author  wenzelm 
Sun, 18 Sep 2011 14:48:25 +0200  
changeset 44968  52744e144432 
parent 44967  b94c1614e7d5 
child 44973  dfe923d5308d 
permissions  rwrr 
5363  1 
Isabelle NEWS  history userrelevant changes 
2 
============================================== 

2553  3 

44801  4 
New in Isabelle20111 (October 2011) 
5 
 

41651  6 

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*** General *** 
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44760  9 
* Improved Isabelle/jEdit Prover IDE (PIDE), which can be invoked as 
44968  10 
"isabelle jedit" or "ISABELLE_HOME/Isabelle" on the command line. 
44760  11 

44777  12 
 Management of multiple theory files directly from the editor 
44760  13 
buffer store  bypassing the filesystem (no requirement to save 
14 
files for checking). 

15 

44777  16 
 Markup of formal entities within the text buffer, with semantic 
44760  17 
highlighting, tooltips and hyperlinks to jump to defining source 
18 
positions. 

19 

44777  20 
 Improved text rendering, with sub/superscripts in the source 
21 
buffer (including support for copy/paste wrt. output panel, HTML 

22 
theory output and other nonIsabelle text boxes). 

23 

24 
 Refined scheduling of proof checking and printing of results, 

44760  25 
based on interactive editor view. (Note: jEdit folding and 
26 
narrowing allows to restrict buffer perspectives explicitly.) 

27 

44777  28 
 Reduced CPU performance requirements, usable on machines with few 
44760  29 
cores. 
30 

44777  31 
 Reduced memory requirements due to pruning of unused document 
44760  32 
versions (garbage collection). 
33 

34 
See also ~~/src/Tools/jEdit/README.html for further information, 

35 
including some remaining limitations. 

36 

44800  37 
* Theory loader: source files are exclusively located via the master 
38 
directory of each theory node (where the .thy file itself resides). 

39 
The global load path (such as src/HOL/Library) has been discontinued. 

40 
Note that the path element ~~ may be used to reference theories in the 

41 
Isabelle home folder  for instance, "~~/src/HOL/Library/FuncSet". 

42 
INCOMPATIBILITY. 

43 

41955
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* Theory loader: source files are identified by content via SHA1 
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digests. Discontinued former path/modtime identification and optional 
703ea96b13c6
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ISABELLE_FILE_IDENT plugin scripts. 
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47 

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* Parallelization of nested Isar proofs is subject to 
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Goal.parallel_proofs_threshold (default 100). See also isabelle 
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usedir option Q. 
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42669
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more conventional naming scheme: names_long, names_short, names_unique;
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* Name space: former unsynchronized references are now proper 
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configuration options, with more conventional names: 
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more conventional naming scheme: names_long, names_short, names_unique;
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long_names ~> names_long 
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short_names ~> names_short 
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unique_names ~> names_unique 
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58 

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Minor INCOMPATIBILITY, need to declare options in context like this: 
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declare [[names_unique = false]] 
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Name_Space: proper configuration options long_names, short_names, unique_names instead of former unsynchronized references;
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62 

42502  63 
* Literal facts `prop` may contain dummy patterns, e.g. `_ = _`. Note 
64 
that the result needs to be unique, which means fact specifications 

65 
may have to be refined after enriching a proof context. 

66 

44800  67 
* Attribute "case_names" has been refined: the assumptions in each case 
68 
can be named now by following the case name with [name1 name2 ...]. 

69 

44968  70 
* Isabelle/Isar reference manual has been updated and extended: 
71 
 "Synopsis" provides a catalog of main Isar language concepts. 

72 
 Formal references in syntax diagrams, via @{rail} antiquotation. 

73 
 Updated material from classic "ref" manual, notably about 

74 
"Classical Reasoner". 

42633  75 

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76 

41727
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available_provers ~> supported_provers (for clarity)
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*** HOL *** 
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78 

44968  79 
* Class bot and top require underlying partial order rather than 
44800  80 
preorder: uniqueness of bot and top is guaranteed. INCOMPATIBILITY. 
43815
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81 

43940  82 
* Class complete_lattice: generalized a couple of lemmas from sets; 
44800  83 
generalized theorems INF_cong and SUP_cong. New type classes for 
84 
complete boolean algebras and complete linear orders. Lemmas 

85 
Inf_less_iff, less_Sup_iff, INF_less_iff, less_SUP_iff now reside in 

86 
class complete_linorder. 

87 

88 
Changed proposition of lemmas Inf_bool_def, Sup_bool_def, Inf_fun_def, 

89 
Sup_fun_def, Inf_apply, Sup_apply. 

90 

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Redundant lemmas Inf_singleton, Sup_singleton, Inf_binary, Sup_binary, 
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92 
INF_eq, SUP_eq, INF_UNIV_range, SUP_UNIV_range, Int_eq_Inter, 
44937
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93 
INTER_eq_Inter_image, Inter_def, INT_eq, Un_eq_Union, INF_subset, 
44800  94 
UNION_eq_Union_image, Union_def, UN_singleton, UN_eq have been 
95 
discarded. 

96 

97 
More consistent and comprehensive names: 

98 

43872  99 
INFI_def ~> INF_def 
100 
SUPR_def ~> SUP_def 

44103
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INF_leI ~> INF_lower 
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102 
INF_leI2 ~> INF_lower2 
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103 
le_INFI ~> INF_greatest 
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104 
le_SUPI ~> SUP_upper 
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le_SUPI2 ~> SUP_upper2 
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106 
SUP_leI ~> SUP_least 
43873  107 
INFI_bool_eq ~> INF_bool_eq 
108 
SUPR_bool_eq ~> SUP_bool_eq 

109 
INFI_apply ~> INF_apply 

110 
SUPR_apply ~> SUP_apply 

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INTER_def ~> INTER_eq 
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112 
UNION_def ~> UNION_eq 
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113 

43865
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further generalization from sets to complete lattices
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INCOMPATIBILITY. 
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115 

44845  116 
* Added syntactic classes "inf" and "sup" for the respective 
117 
constants. INCOMPATIBILITY: Changes in the argument order of the 

118 
(mostly internal) locale predicates for some derived classes. 

119 

44800  120 
* Theorem collections ball_simps and bex_simps do not contain theorems 
121 
referring to UNION any longer; these have been moved to collection 

122 
UN_ball_bex_simps. INCOMPATIBILITY. 

123 

124 
* Theory Archimedean_Field: floor now is defined as parameter of a 

125 
separate type class floor_ceiling. 

126 

127 
* Theory Finite_Set: more coherent development of fold_set locales: 

42874  128 

129 
locale fun_left_comm ~> locale comp_fun_commute 

130 
locale fun_left_comm_idem ~> locale comp_fun_idem 

44800  131 

132 
Both use pointfree characterization; interpretation proofs may need 

133 
adjustment. INCOMPATIBILITY. 

42874  134 

44800  135 
* Theory Limits: Type "'a net" has been renamed to "'a filter", in 
44081
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accordance with standard mathematical terminology. INCOMPATIBILITY. 
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137 

44800  138 
* Theory Complex_Main: The locale interpretations for the 
139 
bounded_linear and bounded_bilinear locales have been removed, in 

140 
order to reduce the number of duplicate lemmas. Users must use the 

141 
original names for distributivity theorems, potential INCOMPATIBILITY. 

44282
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142 

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143 
divide.add ~> add_divide_distrib 
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divide.diff ~> diff_divide_distrib 
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divide.setsum ~> setsum_divide_distrib 
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mult.add_right ~> right_distrib 
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mult.diff_right ~> right_diff_distrib 
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mult_right.setsum ~> setsum_right_distrib 
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mult_left.diff ~> left_diff_distrib 
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44800  151 
* Theory Complex_Main: Several redundant theorems have been removed or 
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replaced by more general versions. INCOMPATIBILITY. 
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153 

44822
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real_of_int_real_of_nat ~> real_of_int_of_nat_eq 
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real_0_le_divide_iff ~> zero_le_divide_iff 
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realpow_two_disj ~> power2_eq_iff 
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real_squared_diff_one_factored ~> square_diff_one_factored 
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158 
realpow_two_diff ~> square_diff_square_factored 
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159 
reals_complete2 ~> complete_real 
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real_sum_squared_expand ~> power2_sum 
44522
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161 
exp_ln_eq ~> ln_unique 
44711  162 
expi_add ~> exp_add 
163 
expi_zero ~> exp_zero 

44522
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164 
lemma_DERIV_subst ~> DERIV_cong 
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LIMSEQ_Zfun_iff ~> tendsto_Zfun_iff 
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LIMSEQ_const ~> tendsto_const 
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LIMSEQ_norm ~> tendsto_norm 
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LIMSEQ_add ~> tendsto_add 
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LIMSEQ_minus ~> tendsto_minus 
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LIMSEQ_minus_cancel ~> tendsto_minus_cancel 
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LIMSEQ_diff ~> tendsto_diff 
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172 
bounded_linear.LIMSEQ ~> bounded_linear.tendsto 
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bounded_bilinear.LIMSEQ ~> bounded_bilinear.tendsto 
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LIMSEQ_mult ~> tendsto_mult 
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175 
LIMSEQ_inverse ~> tendsto_inverse 
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176 
LIMSEQ_divide ~> tendsto_divide 
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LIMSEQ_pow ~> tendsto_power 
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178 
LIMSEQ_setsum ~> tendsto_setsum 
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179 
LIMSEQ_setprod ~> tendsto_setprod 
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LIMSEQ_norm_zero ~> tendsto_norm_zero_iff 
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181 
LIMSEQ_rabs_zero ~> tendsto_rabs_zero_iff 
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182 
LIMSEQ_imp_rabs ~> tendsto_rabs 
44710  183 
LIMSEQ_add_minus ~> tendsto_add [OF _ tendsto_minus] 
184 
LIMSEQ_add_const ~> tendsto_add [OF _ tendsto_const] 

185 
LIMSEQ_diff_const ~> tendsto_diff [OF _ tendsto_const] 

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LIMSEQ_Complex ~> tendsto_Complex 
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187 
LIM_ident ~> tendsto_ident_at 
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188 
LIM_const ~> tendsto_const 
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LIM_add ~> tendsto_add 
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LIM_add_zero ~> tendsto_add_zero 
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LIM_minus ~> tendsto_minus 
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192 
LIM_diff ~> tendsto_diff 
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193 
LIM_norm ~> tendsto_norm 
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194 
LIM_norm_zero ~> tendsto_norm_zero 
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LIM_norm_zero_cancel ~> tendsto_norm_zero_cancel 
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196 
LIM_norm_zero_iff ~> tendsto_norm_zero_iff 
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197 
LIM_rabs ~> tendsto_rabs 
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LIM_rabs_zero ~> tendsto_rabs_zero 
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LIM_rabs_zero_cancel ~> tendsto_rabs_zero_cancel 
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LIM_rabs_zero_iff ~> tendsto_rabs_zero_iff 
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201 
LIM_compose ~> tendsto_compose 
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202 
LIM_mult ~> tendsto_mult 
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203 
LIM_scaleR ~> tendsto_scaleR 
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204 
LIM_of_real ~> tendsto_of_real 
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205 
LIM_power ~> tendsto_power 
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206 
LIM_inverse ~> tendsto_inverse 
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huffman
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44538
diff
changeset

207 
LIM_sgn ~> tendsto_sgn 
e6f291cb5810
discontinue many legacy theorems about LIM and LIMSEQ, in favor of tendsto theorems
huffman
parents:
44538
diff
changeset

208 
isCont_LIM_compose ~> isCont_tendsto_compose 
e6f291cb5810
discontinue many legacy theorems about LIM and LIMSEQ, in favor of tendsto theorems
huffman
parents:
44538
diff
changeset

209 
bounded_linear.LIM ~> bounded_linear.tendsto 
e6f291cb5810
discontinue many legacy theorems about LIM and LIMSEQ, in favor of tendsto theorems
huffman
parents:
44538
diff
changeset

210 
bounded_linear.LIM_zero ~> bounded_linear.tendsto_zero 
e6f291cb5810
discontinue many legacy theorems about LIM and LIMSEQ, in favor of tendsto theorems
huffman
parents:
44538
diff
changeset

211 
bounded_bilinear.LIM ~> bounded_bilinear.tendsto 
e6f291cb5810
discontinue many legacy theorems about LIM and LIMSEQ, in favor of tendsto theorems
huffman
parents:
44538
diff
changeset

212 
bounded_bilinear.LIM_prod_zero ~> bounded_bilinear.tendsto_zero 
e6f291cb5810
discontinue many legacy theorems about LIM and LIMSEQ, in favor of tendsto theorems
huffman
parents:
44538
diff
changeset

213 
bounded_bilinear.LIM_left_zero ~> bounded_bilinear.tendsto_left_zero 
e6f291cb5810
discontinue many legacy theorems about LIM and LIMSEQ, in favor of tendsto theorems
huffman
parents:
44538
diff
changeset

214 
bounded_bilinear.LIM_right_zero ~> bounded_bilinear.tendsto_right_zero 
e6f291cb5810
discontinue many legacy theorems about LIM and LIMSEQ, in favor of tendsto theorems
huffman
parents:
44538
diff
changeset

215 
LIM_inverse_fun ~> tendsto_inverse [OF tendsto_ident_at] 
44522
2f7e9d890efe
rename subset_{interior,closure} to {interior,closure}_mono;
huffman
parents:
44322
diff
changeset

216 

44967  217 
* Theory Complex_Main: The definition of infinite series was 
218 
generalized. Now it is defined on the type class {topological_space, 

219 
comm_monoid_add}. Hence it is useable also for extended real numbers. 

