author  haftmann 
Thu, 23 Dec 2010 12:20:09 +0100  
changeset 41398  f2bb6541f532 
parent 41397  f5e14d6f5eba 
child 41401  e3ec82999306 
permissions  rwrr 
5363  1 
Isabelle NEWS  history userrelevant changes 
2 
============================================== 

2553  3 

37383  4 
New in this Isabelle version 
5 
 

6 

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*** General *** 
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8 

40948  9 
* Significantly improved Isabelle/Isar implementation manual. 
10 

40947  11 
* Source files are always encoded as UTF8, instead of oldfashioned 
12 
ISOLatin1. INCOMPATIBILITY. Isabelle LaTeX documents might require 

40948  13 
the following package declarations: 
40947  14 

15 
\usepackage[utf8]{inputenc} 

16 
\usepackage{textcomp} 

17 

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* Explicit treatment of UTF8 sequences as Isabelle symbols, such that 
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explicit treatment of UTF8 sequences as Isabelle symbols;
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a Unicode character is treated as a single symbol, not a sequence of 
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explicit treatment of UTF8 sequences as Isabelle symbols;
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20 
nonASCII bytes as before. Since Isabelle/ML string literals may 
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explicit treatment of UTF8 sequences as Isabelle symbols;
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21 
contain symbols without further backslash escapes, Unicode can now be 
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explicit treatment of UTF8 sequences as Isabelle symbols;
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22 
used here as well. Recall that Symbol.explode in ML provides a 
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explicit treatment of UTF8 sequences as Isabelle symbols;
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23 
consistent view on symbols, while raw explode (or String.explode) 
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explicit treatment of UTF8 sequences as Isabelle symbols;
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24 
merely give a byteoriented representation. 
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25 

40948  26 
* System settings: ISABELLE_HOME_USER now includes ISABELLE_IDENTIFIER 
27 
(and thus refers to something like $HOME/.isabelle/IsabelleXXXX), 

28 
while the default heap location within that directory lacks that extra 

29 
suffix. This isolates multiple Isabelle installations from each 

30 
other, avoiding problems with old settings in new versions. 

31 
INCOMPATIBILITY, need to copy/upgrade old user settings manually. 

32 

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* Theory loading: only the master source file is lookedup in the 
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theory loading: only the master source file is lookedup in the implicit load path;
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implicit load path, all other files are addressed relatively to its 
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theory loading: only the master source file is lookedup in the implicit load path;
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directory. Minor INCOMPATIBILITY, subtle change in semantics. 
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theory loading: only the master source file is lookedup in the implicit load path;
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36 

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* Special treatment of ML file names has been discontinued. 
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discontinued special treatment of ML files  no longer complete extensions on demand;
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38 
Historically, optional extensions .ML or .sml were added on demand  
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discontinued special treatment of ML files  no longer complete extensions on demand;
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at the cost of clarity of file dependencies. Recall that Isabelle/ML 
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files exclusively use the .ML extension. Minor INCOMPATIBILTY. 
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discontinued special treatment of ML files  no longer complete extensions on demand;
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41 

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turned show_question_marks into proper configuration option;
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* Various options that affect pretty printing etc. are now properly 
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handled within the context via configuration options, instead of 
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unsynchronized references or print modes. There are both ML Config.T 
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entities and Isar declaration attributes to access these. 
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46 

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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;
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ML (Config.T) Isar (attribute) 
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48 

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turned eta_contract into proper configuration option;
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eta_contract eta_contract 
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turned show_brackets into proper configuration option;
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show_brackets show_brackets 
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turned show_sorts/show_types into proper configuration options;
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show_sorts show_sorts 
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show_types show_types 
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configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
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show_question_marks show_question_marks 
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configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
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show_consts show_consts 
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show_abbrevs show_abbrevs 
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configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
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56 

41379  57 
Syntax.ast_trace syntax_ast_trace 
58 
Syntax.ast_stat syntax_ast_stat 

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configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
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Syntax.ambiguity_level syntax_ambiguity_level 
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configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
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60 

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configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
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Goal_Display.goals_limit goals_limit 
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configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
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Goal_Display.show_main_goal show_main_goal 
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configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
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63 

41379  64 
Method.rule_trace rule_trace 
65 

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Thy_Output.display thy_output_display 
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Thy_Output.quotes thy_output_quotes 
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Thy_Output.indent thy_output_indent 
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Thy_Output.source thy_output_source 
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Thy_Output.break thy_output_break 
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Note that corresponding "..._default" references in ML may be only 
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changed globally at the ROOT session setup, but *not* within a theory. 
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The option "show_abbrevs" supersedes the former print mode 
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"no_abbrevs" with inverted meaning. 
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* More systematic naming of some configuration options. 
41294  78 
INCOMPATIBILITY. 
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trace_simp ~> simp_trace 
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debug_simp ~> simp_debug 
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40291  83 
* Support for real valued configuration options, using simplistic 
84 
floatingpoint notation that coincides with the inner syntax for 

85 
float_token. 

86 

40948  87 

88 
*** Pure *** 

89 

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* Command 'type_synonym' (with single argument) replaces somewhat 
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outdated 'types', which is still available as legacy feature for some 
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time. 
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* Command 'nonterminal' (with 'and' separated list of arguments) 
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replaces somewhat outdated 'nonterminals'. INCOMPATIBILITY. 
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replaced command 'nonterminals' by slightly modernized version 'nonterminal';
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command 'notepad' replaces former 'example_proof';
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* Command 'notepad' replaces former 'example_proof' for 
41020  98 
experimentation in Isar without any result. INCOMPATIBILITY. 
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99 

40292  100 
* Support for real valued preferences (with approximative PGIP type). 
101 

38110  102 
* Interpretation command 'interpret' accepts a list of equations like 
103 
'interpretation' does. 

104 

105 
* Diagnostic command 'print_interps' prints interpretations in proofs 

106 
in addition to interpretations in theories. 

107 

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* Discontinued obsolete 'global' and 'local' commands to manipulate 
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the theory name space. Rare INCOMPATIBILITY. The ML functions 
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Sign.root_path and Sign.local_path may be applied directly where this 
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feature is still required for historical reasons. 
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40948  113 
* Discontinued obsolete 'constdefs' command. INCOMPATIBILITY, use 
39215  114 
'definition' instead. 
115 

40801  116 
* Document antiquotations @{class} and @{type} print classes and type 
117 
constructors. 

118 

119 
* Document antiquotation @{file} checks file/directory entries within 

120 
the local file system. 

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121 

38110  122 

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qualified types "+" and nat; qualified constants Ball, Bex, Suc, curry; modernized some specifications
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*** HOL *** 
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124 

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* Functions can be declared as coercions and type inference will add 
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them as necessary upon input of a term. In theory Complex_Main, 
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real :: nat => real and real :: int => real are declared as 
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coercions. A new coercion function f is declared like this: 
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declare [[coercion f]] 
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132 
To lift coercions through type constructors (eg from nat => real to 

133 
nat list => real list), map functions can be declared, e.g. 

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declare [[coercion_map map]] 
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Currently coercion inference is activated only in theories including 
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real numbers, i.e. descendants of Complex_Main. This is controlled by 
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the configuration option "coercion_enabled", e.g. it can be enabled in 
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other theories like this: 
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declare [[coercion_enabled]] 
40866  143 

40183  144 
* New command 'partial_function' provides basic support for recursive 
40194  145 
function definitions over complete partial orders. Concrete instances 
40183  146 
are provided for i) the option type, ii) tail recursion on arbitrary 
147 
types, and iii) the heap monad of Imperative_HOL. See 

148 
HOL/ex/Fundefs.thy and HOL/Imperative_HOL/ex/Linked_Lists.thy for 

149 
examples. 

150 

41398  151 
* Scala (2.8 or higher) has been added to the target languages of the 
152 
code generator. 

153 

154 
* Inductive package: offers new command 'inductive_simps' to 

155 
automatically derive instantiated and simplified equations for 

156 
inductive predicates, similar to 'inductive_cases'. 

157 

158 
* Function package: .psimps rules are no longer implicitly declared 

159 
[simp]. INCOMPATIBILITY. 

160 

161 
* Datatype package: theorems generated for executable equality (class 

162 
eq) carry proper names and are treated as default code equations. 

163 

41397  164 
* New command 'type_lifting' allows to register properties on 
165 
the functorial structure of types. 

166 

41398  167 
* Weaker versions of the "meson" and "metis" proof methods are now 
168 
available in "HOLPlain", without dependency on "Hilbert_Choice". The 

169 
proof methods become more powerful after "Hilbert_Choice" is loaded in 

170 
"HOLMain". 

39771  171 

39644  172 
* Improved infrastructure for term evaluation using code generator 
173 
techniques, in particular static evaluation conversions. 

174 

41398  175 
* Code generator: globbing constant expressions "*" and "Theory.*" 
176 
have been replaced by the more idiomatic "_" and "Theory._". 

177 
INCOMPATIBILITY. 

178 

179 
* Code generator: export_code without explicit file declaration prints 

180 
to standard output. INCOMPATIBILITY. 

181 

182 
* Code generator: do not print function definitions for case 

183 
combinators any longer. 

184 

185 
* Simplification with rules determined by code generator 

186 
with code_simp.ML and method code_simp. 

187 

188 
* Records: logical foundation type for records does not carry a '_type' 

40948  189 
suffix any longer. INCOMPATIBILITY. 
190 

191 
* Code generation for records: more idiomatic representation of record 

192 
types. Warning: records are not covered by ancient SML code 

193 
generation any longer. INCOMPATIBILITY. In cases of need, a suitable 

194 
rep_datatype declaration helps to succeed then: 

38537  195 

196 
record 'a foo = ... 

197 
... 

198 
rep_datatype foo_ext ... 

38535  199 

41398  200 
* Quickcheck now by default uses exhaustive testing instead of random 
201 
testing. Random testing can be invoked by quickcheck[random], 

202 
exhaustive testing by quickcheck[exhaustive]. 

203 

204 
* Quickcheck instantiates polymorphic types with small finite 

205 
datatypes by default. This enables a simple execution mechanism to 

206 
handle quantifiers and function equality over the finite datatypes. 

207 

208 
* Quickcheck's generator for random generation is renamed from "code" 

209 
to "random". INCOMPATIBILITY. 

210 

211 
* Quickcheck now has a configurable time limit which is set to 30 

212 
seconds by default. This can be changed by adding [timeout = n] to the 

213 
quickcheck command. The time limit for Auto Quickcheck is still set 

214 
independently. 

38461  215 

216 
* Quickcheck in locales considers interpretations of that locale for 

217 
counter example search. 

218 

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* Sledgehammer: 
40600  220 
 Added "smt" and "remote_smt" provers based on the "smt" proof method. See 
221 
the Sledgehammer manual for details ("isabelle doc sledgehammer"). 

