero of_nat_0 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

964 
real_of_one of_int_1 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

965 
real_of_int_add of_int_add 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

966 
real_of_nat_add of_nat_add 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

967 
real_of_int_diff of_int_diff 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

968 
real_of_nat_diff of_nat_diff 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

969 
floor_subtract floor_diff_of_int 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

970 
real_of_int_inject of_int_eq_iff 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

971 
real_of_int_gt_zero_cancel_iff of_int_0_less_iff 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

972 
real_of_int_ge_zero_cancel_iff of_int_0_le_iff 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

973 
real_of_nat_ge_zero of_nat_0_le_iff 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

974 
real_of_int_ceiling_ge le_of_int_ceiling 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

975 
ceiling_less_eq ceiling_less_iff 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

976 
ceiling_le_eq ceiling_le_iff 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

977 
less_floor_eq less_floor_iff 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

978 
floor_less_eq floor_less_iff 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

979 
floor_divide_eq_div floor_divide_of_int_eq 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

980 
real_of_int_zero_cancel of_nat_eq_0_iff 
6571c78c9667
Removed some legacy theorems; minor adjustments to simplification rules; new material on homotopic paths
paulson <lp15@cam.ac.uk>
parents:
61685
diff
changeset

981 
ceiling_real_of_int ceiling_of_int 
62017  982 

983 
INCOMPATIBILITY. 

61143  984 

60841  985 
* Theory Map: lemma map_of_is_SomeD was a clone of map_of_SomeD and has 
986 
been removed. INCOMPATIBILITY. 

987 

60712
3ba16d28449d
Quickcheck setup for finite sets
Lars Hupel <lars.hupel@mytum.de>
parents:
60707
diff
changeset

988 
* Quickcheck setup for finite sets. 
3ba16d28449d
Quickcheck setup for finite sets
Lars Hupel <lars.hupel@mytum.de>
parents:
60707
diff
changeset

989 

60171  990 
* Discontinued simp_legacy_precond. Potential INCOMPATIBILITY. 
60138  991 

60306
6b7c64ab8bd2
made Auto Sledgehammer behave more like the real thing
blanchet
parents:
60301
diff
changeset

992 
* Sledgehammer: 
61318  993 
 The MaSh relevance filter has been sped up. 
60306
6b7c64ab8bd2
made Auto Sledgehammer behave more like the real thing
blanchet
parents:
60301
diff
changeset

994 
 Proof reconstruction has been improved, to minimize the incidence of 
6b7c64ab8bd2
made Auto Sledgehammer behave more like the real thing
blanchet
parents:
60301
diff
changeset

995 
cases where Sledgehammer gives a proof that does not work. 
6b7c64ab8bd2
made Auto Sledgehammer behave more like the real thing
blanchet
parents:
60301
diff
changeset

996 
 Auto Sledgehammer now minimizes and preplays the results. 
61030  997 
 Handle Vampire 4.0 proof output without raising exception. 
61043  998 
 Eliminated "MASH" environment variable. Use the "MaSh" option in 
999 
Isabelle/jEdit instead. INCOMPATIBILITY. 

61317  1000 
 Eliminated obsolete "blocking" option and related subcommands. 
60306
6b7c64ab8bd2
made Auto Sledgehammer behave more like the real thing
blanchet
parents:
60301
diff
changeset

1001 

60310  1002 
* Nitpick: 
61325
1cfc476198c9
avoid too aggressive optimization of 'finite' predicate
blanchet
parents:
61324
diff
changeset

1003 
 Fixed soundness bug in translation of "finite" predicate. 
61324
d4ec7594f558
avoid unsound simplification of (C (s x)) when s is a selector but not C's
blanchet
parents:
61318
diff
changeset

1004 
 Fixed soundness bug in "destroy_constrs" optimization. 
62080  1005 
 Fixed soundness bug in translation of "rat" type. 
60310  1006 
 Removed "check_potential" and "check_genuine" options. 
61317  1007 
 Eliminated obsolete "blocking" option. 
60310  1008 

62027  1009 
* (Co)datatype package: 
61345  1010 
 New commands "lift_bnf" and "copy_bnf" for lifting (copying) a BNF 
1011 
structure on the raw type to an abstract type defined using typedef. 