42484  220 

44908  221 
* Theory Complex_Main: The complex exponential function "expi" is now 
222 
a typeconstrained abbreviation for "exp :: complex => complex"; thus 

223 
several polymorphic lemmas about "exp" are now applicable to "expi". 

224 

44968  225 
* Code generation: 
226 

227 
 Theory Library/Code_Char_ord provides native ordering of 

228 
characters in the target language. 

229 

230 
 Commands code_module and code_library are legacy, use export_code 

231 
instead. 

232 

233 
 Method "evaluation" is legacy, use method "eval" instead. 

234 

235 
 Legacy evaluator "SML" is deactivated by default. May be 

236 
reactivated by the following theory command: 

237 

238 
setup {* Value.add_evaluator ("SML", Codegen.eval_term) *} 

239 

240 
* Declare ext [intro] by default. Rare INCOMPATIBILITY. 

241 

242 
* Method "fastsimp" has been renamed to "fastforce", but "fastsimp" is 

243 
still available as a legacy feature for some time. 

244 

245 
* Nitpick: 

246 
 Added "need" and "total_consts" options. 

247 
 Reintroduced "show_skolems" option by popular demand. 

248 
 Renamed attribute: nitpick_def ~> nitpick_unfold. 

249 
INCOMPATIBILITY. 

250 

251 
* Sledgehammer: 

252 
 Use quasisound (and efficient) translations by default. 

253 
 Added support for the following provers: EToFoF, LEOII, 

254 
Satallax, SNARK, Waldmeister, and Z3 with TPTP syntax. 

255 
 Automatically preplay and minimize proofs before showing them if 

256 
this can be done within reasonable time. 

257 
 sledgehammer available_provers ~> sledgehammer supported_provers. 

258 
INCOMPATIBILITY. 

259 
 Added "preplay_timeout", "slicing", "type_enc", "sound", 

260 
"max_mono_iters", and "max_new_mono_instances" options. 

261 
 Removed "explicit_apply" and "full_types" options as well as "Full 

262 
Types" Proof General menu item. INCOMPATIBILITY. 

263 

264 
* Metis: 

265 
 Removed "metisF"  use "metis" instead. INCOMPATIBILITY. 

266 
 Obsoleted "metisFT"  use "metis (full_types)" instead. 

267 
INCOMPATIBILITY. 

268 

269 
* Command 'try': 

270 
 Renamed 'try_methods' and added "simp:", "intro:", "dest:", and 

271 
"elim:" options. INCOMPATIBILITY. 

272 
 Introduced 'try' that not only runs 'try_methods' but also 

273 
'solve_direct', 'sledgehammer', 'quickcheck', and 'nitpick'. 

274 

275 
* Quickcheck: 

276 
 Added "eval" option to evaluate terms for the found counterexample 

277 
(currently only supported by the default (exhaustive) tester). 

278 
 Added postprocessing of terms to obtain readable counterexamples 

279 
(currently only supported by the default (exhaustive) tester). 

280 
 New counterexample generator quickcheck[narrowing] enables 

281 
narrowingbased testing. Requires the Glasgow Haskell compiler 

282 
with its installation location defined in the Isabelle settings 

283 
environment as ISABELLE_GHC. 

284 
 Removed quickcheck tester "SML" based on the SML code generator 

285 
(formly in HOL/Library). 

286 

287 
* Function package: discontinued option "tailrec". INCOMPATIBILITY, 

288 
use 'partial_function' instead. 

289 

290 
* Theory Library/Extended_Reals replaces now the positive extended 

291 
reals found in probability theory. This file is extended by 

292 
Multivariate_Analysis/Extended_Real_Limits. 

293 

294 
* Old 'recdef' package has been moved to theory Library/Old_Recdef, 

295 
from where it must be imported explicitly. INCOMPATIBILITY. 

296 

297 
* Theory Library/Wfrec: wellfounded recursion combinator "wfrec" has 

298 
been moved here. INCOMPATIBILITY. 

299 

300 
* Theory Library/Saturated provides type of numbers with saturated 

301 
arithmetic. 

302 

303 
* Theory Library/Product_Lattice defines a pointwise ordering for the 

304 
product type 'a * 'b, and provides instance proofs for various order 

305 
and lattice type classes. 

306 

307 
* Theory Library/Countable now provides the "countable_datatype" proof 

308 
method for proving "countable" class instances for datatypes. 

309 

310 
* Theory Library/Cset_Monad allows do notation for computable sets 

311 
(cset) via the generic monad adhoc overloading facility. 

312 

313 
* Library: Theories of common data structures are split into theories 

314 
for implementation, an invariantensuring type, and connection to an 

315 
abstract type. INCOMPATIBILITY. 

316 

317 
 RBT is split into RBT and RBT_Mapping. 

318 
 AssocList is split and renamed into AList and AList_Mapping. 

319 
 DList is split into DList_Impl, DList, and DList_Cset. 

320 
 Cset is split into Cset and List_Cset. 

321 

322 
* Theory Library/Nat_Infinity has been renamed to 

323 
Library/Extended_Nat, with name changes of the following types and 

324 
constants: 

325 

326 
type inat ~> type enat 

327 
Fin ~> enat 

328 
Infty ~> infinity (overloaded) 

329 
iSuc ~> eSuc 

330 
the_Fin ~> the_enat 

331 

332 
Every theorem name containing "inat", "Fin", "Infty", or "iSuc" has 

333 
been renamed accordingly. INCOMPATIBILITY. 

334 

335 
* Session Multivariate_Analysis: The euclidean_space type class now 

336 
fixes a constant "Basis :: 'a set" consisting of the standard 

337 
orthonormal basis for the type. Users now have the option of 

338 
quantifying over this set instead of using the "basis" function, e.g. 

339 
"ALL x:Basis. P x" vs "ALL i<DIM('a). P (basis i)". 

340 

341 
* Session Multivariate_Analysis: Type "('a, 'b) cart" has been renamed 

342 
to "('a, 'b) vec" (the syntax "'a ^ 'b" remains unaffected). Constants 

343 
"Cart_nth" and "Cart_lambda" have been respectively renamed to 

344 
"vec_nth" and "vec_lambda"; theorems mentioning those names have 

345 
changed to match. Definition theorems for overloaded constants now use 

346 
the standard "foo_vec_def" naming scheme. A few other theorems have 

347 
been renamed as follows (INCOMPATIBILITY): 

348 

349 
Cart_eq ~> vec_eq_iff 

350 
dist_nth_le_cart ~> dist_vec_nth_le 

351 
tendsto_vector ~> vec_tendstoI 

352 
Cauchy_vector ~> vec_CauchyI 

353 

354 
* Session Multivariate_Analysis: Several duplicate theorems have been 

355 
removed, and other theorems have been renamed or replaced with more 

356 
general versions. INCOMPATIBILITY. 

357 

358 
finite_choice ~> finite_set_choice 

359 
eventually_conjI ~> eventually_conj 

360 
eventually_and ~> eventually_conj_iff 

361 
eventually_false ~> eventually_False 

362 
setsum_norm ~> norm_setsum 

363 
Lim_sequentially ~> LIMSEQ_def 

364 
Lim_ident_at ~> LIM_ident 

365 
Lim_const ~> tendsto_const 

366 
Lim_cmul ~> tendsto_scaleR [OF tendsto_const] 

367 
Lim_neg ~> tendsto_minus 

368 
Lim_add ~> tendsto_add 

369 
Lim_sub ~> tendsto_diff 

370 
Lim_mul ~> tendsto_scaleR 

371 
Lim_vmul ~> tendsto_scaleR [OF _ tendsto_const] 

372 
Lim_null_norm ~> tendsto_norm_zero_iff [symmetric] 

373 
Lim_linear ~> bounded_linear.tendsto 

374 
Lim_component ~> tendsto_euclidean_component 

375 
Lim_component_cart ~> tendsto_vec_nth 

376 
Lim_inner ~> tendsto_inner [OF tendsto_const] 

377 
dot_lsum ~> inner_setsum_left 

378 
dot_rsum ~> inner_setsum_right 

379 
continuous_cmul ~> continuous_scaleR [OF continuous_const] 

380 
continuous_neg ~> continuous_minus 

381 
continuous_sub ~> continuous_diff 

382 
continuous_vmul ~> continuous_scaleR [OF _ continuous_const] 

383 
continuous_mul ~> continuous_scaleR 

384 
continuous_inv ~> continuous_inverse 

385 
continuous_at_within_inv ~> continuous_at_within_inverse 

386 
continuous_at_inv ~> continuous_at_inverse 

387 
continuous_at_norm ~> continuous_norm [OF continuous_at_id] 

388 
continuous_at_infnorm ~> continuous_infnorm [OF continuous_at_id] 

389 
continuous_at_component ~> continuous_component [OF continuous_at_id] 

390 
continuous_on_neg ~> continuous_on_minus 

391 
continuous_on_sub ~> continuous_on_diff 

392 
continuous_on_cmul ~> continuous_on_scaleR [OF continuous_on_const] 

393 
continuous_on_vmul ~> continuous_on_scaleR [OF _ continuous_on_const] 

394 
continuous_on_mul ~> continuous_on_scaleR 

395 
continuous_on_mul_real ~> continuous_on_mult 

396 
continuous_on_inner ~> continuous_on_inner [OF continuous_on_const] 

397 
continuous_on_norm ~> continuous_on_norm [OF continuous_on_id] 

398 
continuous_on_inverse ~> continuous_on_inv 

399 
uniformly_continuous_on_neg ~> uniformly_continuous_on_minus 

400 
uniformly_continuous_on_sub ~> uniformly_continuous_on_diff 

401 
subset_interior ~> interior_mono 

402 
subset_closure ~> closure_mono 

403 
closure_univ ~> closure_UNIV 

404 
real_arch_lt ~> reals_Archimedean2 

405 
real_arch ~> reals_Archimedean3 

406 
real_abs_norm ~> abs_norm_cancel 

407 
real_abs_sub_norm ~> norm_triangle_ineq3 

408 
norm_cauchy_schwarz_abs ~> Cauchy_Schwarz_ineq2 

409 

410 
* Session HOLProbability: 

411 
 Caratheodory's extension lemma is now proved for ring_of_sets. 

412 
 Infinite products of probability measures are now available. 

413 
 Sigma closure is independent, if the generator is independent 

414 
 Use extended reals instead of positive extended 

415 
reals. INCOMPATIBILITY. 

416 

44903  417 

41685
e29ea98a76ce
term style 'isub': adhoc subscripting of variables that end with digits (x1, x23, ...)
krauss
parents:
41667
diff
changeset

418 
*** Document preparation *** 
e29ea98a76ce
term style 'isub': adhoc subscripting of variables that end with digits (x1, x23, ...)
krauss
parents:
41667
diff
changeset

419 

44800  420 
* Antiquotation @{rail} layouts railroad syntax diagrams, see also 
421 
isarref manual, both for description and actual application of the 

422 
same. 

423 

424 
* Antiquotation @{value} evaluates the given term and presents its 

425 
result. 

426 

427 
* Antiquotations: term style "isub" provides adhoc conversion of 

428 
variables x1, y23 into subscripted form x\<^isub>1, 

429 
y\<^isub>2\<^isub>3. 

41651  430 

42484  431 
* Predefined LaTeX macros for Isabelle symbols \<bind> and \<then> 
432 
(e.g. see ~~/src/HOL/Library/Monad_Syntax.thy). 

433 

44967  434 
* Localized \isabellestyle switch can be used within blocks or groups 
435 
like this: 

436 

437 
\isabellestyle{it} %preferred default 

438 
{\isabellestylett @{text "typewriter stuff"}} 

439 

440 
* Discontinued special treatment of hard tabulators. Implicit 

441 
tabwidth is now defined as 1. Potential INCOMPATIBILITY for visual 

442 
layouts. 