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 Renamed lemmas: 
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COMBI_def ~> Meson.COMBI_def 
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COMBK_def ~> Meson.COMBK_def 
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COMBB_def ~> Meson.COMBB_def 
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226 
COMBC_def ~> Meson.COMBC_def 
6ad9081665db
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227 
COMBS_def ~> Meson.COMBS_def 
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228 
abs_I ~> Meson.abs_I 
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229 
abs_K ~> Meson.abs_K 
6ad9081665db
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230 
abs_B ~> Meson.abs_B 
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231 
abs_C ~> Meson.abs_C 
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232 
abs_S ~> Meson.abs_S 
6ad9081665db
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233 
INCOMPATIBILITY. 
6ad9081665db
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blanchet
parents:
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diff
changeset

234 
 Renamed commands: 
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
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diff
changeset

235 
sledgehammer atp_info ~> sledgehammer running_provers 
6ad9081665db
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236 
sledgehammer atp_kill ~> sledgehammer kill_provers 
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
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237 
sledgehammer available_atps ~> sledgehammer available_provers 
6ad9081665db
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238 
INCOMPATIBILITY. 
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
blanchet
parents:
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diff
changeset

239 
 Renamed options: 
6ad9081665db
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blanchet
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240 
sledgehammer [atps = ...] ~> sledgehammer [provers = ...] 
40062  241 
sledgehammer [atp = ...] ~> sledgehammer [prover = ...] 
40341
03156257040f
standardize on seconds for Nitpick and Sledgehammer timeouts
blanchet
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242 
sledgehammer [timeout = 77 s] ~> sledgehammer [timeout = 77] 
03156257040f
standardize on seconds for Nitpick and Sledgehammer timeouts
blanchet
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diff
changeset

243 
(and "ms" and "min" are no longer supported) 
03156257040f
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blanchet
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244 
INCOMPATIBILITY. 
03156257040f
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blanchet
parents:
40318
diff
changeset

245 

40948  246 
* Metis and Meson now have configuration options "meson_trace", 
247 
"metis_trace", and "metis_verbose" that can be enabled to diagnose 

248 
these tools. E.g. 

40725  249 

250 
using [[metis_trace = true]] 

251 

40341
03156257040f
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changeset

252 
* Nitpick: 
03156257040f
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changeset

253 
 Renamed options: 
03156257040f
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254 
nitpick [timeout = 77 s] ~> nitpick [timeout = 77] 
03156257040f
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changeset

255 
nitpick [tac_timeout = 777 ms] ~> nitpick [tac_timeout = 0.777] 
40059
6ad9081665db
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256 
INCOMPATIBILITY. 
40725  257 
 Now requires Kodkodi 1.2.9. INCOMPATIBILITY. 
258 
 Added support for partial quotient types. 

259 
 Added local versions of the "Nitpick.register_xxx" functions. 

260 
 Added "whack" option. 

261 
 Allow registration of quotient types as codatatypes. 

262 
 Improved "merge_type_vars" option to merge more types. 

263 
 Removed unsound "fast_descrs" option. 

264 
 Added custom symmetry breaking for datatypes, making it possible to reach 

265 
higher cardinalities. 

266 
 Prevent the expansion of too large definitions. 

39957
2f2d90cc31a2
document latest changes to Meson/Metis/Sledgehammer
blanchet
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changeset

267 

41398  268 
* Auto Solve: Renamed "Auto Solve Direct". The tool is now available 
269 
manually as command 'solve_direct'. 

270 

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
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271 
* Changed SMT configuration options: 
7f58a9a843c2
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272 
 Renamed: 
7f58a9a843c2
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273 
z3_proofs ~> smt_oracle (with swapped semantics) 
7f58a9a843c2
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parents:
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274 
z3_trace_assms ~> smt_trace_used_facts 
7f58a9a843c2
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275 
INCOMPATIBILITY. 
7f58a9a843c2
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boehmes
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276 
 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:
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diff
changeset

277 
smt_verbose 
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
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changeset

278 
smt_datatypes 
40162
7f58a9a843c2
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boehmes
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279 
cvc3_options 
7f58a9a843c2
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boehmes
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changeset

280 
yices_options 
39957
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changeset

281 

40948  282 
* Boogie output files (.b2i files) need to be declared in the theory 
283 
header. 

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

284 

41398  285 
* Dropped syntax for old primrec package. INCOMPATIBILITY. 
286 

287 
* Multivariate Analysis: Introduced a type class for euclidean 

288 
space. Most theorems are now stated in terms of euclidean spaces 

289 
instead of finite cartesian products. 

290 

291 
types 

292 
real ^ 'n ~> 'a::real_vector 

293 
~> 'a::euclidean_space 

294 
~> 'a::ordered_euclidean_space 

295 
(depends on your needs) 

296 

297 
constants 

298 
_ $ _ ~> _ $$ _ 

299 
\<chi> x. _ ~> \<chi>\<chi> x. _ 

300 
CARD('n) ~> DIM('a) 

301 

302 
Also note that the indices are now natural numbers and not from some 

303 
finite type. Finite cartesian products of euclidean spaces, products 

304 
of euclidean spaces the real and complex numbers are instantiated to 

305 
be euclidean_spaces. INCOMPATIBILITY. 

306 

307 
* Probability: Introduced pextreal as positive extended real numbers. 

308 
Use pextreal as value for measures. Introduce the RadonNikodym 

309 
derivative, product spaces and Fubini's theorem for arbitrary sigma 

310 
finite measures. Introduces Lebesgue measure based on the integral in 

311 
Multivariate Analysis. INCOMPATIBILITY. 

312 

313 
* Session Imperative_HOL: revamped, corrected dozens of inadequacies. 

314 
INCOMPATIBILITY. 

315 

316 
* Theory Library/Monad_Syntax provides dosyntax for monad types. 

317 
Syntax in Library/State_Monad has been changed to avoid ambiguities. 

318 
INCOMPATIBILITY. 

319 

320 
* Theory SetsAndFunctions has been split into Function_Algebras and 

321 
Set_Algebras; canonical names for instance definitions for functions; 

322 
various improvements. INCOMPATIBILITY. 

323 

324 
* Theory Multiset provides stable quicksort implementation of 

325 
sort_key. 

326 

327 
* Theory Enum (for explicit enumerations of finite types) is now part 

328 
of the HOLMain image. INCOMPATIBILITY: all constants of the Enum 

329 
theory now have to be referred to by its qualified name. 

330 

331 
enum ~> Enum.enum 

332 
nlists ~> Enum.nlists 

333 
product ~> Enum.product 

334 

335 
* Removed simplifier congruence rule of "prod_case", as has for long 

336 
been the case with "split". INCOMPATIBILITY. 

337 

338 
* String.literal is a type, but not a datatype. INCOMPATIBILITY. 

339 

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

340 
* 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

341 
[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

342 

41398  343 
* Predicate "sorted" now defined inductively, with 
344 
nice induction rules. INCOMPATIBILITY: former sorted.simps now 

345 
named sorted_simps. 

346 

347 
* Constant "contents" renamed to "the_elem", to free the generic name 

348 
contents for other uses. INCOMPATIBILITY. 

349 

350 
* Renamed class eq and constant eq (for code generation) to class 

351 
equal and constant equal, plus renaming of related facts and various 

352 
tuning. INCOMPATIBILITY. 

353 

354 
* Dropped type classes mult_mono and mult_mono1. INCOMPATIBILITY. 

355 

356 
* Removed output syntax "'a ~=> 'b" for "'a => 'b option". INCOMPATIBILITY. 

357 

358 
* Renamed theory Fset to Cset, type Fset.fset to Cset.set, in order to 

359 
avoid confusion with finite sets. INCOMPATIBILITY. 

360 

361 
* Multiset.thy: renamed empty_idemp ~> empty_neutral. INCOMPATIBILITY. 

362 

363 
* Abandoned locales equiv, congruent and congruent2 for equivalence 

364 
relations. INCOMPATIBILITY: use equivI rather than equiv_intro (same 

365 
for congruent(2)). 

366 

367 
* Some previously unqualified names have been qualified: 

368 

369 
types 

370 
bool ~> HOL.bool 

371 
nat ~> Nat.nat 

372 

373 
constants 

374 
Trueprop ~> HOL.Trueprop 

375 
True ~> HOL.True 

376 
False ~> HOL.False 

377 
op & ~> HOL.conj 

378 
op  ~> HOL.disj 

379 
op > ~> HOL.implies 

380 
op = ~> HOL.eq 

381 
Not ~> HOL.Not 

382 
The ~> HOL.The 

383 
All ~> HOL.All 

384 
Ex ~> HOL.Ex 

385 
Ex1 ~> HOL.Ex1 

386 
Let ~> HOL.Let 

387 
If ~> HOL.If 

388 
Ball ~> Set.Ball 

389 
Bex ~> Set.Bex 

390 
Suc ~> Nat.Suc 

391 
Pair ~> Product_Type.Pair 

392 
fst ~> Product_Type.fst 

393 
snd ~> Product_Type.snd 

394 
curry ~> Product_Type.curry 

395 
op : ~> Set.member 

396 
Collect ~> Set.Collect 

397 

398 
INCOMPATIBILITY. 

399 

400 
* More canonical naming convention for some fundamental definitions: 

401 

402 
bot_bool_eq ~> bot_bool_def 

403 
top_bool_eq ~> top_bool_def 

404 
inf_bool_eq ~> inf_bool_def 

405 
sup_bool_eq ~> sup_bool_def 

406 
bot_fun_eq ~> bot_fun_def 

407 
top_fun_eq ~> top_fun_def 

408 
inf_fun_eq ~> inf_fun_def 

409 
sup_fun_eq ~> sup_fun_def 

410 

411 
INCOMPATIBILITY. 

412 

413 
* More stylized fact names: 

414 

415 
expand_fun_eq ~> fun_eq_iff 

416 
expand_set_eq ~> set_eq_iff 

417 
set_ext ~> set_eqI 

418 
nat_number ~> eval_nat_numeral 

419 

420 
INCOMPATIBILITY. 

421 

422 
* Refactoring of codegeneration specific operations in List.thy 

423 

424 
constants 

425 
null ~> List.null 

426 

427 
facts 

428 
mem_iff ~> member_def 

429 
null_empty ~> null_def 

430 

431 
INCOMPATIBILITY. Note that these were not supposed to be used 

432 
regularly unless for striking reasons; their main purpose was code 

433 
generation. 

434 

435 
Various operations from the Haskell prelude are used for generating 

436 
Haskell code. 

437 

438 
* MESON: Renamed lemmas: 

439 
meson_not_conjD ~> Meson.not_conjD 

440 
meson_not_disjD ~> Meson.not_disjD 

441 
meson_not_notD ~> Meson.not_notD 

442 
meson_not_allD ~> Meson.not_allD 

443 
meson_not_exD ~> Meson.not_exD 

444 
meson_imp_to_disjD ~> Meson.imp_to_disjD 

445 
meson_not_impD ~> Meson.not_impD 

446 
meson_iff_to_disjD ~> Meson.iff_to_disjD 

447 
meson_not_iffD ~> Meson.not_iffD 

448 
meson_not_refl_disj_D ~> Meson.not_refl_disj_D 

449 
meson_conj_exD1 ~> Meson.conj_exD1 

450 
meson_conj_exD2 ~> Meson.conj_exD2 

451 
meson_disj_exD ~> Meson.disj_exD 

452 
meson_disj_exD1 ~> Meson.disj_exD1 

453 
meson_disj_exD2 ~> Meson.disj_exD2 

454 
meson_disj_assoc ~> Meson.disj_assoc 

455 
meson_disj_comm ~> Meson.disj_comm 

456 
meson_disj_FalseD1 ~> Meson.disj_FalseD1 

457 
meson_disj_FalseD2 ~> Meson.disj_FalseD2 

458 
INCOMPATIBILITY. 

459 

460 
* "bij f" is now an abbreviation of "bij_betw f UNIV UNIV". "surj f" 

461 
is now an abbreviation of "range f = UNIV". The theorems bij_def and 

462 
surj_def are unchanged. INCOMPATIBILITY. 

