author  kleing 
Fri, 13 Feb 2009 07:59:30 +1100  
changeset 29883  14841d4c808e 
parent 29862  d203e9d4675b 
child 30044  f9182081d6c6 
permissions  rwrr 
5363  1 
Isabelle NEWS  history userrelevant changes 
2 
============================================== 

2553  3 

27122  4 
New in this Isabelle version 
5 
 

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27599  7 
*** General *** 
8 

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* Simplified main Isabelle executables, with less surprises on 
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10 
caseinsensitive filesystems (such as Mac OS). 
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11 

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12 
 The main Isabelle tool wrapper is now called "isabelle" instead of 
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13 
"isatool." 
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14 

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15 
 The former "isabelle" alias for "isabelleprocess" has been 
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16 
removed (should rarely occur to regular users). 
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17 

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 The former "isabelleinterface" and its alias "Isabelle" have been 
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19 
removed (interfaces are now regular Isabelle tools). 
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20 

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21 
Within scripts and make files, the Isabelle environment variables 
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22 
ISABELLE_TOOL and ISABELLE_PROCESS replace old ISATOOL and ISABELLE, 
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23 
respectively. (The latter are still available as legacy feature.) 
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24 

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The old isabelleinterface wrapper could react in confusing ways if 
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26 
the interface was uninstalled or changed otherwise. Individual 
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27 
interface tool configuration is now more explicit, see also the 
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28 
Isabelle system manual. In particular, Proof General is now available 
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29 
via "isabelle emacs". 
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30 

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31 
INCOMPATIBILITY, need to adapt derivative scripts. Users may need to 
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32 
purge installed copies of Isabelle executables and rerun "isabelle 
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33 
install p ...", or use symlinks. 
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34 

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* The default for ISABELLE_HOME_USER is now ~/.isabelle instead of the 
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old ~/isabelle, which was slightly nonstandard and apt cause 
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37 
surprises on caseinsensitive filesystems. 
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38 

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39 
INCOMPATIBILITY, need to move existing ~/isabelle/etc, 
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40 
~/isabelle/heaps, ~/isabelle/browser_info to the new place. Special 
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care is required when using older releases of Isabelle. Note that 
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ISABELLE_HOME_USER can be changed in Isabelle/etc/settings of any 
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43 
Isabelle distribution. 
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44 

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* Proofs of fully specified statements are run in parallel on 
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multicore systems. A speedup factor of 23 can be expected on a 
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47 
regular 4core machine, if the initial heap space is made reasonably 
29162  48 
large (cf. Poly/ML option H). [Poly/ML 5.2.1 or later] 
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49 

28252  50 
* The Isabelle System Manual (system) has been updated, with formally 
51 
checked references as hyperlinks. 

52 

27599  53 
* Generalized Isar history, with support for linear undo, direct state 
54 
addressing etc. 

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55 

27191  56 
* Recovered hiding of consts, which was accidentally broken in 
57 
Isabelle2007. Potential INCOMPATIBILITY, ``hide const c'' really 

58 
makes c inaccessible; consider using ``hide (open) const c'' instead. 

59 

27599  60 
* Removed exotic 'token_translation' command. INCOMPATIBILITY, use ML 
61 
interface instead. 

62 

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* There is a new syntactic category "float_const" for signed decimal 
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64 
fractions (e.g. 123.45 or 123.45). 
28964  65 

27599  66 

67 
*** Pure *** 

68 

29608  69 
* Class declaration: sc. "base sort" must not be given in import list 
70 
any longer but is inferred from the specification. Particularly in HOL, 

71 
write 

72 

73 
class foo = ... instead of class foo = type + ... 