44800  443 

41651  444 

41944
b97091ae583a
Path.print is the official way to show filesystem paths to users  note that Path.implode often indicates violation of the abstract datatype;
wenzelm
parents:
41886
diff
changeset

445 
*** ML *** 
b97091ae583a
Path.print is the official way to show filesystem paths to users  note that Path.implode often indicates violation of the abstract datatype;
wenzelm
parents:
41886
diff
changeset

446 

43731
70072780e095
inner syntax supports inlined YXML according to Term_XML (particularly useful for producing text under program control);
wenzelm
parents:
43709
diff
changeset

447 
* The inner syntax of sort/type/term/prop supports inlined YXML 
70072780e095
inner syntax supports inlined YXML according to Term_XML (particularly useful for producing text under program control);
wenzelm
parents:
43709
diff
changeset

448 
representations within quoted string tokens. By encoding logical 
70072780e095
inner syntax supports inlined YXML according to Term_XML (particularly useful for producing text under program control);
wenzelm
parents:
43709
diff
changeset

449 
entities via Term_XML (in ML or Scala) concrete syntax can be 
70072780e095
inner syntax supports inlined YXML according to Term_XML (particularly useful for producing text under program control);
wenzelm
parents:
43709
diff
changeset

450 
bypassed, which is particularly useful for producing bits of text 
70072780e095
inner syntax supports inlined YXML according to Term_XML (particularly useful for producing text under program control);
wenzelm
parents:
43709
diff
changeset

451 
under external program control. 
70072780e095
inner syntax supports inlined YXML according to Term_XML (particularly useful for producing text under program control);
wenzelm
parents:
43709
diff
changeset

452 

43565  453 
* Antiquotations for ML and document preparation are managed as theory 
454 
data, which requires explicit setup. 

455 

42897  456 
* Isabelle_Process.is_active allows tools to check if the official 
457 
process wrapper is running (Isabelle/Scala/jEdit) or the old TTY loop 

458 
(better known as Proof General). 

459 

42360  460 
* Structure Proof_Context follows standard naming scheme. Old 
461 
ProofContext is still available for some time as legacy alias. 

462 

42015
7b6e72a1b7dd
NEWS: structure Timing provides various operations for timing;
wenzelm
parents:
41999
diff
changeset

463 
* Structure Timing provides various operations for timing; supersedes 
7b6e72a1b7dd
NEWS: structure Timing provides various operations for timing;
wenzelm
parents:
41999
diff
changeset

464 
former start_timing/end_timing etc. 
7b6e72a1b7dd
NEWS: structure Timing provides various operations for timing;
wenzelm
parents:
41999
diff
changeset

465 

41944
b97091ae583a
Path.print is the official way to show filesystem paths to users  note that Path.implode often indicates violation of the abstract datatype;
wenzelm
parents:
41886
diff
changeset

466 
* Path.print is the official way to show filesystem paths to users 
b97091ae583a
Path.print is the official way to show filesystem paths to users  note that Path.implode often indicates violation of the abstract datatype;
wenzelm
parents:
41886
diff
changeset

467 
(including quotes etc.). 
b97091ae583a
Path.print is the official way to show filesystem paths to users  note that Path.implode often indicates violation of the abstract datatype;
wenzelm
parents:
41886
diff
changeset

468 

42056
160a630b2c7e
enable inner syntax source positions by default (controlled via configuration option);
wenzelm
parents:
42015
diff
changeset

469 
* Inner syntax: identifiers in parse trees of generic categories 
160a630b2c7e
enable inner syntax source positions by default (controlled via configuration option);
wenzelm
parents:
42015
diff
changeset

470 
"logic", "aprop", "idt" etc. carry position information (disguised as 
160a630b2c7e
enable inner syntax source positions by default (controlled via configuration option);
wenzelm
parents:
42015
diff
changeset

471 
type constraints). Occasional INCOMPATIBILITY with noncompliant 
42057
3eba96ff3d3e
more selective strip_positions in case patterns  reactivate translations based on "case _ of _" in HOL and special patterns in HOLCF;
wenzelm
parents:
42056
diff
changeset

472 
translations that choke on unexpected type constraints. Positions can 
3eba96ff3d3e
more selective strip_positions in case patterns  reactivate translations based on "case _ of _" in HOL and special patterns in HOLCF;
wenzelm
parents:
42056
diff
changeset

473 
be stripped in ML translations via Syntax.strip_positions / 
3eba96ff3d3e
more selective strip_positions in case patterns  reactivate translations based on "case _ of _" in HOL and special patterns in HOLCF;
wenzelm
parents:
42056
diff
changeset

474 
Syntax.strip_positions_ast, or via the syntax constant 
3eba96ff3d3e
more selective strip_positions in case patterns  reactivate translations based on "case _ of _" in HOL and special patterns in HOLCF;
wenzelm
parents:
42056
diff
changeset

475 
"_strip_positions" within parse trees. As last resort, positions can 
3eba96ff3d3e
more selective strip_positions in case patterns  reactivate translations based on "case _ of _" in HOL and special patterns in HOLCF;
wenzelm
parents:
42056
diff
changeset

476 
be disabled via the configuration option Syntax.positions, which is 
3eba96ff3d3e
more selective strip_positions in case patterns  reactivate translations based on "case _ of _" in HOL and special patterns in HOLCF;
wenzelm
parents:
42056
diff
changeset

477 
called "syntax_positions" in Isar attribute syntax. 
42056
160a630b2c7e
enable inner syntax source positions by default (controlled via configuration option);
wenzelm
parents:
42015
diff
changeset

478 

42290
b1f544c84040
discontinued special treatment of structure Lexicon;
wenzelm
parents:
42284
diff
changeset

479 
* Discontinued special status of various ML structures that contribute 
b1f544c84040
discontinued special treatment of structure Lexicon;
wenzelm
parents:
42284
diff
changeset

480 
to structure Syntax (Ast, Lexicon, Mixfix, Parser, Printer etc.): less 
b1f544c84040
discontinued special treatment of structure Lexicon;
wenzelm
parents:
42284
diff
changeset

481 
pervasive content, no inclusion in structure Syntax. INCOMPATIBILITY, 
b1f544c84040
discontinued special treatment of structure Lexicon;
wenzelm
parents:
42284
diff
changeset

482 
refer directly to Ast.Constant, Lexicon.is_identifier, 
b1f544c84040
discontinued special treatment of structure Lexicon;
wenzelm
parents:
42284
diff
changeset

483 
Syntax_Trans.mk_binder_tr etc. 
42224
578a51fae383
discontinued special treatment of structure Ast: no pervasive content, no inclusion in structure Syntax;
wenzelm
parents:
42180
diff
changeset

484 

42247
12fe41a92cd5
typed_print_translation: discontinued show_sorts argument;
wenzelm
parents:
42239
diff
changeset

485 
* Typed print translation: discontinued show_sorts argument, which is 
12fe41a92cd5
typed_print_translation: discontinued show_sorts argument;
wenzelm
parents:
42239
diff
changeset

486 
already available via context of "advanced" translation. 
12fe41a92cd5
typed_print_translation: discontinued show_sorts argument;
wenzelm
parents:
42239
diff
changeset

487 

42370  488 
* Refined PARALLEL_GOALS tactical: degrades gracefully for schematic 
489 
goal states; body tactic needs to address all subgoals uniformly. 

490 

42403
38b29c9fc742
slightly more special eq_list/eq_set, with shortcut involving pointer_eq;
wenzelm
parents:
42370
diff
changeset

491 
* Slightly more special eq_list/eq_set, with shortcut involving 
38b29c9fc742
slightly more special eq_list/eq_set, with shortcut involving pointer_eq;
wenzelm
parents:
42370
diff
changeset

492 
pointer equality (assumes that eq relation is reflexive). 
38b29c9fc742
slightly more special eq_list/eq_set, with shortcut involving pointer_eq;
wenzelm
parents:
42370
diff
changeset

493 

42793  494 
* Classical tactics use proper Proof.context instead of historic types 
495 
claset/clasimpset. Oldstyle declarations like addIs, addEs, addDs 

496 
operate directly on Proof.context. Raw type claset retains its use as 

497 
snapshot of the classical context, which can be recovered via 

498 
(put_claset HOL_cs) etc. Type clasimpset has been discontinued. 

499 
INCOMPATIBILITY, classical tactics and derived proof methods require 

500 
proper Proof.context. 

501 

44803  502 

503 
*** System *** 

504 

44968  505 
* Discontinued support for Poly/ML 5.2, which was the last version 
506 
without proper multithreading and TimeLimit implementation. 

507 

508 
* Discontinued old lib/scripts/polymlplatform, which has been 

509 
obsolete since Isabelle20092. 

510 

44967  511 
* Various optional external tools are referenced more robustly and 
512 
uniformly by explicit Isabelle settings as follows: 

513 

514 
ISABELLE_CSDP (formerly CSDP_EXE) 

515 
ISABELLE_GHC (formerly EXEC_GHC or GHC_PATH) 

516 
ISABELLE_OCAML (formerly EXEC_OCAML) 

517 
ISABELLE_SWIPL (formerly EXEC_SWIPL) 

518 
ISABELLE_YAP (formerly EXEC_YAP) 

519 

520 
Note that automated detection from the filesystem or search path has 

521 
been discontinued. INCOMPATIBILITY. 

522 

43752  523 
* Scala layer provides JVM method invocation service for static 
44800  524 
methods of type (String)String, see Invoke_Scala.method in ML. For 
525 
example: 

43752  526 

527 
Invoke_Scala.method "java.lang.System.getProperty" "java.home" 

528 

44967  529 
Together with YXML.string_of_body/parse_body and XML.Encode/Decode 
530 
this allows to pass structured values between ML and Scala. 

44800  531 

44803  532 
* The IsabelleText fonts includes some further glyphs to support the 
533 
Prover IDE. Potential INCOMPATIBILITY: users who happen to have 

534 
installed a local copy (which is normally *not* required) need to 

535 
delete or update it from ~~/lib/fonts/. 

41944
b97091ae583a
Path.print is the official way to show filesystem paths to users  note that Path.implode often indicates violation of the abstract datatype;
wenzelm
parents:
41886
diff
changeset

536 

41703
d27950860514
parallelization of nested Isar proofs is subject to Goal.parallel_proofs_threshold;
wenzelm
parents:
41685
diff
changeset

537 

41512  538 
New in Isabelle2011 (January 2011) 
539 
 

37383  540 

37536
c62aa9281101
explicit treatment of UTF8 sequences as Isabelle symbols;
wenzelm
parents:
37484
diff
changeset

541 
*** General *** 
c62aa9281101
explicit treatment of UTF8 sequences as Isabelle symbols;
wenzelm
parents:
37484
diff
changeset

542 

41573  543 
* Experimental Prover IDE based on Isabelle/Scala and jEdit (see 
41612  544 
src/Tools/jEdit). This also serves as IDE for Isabelle/ML, with 
545 
useful tooltips and hyperlinks produced from its static analysis. The 

546 
bundled component provides an executable Isabelle tool that can be run 

547 
like this: 

548 

549 
Isabelle2011/bin/isabelle jedit 

41573  550 

40948  551 
* Significantly improved Isabelle/Isar implementation manual. 
552 

41594  553 
* System settings: ISABELLE_HOME_USER now includes ISABELLE_IDENTIFIER 
41595  554 
(and thus refers to something like $HOME/.isabelle/Isabelle2011), 
41594  555 
while the default heap location within that directory lacks that extra 
556 
suffix. This isolates multiple Isabelle installations from each 

557 
other, avoiding problems with old settings in new versions. 

558 
INCOMPATIBILITY, need to copy/upgrade old user settings manually. 

559 

40947  560 
* Source files are always encoded as UTF8, instead of oldfashioned 
561 
ISOLatin1. INCOMPATIBILITY. Isabelle LaTeX documents might require 

40948  562 
the following package declarations: 
40947  563 

564 
\usepackage[utf8]{inputenc} 

565 
\usepackage{textcomp} 

566 

41440  567 
* Explicit treatment of UTF8 sequences as Isabelle symbols, such that 
37536
c62aa9281101
explicit treatment of UTF8 sequences as Isabelle symbols;
wenzelm
parents:
37484
diff
changeset

568 
a Unicode character is treated as a single symbol, not a sequence of 
c62aa9281101
explicit treatment of UTF8 sequences as Isabelle symbols;
wenzelm
parents:
37484
diff
changeset

569 
nonASCII bytes as before. Since Isabelle/ML string literals may 
c62aa9281101
explicit treatment of UTF8 sequences as Isabelle symbols;
wenzelm
parents:
37484
diff
changeset

570 
contain symbols without further backslash escapes, Unicode can now be 
c62aa9281101
explicit treatment of UTF8 sequences as Isabelle symbols;
wenzelm
parents:
37484
diff
changeset

571 
used here as well. Recall that Symbol.explode in ML provides a 
c62aa9281101
explicit treatment of UTF8 sequences as Isabelle symbols;
wenzelm
parents:
37484
diff
changeset

572 
consistent view on symbols, while raw explode (or String.explode) 
c62aa9281101
explicit treatment of UTF8 sequences as Isabelle symbols;
wenzelm
parents:
37484
diff
changeset

573 
merely give a byteoriented representation. 
c62aa9281101
explicit treatment of UTF8 sequences as Isabelle symbols;
wenzelm
parents:
37484
diff
changeset

574 

41594  575 
* Theory loader: source files are primarily located via the master 
576 
directory of each theory node (where the .thy file itself resides). 