1012 
 Always generate "case_transfer" theorem. 

62235  1013 
 For mutual types, generate slightly stronger "rel_induct", 
1014 
"rel_coinduct", and "coinduct" theorems. INCOMPATIBLITY. 

61551  1015 
 Allow discriminators and selectors with the same name as the type 
1016 
being defined. 

1017 
 Avoid various internal name clashes (e.g., 'datatype f = f'). 

60920  1018 

62098  1019 
* Transfer: new methods for interactive debugging of 'transfer' and 
1020 
'transfer_prover': 'transfer_start', 'transfer_step', 'transfer_end', 

1021 
'transfer_prover_start' and 'transfer_prover_end'. 

61370  1022 

62118  1023 
* New diagnostic command print_record for displaying record definitions. 
1024 

60868
dd18c33c001e
direct bootstrap of integer division from natural division
haftmann
parents:
60841
diff
changeset

1025 
* Division on integers is bootstrapped directly from division on 
62017  1026 
naturals and uses generic numeral algorithm for computations. Slight 
1027 
INCOMPATIBILITY, simproc numeral_divmod replaces and generalizes former 

1028 
simprocs binary_int_div and binary_int_mod 

1029 

1030 
* Tightened specification of class semiring_no_zero_divisors. Minor 

60516
0826b7025d07
generalized some theorems about integral domains and moved to HOL theories
haftmann
parents:
60515
diff
changeset

1031 
INCOMPATIBILITY. 
0826b7025d07
generalized some theorems about integral domains and moved to HOL theories
haftmann
parents:
60515
diff
changeset

1032 

60688
01488b559910
avoid explicit definition of the relation of associated elements in a ring  prefer explicit normalization instead
haftmann
parents:
60642
diff
changeset

1033 
* Class algebraic_semidom introduces common algebraic notions of 
62017  1034 
integral (semi)domains, particularly units. Although logically subsumed 
1035 
by fields, is is not a super class of these in order not to burden 

1036 
fields with notions that are trivial there. 

1037 

1038 
* Class normalization_semidom specifies canonical representants for 

1039 
equivalence classes of associated elements in an integral (semi)domain. 

1040 
This formalizes associated elements as well. 

60688
01488b559910
avoid explicit definition of the relation of associated elements in a ring  prefer explicit normalization instead
haftmann
parents:
60642
diff
changeset

1041 

01488b559910
avoid explicit definition of the relation of associated elements in a ring  prefer explicit normalization instead
haftmann
parents:
60642
diff
changeset

1042 
* Abstract specification of gcd/lcm operations in classes semiring_gcd, 
62017  1043 
semiring_Gcd, semiring_Lcd. Minor INCOMPATIBILITY: facts gcd_nat.commute 
1044 
and gcd_int.commute are subsumed by gcd.commute, as well as 

1045 
gcd_nat.assoc and gcd_int.assoc by gcd.assoc. 

1046 

1047 
* Former constants Fields.divide (_ / _) and Divides.div (_ div _) are 

1048 
logically unified to Rings.divide in syntactic type class Rings.divide, 

1049 
with infix syntax (_ div _). Infix syntax (_ / _) for field division is 

1050 
added later as abbreviation in class Fields.inverse. INCOMPATIBILITY, 

1051 
instantiations must refer to Rings.divide rather than the former 

1052 
separate constants, hence infix syntax (_ / _) is usually not available 

1053 
during instantiation. 

1054 

1055 
* New cancellation simprocs for boolean algebras to cancel complementary 

1056 
terms for sup and inf. For example, "sup x (sup y ( x))" simplifies to 

1057 
"top". INCOMPATIBILITY. 

61629
90f54d9e63f2
cancel complementary terms as arguments to sup/inf in boolean algebras
Andreas Lochbihler
parents:
61623
diff
changeset

1058 

62101  1059 
* Class uniform_space introduces uniform spaces btw topological spaces 
1060 
and metric spaces. Minor INCOMPATIBILITY: open_<type>_def needs to be 

62205  1061 
introduced in the form of an uniformity. Some constants are more general 
1062 
now, it may be necessary to add type class constraints. 