74 

29616  75 
* Type binding gradually replaces formerly used type bstring for names 
28965  76 
to be bound. Name space interface for declarations has been simplified: 
77 

78 
NameSpace.declare: NameSpace.naming 

29616  79 
> binding > NameSpace.T > string * NameSpace.T 
28965  80 
NameSpace.bind: NameSpace.naming 
29616  81 
> binding * 'a > 'a NameSpace.table > string * 'a NameSpace.table 
28965  82 
(*exception Symtab.DUP*) 
83 

84 
See further modules src/Pure/General/binding.ML and 

85 
src/Pure/General/name_space.ML 

86 

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* Module moves in repository: 
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88 
src/Pure/Tools/value.ML ~> src/Tools/ 
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src/Pure/Tools/quickcheck.ML ~> src/Tools/ 
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90 

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91 
* Slightly more coherent Pure syntax, with updated documentation in 
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92 
isarref manual. Removed locales meta_term_syntax and 
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meta_conjunction_syntax: TERM and &&& (formerly &&) are now permanent, 
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INCOMPATIBILITY in rare situations. 
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95 

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* Goaldirected proof now enforces strict proof irrelevance wrt. sort 
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hypotheses. Sorts required in the course of reasoning need to be 
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covered by the constraints in the initial statement, completed by the 
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99 
type instance information of the background theory. Nontrivial sort 
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100 
hypotheses, which rarely occur in practice, may be specified via 
28633  101 
vacuous propositions of the form SORT_CONSTRAINT('a::c). For example: 
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102 

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lemma assumes "SORT_CONSTRAINT('a::empty)" shows False ... 
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The result contains an implicit sort hypotheses as before  
28631  106 
SORT_CONSTRAINT premises are eliminated as part of the canonical rule 
107 
normalization. 

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108 

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* Changed defaults for unify configuration options: 
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110 

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unify_trace_bound = 50 (formerly 25) 
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unify_search_bound = 60 (formerly 30) 
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113 

28143  114 
* Different bookkeeping for code equations: 
115 
a) On theory merge, the last set of code equations for a particular constant 

116 
is taken (in accordance with the policy applied by other parts of the 

117 
code generator framework). 

118 
b) Code equations stemming from explicit declarations (e.g. code attribute) 

119 
gain priority over default code equations stemming from definition, primrec, 

120 
fun etc. 

121 
INCOMPATIBILITY. 

122 

28058  123 
* Global versions of theorems stemming from classes do not carry 
124 
a parameter prefix any longer. INCOMPATIBILITY. 

125 

28710  126 
* Dropped locale element "includes". This is a major INCOMPATIBILITY. 
127 
In existing theorem specifications replace the includes element by the 

128 
respective context elements of the included locale, omitting those that 

129 
are already present in the theorem specification. Multiple assume 

130 
elements of a locale should be replaced by a single one involving the 

131 
locale predicate. In the proof body, declarations (most notably 

132 
theorems) may be regained by interpreting the respective locales in the 

133 
proof context as required (command "interpret"). 

134 
If using "includes" in replacement of a target solely because the 

135 
parameter types in the theorem are not as general as in the target, 

136 
consider declaring a new locale with additional type constraints on the 

137 
parameters (context element "constrains"). 

138 

29253  139 
* Dropped "locale (open)". INCOMPATIBILITY. 
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* Interpretation commands no longer attempt to simplify goal. 
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INCOMPATIBILITY: in rare situations the generated goal differs. Use 
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methods intro_locales and unfold_locales to clarify. 
27681  144 

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* Interpretation commands no longer accept interpretation attributes. 
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INCOMPATBILITY. 
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147 

29253  148 
* Complete reimplementation of locales. INCOMPATIBILITY. 
149 
The most important changes are listed below. See documentation 

150 
(forthcoming) and tutorial (also forthcoming) for details. 

151 

152 
 In locale expressions, instantiation replaces renaming. Parameters 

153 
must be declared in a for clause. To aid compatibility with previous 

154 
parameter inheritance, in locale declarations, parameters that are not 

155 
'touched' (instantiation position "_" or omitted) are implicitly added 

156 
with their syntax at the beginning of the for clause. 

157 

158 
 Syntax from abbreviations and definitions in locales is available in 

159 
locale expressions and context elements. The latter is particularly 

160 
useful in locale declarations. 

161 

162 
 More flexible mechanisms to qualify names generated by locale 

163 
expressions. Qualifiers (prefixes) may be specified in locale 

164 
expressions. Available are normal qualifiers (syntax "name:") and strict 

165 
qualifiers (syntax "name!:"). The latter must occur in name references 

166 
and are useful to avoid accidental hiding of names, the former are 

167 
optional. Qualifiers derived from the parameter names of a locale are no 

168 
longer generated. 