577 
The global load path is still partially available as legacy feature. 

578 
Minor INCOMPATIBILITY due to subtle change in file lookup: use 

579 
explicit paths, relatively to the theory. 

38135
2b9bfa0b44f1
theory loading: only the master source file is lookedup in the implicit load path;
wenzelm
parents:
38110
diff
changeset

580 

37939
965537d86fcc
discontinued special treatment of ML files  no longer complete extensions on demand;
wenzelm
parents:
37868
diff
changeset

581 
* Special treatment of ML file names has been discontinued. 
965537d86fcc
discontinued special treatment of ML files  no longer complete extensions on demand;
wenzelm
parents:
37868
diff
changeset

582 
Historically, optional extensions .ML or .sml were added on demand  
965537d86fcc
discontinued special treatment of ML files  no longer complete extensions on demand;
wenzelm
parents:
37868
diff
changeset

583 
at the cost of clarity of file dependencies. Recall that Isabelle/ML 
965537d86fcc
discontinued special treatment of ML files  no longer complete extensions on demand;
wenzelm
parents:
37868
diff
changeset

584 
files exclusively use the .ML extension. Minor INCOMPATIBILTY. 
965537d86fcc
discontinued special treatment of ML files  no longer complete extensions on demand;
wenzelm
parents:
37868
diff
changeset

585 

38980
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

586 
* Various options that affect pretty printing etc. are now properly 
38767
d8da44a8dd25
proper context for various Thy_Output options, via official configuration options in ML and Isar;
wenzelm
parents:
38708
diff
changeset

587 
handled within the context via configuration options, instead of 
40879
ca132ef44944
configuration option "show_abbrevs" supersedes print mode "no_abbrevs", with inverted meaning;
wenzelm
parents:
40878
diff
changeset

588 
unsynchronized references or print modes. There are both ML Config.T 
ca132ef44944
configuration option "show_abbrevs" supersedes print mode "no_abbrevs", with inverted meaning;
wenzelm
parents:
40878
diff
changeset

589 
entities and Isar declaration attributes to access these. 
38767
d8da44a8dd25
proper context for various Thy_Output options, via official configuration options in ML and Isar;
wenzelm
parents:
38708
diff
changeset

590 

39125
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39105
diff
changeset

591 
ML (Config.T) Isar (attribute) 
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39105
diff
changeset

592 

39128
93a7365fb4ee
turned eta_contract into proper configuration option;
wenzelm
parents:
39126
diff
changeset

593 
eta_contract eta_contract 
39137
ccb53edd59f0
turned show_brackets into proper configuration option;
wenzelm
parents:
39134
diff
changeset

594 
show_brackets show_brackets 
39134
917b4b6ba3d2
turned show_sorts/show_types into proper configuration options;
wenzelm
parents:
39128
diff
changeset

595 
show_sorts show_sorts 
917b4b6ba3d2
turned show_sorts/show_types into proper configuration options;
wenzelm
parents:
39128
diff
changeset

596 
show_types show_types 
39126
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
39125
diff
changeset

597 
show_question_marks show_question_marks 
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
39125
diff
changeset

598 
show_consts show_consts 
40879
ca132ef44944
configuration option "show_abbrevs" supersedes print mode "no_abbrevs", with inverted meaning;
wenzelm
parents:
40878
diff
changeset

599 
show_abbrevs show_abbrevs 
39126
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
39125
diff
changeset

600 

41379  601 
Syntax.ast_trace syntax_ast_trace 
602 
Syntax.ast_stat syntax_ast_stat 

39126
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
39125
diff
changeset

603 
Syntax.ambiguity_level syntax_ambiguity_level 
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
39125
diff
changeset

604 

ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
39125
diff
changeset

605 
Goal_Display.goals_limit goals_limit 
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
39125
diff
changeset

606 
Goal_Display.show_main_goal show_main_goal 
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
39125
diff
changeset

607 

41379  608 
Method.rule_trace rule_trace 
609 

39125
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39105
diff
changeset

610 
Thy_Output.display thy_output_display 
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39105
diff
changeset

611 
Thy_Output.quotes thy_output_quotes 
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39105
diff
changeset

612 
Thy_Output.indent thy_output_indent 
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39105
diff
changeset

613 
Thy_Output.source thy_output_source 
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39105
diff
changeset

614 
Thy_Output.break thy_output_break 
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39105
diff
changeset

615 

41440  616 
Note that corresponding "..._default" references in ML may only be 
38767
d8da44a8dd25
proper context for various Thy_Output options, via official configuration options in ML and Isar;
wenzelm
parents:
38708
diff
changeset

617 
changed globally at the ROOT session setup, but *not* within a theory. 
40879
ca132ef44944
configuration option "show_abbrevs" supersedes print mode "no_abbrevs", with inverted meaning;
wenzelm
parents:
40878
diff
changeset

618 
The option "show_abbrevs" supersedes the former print mode 
ca132ef44944
configuration option "show_abbrevs" supersedes print mode "no_abbrevs", with inverted meaning;
wenzelm
parents:
40878
diff
changeset

619 
"no_abbrevs" with inverted meaning. 
38767
d8da44a8dd25
proper context for various Thy_Output options, via official configuration options in ML and Isar;
wenzelm
parents:
38708
diff
changeset

620 

40878
7695e4de4d86
renamed trace_simp to simp_trace, and debug_simp to simp_debug;
wenzelm
parents:
40866
diff
changeset

621 
* More systematic naming of some configuration options. 
41294  622 
INCOMPATIBILITY. 
40878
7695e4de4d86
renamed trace_simp to simp_trace, and debug_simp to simp_debug;
wenzelm
parents:
40866
diff
changeset

623 

7695e4de4d86
renamed trace_simp to simp_trace, and debug_simp to simp_debug;
wenzelm
parents:
40866
diff
changeset

624 
trace_simp ~> simp_trace 
7695e4de4d86
renamed trace_simp to simp_trace, and debug_simp to simp_debug;
wenzelm
parents:
40866
diff
changeset

625 
debug_simp ~> simp_debug 
7695e4de4d86
renamed trace_simp to simp_trace, and debug_simp to simp_debug;
wenzelm
parents:
40866
diff
changeset

626 

40291  627 
* Support for real valued configuration options, using simplistic 
628 
floatingpoint notation that coincides with the inner syntax for 

629 
float_token. 

630 

41594  631 
* Support for real valued preferences (with approximative PGIP type): 
632 
frontends need to accept "pgint" values in float notation. 

633 
INCOMPATIBILITY. 

41573  634 

635 
* The IsabelleText font now includes Cyrillic, Hebrew, Arabic from 

636 
DejaVu Sans. 

637 

41594  638 
* Discontinued support for Poly/ML 5.0 and 5.1 versions. 
639 

40948  640 

641 
*** Pure *** 

642 

41249
26f12f98f50a
Command 'type_synonym' (with single argument) supersedes 'types' (legacy feature);
wenzelm
parents:
41229
diff
changeset

643 
* Command 'type_synonym' (with single argument) replaces somewhat 
26f12f98f50a
Command 'type_synonym' (with single argument) supersedes 'types' (legacy feature);
wenzelm
parents:
41229
diff
changeset

644 
outdated 'types', which is still available as legacy feature for some 
26f12f98f50a
Command 'type_synonym' (with single argument) supersedes 'types' (legacy feature);
wenzelm
parents:
41229
diff
changeset

645 
time. 
26f12f98f50a
Command 'type_synonym' (with single argument) supersedes 'types' (legacy feature);
wenzelm
parents:
41229
diff
changeset

646 

26f12f98f50a
Command 'type_synonym' (with single argument) supersedes 'types' (legacy feature);
wenzelm
parents:
41229
diff
changeset

647 
* Command 'nonterminal' (with 'and' separated list of arguments) 
26f12f98f50a
Command 'type_synonym' (with single argument) supersedes 'types' (legacy feature);
wenzelm
parents:
41229
diff
changeset

648 
replaces somewhat outdated 'nonterminals'. INCOMPATIBILITY. 
41229
d797baa3d57c
replaced command 'nonterminals' by slightly modernized version 'nonterminal';
wenzelm
parents:
41228
diff
changeset

649 

40965
54b6c9e1c157
command 'notepad' replaces former 'example_proof';
wenzelm
parents:
40959
diff
changeset

650 
* Command 'notepad' replaces former 'example_proof' for 
41020  651 
experimentation in Isar without any result. INCOMPATIBILITY. 
40965
54b6c9e1c157
command 'notepad' replaces former 'example_proof';
wenzelm
parents:
40959
diff
changeset

652 

41435  653 
* Locale interpretation commands 'interpret' and 'sublocale' accept 
654 
lists of equations to map definitions in a locale to appropriate 

655 
entities in the context of the interpretation. The 'interpretation' 

656 
command already provided this functionality. 

657 

41594  658 
* Diagnostic command 'print_dependencies' prints the locale instances 
659 
that would be activated if the specified expression was interpreted in 

660 
the current context. Variant "print_dependencies!" assumes a context 

661 
without interpretations. 

38110  662 

663 
* Diagnostic command 'print_interps' prints interpretations in proofs 

664 
in addition to interpretations in theories. 

665 

38708
8915e3ce8655
discontinued obsolete 'global' and 'local' commands;
wenzelm
parents:
38656
diff
changeset

666 
* Discontinued obsolete 'global' and 'local' commands to manipulate 
8915e3ce8655
discontinued obsolete 'global' and 'local' commands;
wenzelm
parents:
38656
diff
changeset

667 
the theory name space. Rare INCOMPATIBILITY. The ML functions 
8915e3ce8655
discontinued obsolete 'global' and 'local' commands;
wenzelm
parents:
38656
diff
changeset

668 
Sign.root_path and Sign.local_path may be applied directly where this 
8915e3ce8655
discontinued obsolete 'global' and 'local' commands;
wenzelm
parents:
38656
diff
changeset

669 
feature is still required for historical reasons. 
8915e3ce8655
discontinued obsolete 'global' and 'local' commands;
wenzelm
parents:
38656
diff
changeset

670 

40948  671 
* Discontinued obsolete 'constdefs' command. INCOMPATIBILITY, use 
39215  672 
'definition' instead. 
673 

41574  674 
* The "prems" fact, which refers to the accidental collection of 
675 
foundational premises in the context, is now explicitly marked as 

41594  676 
legacy feature and will be discontinued soon. Consider using "assms" 
677 
of the head statement or reference facts by explicit names. 

41574  678 

40801  679 
* Document antiquotations @{class} and @{type} print classes and type 
680 
constructors. 

681 

682 
* Document antiquotation @{file} checks file/directory entries within 

683 
the local file system. 

39305
d4fa19eb0822
'class' and 'type' are now antiquoations by default
haftmann
parents:
39277
diff
changeset

684 

38110  685 

37387
3581483cca6c
qualified types "+" and nat; qualified constants Ball, Bex, Suc, curry; modernized some specifications
haftmann
parents:
37383
diff
changeset

686 
*** HOL *** 
3581483cca6c
qualified types "+" and nat; qualified constants Ball, Bex, Suc, curry; modernized some specifications
haftmann
parents:
37383
diff
changeset

687 

41594  688 
* Coercive subtyping: functions can be declared as coercions and type 
689 
inference will add them as necessary upon input of a term. Theory 

690 
Complex_Main declares real :: nat => real and real :: int => real as 

691 
coercions. A coercion function f is declared like this: 

40939
2c150063cd4d
setup subtyping/coercions once in HOL.thy, but enable it only later via configuration option;
wenzelm
parents:
40927
diff
changeset

692 

2c150063cd4d
setup subtyping/coercions once in HOL.thy, but enable it only later via configuration option;
wenzelm
parents:
40927
diff
changeset

693 
declare [[coercion f]] 
40866  694 

41571  695 
To lift coercions through type constructors (e.g. from nat => real to 
40866  696 
nat list => real list), map functions can be declared, e.g. 
697 

40939
2c150063cd4d
setup subtyping/coercions once in HOL.thy, but enable it only later via configuration option;
wenzelm
parents:
40927
diff
changeset

698 
declare [[coercion_map map]] 
2c150063cd4d
setup subtyping/coercions once in HOL.thy, but enable it only later via configuration option;
wenzelm
parents:
40927
diff
changeset

699 

2c150063cd4d
setup subtyping/coercions once in HOL.thy, but enable it only later via configuration option;
wenzelm
parents:
40927
diff
changeset

700 
Currently coercion inference is activated only in theories including 
2c150063cd4d
setup subtyping/coercions once in HOL.thy, but enable it only later via configuration option;
wenzelm
parents:
40927
diff
changeset

701 
real numbers, i.e. descendants of Complex_Main. This is controlled by 
41020  702 
the configuration option "coercion_enabled", e.g. it can be enabled in 
40939
2c150063cd4d
setup subtyping/coercions once in HOL.thy, but enable it only later via configuration option;
wenzelm
parents:
40927
diff
changeset

703 
other theories like this: 
2c150063cd4d
setup subtyping/coercions once in HOL.thy, but enable it only later via configuration option;
wenzelm
parents:
40927
diff
changeset

704 

2c150063cd4d
setup subtyping/coercions once in HOL.thy, but enable it only later via configuration option;
wenzelm
parents:
40927
diff
changeset

705 
declare [[coercion_enabled]] 
40866  706 

41571  707 
* Command 'partial_function' provides basic support for recursive 
708 
function definitions over complete partial orders. Concrete instances 

40183  709 
are provided for i) the option type, ii) tail recursion on arbitrary 
41571  710 
types, and iii) the heap monad of Imperative_HOL. See 
711 
src/HOL/ex/Fundefs.thy and src/HOL/Imperative_HOL/ex/Linked_Lists.thy 

712 
for examples. 