463 

464 
* Abolished some nonalphabetic type names: "prod" and "sum" replace 

465 
"*" and "+" respectively. INCOMPATIBILITY. 

466 

467 
* Name "Plus" of disjoint sum operator "<+>" is now hidden. Write 

468 
Sum_Type.Plus. 

469 

470 
* Constant "split" has been merged with constant "prod_case"; names of 

471 
ML functions, facts etc. involving split have been retained so far, 

472 
though. INCOMPATIBILITY. 

473 

474 
* Dropped old infix syntax "_ mem _" for List.member; use "_ : set _" 

475 
instead. INCOMPATIBILITY. 

476 

477 
* Removed lemma Option.is_none_none (Duplicate of is_none_def). 

478 
INCOMPATIBILITY. 

479 

40621  480 

481 
*** HOLCF *** 

482 

483 
* The domain package now runs in definitional mode by default: The 

484 
former command 'new_domain' is now called 'domain'. To use the domain 

485 
package in its original axiomatic mode, use 'domain (unsafe)'. 

486 
INCOMPATIBILITY. 

487 

488 
* The new class 'domain' is now the default sort; the definitional 

489 
domain package and the powerdomain theories both require this class. 

490 
The new class 'predomain' is an unpointed version of 'domain'. 

491 
Theories can be updated by replacing sort annotations as shown below. 

492 
INCOMPATIBILITY. 

493 

494 
'a::type ~> 'a::countable 

495 
'a::cpo ~> 'a::predomain 

496 
'a::pcpo ~> 'a::domain 

497 

498 
* The old type class 'rep' has been superseded by class 'domain'. 

499 
Accordingly, users of the definitional package must remove any 

500 
'default_sort rep' declarations. INCOMPATIBILITY. 

501 

41286
3d7685a4a5ff
reintroduce 'bifinite' class, now with existentiallyquantified approx function (cf. b525988432e9)
huffman
parents:
41249
diff
changeset

502 
* The 'bifinite' class no longer fixes a constant 'approx'; the class 
3d7685a4a5ff
reintroduce 'bifinite' class, now with existentiallyquantified approx function (cf. b525988432e9)
huffman
parents:
41249
diff
changeset

503 
now just asserts that such a function exists. INCOMPATIBILITY. 
40621  504 

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

505 
* The type 'alg_defl' has been renamed to 'defl'. HOLCF no longer 
029a6fc1bfb8
type 'defl' takes a type parameter again (cf. b525988432e9)
huffman
parents:
41286
diff
changeset

506 
defines an embedding of type 'a defl into udom by default; instances 
029a6fc1bfb8
type 'defl' takes a type parameter again (cf. b525988432e9)
huffman
parents:
41286
diff
changeset

507 
of 'bifinite' and 'domain' classes are available in 
40621  508 
HOLCF/Library/Defl_Bifinite.thy. 
509 

510 
* The syntax 'REP('a)' has been replaced with 'DEFL('a)'. 

511 

512 
* The predicate 'directed' has been removed. INCOMPATIBILITY. 

513 

514 
* The type class 'finite_po' has been removed. INCOMPATIBILITY. 

515 

41297  516 
* The function 'cprod_map' has been renamed to 'prod_map'. 
517 

40621  518 
* Renamed some theorems (the original names are also still available). 
519 
expand_fun_below ~> fun_below_iff 

520 
below_fun_ext ~> fun_belowI 

521 
expand_cfun_eq ~> cfun_eq_iff 

522 
ext_cfun ~> cfun_eqI 

523 
expand_cfun_below ~> cfun_below_iff 

524 
below_cfun_ext ~> cfun_belowI 

525 
cont2cont_Rep_CFun ~> cont2cont_APP 

526 

527 
* The Abs and Rep functions for various types have changed names. 

40948  528 
Related theorem names have also changed to match. INCOMPATIBILITY. 
40621  529 
Rep_CFun ~> Rep_cfun 
530 
Abs_CFun ~> Abs_cfun 

531 
Rep_Sprod ~> Rep_sprod 

532 
Abs_Sprod ~> Abs_sprod 

533 
Rep_Ssum ~> Rep_ssum 

534 
Abs_Ssum ~> Abs_ssum 

535 

536 
* Lemmas with names of the form *_defined_iff or *_strict_iff have 

537 
been renamed to *_bottom_iff. INCOMPATIBILITY. 

538 

539 
* Various changes to bisimulation/coinduction with domain package: 

540 
 Definitions of 'bisim' constants no longer mention definedness. 

541 
 With mutual recursion, 'bisim' predicate is now curried. 

542 
 With mutual recursion, each type gets a separate coind theorem. 

543 
 Variable names in bisim_def and coinduct rules have changed. 

544 
INCOMPATIBILITY. 

545 

40948  546 
* Case combinators generated by the domain package for type 'foo' are 
547 
now named 'foo_case' instead of 'foo_when'. INCOMPATIBILITY. 

40621  548 

40771  549 
* Several theorems have been renamed to more accurately reflect the 
550 
names of constants and types involved. INCOMPATIBILITY. 

551 
thelub_const ~> lub_const 

552 
lub_const ~> is_lub_const 

553 
thelubI ~> lub_eqI 

554 
is_lub_lub ~> is_lubD2 

555 
lubI ~> is_lub_lub 

556 
unique_lub ~> is_lub_unique 

557 
is_ub_lub ~> is_lub_rangeD1 

558 
lub_bin_chain ~> is_lub_bin_chain 

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

559 
lub_fun ~> is_lub_fun 
ff7d177128ef
rename lub_fun > is_lub_fun, thelub_fun > lub_fun
huffman
parents:
40965
diff
changeset

560 
thelub_fun ~> lub_fun 
41031  561 
thelub_cfun ~> lub_cfun 
40771  562 
thelub_Pair ~> lub_Pair 
563 
lub_cprod ~> is_lub_prod 

564 
thelub_cprod ~> lub_prod 

565 
minimal_cprod ~> minimal_prod 

566 
inst_cprod_pcpo ~> inst_prod_pcpo 

567 

40621  568 
* Many legacy theorem names have been discontinued. INCOMPATIBILITY. 
569 
sq_ord_less_eq_trans ~> below_eq_trans 

570 
sq_ord_eq_less_trans ~> eq_below_trans 

571 
refl_less ~> below_refl 

572 
trans_less ~> below_trans 

573 
antisym_less ~> below_antisym 

574 
antisym_less_inverse ~> po_eq_conv [THEN iffD1] 

575 
box_less ~> box_below 

576 
rev_trans_less ~> rev_below_trans 

577 
not_less2not_eq ~> not_below2not_eq 

578 
less_UU_iff ~> below_UU_iff 

579 
flat_less_iff ~> flat_below_iff 

580 
adm_less ~> adm_below 

581 
adm_not_less ~> adm_not_below 

582 
adm_compact_not_less ~> adm_compact_not_below 

583 
less_fun_def ~> below_fun_def 

584 
expand_fun_less ~> fun_below_iff 

585 
less_fun_ext ~> fun_belowI 

586 
less_discr_def ~> below_discr_def 

587 
discr_less_eq ~> discr_below_eq 

588 
less_unit_def ~> below_unit_def 

589 
less_cprod_def ~> below_prod_def 

590 
prod_lessI ~> prod_belowI 

591 
Pair_less_iff ~> Pair_below_iff 

592 
fst_less_iff ~> fst_below_iff 

593 
snd_less_iff ~> snd_below_iff 

594 
expand_cfun_less ~> cfun_below_iff 

595 
less_cfun_ext ~> cfun_belowI 

596 
injection_less ~> injection_below 

597 
less_up_def ~> below_up_def 

598 
not_Iup_less ~> not_Iup_below 

599 
Iup_less ~> Iup_below 

600 
up_less ~> up_below 

601 
Def_inject_less_eq ~> Def_below_Def 

602 
Def_less_is_eq ~> Def_below_iff 

603 
spair_less_iff ~> spair_below_iff 

604 
less_sprod ~> below_sprod 

605 
spair_less ~> spair_below 

606 
sfst_less_iff ~> sfst_below_iff 

607 
ssnd_less_iff ~> ssnd_below_iff 

608 
fix_least_less ~> fix_least_below 

609 
dist_less_one ~> dist_below_one 

610 
less_ONE ~> below_ONE 

611 
ONE_less_iff ~> ONE_below_iff 

612 
less_sinlD ~> below_sinlD 

613 
less_sinrD ~> below_sinrD 

614 

615 

40948  616 
*** FOL and ZF *** 
38522  617 

41310  618 
* All constant names are now qualified internally and use proper 
619 
identifiers, e.g. "IFOL.eq" instead of "op =". INCOMPATIBILITY. 

620 

38522  621 

622 

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

623 
*** ML *** 
59eed00bfd8e
ML antiquotations @{theory} and @{theory_ref} refer to the theory ancestry, not any accidental theory loader state;
wenzelm
parents:
37820
diff
changeset

624 

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

625 
* Renamed structure MetaSimplifier to Raw_Simplifier. Note that the 
e1fce873b814
renamed structure MetaSimplifier to raw_Simplifer, to emphasize its meaning;
wenzelm
parents:
41079
diff
changeset

626 
main functionality is provided by structure Simplifier. 
e1fce873b814
renamed structure MetaSimplifier to raw_Simplifer, to emphasize its meaning;
wenzelm
parents:
41079
diff
changeset

627 

40956  628 
* Syntax.pretty_priority (default 0) configures the required priority 
629 
of prettyprinted output and thus affects insertion of parentheses. 

630 

40959  631 
* Syntax.default_root (default "any") configures the inner syntax 
632 
category (nonterminal symbol) for parsing of terms. 

633 

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

634 
* Former exception Library.UnequalLengths now coincides with 
441260986b63
make two copies (!) of Library.UnequalLengths coincide with ListPair.UnequalLengths;
wenzelm
parents:
40712
diff
changeset

635 
ListPair.UnequalLengths. 
441260986b63
make two copies (!) of Library.UnequalLengths coincide with ListPair.UnequalLengths;
wenzelm
parents:
40712
diff
changeset

636 

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

637 
* 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

638 
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

639 
almost all situations. 
becf5d5187cc
renamed raw "explode" function to "raw_explode" to emphasize its meaning;
wenzelm
parents:
40624
diff
changeset

640 

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

641 
* Discontinued obsolete function sys_error and exception SYS_ERROR. 
035b2afbeb2e
discontinued obsolete function sys_error and exception SYS_ERROR;
wenzelm
parents:
40295
diff
changeset

642 
See implementation manual for further details on exceptions in 
035b2afbeb2e
discontinued obsolete function sys_error and exception SYS_ERROR;
wenzelm
parents:
40295
diff
changeset

643 
Isabelle/ML. 
035b2afbeb2e
discontinued obsolete function sys_error and exception SYS_ERROR;
wenzelm
parents:
40295
diff
changeset

644 

40110  645 
* Antiquotation @{assert} inlines a function bool > unit that raises 
646 
Fail if the argument is false. Due to inlining the source position of 

647 
failed assertions is included in the error output. 