62101  1063 

1064 
open_real_def \<leadsto> open_dist 

1065 
open_complex_def \<leadsto> open_dist 

1066 

62026  1067 
* Library/Monad_Syntax: notation uses symbols \<bind> and \<then>. INCOMPATIBILITY. 
1068 

60397
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1069 
* Library/Multiset: 
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1070 
 Renamed multiset inclusion operators: 
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1071 
< ~> <# 
62208
ad43b3ab06e4
added 'supset' variants for new '<#' etc. symbols on multisets
blanchet
parents:
62205
diff
changeset

1072 
> ~> ># 
60397
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1073 
<= ~> <=# 
62208
ad43b3ab06e4
added 'supset' variants for new '<#' etc. symbols on multisets
blanchet
parents:
62205
diff
changeset

1074 
>= ~> >=# 
60397
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1075 
\<le> ~> \<le># 
62208
ad43b3ab06e4
added 'supset' variants for new '<#' etc. symbols on multisets
blanchet
parents:
62205
diff
changeset

1076 
\<ge> ~> \<ge># 
60397
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1077 
INCOMPATIBILITY. 
62209  1078 
 Added multiset inclusion operator syntax: 
1079 
\<subset># 

1080 
\<subseteq># 

1081 
\<supset># 

1082 
\<supseteq># 

60397
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1083 
 "'a multiset" is no longer an instance of the "order", 
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1084 
"ordered_ab_semigroup_add_imp_le", "ordered_cancel_comm_monoid_diff", 
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1085 
"semilattice_inf", and "semilattice_sup" type classes. The theorems 
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1086 
previously provided by these type classes (directly or indirectly) 
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1087 
are now available through the "subset_mset" interpretation 
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1088 
(e.g. add_mono ~> subset_mset.add_mono). 
f8a513fedb31
Renaming multiset operators < ~> <#,...
Mathias Fleury <Mathias.Fleury@mpiinf.mpg.de>
parents:
60390
diff
changeset

1089 
INCOMPATIBILITY. 
60497  1090 
 Renamed conversions: 
60515  1091 
multiset_of ~> mset 
1092 
multiset_of_set ~> mset_set 

60497  1093 
set_of ~> set_mset 
1094 
INCOMPATIBILITY 

60398  1095 
 Renamed lemmas: 
1096 
mset_le_def ~> subseteq_mset_def 

1097 
mset_less_def ~> subset_mset_def 

60400  1098 
less_eq_multiset.rep_eq ~> subseteq_mset_def 
1099 
INCOMPATIBILITY 

1100 
 Removed lemmas generated by lift_definition: 

62235  1101 
less_eq_multiset.abs_eq, less_eq_multiset.rsp, 
1102 
less_eq_multiset.transfer, less_eq_multiset_def 

60400  1103 
INCOMPATIBILITY 
60006  1104 

62017  1105 
* Library/Omega_Words_Fun: Infinite words modeled as functions nat \<Rightarrow> 'a. 
1106 

1107 
* Library/Bourbaki_Witt_Fixpoint: Added formalisation of the 

1108 
BourbakiWitt fixpoint theorem for increasing functions in 

1109 
chaincomplete partial orders. 

1110 

1111 
* Library/Old_Recdef: discontinued obsolete 'defer_recdef' command. 

1112 
Minor INCOMPATIBILITY, use 'function' instead. 

1113 

62064  1114 
* Library/Periodic_Fun: a locale that provides convenient lemmas for 
1115 
periodic functions. 

62060
b75764fc4c35
Added summability/Gamma/etc. to NEWS and CONTRIBUTORS
eberlm
parents:
62034
diff
changeset

1116 

62098  1117 
* Library/Formal_Power_Series: proper definition of division (with 
1118 
remainder) for formal power series; instances for Euclidean Ring and 

1119 
GCD. 

62086
1c0246456ab9
Added formal power series updates to NEWS/CONTRIBUTORS
Manuel Eberl <eberlm@in.tum.de>
parents:
62084
diff
changeset

1120 

62084  1121 
* HOLImperative_HOL: obsolete theory Legacy_Mrec has been removed. 
1122 

1123 
* HOLStatespace: command 'statespace' uses mandatory qualifier for 

1124 
import of parent, as for general 'locale' expressions. INCOMPATIBILITY, 

1125 
remove '!' and add '?' as required. 