40183  713 

41571  714 
* Function package: f.psimps rules are no longer implicitly declared 
715 
as [simp]. INCOMPATIBILITY. 

41398  716 

717 
* Datatype package: theorems generated for executable equality (class 

41571  718 
"eq") carry proper names and are treated as default code equations. 
719 

41594  720 
* Inductive package: now offers command 'inductive_simps' to 
721 
automatically derive instantiated and simplified equations for 

722 
inductive predicates, similar to 'inductive_cases'. 

723 

41571  724 
* Command 'enriched_type' allows to register properties of the 
725 
functorial structure of types. 

39771  726 

39644  727 
* Improved infrastructure for term evaluation using code generator 
728 
techniques, in particular static evaluation conversions. 

729 

41594  730 
* Code generator: Scala (2.8 or higher) has been added to the target 
731 
languages. 

732 

41398  733 
* Code generator: globbing constant expressions "*" and "Theory.*" 
734 
have been replaced by the more idiomatic "_" and "Theory._". 

735 
INCOMPATIBILITY. 

736 

737 
* Code generator: export_code without explicit file declaration prints 

738 
to standard output. INCOMPATIBILITY. 

739 

740 
* Code generator: do not print function definitions for case 

741 
combinators any longer. 

742 

41594  743 
* Code generator: simplification with rules determined with 
41571  744 
src/Tools/Code/code_simp.ML and method "code_simp". 
745 

41594  746 
* Code generator for records: more idiomatic representation of record 
40948  747 
types. Warning: records are not covered by ancient SML code 
748 
generation any longer. INCOMPATIBILITY. In cases of need, a suitable 

749 
rep_datatype declaration helps to succeed then: 

38537  750 

751 
record 'a foo = ... 

752 
... 

753 
rep_datatype foo_ext ... 

38535  754 

41594  755 
* Records: logical foundation type for records does not carry a 
756 
'_type' suffix any longer (obsolete due to authentic syntax). 

757 
INCOMPATIBILITY. 

758 

41398  759 
* Quickcheck now by default uses exhaustive testing instead of random 
41571  760 
testing. Random testing can be invoked by "quickcheck [random]", 
761 
exhaustive testing by "quickcheck [exhaustive]". 

41398  762 

763 
* Quickcheck instantiates polymorphic types with small finite 

764 
datatypes by default. This enables a simple execution mechanism to 

765 
handle quantifiers and function equality over the finite datatypes. 

766 

41571  767 
* Quickcheck random generator has been renamed from "code" to 
768 
"random". INCOMPATIBILITY. 

41398  769 

770 
* Quickcheck now has a configurable time limit which is set to 30 

771 
seconds by default. This can be changed by adding [timeout = n] to the 

772 
quickcheck command. The time limit for Auto Quickcheck is still set 

773 
independently. 

38461  774 

775 
* Quickcheck in locales considers interpretations of that locale for 

776 
counter example search. 

777 

40059
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
blanchet
parents:
39993
diff
changeset

778 
* Sledgehammer: 
41571  779 
 Added "smt" and "remote_smt" provers based on the "smt" proof 
780 
method. See the Sledgehammer manual for details ("isabelle doc 

781 
sledgehammer"). 

40059
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
blanchet
parents:
39993
diff
changeset

782 
 Renamed commands: 
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
blanchet
parents:
39993
diff
changeset

783 
sledgehammer atp_info ~> sledgehammer running_provers 
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
blanchet
parents:
39993
diff
changeset

784 
sledgehammer atp_kill ~> sledgehammer kill_provers 
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
blanchet
parents:
39993
diff
changeset

785 
sledgehammer available_atps ~> sledgehammer available_provers 
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
blanchet
parents:
39993
diff
changeset

786 
INCOMPATIBILITY. 
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
blanchet
parents:
39993
diff
changeset

787 
 Renamed options: 
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
blanchet
parents:
39993
diff
changeset

788 
sledgehammer [atps = ...] ~> sledgehammer [provers = ...] 
40062  789 
sledgehammer [atp = ...] ~> sledgehammer [prover = ...] 
40341
03156257040f
standardize on seconds for Nitpick and Sledgehammer timeouts
blanchet
parents:
40318
diff
changeset

790 
sledgehammer [timeout = 77 s] ~> sledgehammer [timeout = 77] 
03156257040f
standardize on seconds for Nitpick and Sledgehammer timeouts
blanchet
parents:
40318
diff
changeset

791 
(and "ms" and "min" are no longer supported) 
03156257040f
standardize on seconds for Nitpick and Sledgehammer timeouts
blanchet
parents:
40318
diff
changeset

792 
INCOMPATIBILITY. 
03156257040f
standardize on seconds for Nitpick and Sledgehammer timeouts
blanchet
parents:
40318
diff
changeset

793 

03156257040f
standardize on seconds for Nitpick and Sledgehammer timeouts
blanchet
parents:
40318
diff
changeset

794 
* Nitpick: 
03156257040f
standardize on seconds for Nitpick and Sledgehammer timeouts
blanchet
parents:
40318
diff
changeset

795 
 Renamed options: 
03156257040f
standardize on seconds for Nitpick and Sledgehammer timeouts
blanchet
parents:
40318
diff
changeset

796 
nitpick [timeout = 77 s] ~> nitpick [timeout = 77] 
03156257040f
standardize on seconds for Nitpick and Sledgehammer timeouts
blanchet
parents:
40318
diff
changeset

797 
nitpick [tac_timeout = 777 ms] ~> nitpick [tac_timeout = 0.777] 
40059
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
blanchet
parents:
39993
diff
changeset

798 
INCOMPATIBILITY. 
40725  799 
 Added support for partial quotient types. 
800 
 Added local versions of the "Nitpick.register_xxx" functions. 

801 
 Added "whack" option. 

802 
 Allow registration of quotient types as codatatypes. 

803 
 Improved "merge_type_vars" option to merge more types. 

804 
 Removed unsound "fast_descrs" option. 

805 
 Added custom symmetry breaking for datatypes, making it possible to reach 

806 
higher cardinalities. 

807 
 Prevent the expansion of too large definitions. 

39957
2f2d90cc31a2
document latest changes to Meson/Metis/Sledgehammer
blanchet
parents:
39910
diff
changeset

808 

41571  809 
* Proof methods "metis" and "meson" now have configuration options 
810 
"meson_trace", "metis_trace", and "metis_verbose" that can be enabled 

811 
to diagnose these tools. E.g. 

812 

813 
using [[metis_trace = true]] 

814 

41398  815 
* Auto Solve: Renamed "Auto Solve Direct". The tool is now available 
816 
manually as command 'solve_direct'. 

817 

41601  818 
* The default SMT solver Z3 must be enabled explicitly (due to 
819 
licensing issues) by setting the environment variable 

41603  820 
Z3_NON_COMMERCIAL in etc/settings of the component, for example. For 
821 
commercial applications, the SMT solver CVC3 is provided as fallback; 

822 
changing the SMT solver is done via the configuration option 

823 
"smt_solver". 

41432
3214c39777ab
differentiate between local and remote SMT solvers (e.g., "z3" vs. "remote_z3");
boehmes
parents:
41430
diff
changeset

824 

3214c39777ab
differentiate between local and remote SMT solvers (e.g., "z3" vs. "remote_z3");
boehmes
parents:
41430
diff
changeset

825 
* Remote SMT solvers need to be referred to by the "remote_" prefix, 
41571  826 
i.e. "remote_cvc3" and "remote_z3". 
827 

828 
* Added basic SMT support for datatypes, records, and typedefs using 

829 
the oracle mode (no proofs). Direct support of pairs has been dropped 

830 
in exchange (pass theorems fst_conv snd_conv pair_collapse to the SMT 

831 
support for a similar behavior). Minor INCOMPATIBILITY. 

41432
3214c39777ab
differentiate between local and remote SMT solvers (e.g., "z3" vs. "remote_z3");
boehmes
parents:
41430
diff
changeset

832 

40162
7f58a9a843c2
joined setup of SMT solvers in one place; turned Z3specific options into SMT options (renamed configuration options from z3_* to smt_*); more detailed SMT exception; improved SMT filter interface
boehmes
parents:
40128
diff
changeset

833 
* Changed SMT configuration options: 
7f58a9a843c2
joined setup of SMT solvers in one place; turned Z3specific options into SMT options (renamed configuration options from z3_* to smt_*); more detailed SMT exception; improved SMT filter interface
boehmes
parents:
40128
diff
changeset

834 
 Renamed: 
41432
3214c39777ab
differentiate between local and remote SMT solvers (e.g., "z3" vs. "remote_z3");
boehmes
parents:
41430
diff
changeset

835 
z3_proofs ~> smt_oracle (with inverted meaning) 
40162
7f58a9a843c2
joined setup of SMT solvers in one place; turned Z3specific options into SMT options (renamed configuration options from z3_* to smt_*); more detailed SMT exception; improved SMT filter interface
boehmes
parents:
40128
diff
changeset

836 
z3_trace_assms ~> smt_trace_used_facts 
7f58a9a843c2
joined setup of SMT solvers in one place; turned Z3specific options into SMT options (renamed configuration options from z3_* to smt_*); more detailed SMT exception; improved SMT filter interface
boehmes
parents:
40128
diff
changeset

837 
INCOMPATIBILITY. 
7f58a9a843c2
joined setup of SMT solvers in one place; turned Z3specific options into SMT options (renamed configuration options from z3_* to smt_*); more detailed SMT exception; improved SMT filter interface
boehmes
parents:
40128
diff
changeset

838 
 Added: 
40424
7550b2cba1cb
better modularization: moved SMT configuration options and diagnostics as well as SMT failure and exception into separate structures (both of which are loaded first and consequently are available to other SMT structures)
boehmes
parents:
40388
diff
changeset

839 
smt_verbose 
41432
3214c39777ab
differentiate between local and remote SMT solvers (e.g., "z3" vs. "remote_z3");
boehmes
parents:
41430
diff
changeset

840 
smt_random_seed 
40424
7550b2cba1cb
better modularization: moved SMT configuration options and diagnostics as well as SMT failure and exception into separate structures (both of which are loaded first and consequently are available to other SMT structures)
boehmes
parents:
40388
diff
changeset

841 
smt_datatypes 
41432
3214c39777ab
differentiate between local and remote SMT solvers (e.g., "z3" vs. "remote_z3");
boehmes
parents:
41430
diff
changeset

842 
smt_infer_triggers 
3214c39777ab
differentiate between local and remote SMT solvers (e.g., "z3" vs. "remote_z3");
boehmes
parents:
41430
diff
changeset

843 
smt_monomorph_limit 
40162
7f58a9a843c2
joined setup of SMT solvers in one place; turned Z3specific options into SMT options (renamed configuration options from z3_* to smt_*); more detailed SMT exception; improved SMT filter interface
boehmes
parents:
40128
diff
changeset

844 
cvc3_options 
41432
3214c39777ab
differentiate between local and remote SMT solvers (e.g., "z3" vs. "remote_z3");
boehmes
parents:
41430
diff
changeset

845 
remote_cvc3_options 
3214c39777ab
differentiate between local and remote SMT solvers (e.g., "z3" vs. "remote_z3");
boehmes
parents:
41430
diff
changeset

846 
remote_z3_options 
40162
7f58a9a843c2
joined setup of SMT solvers in one place; turned Z3specific options into SMT options (renamed configuration options from z3_* to smt_*); more detailed SMT exception; improved SMT filter interface
boehmes
parents:
40128
diff
changeset

847 
yices_options 
39957
2f2d90cc31a2
document latest changes to Meson/Metis/Sledgehammer
blanchet
parents:
39910
diff
changeset

848 

40948  849 
* Boogie output files (.b2i files) need to be declared in the theory 
850 
header. 

40580
0592d3a39c08
require the b2i file ending in the boogie_open command (for consistency with the theory header)
boehmes
parents:
40424
diff
changeset

851 

41594  852 
* Simplification procedure "list_to_set_comprehension" rewrites list 
853 
comprehensions applied to List.set to set comprehensions. Occasional 

854 
INCOMPATIBILITY, may be deactivated like this: 

855 

856 
declare [[simproc del: list_to_set_comprehension]] 

857 

41573  858 
* Removed old version of primrec package. INCOMPATIBILITY. 
41398  859 

860 
* Removed simplifier congruence rule of "prod_case", as has for long 

861 
been the case with "split". INCOMPATIBILITY. 