169 

170 
 "sublocale l < e" replaces "interpretation l < e". The instantiation 

171 
clause in "interpretation" and "interpret" (square brackets) is no 

172 
longer available. Use locale expressions. 

173 

174 
 When converting proof scripts, be sure to replace qualifiers in 

175 
"interpretation" and "interpret" by strict qualifiers. Qualifiers in 

176 
locale expressions range over a single locale instance only. 

177 

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* Command 'instance': attached definitions no longer accepted. 
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179 
INCOMPATIBILITY, use proper 'instantiation' target. 
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180 

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* Keyword 'code_exception' now named 'code_abort'. INCOMPATIBILITY. 
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182 

28114  183 
* The 'axiomatization' command now only works within a global theory 
184 
context. INCOMPATIBILITY. 

185 

29883  186 
* New find_theorems criterion "solves" matching theorems that 
187 
directly solve the current goal. Try "find_theorems solves". 

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188 

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189 
* Added an auto solve option, which can be enabled through the 
29883  190 
ProofGeneral Isabelle settings menu (disabled by default). 
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191 

29883  192 
When enabled, find_theorems solves is called whenever a new lemma is 
193 
stated. Any theorems that could solve the lemma directly are listed 

194 
underneath the goal. 

195 

196 
* New command find_consts searches for constants based on type and name 

197 
patterns, e.g. 

198 

199 
find_consts "_ => bool" 

200 

201 
By default, matching is against subtypes, but it may be restricted to the 

202 
whole type. Searching by name is possible. Multiple queries are conjunctive 

203 
and queries may be negated by prefixing them with a hyphen: 

204 

205 
find_consts strict: "_ => bool" name: "Int" "int => int" 

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207 

27381  208 
*** Document preparation *** 
209 

210 
* Antiquotation @{lemma} now imitates a regular terminal proof, 

27392  211 
demanding keyword 'by' and supporting the full method expression 
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syntax just like the Isar command 'by'. 
27381  213 

214 

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*** HOL *** 
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216 

29797  217 
* Auxiliary class "itself" has disappeared  classes without any parameter 
218 
are treated as expected by the 'class' command. 

219 

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* Leibnitz's Series for Pi and the arcus tangens and logarithm series. 
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221 

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* Common decision procedures (Cooper, MIR, Ferrack, Approximation, Dense_Linear_Order) 
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223 
now in directory HOL/Decision_Procs. 
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224 

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* Theory HOL/Decisioin_Procs/Approximation.thy provides the new proof method 
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226 
"approximation". It proves formulas on real values by using interval arithmetic. 
29810  227 
In the formulas are also the transcendental functions sin, cos, tan, atan, ln, 
29823
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exp and the constant pi are allowed. For examples see HOL/ex/ApproximationEx.thy. 
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229 

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230 
* Theory "Reflection" now resides in HOL/Library. 
29650  231 

29628  232 
* Entry point to Word library now simply named "Word". INCOMPATIBILITY. 
233 

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* Made source layout more coherent with logical distribution 
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235 
structure: 
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236 