1126 

62237  1127 
* HOLDecision_Procs: The "approximation" method works with "powr" 
1128 
(exponentiation on real numbers) again. 

1129 

62084  1130 
* HOLMultivariate_Analysis: theory Cauchy_Integral_Thm with Contour 
1131 
integrals (= complex path integrals), Cauchy's integral theorem, winding 

1132 
numbers and Cauchy's integral formula, Liouville theorem, Fundamental 

1133 
Theorem of Algebra. Ported from HOL Light. 

1134 

1135 
* HOLMultivariate_Analysis: topological concepts such as connected 

62017  1136 
components, homotopic paths and the inside or outside of a set. 
61121
efe8b18306b7
do not expose lowlevel "_def" facts of 'function' definitions, to avoid potential confusion with the situation of plain 'definition';
wenzelm
parents:
61119
diff
changeset

1137 

62084  1138 
* HOLMultivariate_Analysis: radius of convergence of power series and 
62064  1139 
various summability tests; Harmonic numbers and the Euler–Mascheroni 
1140 
constant; the Generalised Binomial Theorem; the complex and real 

1141 
Gamma/logGamma/Digamma/ Polygamma functions and their most important 

1142 
properties. 

62060
b75764fc4c35
Added summability/Gamma/etc. to NEWS and CONTRIBUTORS
eberlm
parents:
62034
diff
changeset

1143 

62084  1144 
* HOLProbability: The central limit theorem based on Levy's uniqueness 
1145 
and continuity theorems, weak convergence, and characterisitc functions. 

1146 

1147 
* HOLData_Structures: new and growing session of standard data 

1148 
structures. 

61178
0b071f72f330
Omega_Words_Fun: Infinite words as functions from nat.
lammich <lammich@in.tum.de>
parents:
61174
diff
changeset

1149 

60479  1150 

60793  1151 
*** ML *** 
1152 

62017  1153 
* The following combinators for lowlevel profiling of the ML runtime 
1154 
system are available: 

1155 

1156 
profile_time (*CPU time*) 

1157 
profile_time_thread (*CPU time on this thread*) 

1158 
profile_allocations (*overall heap allocations*) 

1159 

1160 
* Antiquotation @{undefined} or \<^undefined> inlines (raise Match). 

1161 

62075  1162 
* Antiquotation @{method NAME} inlines the (checked) name of the given 
1163 
Isar proof method. 

1164 

61922  1165 
* Pretty printing of Poly/ML compiler output in Isabelle has been 
1166 
improved: proper treatment of break offsets and blocks with consistent 

1167 
breaks. 

1168 

61268  1169 
* The auxiliary module Pure/display.ML has been eliminated. Its 
1170 
elementary thm print operations are now in Pure/more_thm.ML and thus 

1171 
called Thm.pretty_thm, Thm.string_of_thm etc. INCOMPATIBILITY. 

1172 

61144  1173 
* Simproc programming interfaces have been simplified: 
1174 
Simplifier.make_simproc and Simplifier.define_simproc supersede various 

1175 
forms of Simplifier.mk_simproc, Simplifier.simproc_global etc. Note that 

1176 
term patterns for the lefthand sides are specified with implicitly 

1177 
fixed variables, like toplevel theorem statements. INCOMPATIBILITY. 

1178 

60802  1179 
* Instantiation rules have been reorganized as follows: 
1180 

1181 
Thm.instantiate (*lowlevel instantiation with named arguments*) 

1182 
Thm.instantiate' (*version with positional arguments*) 

1183 

1184 
Drule.infer_instantiate (*instantiation with type inference*) 

1185 
Drule.infer_instantiate' (*version with positional arguments*) 

1186 

1187 
The LHS only requires variable specifications, instead of full terms. 

1188 
Old cterm_instantiate is superseded by infer_instantiate. 

1189 
INCOMPATIBILITY, need to readjust some ML names and types accordingly. 

1190 

60793  1191 
* Old tactic shorthands atac, rtac, etac, dtac, ftac have been 
1192 
discontinued. INCOMPATIBILITY, use regular assume_tac, resolve_tac etc. 

1193 
instead (with proper context). 