862 

863 
* String.literal is a type, but not a datatype. INCOMPATIBILITY. 

864 

40388
cb9fd7dd641c
abolished obscure goal variant of [split_format]  unused (cf. d1c14898fd04), unrelated to '(complete)' variant, and not at all canonical
krauss
parents:
40387
diff
changeset

865 
* Removed [split_format ... and ... and ...] version of 
cb9fd7dd641c
abolished obscure goal variant of [split_format]  unused (cf. d1c14898fd04), unrelated to '(complete)' variant, and not at all canonical
krauss
parents:
40387
diff
changeset

866 
[split_format]. Potential INCOMPATIBILITY. 
cb9fd7dd641c
abolished obscure goal variant of [split_format]  unused (cf. d1c14898fd04), unrelated to '(complete)' variant, and not at all canonical
krauss
parents:
40387
diff
changeset

867 

41571  868 
* Predicate "sorted" now defined inductively, with nice induction 
869 
rules. INCOMPATIBILITY: former sorted.simps now named sorted_simps. 

41398  870 

871 
* Constant "contents" renamed to "the_elem", to free the generic name 

872 
contents for other uses. INCOMPATIBILITY. 

873 

874 
* Renamed class eq and constant eq (for code generation) to class 

875 
equal and constant equal, plus renaming of related facts and various 

876 
tuning. INCOMPATIBILITY. 

877 

878 
* Dropped type classes mult_mono and mult_mono1. INCOMPATIBILITY. 

879 

41571  880 
* Removed output syntax "'a ~=> 'b" for "'a => 'b option". 
881 
INCOMPATIBILITY. 

41398  882 

883 
* Renamed theory Fset to Cset, type Fset.fset to Cset.set, in order to 

884 
avoid confusion with finite sets. INCOMPATIBILITY. 

885 

886 
* Abandoned locales equiv, congruent and congruent2 for equivalence 

887 
relations. INCOMPATIBILITY: use equivI rather than equiv_intro (same 

888 
for congruent(2)). 

889 

890 
* Some previously unqualified names have been qualified: 

891 

892 
types 

893 
bool ~> HOL.bool 

894 
nat ~> Nat.nat 

895 

896 
constants 

897 
Trueprop ~> HOL.Trueprop 

898 
True ~> HOL.True 

899 
False ~> HOL.False 

900 
op & ~> HOL.conj 

901 
op  ~> HOL.disj 

902 
op > ~> HOL.implies 

903 
op = ~> HOL.eq 

904 
Not ~> HOL.Not 

905 
The ~> HOL.The 

906 
All ~> HOL.All 

907 
Ex ~> HOL.Ex 

908 
Ex1 ~> HOL.Ex1 

909 
Let ~> HOL.Let 

910 
If ~> HOL.If 

911 
Ball ~> Set.Ball 

912 
Bex ~> Set.Bex 

913 
Suc ~> Nat.Suc 

914 
Pair ~> Product_Type.Pair 

915 
fst ~> Product_Type.fst 

916 
snd ~> Product_Type.snd 

917 
curry ~> Product_Type.curry 

918 
op : ~> Set.member 

919 
Collect ~> Set.Collect 

920 

921 
INCOMPATIBILITY. 

922 

923 
* More canonical naming convention for some fundamental definitions: 

924 

925 
bot_bool_eq ~> bot_bool_def 

926 
top_bool_eq ~> top_bool_def 

927 
inf_bool_eq ~> inf_bool_def 

928 
sup_bool_eq ~> sup_bool_def 

929 
bot_fun_eq ~> bot_fun_def 

930 
top_fun_eq ~> top_fun_def 

931 
inf_fun_eq ~> inf_fun_def 

932 
sup_fun_eq ~> sup_fun_def 

933 

934 
INCOMPATIBILITY. 

935 

936 
* More stylized fact names: 

937 

938 
expand_fun_eq ~> fun_eq_iff 

939 
expand_set_eq ~> set_eq_iff 

940 
set_ext ~> set_eqI 

941 
nat_number ~> eval_nat_numeral 

942 

943 
INCOMPATIBILITY. 

944 

41571  945 
* Refactoring of codegeneration specific operations in theory List: 
41398  946 

947 
constants 

948 
null ~> List.null 

949 

950 
facts 

951 
mem_iff ~> member_def 

952 
null_empty ~> null_def 

953 

954 
INCOMPATIBILITY. Note that these were not supposed to be used 

955 
regularly unless for striking reasons; their main purpose was code 

956 
generation. 

957 

958 
Various operations from the Haskell prelude are used for generating 

959 
Haskell code. 

960 

41571  961 
* Term "bij f" is now an abbreviation of "bij_betw f UNIV UNIV". Term 
962 
"surj f" is now an abbreviation of "range f = UNIV". The theorems 

963 
bij_def and surj_def are unchanged. INCOMPATIBILITY. 

41398  964 

965 
* Abolished some nonalphabetic type names: "prod" and "sum" replace 

966 
"*" and "+" respectively. INCOMPATIBILITY. 

967 

968 
* Name "Plus" of disjoint sum operator "<+>" is now hidden. Write 

41571  969 
"Sum_Type.Plus" instead. 
41398  970 

971 
* Constant "split" has been merged with constant "prod_case"; names of 

972 
ML functions, facts etc. involving split have been retained so far, 

973 
though. INCOMPATIBILITY. 

974 

975 
* Dropped old infix syntax "_ mem _" for List.member; use "_ : set _" 

976 
instead. INCOMPATIBILITY. 

977 

41571  978 
* Removed lemma "Option.is_none_none" which duplicates "is_none_def". 
41398  979 
INCOMPATIBILITY. 
980 

41594  981 
* Former theory Library/Enum is now part of the HOLMain image. 
982 
INCOMPATIBILITY: all constants of the Enum theory now have to be 

983 
referred to by its qualified name. 

984 

985 
enum ~> Enum.enum 

986 
nlists ~> Enum.nlists 

987 
product ~> Enum.product 

988 

989 
* Theory Library/Monad_Syntax provides dosyntax for monad types. 

990 
Syntax in Library/State_Monad has been changed to avoid ambiguities. 

991 
INCOMPATIBILITY. 

992 

993 
* Theory Library/SetsAndFunctions has been split into 

994 
Library/Function_Algebras and Library/Set_Algebras; canonical names 

995 
for instance definitions for functions; various improvements. 

996 
INCOMPATIBILITY. 

997 

998 
* Theory Library/Multiset provides stable quicksort implementation of 

999 
sort_key. 

1000 

1001 
* Theory Library/Multiset: renamed empty_idemp ~> empty_neutral. 

1002 
INCOMPATIBILITY. 

1003 

1004 
* Session Multivariate_Analysis: introduced a type class for euclidean 

1005 
space. Most theorems are now stated in terms of euclidean spaces 

1006 
instead of finite cartesian products. 

1007 

1008 
types 

1009 
real ^ 'n ~> 'a::real_vector 

1010 
~> 'a::euclidean_space 

1011 
~> 'a::ordered_euclidean_space 

1012 
(depends on your needs) 

1013 

1014 
constants 

1015 
_ $ _ ~> _ $$ _ 

1016 
\<chi> x. _ ~> \<chi>\<chi> x. _ 

1017 
CARD('n) ~> DIM('a) 

1018 

1019 
Also note that the indices are now natural numbers and not from some 

1020 
finite type. Finite cartesian products of euclidean spaces, products 

1021 
of euclidean spaces the real and complex numbers are instantiated to 

1022 
be euclidean_spaces. INCOMPATIBILITY. 

1023 

1024 
* Session Probability: introduced pextreal as positive extended real 

1025 
numbers. Use pextreal as value for measures. Introduce the 

1026 
RadonNikodym derivative, product spaces and Fubini's theorem for 

1027 
arbitrary sigma finite measures. Introduces Lebesgue measure based on 

1028 
the integral in Multivariate Analysis. INCOMPATIBILITY. 

1029 

1030 
* Session Imperative_HOL: revamped, corrected dozens of inadequacies. 

1031 
INCOMPATIBILITY. 

1032 

1033 
* Session SPARK (with image HOLSPARK) provides commands to load and 

1034 
prove verification conditions generated by the SPARK Ada program 

1035 
verifier. See also src/HOL/SPARK and src/HOL/SPARK/Examples. 

41567  1036 

40621  1037 

41433
1b8ff770f02c
Abelian group facts obtained from group facts via interpretation (sublocale).
ballarin
parents:
41432
diff
changeset

1038 
*** HOLAlgebra *** 
1b8ff770f02c
Abelian group facts obtained from group facts via interpretation (sublocale).
ballarin
parents:
41432
diff
changeset

1039 

1b8ff770f02c
Abelian group facts obtained from group facts via interpretation (sublocale).
ballarin
parents:
41432
diff
changeset

1040 
* Theorems for additive ring operations (locale abelian_monoid and 
1b8ff770f02c
Abelian group facts obtained from group facts via interpretation (sublocale).
ballarin
parents:
41432
diff
changeset

1041 
descendants) are generated by interpretation from their multiplicative 
41434
710cdb9e0d17
Documentation for 'interpret' and 'sublocale' with mixins.
ballarin
parents:
41433
diff
changeset

1042 
counterparts. Names (in particular theorem names) have the mandatory 
710cdb9e0d17
Documentation for 'interpret' and 'sublocale' with mixins.
ballarin
parents:
41433
diff
changeset

1043 
qualifier 'add'. Previous theorem names are redeclared for 
710cdb9e0d17
Documentation for 'interpret' and 'sublocale' with mixins.
ballarin
parents:
41433
diff
changeset

1044 
compatibility. 
710cdb9e0d17
Documentation for 'interpret' and 'sublocale' with mixins.
ballarin
parents:
41433
diff
changeset

1045 

41571  1046 
* Structure "int_ring" is now an abbreviation (previously a 
41434
710cdb9e0d17
Documentation for 'interpret' and 'sublocale' with mixins.
ballarin
parents:
41433
diff
changeset

1047 
definition). This fits more natural with advanced interpretations. 
41433
1b8ff770f02c
Abelian group facts obtained from group facts via interpretation (sublocale).
ballarin
parents:
41432
diff
changeset

1048 

1b8ff770f02c
Abelian group facts obtained from group facts via interpretation (sublocale).
ballarin
parents:
41432
diff
changeset

1049 

40621  1050 
*** HOLCF *** 
1051 

1052 
* The domain package now runs in definitional mode by default: The 

41571  1053 
former command 'new_domain' is now called 'domain'. To use the domain 
40621  1054 
package in its original axiomatic mode, use 'domain (unsafe)'. 
1055 
INCOMPATIBILITY. 

1056 

41571  1057 
* The new class "domain" is now the default sort. Class "predomain" 
1058 
is an unpointed version of "domain". Theories can be updated by 

1059 
replacing sort annotations as shown below. INCOMPATIBILITY. 

40621  1060 

1061 
'a::type ~> 'a::countable 

1062 
'a::cpo ~> 'a::predomain 

1063 
'a::pcpo ~> 'a::domain 

1064 

41571  1065 
* The old type class "rep" has been superseded by class "domain". 
40621  1066 
Accordingly, users of the definitional package must remove any 
41571  1067 
"default_sort rep" declarations. INCOMPATIBILITY. 
40621  1068 

41401  1069 
* The domain package (definitional mode) now supports unpointed 
1070 
predomain argument types, as long as they are marked 'lazy'. (Strict 

41571  1071 
arguments must be in class "domain".) For example, the following 
41401  1072 
domain definition now works: 
1073 

1074 
domain natlist = nil  cons (lazy "nat discr") (lazy "natlist") 

1075 

1076 
* Theory HOLCF/Library/HOL_Cpo provides cpo and predomain class 

41571  1077 
instances for types from main HOL: bool, nat, int, char, 'a + 'b, 
1078 
'a option, and 'a list. Additionally, it configures fixrec and the 

1079 
domain package to work with these types. For example: 

41401  1080 

1081 
fixrec isInl :: "('a + 'b) u > tr" 

1082 
where "isInl$(up$(Inl x)) = TT"  "isInl$(up$(Inr y)) = FF" 

1083 

1084 
domain V = VFun (lazy "V > V")  VCon (lazy "nat") (lazy "V list") 

1085 

41571  1086 
* The "(permissive)" option of fixrec has been replaced with a 
1087 
perequation "(unchecked)" option. See 

1088 
src/HOL/HOLCF/Tutorial/Fixrec_ex.thy for examples. INCOMPATIBILITY. 

1089 

1090 
* The "bifinite" class no longer fixes a constant "approx"; the class 

1091 
now just asserts that such a function exists. INCOMPATIBILITY. 