648 

40241
56fad09655a5
discontinued obsolete ML antiquotation @{theory_ref};
wenzelm
parents:
40194
diff
changeset

649 
* Discontinued antiquotation @{theory_ref}, which is obsolete since ML 
56fad09655a5
discontinued obsolete ML antiquotation @{theory_ref};
wenzelm
parents:
40194
diff
changeset

650 
text is in practice always evaluated with a stable theory checkpoint. 
56fad09655a5
discontinued obsolete ML antiquotation @{theory_ref};
wenzelm
parents:
40194
diff
changeset

651 
Minor INCOMPATIBILITY, use (Theory.check_thy @{theory}) instead. 
56fad09655a5
discontinued obsolete ML antiquotation @{theory_ref};
wenzelm
parents:
40194
diff
changeset

652 

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

653 
* 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

654 
meaning. 
8052101883c3
renamed setmp_noncritical to Unsynchronized.setmp to emphasize its meaning;
wenzelm
parents:
39557
diff
changeset

655 

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

656 
* 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

657 
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

658 
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

659 

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

660 
* 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

661 
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

662 

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

663 
* Configuration option show_question_marks only affects regular pretty 
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

664 
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

665 

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

666 
* 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

667 
INCOMPATIBILITY, superseded by static antiquotations @{thm} and 
e7e12555e763
ML_Context.thm and ML_Context.thms no longer pervasive;
wenzelm
parents:
39154
diff
changeset

668 
@{thms} for most purposes. 
e7e12555e763
ML_Context.thm and ML_Context.thms no longer pervasive;
wenzelm
parents:
39154
diff
changeset

669 

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

670 
* ML structure Unsynchronized never opened, not even in Isar 
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

671 
interaction mode as before. Old Unsynchronized.set etc. have been 
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

672 
discontinued  use plain := instead. This should be *rare* anyway, 
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

673 
since modern tools always work via official context data, notably 
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

674 
configuration options. 
af73cf0dc31f
turned show_question_marks into proper configuration option;
wenzelm
parents:
38864
diff
changeset

675 

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

676 
* ML antiquotations @{theory} and @{theory_ref} refer to named 
59eed00bfd8e
ML antiquotations @{theory} and @{theory_ref} refer to the theory ancestry, not any accidental theory loader state;
wenzelm
parents:
37820
diff
changeset

677 
theories from the ancestry of the current context, not any accidental 
59eed00bfd8e
ML antiquotations @{theory} and @{theory_ref} refer to the theory ancestry, not any accidental theory loader state;
wenzelm
parents:
37820
diff
changeset

678 
theory loader state as before. Potential INCOMPATIBILITY, subtle 
59eed00bfd8e
ML antiquotations @{theory} and @{theory_ref} refer to the theory ancestry, not any accidental theory loader state;
wenzelm
parents:
37820
diff
changeset

679 
change in semantics. 
59eed00bfd8e
ML antiquotations @{theory} and @{theory_ref} refer to the theory ancestry, not any accidental theory loader state;
wenzelm
parents:
37820
diff
changeset

680 

39239  681 
* Parallel and asynchronous execution requires special care concerning 
682 
interrupts. Structure Exn provides some convenience functions that 

683 
avoid working directly with raw Interrupt. User code must not absorb 

684 
interrupts  intermediate handling (for cleanup etc.) needs to be 

685 
followed by reraising of the original exception. Another common 

686 
source of mistakes are "handle _" patterns, which make the meaning of 

687 
the program subject to physical effects of the environment. 

688 

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

689 

38470
484e483eb606
discontinued support for Poly/ML 5.0 and 5.1 versions;
wenzelm
parents:
38461
diff
changeset

690 
*** System *** 
484e483eb606
discontinued support for Poly/ML 5.0 and 5.1 versions;
wenzelm
parents:
38461
diff
changeset

691 

40966
d5a198eb16b5
IsabelleText font: include Cyrillic, Hebrew, Arabic from DejaVu Sans 2.32;
wenzelm
parents:
40965
diff
changeset

692 
* The IsabelleText font now includes Cyrillic, Hebrew, Arabic from 
d5a198eb16b5
IsabelleText font: include Cyrillic, Hebrew, Arabic from DejaVu Sans 2.32;
wenzelm
parents:
40965
diff
changeset

693 
DajaVu Sans. 
d5a198eb16b5
IsabelleText font: include Cyrillic, Hebrew, Arabic from DejaVu Sans 2.32;
wenzelm
parents:
40965
diff
changeset

694 

38470
484e483eb606
discontinued support for Poly/ML 5.0 and 5.1 versions;
wenzelm
parents:
38461
diff
changeset

695 
* Discontinued support for Poly/ML 5.0 and 5.1 versions. 
484e483eb606
discontinued support for Poly/ML 5.0 and 5.1 versions;
wenzelm
parents:
38461
diff
changeset

696 

484e483eb606
discontinued support for Poly/ML 5.0 and 5.1 versions;
wenzelm
parents:
38461
diff
changeset

697 

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

698 

37144  699 
New in Isabelle20092 (June 2010) 
700 
 

33993  701 

35260  702 
*** General *** 
703 

35436  704 
* Authentic syntax for *all* logical entities (type classes, type 
705 
constructors, term constants): provides simple and robust 

706 
correspondence between formal entities and concrete syntax. Within 

707 
the parse tree / AST representations, "constants" are decorated by 

708 
their category (class, type, const) and spelled out explicitly with 

709 
their full internal name. 

710 

711 
Substantial INCOMPATIBILITY concerning lowlevel syntax declarations 

712 
and translations (translation rules and translation functions in ML). 

713 
Some hints on upgrading: 

35260  714 

715 
 Many existing uses of 'syntax' and 'translations' can be replaced 

35436  716 
by more modern 'type_notation', 'notation' and 'abbreviation', 
717 
which are independent of this issue. 

35260  718 

719 
 'translations' require markup within the AST; the term syntax 

720 
provides the following special forms: 

721 

722 
CONST c  produces syntax version of constant c from context 

35261  723 
XCONST c  literally c, checked as constant from context 
724 
c  literally c, if declared by 'syntax' 

725 

726 
Plain identifiers are treated as AST variables  occasionally the 

727 
system indicates accidental variables via the error "rhs contains 

728 
extra variables". 

35260  729 

35436  730 
Type classes and type constructors are marked according to their 
731 
concrete syntax. Some old translations rules need to be written 

732 
for the "type" category, using type constructor application 

733 
instead of pseudoterm application of the default category 

734 
"logic". 

735 

35260  736 
 'parse_translation' etc. in ML may use the following 
737 
antiquotations: 

738 

35436  739 
@{class_syntax c}  type class c within parse tree / AST 
740 
@{term_syntax c}  type constructor c within parse tree / AST 

35260  741 
@{const_syntax c}  ML version of "CONST c" above 
742 
@{syntax_const c}  literally c (checked wrt. 'syntax' declarations) 

743 

35436  744 
 Literal types within 'typed_print_translations', i.e. those *not* 
745 
represented as pseudoterms are represented verbatim. Use @{class 

746 
c} or @{type_name c} here instead of the above syntax 

747 
antiquotations. 

748 

35260  749 
Note that old nonauthentic syntax was based on unqualified base 
35436  750 
names, so all of the above "constant" names would coincide. Recall 
751 
that 'print_syntax' and ML_command "set Syntax.trace_ast" help to 

752 
diagnose syntax problems. 

35260  753 

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

754 
* Type constructors admit general mixfix syntax, not just infix. 
7425aece4ee3
allow general mixfix syntax for type constructors;
wenzelm
parents:
35306
diff
changeset

755 

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

756 
* 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

757 
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

758 
'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

759 
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

760 

37351  761 
* Discontinued unnamed infix syntax (legacy feature for many years)  
762 
need to specify constant name and syntax separately. Internal ML 

763 
datatype constructors have been renamed from InfixName to Infix etc. 

764 
Minor INCOMPATIBILITY. 

765 

766 
* Schematic theorem statements need to be explicitly markup as such, 

767 
via commands 'schematic_lemma', 'schematic_theorem', 

768 
'schematic_corollary'. Thus the relevance of the proof is made 

769 
syntactically clear, which impacts performance in a parallel or 

770 
asynchronous interactive environment. Minor INCOMPATIBILITY. 

771 

35613  772 
* Use of cumulative prems via "!" in some proof methods has been 
37351  773 
discontinued (old legacy feature). 
35613  774 

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

775 
* References 'trace_simp' and 'debug_simp' have been replaced by 
36857  776 
configuration options stored in the context. Enabling tracing (the 
777 
case of debugging is similar) in proofs works via 

778 

779 
using [[trace_simp = true]] 

780 

781 
Tracing is then active for all invocations of the simplifier in 

782 
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

783 
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

784 

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

785 
* Separate commands 'hide_class', 'hide_type', 'hide_const', 
8e0770d2e499
separate commands 'hide_class', 'hide_type', 'hide_const', 'hide_fact';
wenzelm
parents:
36162
diff
changeset

786 
'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

787 
INCOMPATIBILITY. 
8e0770d2e499
separate commands 'hide_class', 'hide_type', 'hide_const', 'hide_fact';
wenzelm
parents:
36162
diff
changeset

788 

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

789 
* Improved parallelism of proof term normalization: usedir p2 q0 is 
1f3ca94ccb84
improved parallelism of proof term normalization;
wenzelm
parents:
37273
diff
changeset

790 
more efficient than combinations with q1 or q2. 
1f3ca94ccb84
improved parallelism of proof term normalization;
wenzelm
parents:
37273
diff
changeset

791 

35260  792 

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

793 
*** Pure *** 
254ac75e4c38
reduced code generator cache to the baremost minimum; corrected spelling
haftmann
parents:
34076
diff
changeset

794 

37351  795 
* Proofterms record typeclass reasoning explicitly, using the 
796 
"unconstrain" operation internally. This eliminates all sort 

797 
constraints from a theorem and proof, introducing explicit 

798 
OFCLASSpremises. On the proof term level, this operation is 

799 
automatically applied at theorem boundaries, such that closed proofs 

800 
are always free of sort constraints. INCOMPATIBILITY for tools that 

801 
inspect proof terms. 

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

802 

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

803 
* Local theory specifications may depend on extra type variables that 
09e238561460
local theory specifications handle hidden polymorphism implicitly;
wenzelm
parents:
35763
diff
changeset

804 
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

805 
are added internally. For example: 
09e238561460
local theory specifications handle hidden polymorphism implicitly;
wenzelm
parents:
35763
diff
changeset

806 

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

807 
definition unitary :: bool where "unitary = (ALL (x::'a) y. x = y)" 
09e238561460
local theory specifications handle hidden polymorphism implicitly;
wenzelm
parents:
35763
diff
changeset

808 

37351  809 
* Predicates of locales introduced by classes carry a mandatory 
810 
"class" prefix. INCOMPATIBILITY. 