60642
48dd1cefb4ae
simplified Thm.instantiate and derivatives: the LHS refers to noncertified variables  this merely serves as index into already certified structures (or is ignored);
wenzelm
parents:
60631
diff
changeset

1194 

48dd1cefb4ae
simplified Thm.instantiate and derivatives: the LHS refers to noncertified variables  this merely serves as index into already certified structures (or is ignored);
wenzelm
parents:
60631
diff
changeset

1195 
* Thm.instantiate (and derivatives) no longer require the LHS of the 
48dd1cefb4ae
simplified Thm.instantiate and derivatives: the LHS refers to noncertified variables  this merely serves as index into already certified structures (or is ignored);
wenzelm
parents:
60631
diff
changeset

1196 
instantiation to be certified: plain variables are given directly. 
48dd1cefb4ae
simplified Thm.instantiate and derivatives: the LHS refers to noncertified variables  this merely serves as index into already certified structures (or is ignored);
wenzelm
parents:
60631
diff
changeset

1197 

60707
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasibound variables (like the Simplifier);
wenzelm
parents:
60688
diff
changeset

1198 
* Subgoal.SUBPROOF and Subgoal.FOCUS combinators use anonymous 
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasibound variables (like the Simplifier);
wenzelm
parents:
60688
diff
changeset

1199 
quasibound variables (like the Simplifier), instead of accidentally 
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasibound variables (like the Simplifier);
wenzelm
parents:
60688
diff
changeset

1200 
named local fixes. This has the potential to improve stability of proof 
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasibound variables (like the Simplifier);
wenzelm
parents:
60688
diff
changeset

1201 
tools, but can also cause INCOMPATIBILITY for tools that don't observe 
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasibound variables (like the Simplifier);
wenzelm
parents:
60688
diff
changeset

1202 
the proof context discipline. 
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasibound variables (like the Simplifier);
wenzelm
parents:
60688
diff
changeset

1203 

62017  1204 
* Isar proof methods are based on a slightly more general type 
1205 
context_tactic, which allows to change the proof context dynamically 

1206 
(e.g. to update cases) and indicate explicit Seq.Error results. Former 

1207 
METHOD_CASES is superseded by CONTEXT_METHOD; further combinators are 

1208 
provided in src/Pure/Isar/method.ML for convenience. INCOMPATIBILITY. 

61885
acdfc76a6c33
more explicit ML profiling, with official Isabelle output;
wenzelm
parents:
61848
diff
changeset

1209 

60642
48dd1cefb4ae
simplified Thm.instantiate and derivatives: the LHS refers to noncertified variables  this merely serves as index into already certified structures (or is ignored);
wenzelm
parents:
60631
diff
changeset

1210 

60983
ff4a67c65084
updated to polyml5.5.320150820, with native x86windows support;
wenzelm
parents:
60922
diff
changeset

1211 
*** System *** 
ff4a67c65084
updated to polyml5.5.320150820, with native x86windows support;
wenzelm
parents:
60922
diff
changeset

1212 

62525  1213 
* Commandline tool "isabelle console" enables print mode "ASCII". 
61958  1214 

62017  1215 
* Commandline tool "isabelle update_then" expands old Isar command 
1216 
conflations: 

1217 

1218 
hence ~> then have 

1219 
thus ~> then show 

1220 

1221 
This syntax is more orthogonal and improves readability and 

1222 
maintainability of proofs. 

1223 

61602  1224 
* Global session timeout is multiplied by timeout_scale factor. This 
1225 
allows to adjust largescale tests (e.g. AFP) to overall hardware 

1226 
performance. 

1227 

61174  1228 
* Property values in etc/symbols may contain spaces, if written with the 
62671  1229 
replacement character "␣" (Unicode point 0x2324). For example: 
1230 

1231 
\<star> code: 0x0022c6 group: operator font: Deja␣Vu␣Sans␣Mono 

61174  1232 

60995
5176de8f90db
updated to jdk8u60, with support for x86_64windows;
wenzelm
parents:
60986
diff
changeset

1233 
* Java runtime environment for x86_64windows allows to use larger heap 
5176de8f90db
updated to jdk8u60, with support for x86_64windows;
wenzelm
parents:
60986
diff
changeset

1234 
space. 
5176de8f90db
updated to jdk8u60, with support for x86_64windows;
wenzelm
parents:
60986
diff
changeset