1092 

1093 
* Former type "alg_defl" has been renamed to "defl". HOLCF no longer 

41287
029a6fc1bfb8
type 'defl' takes a type parameter again (cf. b525988432e9)
huffman
parents:
41286
diff
changeset

1094 
defines an embedding of type 'a defl into udom by default; instances 
41571  1095 
of "bifinite" and "domain" classes are available in 
1096 
src/HOL/HOLCF/Library/Defl_Bifinite.thy. 

1097 

1098 
* The syntax "REP('a)" has been replaced with "DEFL('a)". 

1099 

1100 
* The predicate "directed" has been removed. INCOMPATIBILITY. 

1101 

1102 
* The type class "finite_po" has been removed. INCOMPATIBILITY. 

1103 

1104 
* The function "cprod_map" has been renamed to "prod_map". 

41401  1105 
INCOMPATIBILITY. 
1106 

1107 
* The monadic bind operator on each powerdomain has new binder syntax 

41571  1108 
similar to sets, e.g. "\<Union>\<sharp>x\<in>xs. t" represents 
1109 
"upper_bind\<cdot>xs\<cdot>(\<Lambda> x. t)". 

41401  1110 

1111 
* The infix syntax for binary union on each powerdomain has changed 

41571  1112 
from e.g. "+\<sharp>" to "\<union>\<sharp>", for consistency with set 
1113 
syntax. INCOMPATIBILITY. 

1114 

1115 
* The constant "UU" has been renamed to "bottom". The syntax "UU" is 

41429
cf5f025bc3c7
renamed constant 'UU' to 'bottom', keeping 'UU' as alternative input syntax;
huffman
parents:
41414
diff
changeset

1116 
still supported as an input translation. 
cf5f025bc3c7
renamed constant 'UU' to 'bottom', keeping 'UU' as alternative input syntax;
huffman
parents:
41414
diff
changeset

1117 

40621  1118 
* Renamed some theorems (the original names are also still available). 
41571  1119 

40621  1120 
expand_fun_below ~> fun_below_iff 
1121 
below_fun_ext ~> fun_belowI 

1122 
expand_cfun_eq ~> cfun_eq_iff 

1123 
ext_cfun ~> cfun_eqI 

1124 
expand_cfun_below ~> cfun_below_iff 

1125 
below_cfun_ext ~> cfun_belowI 

1126 
cont2cont_Rep_CFun ~> cont2cont_APP 

1127 

1128 
* The Abs and Rep functions for various types have changed names. 

40948  1129 
Related theorem names have also changed to match. INCOMPATIBILITY. 
41571  1130 

40621  1131 
Rep_CFun ~> Rep_cfun 
1132 
Abs_CFun ~> Abs_cfun 

1133 
Rep_Sprod ~> Rep_sprod 

1134 
Abs_Sprod ~> Abs_sprod 

1135 
Rep_Ssum ~> Rep_ssum 

1136 
Abs_Ssum ~> Abs_ssum 

1137 

1138 
* Lemmas with names of the form *_defined_iff or *_strict_iff have 

41571  1139 
been renamed to *_bottom_iff. INCOMPATIBILITY. 
40621  1140 

1141 
* Various changes to bisimulation/coinduction with domain package: 

41571  1142 

1143 
 Definitions of "bisim" constants no longer mention definedness. 

1144 
 With mutual recursion, "bisim" predicate is now curried. 

40621  1145 
 With mutual recursion, each type gets a separate coind theorem. 
1146 
 Variable names in bisim_def and coinduct rules have changed. 

41571  1147 

40621  1148 
INCOMPATIBILITY. 
1149 

41571  1150 
* Case combinators generated by the domain package for type "foo" are 
1151 
now named "foo_case" instead of "foo_when". INCOMPATIBILITY. 

40621  1152 

40771  1153 
* Several theorems have been renamed to more accurately reflect the 
41571  1154 
names of constants and types involved. INCOMPATIBILITY. 
1155 

40771  1156 
thelub_const ~> lub_const 
1157 
lub_const ~> is_lub_const 

1158 
thelubI ~> lub_eqI 

1159 
is_lub_lub ~> is_lubD2 

1160 
lubI ~> is_lub_lub 

1161 
unique_lub ~> is_lub_unique 

1162 
is_ub_lub ~> is_lub_rangeD1 

1163 
lub_bin_chain ~> is_lub_bin_chain 

41030
ff7d177128ef
rename lub_fun > is_lub_fun, thelub_fun > lub_fun
huffman
parents:
40965
diff
changeset

1164 
lub_fun ~> is_lub_fun 
ff7d177128ef
rename lub_fun > is_lub_fun, thelub_fun > lub_fun
huffman
parents:
40965
diff
changeset

1165 
thelub_fun ~> lub_fun 
41031  1166 
thelub_cfun ~> lub_cfun 
40771  1167 
thelub_Pair ~> lub_Pair 
1168 
lub_cprod ~> is_lub_prod 

1169 
thelub_cprod ~> lub_prod 

1170 
minimal_cprod ~> minimal_prod 

1171 
inst_cprod_pcpo ~> inst_prod_pcpo 

41430
1aa23e9f2c87
change some lemma names containing 'UU' to 'bottom'
huffman
parents:
41429
diff
changeset

1172 
UU_I ~> bottomI 
1aa23e9f2c87
change some lemma names containing 'UU' to 'bottom'
huffman
parents:
41429
diff
changeset

1173 
compact_UU ~> compact_bottom 
1aa23e9f2c87
change some lemma names containing 'UU' to 'bottom'
huffman
parents:
41429
diff
changeset

1174 
deflation_UU ~> deflation_bottom 
1aa23e9f2c87
change some lemma names containing 'UU' to 'bottom'
huffman
parents:
41429
diff
changeset

1175 
finite_deflation_UU ~> finite_deflation_bottom 
40771  1176 

41571  1177 
* Many legacy theorem names have been discontinued. INCOMPATIBILITY. 
1178 

40621  1179 
sq_ord_less_eq_trans ~> below_eq_trans 
1180 
sq_ord_eq_less_trans ~> eq_below_trans 

1181 
refl_less ~> below_refl 

1182 
trans_less ~> below_trans 

1183 
antisym_less ~> below_antisym 

1184 
antisym_less_inverse ~> po_eq_conv [THEN iffD1] 

1185 
box_less ~> box_below 

1186 
rev_trans_less ~> rev_below_trans 

1187 
not_less2not_eq ~> not_below2not_eq 

1188 
less_UU_iff ~> below_UU_iff 

1189 
flat_less_iff ~> flat_below_iff 

1190 
adm_less ~> adm_below 

1191 
adm_not_less ~> adm_not_below 

1192 
adm_compact_not_less ~> adm_compact_not_below 

1193 
less_fun_def ~> below_fun_def 

1194 
expand_fun_less ~> fun_below_iff 

1195 
less_fun_ext ~> fun_belowI 

1196 
less_discr_def ~> below_discr_def 

1197 
discr_less_eq ~> discr_below_eq 

1198 
less_unit_def ~> below_unit_def 

1199 
less_cprod_def ~> below_prod_def 

1200 
prod_lessI ~> prod_belowI 

1201 
Pair_less_iff ~> Pair_below_iff 

1202 
fst_less_iff ~> fst_below_iff 

1203 
snd_less_iff ~> snd_below_iff 

1204 
expand_cfun_less ~> cfun_below_iff 

1205 
less_cfun_ext ~> cfun_belowI 

1206 
injection_less ~> injection_below 

1207 
less_up_def ~> below_up_def 

1208 
not_Iup_less ~> not_Iup_below 

1209 
Iup_less ~> Iup_below 

1210 
up_less ~> up_below 

1211 
Def_inject_less_eq ~> Def_below_Def 

1212 
Def_less_is_eq ~> Def_below_iff 

1213 
spair_less_iff ~> spair_below_iff 

1214 
less_sprod ~> below_sprod 

1215 
spair_less ~> spair_below 

1216 
sfst_less_iff ~> sfst_below_iff 

1217 
ssnd_less_iff ~> ssnd_below_iff 

1218 
fix_least_less ~> fix_least_below 

1219 
dist_less_one ~> dist_below_one 

1220 
less_ONE ~> below_ONE 

1221 
ONE_less_iff ~> ONE_below_iff 

1222 
less_sinlD ~> below_sinlD 

1223 
less_sinrD ~> below_sinrD 

1224 

1225 

40948  1226 
*** FOL and ZF *** 
38522  1227 

41310  1228 
* All constant names are now qualified internally and use proper 
1229 
identifiers, e.g. "IFOL.eq" instead of "op =". INCOMPATIBILITY. 

1230 

38522  1231 

37868
59eed00bfd8e
ML antiquotations @{theory} and @{theory_ref} refer to the theory ancestry, not any accidental theory loader state;
wenzelm
parents:
37820
diff
changeset

1232 
*** ML *** 
59eed00bfd8e
ML antiquotations @{theory} and @{theory_ref} refer to the theory ancestry, not any accidental theory loader state;
wenzelm
parents:
37820
diff
changeset

1233 

41594  1234 
* Antiquotation @{assert} inlines a function bool > unit that raises 
1235 
Fail if the argument is false. Due to inlining the source position of 

1236 
failed assertions is included in the error output. 

1237 

1238 
* Discontinued antiquotation @{theory_ref}, which is obsolete since ML 

1239 
text is in practice always evaluated with a stable theory checkpoint. 

1240 
Minor INCOMPATIBILITY, use (Theory.check_thy @{theory}) instead. 

1241 

1242 
* Antiquotation @{theory A} refers to theory A from the ancestry of 

1243 
the current context, not any accidental theory loader state as before. 

1244 
Potential INCOMPATIBILITY, subtle change in semantics. 

41228
e1fce873b814
renamed structure MetaSimplifier to raw_Simplifer, to emphasize its meaning;
wenzelm
parents:
41079
diff
changeset

1245 

40956  1246 
* Syntax.pretty_priority (default 0) configures the required priority 
1247 
of prettyprinted output and thus affects insertion of parentheses. 

1248 

40959  1249 
* Syntax.default_root (default "any") configures the inner syntax 
1250 
category (nonterminal symbol) for parsing of terms. 

1251 

40722
441260986b63
make two copies (!) of Library.UnequalLengths coincide with ListPair.UnequalLengths;
wenzelm
parents:
40712
diff
changeset

1252 
* Former exception Library.UnequalLengths now coincides with 
441260986b63
make two copies (!) of Library.UnequalLengths coincide with ListPair.UnequalLengths;
wenzelm
parents:
40712
diff
changeset

1253 
ListPair.UnequalLengths. 
441260986b63
make two copies (!) of Library.UnequalLengths coincide with ListPair.UnequalLengths;
wenzelm
parents:
40712
diff
changeset

1254 

41594  1255 
* Renamed structure MetaSimplifier to Raw_Simplifier. Note that the 
1256 
main functionality is provided by structure Simplifier. 

1257 

40627
becf5d5187cc
renamed raw "explode" function to "raw_explode" to emphasize its meaning;
wenzelm
parents:
40624
diff
changeset

1258 
* Renamed raw "explode" function to "raw_explode" to emphasize its 
becf5d5187cc
renamed raw "explode" function to "raw_explode" to emphasize its meaning;
wenzelm
parents:
40624
diff
changeset

1259 
meaning. Note that internally to Isabelle, Symbol.explode is used in 
becf5d5187cc
renamed raw "explode" function to "raw_explode" to emphasize its meaning;
wenzelm
parents:
40624
diff
changeset

1260 
almost all situations. 
becf5d5187cc
renamed raw "explode" function to "raw_explode" to emphasize its meaning;
wenzelm
parents:
40624
diff
changeset

1261 

40318
035b2afbeb2e
discontinued obsolete function sys_error and exception SYS_ERROR;
wenzelm
parents:
40295
diff
changeset

1262 
* Discontinued obsolete function sys_error and exception SYS_ERROR. 
035b2afbeb2e
discontinued obsolete function sys_error and exception SYS_ERROR;
wenzelm
parents:
40295
diff
changeset

1263 
See implementation manual for further details on exceptions in 
035b2afbeb2e
discontinued obsolete function sys_error and exception SYS_ERROR;
wenzelm
parents:
40295
diff
changeset

1264 
Isabelle/ML. 
035b2afbeb2e
discontinued obsolete function sys_error and exception SYS_ERROR;
wenzelm
parents:
40295
diff
changeset

1265 

39616
8052101883c3
renamed setmp_noncritical to Unsynchronized.setmp to emphasize its meaning;
wenzelm
parents:
39557
diff
changeset

1266 
* Renamed setmp_noncritical to Unsynchronized.setmp to emphasize its 
8052101883c3
renamed setmp_noncritical to Unsynchronized.setmp to emphasize its meaning;
wenzelm
parents:
39557
diff
changeset

1267 
meaning. 
8052101883c3
renamed setmp_noncritical to Unsynchronized.setmp to emphasize its meaning;
wenzelm
parents:
39557
diff
changeset