811 

812 
* Vacuous class specifications observe default sort. INCOMPATIBILITY. 

813 

814 
* Old 'axclass' command has been discontinued. INCOMPATIBILITY, use 

815 
'class' instead. 

816 

817 
* Command 'code_reflect' allows to incorporate generated ML code into 

818 
runtime environment; replaces immature code_datatype antiquotation. 

819 
INCOMPATIBILITY. 

820 

821 
* Code generator: simple concept for abstract datatypes obeying 

822 
invariants. 

823 

36857  824 
* Code generator: details of internal data cache have no impact on the 
825 
user space functionality any longer. 

826 

37351  827 
* Methods "unfold_locales" and "intro_locales" ignore nonlocale 
828 
subgoals. This is more appropriate for interpretations with 'where'. 

36857  829 
INCOMPATIBILITY. 
34170
254ac75e4c38
reduced code generator cache to the baremost minimum; corrected spelling
haftmann
parents:
34076
diff
changeset

830 

36356
5ab0f8859f9f
command 'example_proof' opens an empty proof body;
wenzelm
parents:
36348
diff
changeset

831 
* Command 'example_proof' opens an empty proof body. This allows to 
5ab0f8859f9f
command 'example_proof' opens an empty proof body;
wenzelm
parents:
36348
diff
changeset

832 
experiment with Isar, without producing any persistent result. 
5ab0f8859f9f
command 'example_proof' opens an empty proof body;
wenzelm
parents:
36348
diff
changeset

833 

35413  834 
* Commands 'type_notation' and 'no_type_notation' declare type syntax 
835 
within a local theory context, with explicit checking of the 

836 
constructors involved (in contrast to the raw 'syntax' versions). 

837 

36178
0e5c133b48b6
keep localized 'types' as regular nonoldstyle version  'type_abbrev' as 'type' just causes too many problems, e.g. clash with "type" in translations or "type:" argument syntax;
wenzelm
parents:
36177
diff
changeset

838 
* Commands 'types' and 'typedecl' now work within a local theory 
0e5c133b48b6
keep localized 'types' as regular nonoldstyle version  'type_abbrev' as 'type' just causes too many problems, e.g. clash with "type" in translations or "type:" argument syntax;
wenzelm
parents:
36177
diff
changeset

839 
context  without introducing dependencies on parameters or 
0e5c133b48b6
keep localized 'types' as regular nonoldstyle version  'type_abbrev' as 'type' just causes too many problems, e.g. clash with "type" in translations or "type:" argument syntax;
wenzelm
parents:
36177
diff
changeset

840 
assumptions, which is not possible in Isabelle/Pure. 
35681  841 

36857  842 
* Command 'defaultsort' has been renamed to 'default_sort', it works 
843 
within a local theory context. Minor INCOMPATIBILITY. 

36454
f2b5bcc61a8c
command 'defaultsort' is renamed to 'default_sort', it works within a local theory context;
wenzelm
parents:
36446
diff
changeset

844 

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

845 

33993  846 
*** HOL *** 
847 

37351  848 
* Command 'typedef' now works within a local theory context  without 
849 
introducing dependencies on parameters or assumptions, which is not 

850 
possible in Isabelle/Pure/HOL. Note that the logical environment may 

851 
contain multiple interpretations of local typedefs (with different 

852 
nonemptiness proofs), even in a global theory context. 

853 

854 
* New package for quotient types. Commands 'quotient_type' and 

855 
'quotient_definition' may be used for defining types and constants by 

856 
quotient constructions. An example is the type of integers created by 

857 
quotienting pairs of natural numbers: 

37380  858 

37351  859 
fun 
37380  860 
intrel :: "(nat * nat) => (nat * nat) => bool" 
37351  861 
where 
862 
"intrel (x, y) (u, v) = (x + v = u + y)" 

863 

37380  864 
quotient_type int = "nat * nat" / intrel 
37351  865 
by (auto simp add: equivp_def expand_fun_eq) 
37380  866 

37351  867 
quotient_definition 
868 
"0::int" is "(0::nat, 0::nat)" 

869 

870 
The method "lifting" can be used to lift of theorems from the 

871 
underlying "raw" type to the quotient type. The example 

872 
src/HOL/Quotient_Examples/FSet.thy includes such a quotient 

873 
construction and provides a reasoning infrastructure for finite sets. 

874 

875 
* Renamed Library/Quotient.thy to Library/Quotient_Type.thy to avoid 

876 
clash with new theory Quotient in Main HOL. 

877 

878 
* Moved the SMT binding into the main HOL session, eliminating 

879 
separate HOLSMT session. 

880 

37020  881 
* List membership infix mem operation is only an input abbreviation. 
882 
INCOMPATIBILITY. 

883 

37144  884 
* Theory Library/Word.thy has been removed. Use library Word/Word.thy 
885 
for future developements; former Library/Word.thy is still present in 

886 
the AFP entry RSAPPS. 

36963
9a017146675f
dropped old Library/Word.thy and toy example ex/Adder.thy
haftmann
parents:
36953
diff
changeset

887 

36857  888 
* Theorem Int.int_induct renamed to Int.int_of_nat_induct and is no 
889 
longer shadowed. INCOMPATIBILITY. 

36808
cbeb3484fa07
theorem Presburger.int_induct has been renamed to Int.int_bidirectional_induct
haftmann
parents:
36714
diff
changeset

890 

36836
49156805321c
removed lemma real_sq_order; use power2_le_imp_le instead
huffman
parents:
36830
diff
changeset

891 
* Dropped theorem duplicate comp_arith; use semiring_norm instead. 
49156805321c
removed lemma real_sq_order; use power2_le_imp_le instead
huffman
parents:
36830
diff
changeset

892 
INCOMPATIBILITY. 
49156805321c
removed lemma real_sq_order; use power2_le_imp_le instead
huffman
parents:
36830
diff
changeset

893 

49156805321c
removed lemma real_sq_order; use power2_le_imp_le instead
huffman
parents:
36830
diff
changeset

894 
* Dropped theorem RealPow.real_sq_order; use power2_le_imp_le instead. 
49156805321c
removed lemma real_sq_order; use power2_le_imp_le instead
huffman
parents:
36830
diff
changeset

895 
INCOMPATIBILITY. 
36714  896 

36857  897 
* Dropped normalizing_semiring etc; use the facts in semiring classes 
898 
instead. INCOMPATIBILITY. 

899 

36979
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

900 
* Dropped several realspecific versions of lemmas about floor and 
37351  901 
ceiling; use the generic lemmas from theory "Archimedean_Field" 
902 
instead. INCOMPATIBILITY. 

36979
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

903 

da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

904 
floor_number_of_eq ~> floor_number_of 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

905 
le_floor_eq_number_of ~> number_of_le_floor 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

906 
le_floor_eq_zero ~> zero_le_floor 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

907 
le_floor_eq_one ~> one_le_floor 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

908 
floor_less_eq_number_of ~> floor_less_number_of 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

909 
floor_less_eq_zero ~> floor_less_zero 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

910 
floor_less_eq_one ~> floor_less_one 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

911 
less_floor_eq_number_of ~> number_of_less_floor 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

912 
less_floor_eq_zero ~> zero_less_floor 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

913 
less_floor_eq_one ~> one_less_floor 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

914 
floor_le_eq_number_of ~> floor_le_number_of 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

915 
floor_le_eq_zero ~> floor_le_zero 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

916 
floor_le_eq_one ~> floor_le_one 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

917 
floor_subtract_number_of ~> floor_diff_number_of 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

918 
floor_subtract_one ~> floor_diff_one 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

919 
ceiling_number_of_eq ~> ceiling_number_of 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

920 
ceiling_le_eq_number_of ~> ceiling_le_number_of 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

921 
ceiling_le_zero_eq ~> ceiling_le_zero 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

922 
ceiling_le_eq_one ~> ceiling_le_one 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

923 
less_ceiling_eq_number_of ~> number_of_less_ceiling 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

924 
less_ceiling_eq_zero ~> zero_less_ceiling 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

925 
less_ceiling_eq_one ~> one_less_ceiling 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

926 
ceiling_less_eq_number_of ~> ceiling_less_number_of 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

927 
ceiling_less_eq_zero ~> ceiling_less_zero 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

928 
ceiling_less_eq_one ~> ceiling_less_one 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

929 
le_ceiling_eq_number_of ~> number_of_le_ceiling 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

930 
le_ceiling_eq_zero ~> zero_le_ceiling 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

931 
le_ceiling_eq_one ~> one_le_ceiling 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

932 
ceiling_subtract_number_of ~> ceiling_diff_number_of 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

933 
ceiling_subtract_one ~> ceiling_diff_one 
da7c06ab3169
remove several redundant lemmas about floor and ceiling
huffman
parents:
36972
diff
changeset

934 

37144  935 
* Theory "Finite_Set": various folding_XXX locales facilitate the 
36857  936 
application of the various fold combinators on finite sets. 
937 

938 
* Library theory "RBT" renamed to "RBT_Impl"; new library theory "RBT" 

939 
provides abstract redblack tree type which is backed by "RBT_Impl" as 

940 
implementation. INCOMPATIBILTY. 

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

941 

36830  942 
* Theory Library/Coinductive_List has been removed  superseded by 
35763
765f8adf10f9
removed obsolete HOL/Library/Coinductive_List.thy, superceded by thys/Coinductive/Coinductive_List.thy in AFP/f2f5727b77d0;
wenzelm
parents:
35745
diff
changeset

943 
AFP/thys/Coinductive. 
765f8adf10f9
removed obsolete HOL/Library/Coinductive_List.thy, superceded by thys/Coinductive/Coinductive_List.thy in AFP/f2f5727b77d0;
wenzelm
parents:
35745
diff
changeset

944 

36829  945 
* Theory PReal, including the type "preal" and related operations, has 
946 
been removed. INCOMPATIBILITY. 

947 

37380  948 
* Real: new development using Cauchy Sequences. 
949 

37351  950 
* Split off theory "Big_Operators" containing setsum, setprod, 
951 
Inf_fin, Sup_fin, Min, Max from theory Finite_Set. INCOMPATIBILITY. 

36857  952 

953 
* Theory "Rational" renamed to "Rat", for consistency with "Nat", 

954 
"Int" etc. INCOMPATIBILITY. 

955 

37351  956 
* Constant Rat.normalize needs to be qualified. INCOMPATIBILITY. 
37143  957 

36857  958 
* New set of rules "ac_simps" provides combined assoc / commute 
959 
rewrites for all interpretations of the appropriate generic locales. 

960 

961 
* Renamed theory "OrderedGroup" to "Groups" and split theory 

962 
"Ring_and_Field" into theories "Rings" and "Fields"; for more 

963 
appropriate and more consistent names suitable for name prefixes 

964 
within the HOL theories. INCOMPATIBILITY. 