1235 

61135
8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1236 
* Java runtime options are determined separately for 32bit vs. 64bit 
8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1237 
platforms as follows. 
8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1238 

8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1239 
 Isabelle desktop application: platformspecific files that are 
8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1240 
associated with the main app bundle 
8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1241 

8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1242 
 isabelle jedit: settings 
8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1243 
JEDIT_JAVA_SYSTEM_OPTIONS 
8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1244 
JEDIT_JAVA_OPTIONS32 vs. JEDIT_JAVA_OPTIONS64 
8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1245 

8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1246 
 isabelle build: settings 
8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1247 
ISABELLE_BUILD_JAVA_OPTIONS32 vs. ISABELLE_BUILD_JAVA_OPTIONS64 
8f7d802b7a71
clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
wenzelm
parents:
61134
diff
changeset

1248 

61294  1249 
* Bash shell function "jvmpath" has been renamed to "platform_path": it 
1250 
is relevant both for Poly/ML and JVM processes. 

1251 

62017  1252 
* Poly/ML default platform architecture may be changed from 32bit to 
62205  1253 
64bit via system option ML_system_64. A system restart (and rebuild) is 
1254 
required after change. 

62017  1255 

1256 
* Poly/ML 5.6 runs natively on x86windows and x86_64windows, which 

1257 
both allow larger heap space than former x86cygwin. 

1258 

62157  1259 
* Heap images are 1015% smaller due to less wasteful persistent theory 
1260 
content (using ML type theory_id instead of theory); 

1261 

60983
ff4a67c65084
updated to polyml5.5.320150820, with native x86windows support;
wenzelm
parents:
60922
diff
changeset

1262 

60479  1263 

60009  1264 
New in Isabelle2015 (May 2015) 
1265 
 

57695  1266 

57941
57200bdc2aa7
localized command 'method_setup' and 'attribute_setup';
wenzelm
parents:
57882
diff
changeset

1267 
*** General *** 
57200bdc2aa7
localized command 'method_setup' and 'attribute_setup';
wenzelm
parents:
57882
diff
changeset

1268 

59939
7d46aa03696e
support for 'restricted' modifier: only qualified accesses outside the local scope;
wenzelm
parents:
59936
diff
changeset

1269 
* Local theory specification commands may have a 'private' or 
59990
a81dc82ecba3
clarified keyword 'qualified' in accordance to a similar keyword from Haskell (despite unrelated Binding.qualified in Isabelle/ML);
wenzelm
parents:
59967
diff
changeset

1270 
'qualified' modifier to restrict name space accesses to the local scope, 
59939
7d46aa03696e
support for 'restricted' modifier: only qualified accesses outside the local scope;
wenzelm
parents:
59936
diff
changeset

1271 
as provided by some "context begin ... end" block. For example: 
59926  1272 

1273 
context 

1274 
begin 

1275 

1276 
private definition ... 

1277 
private lemma ... 

1278 

59990
a81dc82ecba3
clarified keyword 'qualified' in accordance to a similar keyword from Haskell (despite unrelated Binding.qualified in Isabelle/ML);
wenzelm
parents:
59967
diff
changeset

1279 
qualified definition ... 
a81dc82ecba3
clarified keyword 'qualified' in accordance to a similar keyword from Haskell (despite unrelated Binding.qualified in Isabelle/ML);
wenzelm
parents:
59967
diff
changeset

1280 
qualified lemma ... 
a81dc82ecba3
clarified keyword 'qualified' in accordance to a similar keyword from Haskell (despite unrelated Binding.qualified in Isabelle/ML);
wenzelm
parents:
59967
diff
changeset

1281 

59926  1282 
lemma ... 
1283 
theorem ... 

1284 

1285 
end 

1286 

59901  1287 
* Command 'experiment' opens an anonymous locale context with private 
1288 
naming policy. 

1289 

59951  1290 
* Command 'notepad' requires proper nesting of begin/end and its proof 
1291 
structure in the body: 'oops' is no longer supported here. Minor 

1292 
INCOMPATIBILITY, use 'sorry' instead. 

1293 

1294 
* Command 'named_theorems' declares a dynamic fact within the context, 

1295 
together with an attribute to maintain the content incrementally. This 

1296 
supersedes functor Named_Thms in Isabelle/ML, but with a subtle change 

1297 
of semantics due to external visual order vs. internal reverse order. 