1268 

39557
fe5722fce758
renamed structure PureThy to Pure_Thy and moved most content to Global_Theory, to emphasize that this is globalonly;
wenzelm
parents:
39513
diff
changeset

1269 
* Renamed structure PureThy to Pure_Thy and moved most of its 
fe5722fce758
renamed structure PureThy to Pure_Thy and moved most content to Global_Theory, to emphasize that this is globalonly;
wenzelm
parents:
39513
diff
changeset

1270 
operations to structure Global_Theory, to emphasize that this is 
fe5722fce758
renamed structure PureThy to Pure_Thy and moved most content to Global_Theory, to emphasize that this is globalonly;
wenzelm
parents:
39513
diff
changeset

1271 
rarelyused globalonly stuff. 
fe5722fce758
renamed structure PureThy to Pure_Thy and moved most content to Global_Theory, to emphasize that this is globalonly;
wenzelm
parents:
39513
diff
changeset

1272 

39513
fce2202892c4
discontinued Output.debug, which belongs to early PGIP experiments (b6788dbd2ef9) and causes just too many problems (like spamming the message channel if it is used by more than one module);
wenzelm
parents:
39308
diff
changeset

1273 
* Discontinued Output.debug. Minor INCOMPATIBILITY, use plain writeln 
fce2202892c4
discontinued Output.debug, which belongs to early PGIP experiments (b6788dbd2ef9) and causes just too many problems (like spamming the message channel if it is used by more than one module);
wenzelm
parents:
39308
diff
changeset

1274 
instead (or tracing for highvolume output). 
fce2202892c4
discontinued Output.debug, which belongs to early PGIP experiments (b6788dbd2ef9) and causes just too many problems (like spamming the message channel if it is used by more than one module);
wenzelm
parents:
39308
diff
changeset

1275 

38980
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

1276 
* Configuration option show_question_marks only affects regular pretty 
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

1277 
printing of types and terms, not raw Term.string_of_vname. 
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

1278 

39164
e7e12555e763
ML_Context.thm and ML_Context.thms no longer pervasive;
wenzelm
parents:
39154
diff
changeset

1279 
* ML_Context.thm and ML_Context.thms are no longer pervasive. Rare 
e7e12555e763
ML_Context.thm and ML_Context.thms no longer pervasive;
wenzelm
parents:
39154
diff
changeset

1280 
INCOMPATIBILITY, superseded by static antiquotations @{thm} and 
e7e12555e763
ML_Context.thm and ML_Context.thms no longer pervasive;
wenzelm
parents:
39154
diff
changeset

1281 
@{thms} for most purposes. 
e7e12555e763
ML_Context.thm and ML_Context.thms no longer pervasive;
wenzelm
parents:
39154
diff
changeset

1282 

41594  1283 
* ML structure Unsynchronized is never opened, not even in Isar 
38980
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

1284 
interaction mode as before. Old Unsynchronized.set etc. have been 
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

1285 
discontinued  use plain := instead. This should be *rare* anyway, 
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

1286 
since modern tools always work via official context data, notably 
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

1287 
configuration options. 
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

1288 

39239  1289 
* Parallel and asynchronous execution requires special care concerning 
1290 
interrupts. Structure Exn provides some convenience functions that 

1291 
avoid working directly with raw Interrupt. User code must not absorb 

1292 
interrupts  intermediate handling (for cleanup etc.) needs to be 

1293 
followed by reraising of the original exception. Another common 

1294 
source of mistakes are "handle _" patterns, which make the meaning of 

1295 
the program subject to physical effects of the environment. 

1296 

37868
59eed00bfd8e
ML antiquotations @{theory} and @{theory_ref} refer to the theory ancestry, not any accidental theory loader state;
wenzelm
parents:
37820
diff
changeset

1297 

59eed00bfd8e
ML antiquotations @{theory} and @{theory_ref} refer to the theory ancestry, not any accidental theory loader state;
wenzelm
parents:
37820
diff
changeset

1298 

37144  1299 
New in Isabelle20092 (June 2010) 
1300 
 

33993  1301 

35260  1302 
*** General *** 
1303 

35436  1304 
* Authentic syntax for *all* logical entities (type classes, type 
1305 
constructors, term constants): provides simple and robust 

1306 
correspondence between formal entities and concrete syntax. Within 

1307 
the parse tree / AST representations, "constants" are decorated by 

1308 
their category (class, type, const) and spelled out explicitly with 

1309 
their full internal name. 

1310 

1311 
Substantial INCOMPATIBILITY concerning lowlevel syntax declarations 

1312 
and translations (translation rules and translation functions in ML). 

1313 
Some hints on upgrading: 

35260  1314 

1315 
 Many existing uses of 'syntax' and 'translations' can be replaced 

35436  1316 
by more modern 'type_notation', 'notation' and 'abbreviation', 
1317 
which are independent of this issue. 

35260  1318 

1319 
 'translations' require markup within the AST; the term syntax 

1320 
provides the following special forms: 

1321 

1322 
CONST c  produces syntax version of constant c from context 

35261  1323 
XCONST c  literally c, checked as constant from context 
1324 
c  literally c, if declared by 'syntax' 

1325 

1326 
Plain identifiers are treated as AST variables  occasionally the 

1327 
system indicates accidental variables via the error "rhs contains 

1328 
extra variables". 

35260  1329 

35436  1330 
Type classes and type constructors are marked according to their 
1331 
concrete syntax. Some old translations rules need to be written 

1332 
for the "type" category, using type constructor application 

1333 
instead of pseudoterm application of the default category 

1334 
"logic". 

1335 

35260  1336 
 'parse_translation' etc. in ML may use the following 
1337 
antiquotations: 

1338 

35436  1339 
@{class_syntax c}  type class c within parse tree / AST 
1340 
@{term_syntax c}  type constructor c within parse tree / AST 

35260  1341 
@{const_syntax c}  ML version of "CONST c" above 
1342 
@{syntax_const c}  literally c (checked wrt. 'syntax' declarations) 

1343 

35436  1344 
 Literal types within 'typed_print_translations', i.e. those *not* 
1345 
represented as pseudoterms are represented verbatim. Use @{class 

1346 
c} or @{type_name c} here instead of the above syntax 

1347 
antiquotations. 

1348 

35260  1349 
Note that old nonauthentic syntax was based on unqualified base 
35436  1350 
names, so all of the above "constant" names would coincide. Recall 
1351 
that 'print_syntax' and ML_command "set Syntax.trace_ast" help to 

1352 
diagnose syntax problems. 

35260  1353 

35351
7425aece4ee3
allow general mixfix syntax for type constructors;
wenzelm
parents:
35306
diff
changeset

1354 
* Type constructors admit general mixfix syntax, not just infix. 
7425aece4ee3
allow general mixfix syntax for type constructors;
wenzelm
parents:
35306
diff
changeset

1355 

36508
03d2a2d0ee4a
allow concrete syntax for local entities within a proof body, either via regular mixfix annotations to 'fix' etc. or the separate 'write' command;
wenzelm
parents:
36461
diff
changeset

1356 
* Concrete syntax may be attached to local entities without a proof 
03d2a2d0ee4a
allow concrete syntax for local entities within a proof body, either via regular mixfix annotations to 'fix' etc. or the separate 'write' command;
wenzelm
parents:
36461
diff
changeset

1357 
body, too. This works via regular mixfix annotations for 'fix', 
03d2a2d0ee4a
allow concrete syntax for local entities within a proof body, either via regular mixfix annotations to 'fix' etc. or the separate 'write' command;
wenzelm
parents:
36461
diff
changeset

1358 
'def', 'obtain' etc. or via the explicit 'write' command, which is 
03d2a2d0ee4a
allow concrete syntax for local entities within a proof body, either via regular mixfix annotations to 'fix' etc. or the separate 'write' command;
wenzelm
parents:
36461
diff
changeset

1359 
similar to the 'notation' command in theory specifications. 
03d2a2d0ee4a
allow concrete syntax for local entities within a proof body, either via regular mixfix annotations to 'fix' etc. or the separate 'write' command;
wenzelm
parents:
36461
diff
changeset

1360 

37351  1361 
* Discontinued unnamed infix syntax (legacy feature for many years)  
1362 
need to specify constant name and syntax separately. Internal ML 

1363 
datatype constructors have been renamed from InfixName to Infix etc. 

1364 
Minor INCOMPATIBILITY. 

1365 

1366 
* Schematic theorem statements need to be explicitly markup as such, 

1367 
via commands 'schematic_lemma', 'schematic_theorem', 

1368 
'schematic_corollary'. Thus the relevance of the proof is made 

1369 
syntactically clear, which impacts performance in a parallel or 

1370 
asynchronous interactive environment. Minor INCOMPATIBILITY. 

1371 

35613  1372 
* Use of cumulative prems via "!" in some proof methods has been 
37351  1373 
discontinued (old legacy feature). 
35613  1374 

35979
12bb31230550
replaced references 'trace_simp' and 'debug_simp' by configuration options stored in the context
boehmes
parents:
35845
diff
changeset

1375 
* References 'trace_simp' and 'debug_simp' have been replaced by 
36857  1376 
configuration options stored in the context. Enabling tracing (the 
1377 
case of debugging is similar) in proofs works via 

1378 

1379 
using [[trace_simp = true]] 

1380 

1381 
Tracing is then active for all invocations of the simplifier in 

1382 
subsequent goal refinement steps. Tracing may also still be enabled or 

40780
1cabd6f4a718
recovered Isabelle20092 NEWS  published part is readonly;
wenzelm
parents:
40771
diff
changeset

1383 
disabled via the ProofGeneral settings menu. 
35979
12bb31230550
replaced references 'trace_simp' and 'debug_simp' by configuration options stored in the context
boehmes
parents:
35845
diff
changeset

1384 

36177
8e0770d2e499
separate commands 'hide_class', 'hide_type', 'hide_const', 'hide_fact';
wenzelm
parents:
36162
diff
changeset

1385 
* Separate commands 'hide_class', 'hide_type', 'hide_const', 
8e0770d2e499
separate commands 'hide_class', 'hide_type', 'hide_const', 'hide_fact';
wenzelm
parents:
36162
diff
changeset

1386 
'hide_fact' replace the former 'hide' KIND command. Minor 
8e0770d2e499
separate commands 'hide_class', 'hide_type', 'hide_const', 'hide_fact';
wenzelm
parents:
36162
diff
changeset

1387 
INCOMPATIBILITY. 
8e0770d2e499
separate commands 'hide_class', 'hide_type', 'hide_const', 'hide_fact';
wenzelm
parents:
36162
diff
changeset

1388 

37298
1f3ca94ccb84
improved parallelism of proof term normalization;
wenzelm
parents:
37273
diff
changeset

1389 
* Improved parallelism of proof term normalization: usedir p2 q0 is 
1f3ca94ccb84
improved parallelism of proof term normalization;
wenzelm
parents:
37273
diff
changeset

1390 
more efficient than combinations with q1 or q2. 
1f3ca94ccb84
improved parallelism of proof term normalization;
wenzelm
parents:
37273
diff
changeset

1391 

35260  1392 

34170
254ac75e4c38
reduced code generator cache to the baremost minimum; corrected spelling
haftmann
parents:
34076
diff
changeset

1393 
*** Pure *** 
254ac75e4c38
reduced code generator cache to the baremost minimum; corrected spelling
haftmann
parents:
34076
diff
changeset

1394 

37351  1395 
* Proofterms record typeclass reasoning explicitly, using the 
1396 
"unconstrain" operation internally. This eliminates all sort 

1397 
constraints from a theorem and proof, introducing explicit 

1398 
OFCLASSpremises. On the proof term level, this operation is 

1399 
automatically applied at theorem boundaries, such that closed proofs 

1400 
are always free of sort constraints. INCOMPATIBILITY for tools that 

1401 
inspect proof terms. 

36147
b43b22f63665
theory RBT with abstract type of redblack trees backed by implementation RBT_Impl
haftmann
parents:
36096
diff
changeset

1402 

35765
09e238561460
local theory specifications handle hidden polymorphism implicitly;
wenzelm
parents:
35763
diff
changeset

1403 
* Local theory specifications may depend on extra type variables that 
09e238561460
local theory specifications handle hidden polymorphism implicitly;
wenzelm
parents:
35763
diff
changeset

1404 
are not present in the result type  arguments TYPE('a) :: 'a itself 
09e238561460
local theory specifications handle hidden polymorphism implicitly;
wenzelm
parents:
35763
diff
changeset

1405 
are added internally. For example: 
09e238561460
local theory specifications handle hidden polymorphism implicitly;
wenzelm
parents:
35763
diff
changeset

1406 

09e238561460
local theory specifications handle hidden polymorphism implicitly;
wenzelm
parents:
35763
diff
changeset

1407 
definition unitary :: bool where "unitary = (ALL (x::'a) y. x = y)" 
09e238561460
local theory specifications handle hidden polymorphism implicitly;
wenzelm 