35050
9f841f20dca6
renamed OrderedGroup to Groups; split theory Ring_and_Field into Rings Fields
haftmann
parents:
35042
diff
changeset

965 

35084  966 
* Some generic constants have been put to appropriate theories: 
36857  967 
 less_eq, less: Orderings 
968 
 zero, one, plus, minus, uminus, times, abs, sgn: Groups 

969 
 inverse, divide: Rings 

35084  970 
INCOMPATIBILITY. 
971 

36857  972 
* More consistent naming of type classes involving orderings (and 
973 
lattices): 

35027
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

974 

ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

975 
lower_semilattice ~> semilattice_inf 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

976 
upper_semilattice ~> semilattice_sup 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

977 

ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

978 
dense_linear_order ~> dense_linorder 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

979 

ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

980 
pordered_ab_group_add ~> ordered_ab_group_add 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

981 
pordered_ab_group_add_abs ~> ordered_ab_group_add_abs 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

982 
pordered_ab_semigroup_add ~> ordered_ab_semigroup_add 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

983 
pordered_ab_semigroup_add_imp_le ~> ordered_ab_semigroup_add_imp_le 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

984 
pordered_cancel_ab_semigroup_add ~> ordered_cancel_ab_semigroup_add 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

985 
pordered_cancel_comm_semiring ~> ordered_cancel_comm_semiring 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

986 
pordered_cancel_semiring ~> ordered_cancel_semiring 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

987 
pordered_comm_monoid_add ~> ordered_comm_monoid_add 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

988 
pordered_comm_ring ~> ordered_comm_ring 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

989 
pordered_comm_semiring ~> ordered_comm_semiring 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

990 
pordered_ring ~> ordered_ring 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

991 
pordered_ring_abs ~> ordered_ring_abs 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

992 
pordered_semiring ~> ordered_semiring 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

993 

ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

994 
ordered_ab_group_add ~> linordered_ab_group_add 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

995 
ordered_ab_semigroup_add ~> linordered_ab_semigroup_add 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

996 
ordered_cancel_ab_semigroup_add ~> linordered_cancel_ab_semigroup_add 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

997 
ordered_comm_semiring_strict ~> linordered_comm_semiring_strict 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

998 
ordered_field ~> linordered_field 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

999 
ordered_field_no_lb ~> linordered_field_no_lb 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1000 
ordered_field_no_ub ~> linordered_field_no_ub 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1001 
ordered_field_dense_linear_order ~> dense_linordered_field 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1002 
ordered_idom ~> linordered_idom 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1003 
ordered_ring ~> linordered_ring 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1004 
ordered_ring_le_cancel_factor ~> linordered_ring_le_cancel_factor 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1005 
ordered_ring_less_cancel_factor ~> linordered_ring_less_cancel_factor 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1006 
ordered_ring_strict ~> linordered_ring_strict 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1007 
ordered_semidom ~> linordered_semidom 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1008 
ordered_semiring ~> linordered_semiring 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1009 
ordered_semiring_1 ~> linordered_semiring_1 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1010 
ordered_semiring_1_strict ~> linordered_semiring_1_strict 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1011 
ordered_semiring_strict ~> linordered_semiring_strict 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1012 

36857  1013 
The following slightly odd type classes have been moved to a 
37351  1014 
separate theory Library/Lattice_Algebras: 
35032
7efe662e41b4
separate library theory for type classes combining lattices with various algebraic structures
haftmann
parents:
35027
diff
changeset

1015 

7efe662e41b4
separate library theory for type classes combining lattices with various algebraic structures
haftmann
parents:
35027
diff
changeset

1016 
lordered_ab_group_add ~> lattice_ab_group_add 
7efe662e41b4
separate library theory for type classes combining lattices with various algebraic structures
haftmann
parents:
35027
diff
changeset

1017 
lordered_ab_group_add_abs ~> lattice_ab_group_add_abs 
7efe662e41b4
separate library theory for type classes combining lattices with various algebraic structures
haftmann
parents:
35027
diff
changeset

1018 
lordered_ab_group_add_meet ~> semilattice_inf_ab_group_add 
7efe662e41b4
separate library theory for type classes combining lattices with various algebraic structures
haftmann
parents:
35027
diff
changeset

1019 
lordered_ab_group_add_join ~> semilattice_sup_ab_group_add 
7efe662e41b4
separate library theory for type classes combining lattices with various algebraic structures
haftmann
parents:
35027
diff
changeset

1020 
lordered_ring ~> lattice_ring 
7efe662e41b4
separate library theory for type classes combining lattices with various algebraic structures
haftmann
parents:
35027
diff
changeset

1021 

35027
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1022 
INCOMPATIBILITY. 
ed7d12bcf8f8
more consistent naming of type classes involving orderings (and lattices)  c.f. NEWS
haftmann
parents:
34974
diff
changeset

1023 

36416  1024 
* Refined field classes: 
36857  1025 
 classes division_ring_inverse_zero, field_inverse_zero, 
1026 
linordered_field_inverse_zero include rule inverse 0 = 0  

1027 
subsumes former division_by_zero class; 

1028 
 numerous lemmas have been ported from field to division_ring. 

1029 
INCOMPATIBILITY. 

36416  1030 

1031 
* Refined algebra theorem collections: 

36857  1032 
 dropped theorem group group_simps, use algebra_simps instead; 
1033 
 dropped theorem group ring_simps, use field_simps instead; 

1034 
 proper theorem collection field_simps subsumes former theorem 

1035 
groups field_eq_simps and field_simps; 

1036 
 dropped lemma eq_minus_self_iff which is a duplicate for 

1037 
equal_neg_zero. 

1038 
INCOMPATIBILITY. 

35009  1039 

1040 
* Theory Finite_Set and List: some lemmas have been generalized from 

34076
e3daf3c07381
Subgoal.FOCUS (and variants): resulting goal state is normalized as usual for resolution;
wenzelm
parents:
34062
diff
changeset

1041 
sets to lattices: 
e3daf3c07381
Subgoal.FOCUS (and variants): resulting goal state is normalized as usual for resolution;
wenzelm
parents:
34062
diff
changeset

1042 

34007
aea892559fc5
tuned lattices theory fragements; generlized some lemmas from sets to lattices
haftmann
parents:
33994
diff
changeset

1043 
fun_left_comm_idem_inter ~> fun_left_comm_idem_inf 
aea892559fc5
tuned lattices theory fragements; generlized some lemmas from sets to lattices
haftmann
parents:
33994
diff
changeset

1044 
fun_left_comm_idem_union ~> fun_left_comm_idem_sup 
aea892559fc5
tuned lattices theory fragements; generlized some lemmas from sets to lattices
haftmann
parents:
33994
diff
changeset

1045 
inter_Inter_fold_inter ~> inf_Inf_fold_inf 
aea892559fc5
tuned lattices theory fragements; generlized some lemmas from sets to lattices
haftmann
parents:
33994
diff
changeset

1046 
union_Union_fold_union ~> sup_Sup_fold_sup 
aea892559fc5
tuned lattices theory fragements; generlized some lemmas from sets to lattices
haftmann
parents:
33994
diff
changeset

1047 
Inter_fold_inter ~> Inf_fold_inf 
aea892559fc5
tuned lattices theory fragements; generlized some lemmas from sets to lattices
haftmann
parents:
33994
diff
changeset

1048 
Union_fold_union ~> Sup_fold_sup 
aea892559fc5
tuned lattices theory fragements; generlized some lemmas from sets to lattices
haftmann
parents:
33994
diff
changeset

1049 
inter_INTER_fold_inter ~> inf_INFI_fold_inf 
aea892559fc5
tuned lattices theory fragements; generlized some lemmas from sets to lattices
haftmann
parents:
33994
diff
changeset

1050 
union_UNION_fold_union ~> sup_SUPR_fold_sup 
aea892559fc5
tuned lattices theory fragements; generlized some lemmas from sets to lattices
haftmann
parents:
33994
diff
changeset

1051 
INTER_fold_inter ~> INFI_fold_inf 
aea892559fc5
tuned lattices theory fragements; generlized some lemmas from sets to lattices
haftmann
parents:
33994
diff
changeset

1052 
UNION_fold_union ~> SUPR_fold_sup 
aea892559fc5
tuned lattices theory fragements; generlized some lemmas from sets to lattices
haftmann
parents:
33994
diff
changeset

1053 

37351  1054 
* Theory "Complete_Lattice": lemmas top_def and bot_def have been 
36416  1055 
replaced by the more convenient lemmas Inf_empty and Sup_empty. 
1056 
Dropped lemmas Inf_insert_simp and Sup_insert_simp, which are subsumed 

1057 
by Inf_insert and Sup_insert. Lemmas Inf_UNIV and Sup_UNIV replace 

1058 
former Inf_Univ and Sup_Univ. Lemmas inf_top_right and sup_bot_right 

1059 
subsume inf_top and sup_bot respectively. INCOMPATIBILITY. 

1060 

36857  1061 
* Reorganized theory Multiset: swapped notation of pointwise and 
1062 
multiset order: 

37351  1063 

36857  1064 
 pointwise ordering is instance of class order with standard syntax 
1065 
<= and <; 

1066 
 multiset ordering has syntax <=# and <#; partial order properties 

1067 
are provided by means of interpretation with prefix 

1068 
multiset_order; 

1069 
 less duplication, less historical organization of sections, 

1070 
conversion from associations lists to multisets, rudimentary code 

1071 
generation; 

1072 
 use insert_DiffM2 [symmetric] instead of elem_imp_eq_diff_union, 

1073 
if needed. 

37351  1074 

36903  1075 
Renamed: 
37351  1076 

1077 
multiset_eq_conv_count_eq ~> multiset_ext_iff 

1078 
multi_count_ext ~> multiset_ext 

1079 
diff_union_inverse2 ~> diff_union_cancelR 

1080 

36857  1081 
INCOMPATIBILITY. 
36416  1082 

36903  1083 
* Theory Permutation: replaced local "remove" by List.remove1. 
1084 

36416  1085 
* Code generation: ML and OCaml code is decorated with signatures. 
1086 

35009  1087 
* Theory List: added transpose. 
1088 

35810  1089 
* Library/Nat_Bijection.thy is a collection of bijective functions 
1090 
between nat and other types, which supersedes the older libraries 