1298 

1299 
* 'find_theorems': search patterns which are abstractions are 

1300 
schematically expanded before search. Search results match the naive 

1301 
expectation more closely, particularly wrt. abbreviations. 

1302 
INCOMPATIBILITY. 

59648  1303 

59569  1304 
* Commands 'method_setup' and 'attribute_setup' now work within a local 
1305 
theory context. 

57941
57200bdc2aa7
localized command 'method_setup' and 'attribute_setup';
wenzelm
parents:
57882
diff
changeset

1306 

58928
23d0ffd48006
plain value Keywords.keywords, which might be used outside theory for bootstrap purposes;
wenzelm
parents:
58872
diff
changeset

1307 
* Outer syntax commands are managed authentically within the theory 
59569  1308 
context, without implicit global state. Potential for accidental 
58928
23d0ffd48006
plain value Keywords.keywords, which might be used outside theory for bootstrap purposes;
wenzelm
parents:
58872
diff
changeset

1309 
INCOMPATIBILITY, make sure that required theories are really imported. 
23d0ffd48006
plain value Keywords.keywords, which might be used outside theory for bootstrap purposes;
wenzelm
parents:
58872
diff
changeset

1310 

60115  1311 
* Historical commandline terminator ";" is no longer accepted (and 
1312 
already used differently in Isar). Minor INCOMPATIBILITY, use "isabelle 

1313 
update_semicolons" to remove obsolete semicolons from old theory 

1314 
sources. 

1315 

59951  1316 
* Structural composition of proof methods (meth1; meth2) in Isar 
1317 
corresponds to (tac1 THEN_ALL_NEW tac2) in ML. 

59105  1318 

60119
54bea620e54f
added Eisbach, using version 3752768caa17 of its Bitbucket repository;
wenzelm
parents:
60115
diff
changeset

1319 
* The Eisbach proof method language allows to define new proof methods 
54bea620e54f
added Eisbach, using version 3752768caa17 of its Bitbucket repository;
wenzelm
parents:
60115
diff
changeset

1320 
by combining existing ones with their usual syntax. The "match" proof 
54bea620e54f
added Eisbach, using version 3752768caa17 of its Bitbucket repository;
wenzelm
parents:
60115
diff
changeset

1321 
method provides basic fact/term matching in addition to 
54bea620e54f
added Eisbach, using version 3752768caa17 of its Bitbucket repository;
wenzelm
parents:
60115
diff
changeset

1322 
premise/conclusion matching through Subgoal.focus, and binds fact names 
60288
d7f636331176
added Eisbach manual, using version 8845c4cb28b6 of its Bitbucket repository;
wenzelm
parents:
60273
diff
changeset

1323 
from matches as well as term patterns within matches. The Isabelle 
d7f636331176
added Eisbach manual, using version 8845c4cb28b6 of its Bitbucket repository;
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1324 
documentation provides an entry "eisbach" for the Eisbach User Manual. 
d7f636331176
added Eisbach manual, using version 8845c4cb28b6 of its Bitbucket repository;
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1325 
Sources and various examples are in ~~/src/HOL/Eisbach/. 
60119
54bea620e54f
added Eisbach, using version 3752768caa17 of its Bitbucket repository;
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diff
changeset

1326 

57941
57200bdc2aa7
localized command 'method_setup' and 'attribute_setup';
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changeset

1327 

58524  1328 
*** Prover IDE  Isabelle/Scala/jEdit *** 
1329 

59569  1330 
* Improved folding mode "isabelle" based on Isar syntax. Alternatively, 
1331 
the "sidekick" mode may be used for document structure. 

1332 

1333 
* Extended bracket matching based on Isar language structure. System 

1334 
option jedit_structure_limit determines maximum number of lines to scan 

1335 
in the buffer. 

58758  1336 

58540  1337 
* Support for BibTeX files: context menu, contextsensitive token 
1338 
marker, SideKick parser. 

58524  1339 

58551  1340 
* Document antiquotation @{cite} provides formal markup, which is 
60265  1341 
interpreted semiformally based on .bib files that happen to be open in 
1342 
the editor (hyperlinks, completion etc.). 