1091 
Library/Nat_Int_Bij.thy and HOLCF/NatIso.thy. INCOMPATIBILITY. 

1092 

1093 
Constants: 

1094 
Nat_Int_Bij.nat2_to_nat ~> prod_encode 

1095 
Nat_Int_Bij.nat_to_nat2 ~> prod_decode 

1096 
Nat_Int_Bij.int_to_nat_bij ~> int_encode 

1097 
Nat_Int_Bij.nat_to_int_bij ~> int_decode 

1098 
Countable.pair_encode ~> prod_encode 

1099 
NatIso.prod2nat ~> prod_encode 

1100 
NatIso.nat2prod ~> prod_decode 

1101 
NatIso.sum2nat ~> sum_encode 

1102 
NatIso.nat2sum ~> sum_decode 

1103 
NatIso.list2nat ~> list_encode 

1104 
NatIso.nat2list ~> list_decode 

1105 
NatIso.set2nat ~> set_encode 

1106 
NatIso.nat2set ~> set_decode 

1107 

1108 
Lemmas: 

1109 
Nat_Int_Bij.bij_nat_to_int_bij ~> bij_int_decode 

1110 
Nat_Int_Bij.nat2_to_nat_inj ~> inj_prod_encode 

1111 
Nat_Int_Bij.nat2_to_nat_surj ~> surj_prod_encode 

1112 
Nat_Int_Bij.nat_to_nat2_inj ~> inj_prod_decode 

1113 
Nat_Int_Bij.nat_to_nat2_surj ~> surj_prod_decode 

1114 
Nat_Int_Bij.i2n_n2i_id ~> int_encode_inverse 

1115 
Nat_Int_Bij.n2i_i2n_id ~> int_decode_inverse 

1116 
Nat_Int_Bij.surj_nat_to_int_bij ~> surj_int_encode 

1117 
Nat_Int_Bij.surj_int_to_nat_bij ~> surj_int_decode 

1118 
Nat_Int_Bij.inj_nat_to_int_bij ~> inj_int_encode 

1119 
Nat_Int_Bij.inj_int_to_nat_bij ~> inj_int_decode 

1120 
Nat_Int_Bij.bij_nat_to_int_bij ~> bij_int_encode 

1121 
Nat_Int_Bij.bij_int_to_nat_bij ~> bij_int_decode 

1122 

36929  1123 
* Sledgehammer: 
1124 
 Renamed ATP commands: 

1125 
atp_info ~> sledgehammer running_atps 

1126 
atp_kill ~> sledgehammer kill_atps 

1127 
atp_messages ~> sledgehammer messages 

1128 
atp_minimize ~> sledgehammer minimize 

1129 
print_atps ~> sledgehammer available_atps 

1130 
INCOMPATIBILITY. 

1131 
 Added user's manual ("isabelle doc sledgehammer"). 

1132 
 Added option syntax and "sledgehammer_params" to customize 

1133 
Sledgehammer's behavior. See the manual for details. 

1134 
 Modified the Isar proof reconstruction code so that it produces 

1135 
direct proofs rather than proofs by contradiction. (This feature 

1136 
is still experimental.) 

1137 
 Made Isar proof reconstruction work for SPASS, remote ATPs, and in 

1138 
fulltyped mode. 

1139 
 Added support for TPTP syntax for SPASS via the "spass_tptp" ATP. 

1140 

36928  1141 
* Nitpick: 
1142 
 Added and implemented "binary_ints" and "bits" options. 

1143 
 Added "std" option and implemented support for nonstandard models. 

1144 
 Added and implemented "finitize" option to improve the precision 

1145 
of infinite datatypes based on a monotonicity analysis. 

1146 
 Added support for quotient types. 

1147 
 Added support for "specification" and "ax_specification" 

1148 
constructs. 

1149 
 Added support for local definitions (for "function" and 

1150 
"termination" proofs). 

1151 
 Added support for term postprocessors. 

1152 
 Optimized "Multiset.multiset" and "FinFun.finfun". 

1153 
 Improved efficiency of "destroy_constrs" optimization. 

1154 
 Fixed soundness bugs related to "destroy_constrs" optimization and 

1155 
record getters. 

37272  1156 
 Fixed soundness bug related to higherorder constructors. 
1157 
 Fixed soundness bug when "full_descrs" is enabled. 

36928  1158 
 Improved precision of set constructs. 
37260
dde817e6dfb1
added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents:
37158
diff
changeset

1159 
 Added "atoms" option. 
36928  1160 
 Added cache to speed up repeated Kodkod invocations on the same 
1161 
problems. 

1162 
 Renamed "MiniSatJNI", "zChaffJNI", "BerkMinAlloy", and 

1163 
"SAT4JLight" to "MiniSat_JNI", "zChaff_JNI", "BerkMin_Alloy", and 

1164 
"SAT4J_Light". INCOMPATIBILITY. 

1165 
 Removed "skolemize", "uncurry", "sym_break", "flatten_prop", 

1166 
"sharing_depth", and "show_skolems" options. INCOMPATIBILITY. 

37264
8b931fb51cc6
removed "nitpick_intro" attribute  Nitpick noew uses Spec_Rules instead
blanchet
parents:
37260
diff
changeset

1167 
 Removed "nitpick_intro" attribute. INCOMPATIBILITY. 
36928  1168 

37361
250f487b3034
Documented changes in induct, cases, and nominal_induct method.
berghofe
parents:
37352
diff
changeset

1169 
* Method "induct" now takes instantiations of the form t, where t is not 
250f487b3034
Documented changes in induct, cases, and nominal_induct method.
berghofe
parents:
37352
diff
changeset

1170 
a variable, as a shorthand for "x == t", where x is a fresh variable. 
250f487b3034
Documented changes in induct, cases, and nominal_induct method.
berghofe
parents:
37352
diff
changeset

1171 
If this is not intended, t has to be enclosed in parentheses. 
250f487b3034
Documented changes in induct, cases, and nominal_induct method.
berghofe
parents:
37352
diff
changeset

1172 
By default, the equalities generated by definitional instantiations 
250f487b3034
Documented changes in induct, cases, and nominal_induct method.
berghofe
parents:
37352
diff
changeset

1173 
are presimplified, which may cause parameters of inductive cases 
250f487b3034
Documented changes in induct, cases, and nominal_induct method.
berghofe
parents:
37352
diff
changeset

1174 
to disappear, or may even delete some of the inductive cases. 
250f487b3034
Documented changes in induct, cases, and nominal_induct method.
berghofe
parents:
37352
diff
changeset

1175 
Use "induct (no_simp)" instead of "induct" to restore the old 
250f487b3034
Documented changes in induct, cases, and nominal_induct method.
berghofe
parents:
37352
diff
changeset

1176 
behaviour. The (no_simp) option is also understood by the "cases" 
250f487b3034
Documented changes in induct, cases, and nominal_induct method.
berghofe
parents:
37352
diff
changeset

1177 
and "nominal_induct" methods, which now perform presimplification, too. 
250f487b3034
Documented changes in induct, cases, and nominal_induct method.
berghofe
parents:
37352
diff
changeset

1178 
INCOMPATIBILITY. 
250f487b3034
Documented changes in induct, cases, and nominal_induct method.
berghofe
parents:
37352
diff
changeset

1179 

33993  1180 

36828  1181 
*** HOLCF *** 
1182 

1183 
* Variable names in lemmas generated by the domain package have 

1184 
changed; the naming scheme is now consistent with the HOL datatype 

1185 
package. Some proof scripts may be affected, INCOMPATIBILITY. 

1186 

1187 
* The domain package no longer defines the function "foo_copy" for 

1188 
recursive domain "foo". The reach lemma is now stated directly in 

1189 
terms of "foo_take". Lemmas and proofs that mention "foo_copy" must 

1190 
be reformulated in terms of "foo_take", INCOMPATIBILITY. 

1191 

1192 
* Most definedness lemmas generated by the domain package (previously 

1193 
of the form "x ~= UU ==> foo$x ~= UU") now have an ifandonlyif form 

1194 
like "foo$x = UU <> x = UU", which works better as a simp rule. 

37351  1195 
Proofs that used definedness lemmas as intro rules may break, 
36828  1196 
potential INCOMPATIBILITY. 
1197 

1198 
* Induction and casedist rules generated by the domain package now 

1199 
declare proper case_names (one called "bottom", and one named for each 

1200 
constructor). INCOMPATIBILITY. 

1201 

1202 
* For mutuallyrecursive domains, separate "reach" and "take_lemma" 

1203 
rules are generated for each domain, INCOMPATIBILITY. 

1204 

1205 
foo_bar.reach ~> foo.reach bar.reach 

1206 
foo_bar.take_lemmas ~> foo.take_lemma bar.take_lemma 

1207 

1208 
* Some lemmas generated by the domain package have been renamed for 

1209 
consistency with the datatype package, INCOMPATIBILITY. 

1210 

1211 
foo.ind ~> foo.induct 

1212 
foo.finite_ind ~> foo.finite_induct 

1213 
foo.coind ~> foo.coinduct 

1214 
foo.casedist ~> foo.exhaust 

1215 
foo.exhaust ~> foo.nchotomy 

1216 

1217 
* For consistency with other definition packages, the fixrec package 

1218 
now generates qualified theorem names, INCOMPATIBILITY. 

1219 

1220 
foo_simps ~> foo.simps 

1221 
foo_unfold ~> foo.unfold 

1222 
foo_induct ~> foo.induct 

1223 

37087  1224 
* The "fixrec_simp" attribute has been removed. The "fixrec_simp" 
1225 
method and internal fixrec proofs now use the default simpset instead. 

1226 
INCOMPATIBILITY. 

1227 

36828  1228 
* The "contlub" predicate has been removed. Proof scripts should use 
1229 
lemma contI2 in place of monocontlub2cont, INCOMPATIBILITY. 

1230 

1231 
* The "admw" predicate has been removed, INCOMPATIBILITY. 

1232 

1233 
* The constants cpair, cfst, and csnd have been removed in favor of 

1234 
Pair, fst, and snd from Isabelle/HOL, INCOMPATIBILITY. 

1235 

1236 

33993  1237 
*** ML *** 
1238 

37351  1239 
* Antiquotations for basic formal entities: 
1240 

1241 
@{class NAME}  type class 

1242 
@{class_syntax NAME}  syntax representation of the above 

1243 

1244 
@{type_name NAME}  logical type 

1245 
@{type_abbrev NAME}  type abbreviation 

1246 
@{nonterminal NAME}  type of concrete syntactic category 

1247 
@{type_syntax NAME}  syntax representation of any of the above 

1248 

1249 
@{const_name NAME}  logical constant (INCOMPATIBILITY) 

1250 
@{const_abbrev NAME}  abbreviated constant 

1251 
@{const_syntax NAME}  syntax representation of any of the above 

1252 

1253 
* Antiquotation @{syntax_const NAME} ensures that NAME refers to a raw 

1254 
syntax constant (cf. 'syntax' command). 

1255 

1256 
* Antiquotation @{make_string} inlines a function to print arbitrary 

1257 
values similar to the ML toplevel. The result is compiler dependent 

1258 
and may fall back on "?" in certain situations. 

1259 

1260 
* Diagnostic commands 'ML_val' and 'ML_command' may refer to 

1261 
antiquotations @{Isar.state} and @{Isar.goal}. This replaces impure 

1262 
Isar.state() and Isar.goal(), which belong to the old TTY loop and do 

1263 
not work with the asynchronous Isar document model. 

1264 

1265 
* Configuration options now admit dynamic default values, depending on 

1266 
the context or even global references. 

1267 

1268 
* SHA1.digest digests strings according to SHA1 (see RFC 3174). It 

1269 
uses an efficient external library if available (for Poly/ML). 

1270 

37144  1271 
* Renamed some important ML structures, while keeping the old names 
1272 
for some time as aliases within the structure Legacy: 

1273 

1274 
OuterKeyword ~> Keyword 

1275 
OuterLex ~> Token 

1276 
OuterParse ~> Parse 

1277 
OuterSyntax ~> Outer_Syntax 

37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37158
diff
changeset

1278 
PrintMode ~> Print_Mode 
37144  1279 
SpecParse ~> Parse_Spec 
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37158
diff
changeset

1280 
ThyInfo ~> Thy_Info 
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37158
diff
changeset

1281 
ThyLoad ~> Thy_Load 
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37158
diff
changeset

1282 
ThyOutput ~> Thy_Output 
37145
01aa36932739
renamed structure TypeInfer to Type_Infer, keeping the old name as legacy alias for some time;
wenzelm
parents:
37144
diff
changeset

1283 
TypeInfer ~> Type_Infer 
37144  1284 

1285 
Note that "open Legacy" simplifies porting of sources, but forgetting 

1286 
to remove it again will complicate porting again in the future. 

1287 

1288 
* Most operations that refer to a global context are named 

1289 
accordingly, e.g. Simplifier.global_context or 

1290 
ProofContext.init_global. There are some situations where a global 

1291 
context actually works, but under normal circumstances one needs to 

1292 
pass the proper local context through the code! 

1293 

1294 
* Discontinued old TheoryDataFun with its copy/init operation  data 

1295 
needs to be pure. Functor Theory_Data_PP retains the traditional 

1296 
Pretty.pp argument to merge, which is absent in the standard 

1297 
Theory_Data version. 

36429
9d6b3be996d4
monotonic sort certification: sorts are no longer minimized at the kernel boundary, only when reading input from the enduser;
wenzelm
parents:
36416
diff
changeset

1298 

37144  1299 
* Sorts.certify_sort and derived "cert" operations for types and terms 
1300 
no longer minimize sorts. Thus certification at the boundary of the 

1301 
inference kernel becomes invariant under addition of class relations, 

1302 
which is an important monotonicity principle. Sorts are now minimized 

1303 
in the syntax layer only, at the boundary between the enduser and the 

1304 
system. Subtle INCOMPATIBILITY, may have to use Sign.minimize_sort 

1305 
explicitly in rare situations. 

1306 

35021
c839a4c670c6
renamed oldstyle Drule.standard to Drule.export_without_context, to emphasize that this is in no way a standard operation;
wenzelm
parents:
35009
diff
changeset

1307 
* Renamed oldstyle Drule.standard to Drule.export_without_context, to 
c839a4c670c6
renamed oldstyle Drule.standard to Drule.export_without_context, to emphasize that this is in no way a standard operation;
wenzelm
parents:
35009
diff
changeset

1308 
emphasize that this is in no way a standard operation. 
c839a4c670c6
renamed oldstyle Drule.standard to Drule.export_without_context, to emphasize that this is in no way a standard operation;
wenzelm
parents:
35009
diff
changeset

1309 
INCOMPATIBILITY. 
c839a4c670c6
renamed oldstyle Drule.standard to Drule.export_without_context, to emphasize that this is in no way a standard operation;
wenzelm
parents:
35009
diff
changeset

1310 

34076
e3daf3c07381
Subgoal.FOCUS (and variants): resulting goal state is normalized as usual for resolution;
wenzelm
parents:
34062
diff
changeset

1311 
* Subgoal.FOCUS (and variants): resulting goal state is normalized as 
e3daf3c07381
Subgoal.FOCUS (and variants): resulting goal state is normalized as usual for resolution;
wenzelm
parents:
34062
diff
changeset

1312 
usual for resolution. Rare INCOMPATIBILITY. 
e3daf3c07381
Subgoal.FOCUS (and variants): resulting goal state is normalized as usual for resolution;
wenzelm
parents:
34062
diff
changeset

1313 

35845
e5980f0ad025
renamed varify/unvarify operations to varify_global/unvarify_global to emphasize that these only work in a global situation;
wenzelm
parents:
35810
diff
changeset

1314 
* Renamed varify/unvarify operations to varify_global/unvarify_global 
e5980f0ad025
renamed varify/unvarify operations to varify_global/unvarify_global to emphasize that these only work in a global situation;
wenzelm
parents:
35810
diff
changeset

1315 
to emphasize that these only work in a global situation (which is 
e5980f0ad025
renamed varify/unvarify operations to varify_global/unvarify_global to emphasize that these only work in a global situation;
wenzelm
parents:
35810
diff
changeset

1316 
quite rare). 
e5980f0ad025
renamed varify/unvarify operations to varify_global/unvarify_global to emphasize that these only work in a global situation;
wenzelm
parents:
35810
diff
changeset

1317 

37144  1318 
* Curried take and drop in library.ML; negative length is interpreted 
1319 
as infinity (as in chop). Subtle INCOMPATIBILITY. 

36961  1320 

37351  1321 
* Proof terms: type substitutions on proof constants now use canonical 
1322 
order of type variables. INCOMPATIBILITY for tools working with proof 

1323 
terms. 

1324 

1325 
* Raw axioms/defs may no longer carry sort constraints, and raw defs 

1326 
may no longer carry premises. Userlevel specifications are 

1327 
transformed accordingly by Thm.add_axiom/add_def. 

1328 

33993  1329 

34238  1330 
*** System *** 
1331 

1332 
* Discontinued special HOL_USEDIR_OPTIONS for the main HOL image; 

1333 
ISABELLE_USEDIR_OPTIONS applies uniformly to all sessions. Note that 

1334 
proof terms are enabled unconditionally in the new HOLProofs image. 

1335 

34255
2dd2547acb41
discontinued old ISABELLE and ISATOOL environment settings;
wenzelm
parents:
34238
diff
changeset

1336 
* Discontinued old ISABELLE and ISATOOL environment settings (legacy 
2dd2547acb41
discontinued old ISABELLE and ISATOOL environment settings;
wenzelm
parents:
34238
diff
changeset

1337 
feature since Isabelle2009). Use ISABELLE_PROCESS and ISABELLE_TOOL, 
2dd2547acb41
discontinued old ISABELLE and ISATOOL environment settings;
wenzelm
parents:
34238
diff
changeset

1338 
respectively. 
2dd2547acb41
discontinued old ISABELLE and ISATOOL environment settings;
wenzelm
parents:
34238
diff
changeset

1339 

36201
07d4f74abd12
polymlplatform script is superseded by ISABELLE_PLATFORM;
wenzelm
parents:
36178
diff
changeset

1340 
* Old lib/scripts/polymlplatform is superseded by the 
07d4f74abd12
polymlplatform script is superseded by ISABELLE_PLATFORM;
wenzelm
parents:
36178
diff
changeset

1341 
ISABELLE_PLATFORM setting variable, which defaults to the 32 bit 
07d4f74abd12
polymlplatform script is superseded by ISABELLE_PLATFORM;
wenzelm
parents:
36178
diff
changeset

1342 
variant, even on a 64 bit machine. The following example setting 
07d4f74abd12
polymlplatform script is superseded by ISABELLE_PLATFORM;
wenzelm
parents:
36178
diff
changeset

1343 
prefers 64 bit if available: 
07d4f74abd12
polymlplatform script is superseded by ISABELLE_PLATFORM;
wenzelm
parents:
36178
diff
changeset

1344 

07d4f74abd12
polymlplatform script is superseded by ISABELLE_PLATFORM;
wenzelm
parents:
36178
diff
changeset

1345 
ML_PLATFORM="${ISABELLE_PLATFORM64:$ISABELLE_PLATFORM}" 
07d4f74abd12
polymlplatform script is superseded by ISABELLE_PLATFORM;
wenzelm
parents:
36178
diff
changeset

1346 

37218  1347 
* The preliminary Isabelle/jEdit application demonstrates the emerging 
1348 
Isabelle/Scala layer for advanced prover interaction and integration. 

1349 
See src/Tools/jEdit or "isabelle jedit" provided by the properly built 

1350 
component. 

1351 

37375  1352 
* "IsabelleText" is a Unicode font derived from Bitstream Vera Mono 
1353 
and Bluesky TeX fonts. It provides the usual Isabelle symbols, 

1354 
similar to the default assignment of the document preparation system 

1355 
(cf. isabellesym.sty). The Isabelle/Scala class Isabelle_System 

1356 
provides some operations for direct access to the font without asking 

1357 
the user for manual installation. 

1358 

34238  1359 

33993  1360 

33842  1361 
New in Isabelle20091 (December 2009) 
1362 
 

30904  1363 

31547  1364 
*** General *** 
1365 

1366 
* Discontinued old form of "escaped symbols" such as \\<forall>. Only 

1367 
one backslash should be used, even in ML sources. 

1368 

1369 

30951
a6e26a248f03
formal declaration of undefined parameters after class instantiation
haftmann
parents:
30949
diff
changeset

1370 
*** Pure *** 
a6e26a248f03
formal declaration of undefined parameters after class instantiation
haftmann
parents:
30949
diff
changeset

1371 

32846
29941e925c82
News entry: inheritance of mixins; print_interps.
ballarin
parents:
32775
diff
changeset

1372 
* Locale interpretation propagates mixins along the locale hierarchy. 
29941e925c82
News entry: inheritance of mixins; print_interps.
ballarin
parents:
32775
diff
changeset

1373 
The currently only available mixins are the equations used to map 
29941e925c82
News entry: inheritance of mixins; print_interps.
ballarin
parents:
32775
diff
changeset

1374 
local definitions to terms of the target domain of an interpretation. 
29941e925c82
News entry: inheritance of mixins; print_interps.
ballarin
parents:
32775
diff
changeset

1375 

33842  1376 
* Reactivated diagnostic command 'print_interps'. Use "print_interps 
1377 
loc" to print all interpretations of locale "loc" in the theory. 

1378 
Interpretations in proofs are not shown. 

32846
29941e925c82
News entry: inheritance of mixins; print_interps.
ballarin
parents:
32775
diff
changeset

1379 

32983  1380 
* Thoroughly revised locales tutorial. New section on conditional 
1381 
interpretation. 

1382 

33843  1383 
* On instantiation of classes, remaining undefined class parameters 
1384 
are formally declared. INCOMPATIBILITY. 

1385 

30951
a6e26a248f03
formal declaration of undefined parameters after class instantiation
haftmann
parents:
30949
diff
changeset

1386 

33842  1387 
*** Document preparation *** 
1388 

1389 
* New generalized style concept for printing terms: @{foo (style) ...} 

1390 
instead of @{foo_style style ...} (old form is still retained for 

1391 
backward compatibility). Styles can be also applied for 

1392 
antiquotations prop, term_type and typeof. 

32891  1393 

1394 

30930  1395 
*** HOL *** 
1396 

33842  1397 
* New proof method "smt" for a combination of firstorder logic with 
1398 
equality, linear and nonlinear (natural/integer/real) arithmetic, and 

1399 
fixedsize bitvectors; there is also basic support for higherorder 

1400 
features (esp. lambda abstractions). It is an incomplete decision 

1401 
procedure based on external SMT solvers using the oracle mechanism; 

1402 
for the SMT solver Z3, this method is proofproducing. Certificates 

1403 
are provided to avoid calling the external solvers solely for 

1404 
rechecking proofs. Due to a remote SMT service there is no need for 

1405 
installing SMT solvers locally. See src/HOL/SMT. 

1406 

1407 
* New commands to load and prove verification conditions generated by 

efa1b89c79e0
misc tunin 