58551  1343 

58785  1344 
* Less waste of vertical space via negative line spacing (see Global 
1345 
Options / Text Area). 

1346 

60089
8bd5999133d4
let the system choose Graph_Display.display_graph_old: thm_deps needs tree hierarchy, code_deps needs cycles (!?);
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1347 
* Improved graphview panel with optional output of PNG or PDF, for 
60273
83de10e27007
use display_graph_old for locale_deps, to show a bit more than nothing for cyclic graphs;
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changeset

1348 
display of 'thy_deps', 'class_deps' etc. 
60009  1349 

60115  1350 
* The commands 'thy_deps' and 'class_deps' allow optional bounds to 
1351 
restrict the visualized hierarchy. 

60093  1352 

60072  1353 
* Improved scheduling for asynchronous print commands (e.g. provers 
1354 
managed by the Sledgehammer panel) wrt. ongoing document processing. 

1355 

58524  1356 

59951  1357 
*** Document preparation *** 
1358 

1359 
* Document markup commands 'chapter', 'section', 'subsection', 

1360 
'subsubsection', 'text', 'txt', 'text_raw' work uniformly in any 

1361 
context, even before the initial 'theory' command. Obsolete proof 

1362 
commands 'sect', 'subsect', 'subsubsect', 'txt_raw' have been 

1363 
discontinued, use 'section', 'subsection', 'subsubsection', 'text_raw' 

1364 
instead. The old 'header' command is still retained for some time, but 

1365 
should be replaced by 'chapter', 'section' etc. (using "isabelle 

1366 
update_header"). Minor INCOMPATIBILITY. 

1367 

60009  1368 
* Official support for "tt" style variants, via \isatt{...} or 
1369 
\begin{isabellett}...\end{isabellett}. The somewhat fragile \verb or 

1370 
verbatim environment of LaTeX is no longer used. This allows @{ML} etc. 

1371 
as argument to other macros (such as footnotes). 

1372 

1373 
* Document antiquotation @{verbatim} prints ASCII text literally in "tt" 

1374 
style. 

1375 

1376 
* Discontinued obsolete option "document_graph": session_graph.pdf is 

1377 
produced unconditionally for HTML browser_info and PDFLaTeX document. 

1378 

59951  1379 
* Diagnostic commands and document markup commands within a proof do not 
1380 
affect the command tag for output. Thus commands like 'thm' are subject 

1381 
to proof document structure, and no longer "stick out" accidentally. 

1382 
Commands 'text' and 'txt' merely differ in the LaTeX style, not their 

1383 
tags. Potential INCOMPATIBILITY in exotic situations. 

1384 

1385 
* System option "pretty_margin" is superseded by "thy_output_margin", 

1386 
which is also accessible via document antiquotation option "margin". 

1387 
Only the margin for document output may be changed, but not the global 

1388 
pretty printing: that is 76 for plain console output, and adapted 

1389 
dynamically in GUI frontends. Implementations of document 

1390 
antiquotations need to observe the margin explicitly according to 

1391 
Thy_Output.string_of_margin. Minor INCOMPATIBILITY. 

1392 

60299
5ae2a2e74c93
clarified NEWS: document_files are officially required since Isabelle2014, but the absence was tolerated as legacy feature;
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parents:
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diff
changeset

1393 
* Specification of 'document_files' in the session ROOT file is 
5ae2a2e74c93
clarified NEWS: document_files are officially required since Isabelle2014, but the absence was tolerated as legacy feature;
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parents:
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diff
changeset

1394 
mandatory for document preparation. The legacy mode with implicit 
5ae2a2e74c93
clarified NEWS: document_files are officially required since Isabelle2014, but the absence was tolerated as legacy feature;
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parents:
60288
diff
changeset

1395 
copying of the document/ directory is no longer supported. Minor 
5ae2a2e74c93
clarified NEWS: document_files are officially required since Isabelle2014, but the absence was tolerated as legacy feature;
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parents:
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diff
changeset

1396 
INCOMPATIBILITY. 
5ae2a2e74c93
clarified NEWS: document_files are officially required since Isabelle2014, but the absence was tolerated as legacy feature;
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parents:
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diff
changeset

1397 

59951  1398 

58202 