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src/HOL/Library/RType.thy ~> src/HOL/Typerep.thy 
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src/HOL/Library/Code_Message.thy ~> src/HOL/ 
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src/HOL/Library/GCD.thy ~> src/HOL/ 
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src/HOL/Library/Order_Relation.thy ~> src/HOL/ 
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src/HOL/Library/Parity.thy ~> src/HOL/ 
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src/HOL/Library/Univ_Poly.thy ~> src/HOL/ 
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243 
src/HOL/Real/ContNotDenum.thy ~> src/HOL/ 
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src/HOL/Real/Lubs.thy ~> src/HOL/ 
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src/HOL/Real/PReal.thy ~> src/HOL/ 
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src/HOL/Real/Rational.thy ~> src/HOL/ 
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src/HOL/Real/RComplete.thy ~> src/HOL/ 
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248 
src/HOL/Real/RealDef.thy ~> src/HOL/ 
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src/HOL/Real/RealPow.thy ~> src/HOL/ 
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250 
src/HOL/Real/Real.thy ~> src/HOL/ 
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251 
src/HOL/Complex/Complex_Main.thy ~> src/HOL/ 
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252 
src/HOL/Complex/Complex.thy ~> src/HOL/ 
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253 
src/HOL/Complex/FrechetDeriv.thy ~> src/HOL/ 
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src/HOL/Complex/Fundamental_Theorem_Algebra.thy ~> src/HOL/ 
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255 
src/HOL/Hyperreal/Deriv.thy ~> src/HOL/ 
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src/HOL/Hyperreal/Fact.thy ~> src/HOL/ 
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src/HOL/Hyperreal/Integration.thy ~> src/HOL/ 
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src/HOL/Hyperreal/Lim.thy ~> src/HOL/ 
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259 
src/HOL/Hyperreal/Ln.thy ~> src/HOL/ 
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260 
src/HOL/Hyperreal/Log.thy ~> src/HOL/ 
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src/HOL/Hyperreal/MacLaurin.thy ~> src/HOL/ 
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src/HOL/Hyperreal/NthRoot.thy ~> src/HOL/ 
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263 
src/HOL/Hyperreal/Series.thy ~> src/HOL/ 
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src/HOL/Hyperreal/SEQ.thy ~> src/HOL/ 
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265 
src/HOL/Hyperreal/Taylor.thy ~> src/HOL/ 
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266 
src/HOL/Hyperreal/Transcendental.thy ~> src/HOL/ 
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267 
src/HOL/Real/Float ~> src/HOL/Library/ 
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src/HOL/Real/HahnBanach ~> src/HOL/HahnBanach 
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src/HOL/Real/RealVector.thy ~> src/HOL/ 
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270 

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src/HOL/arith_data.ML ~> src/HOL/Tools 
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src/HOL/hologic.ML ~> src/HOL/Tools 
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src/HOL/simpdata.ML ~> src/HOL/Tools 
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274 
src/HOL/int_arith1.ML ~> src/HOL/Tools/int_arith.ML 
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275 
src/HOL/int_factor_simprocs.ML ~> src/HOL/Tools 
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src/HOL/nat_simprocs.ML ~> src/HOL/Tools 
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src/HOL/Real/float_arith.ML ~> src/HOL/Tools 
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278 
src/HOL/Real/float_syntax.ML ~> src/HOL/Tools 
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279 
src/HOL/Real/rat_arith.ML ~> src/HOL/Tools 
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280 
src/HOL/Real/real_arith.ML ~> src/HOL/Tools 
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281 

29398  282 
src/HOL/Library/Array.thy ~> src/HOL/Imperative_HOL 
283 
src/HOL/Library/Heap_Monad.thy ~> src/HOL/Imperative_HOL 

284 
src/HOL/Library/Heap.thy ~> src/HOL/Imperative_HOL 

285 
src/HOL/Library/Imperative_HOL.thy ~> src/HOL/Imperative_HOL 

286 
src/HOL/Library/Ref.thy ~> src/HOL/Imperative_HOL 

287 
src/HOL/Library/Relational.thy ~> src/HOL/Imperative_HOL 

288 

28741  289 
* If methods "eval" and "evaluation" encounter a structured proof state 
290 
with !!/==>, only the conclusion is evaluated to True (if possible), 

291 
avoiding strange error messages. 

292 

293 
* Simplifier: simproc for let expressions now unfolds if bound variable 

294 
occurs at most one time in let expression body. INCOMPATIBILITY. 

295 

28685  296 
* New classes "top" and "bot" with corresponding operations "top" and "bot" 
297 
in theory Orderings; instantiation of class "complete_lattice" requires 

298 
instantiation of classes "top" and "bot". INCOMPATIBILITY. 

299 

300 
* Changed definition lemma "less_fun_def" in order to provide an instance 

301 
for preorders on functions; use lemma "less_le" instead. INCOMPATIBILITY. 

302 

28604
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* Unified theorem tables for both code code generators. Thus 
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[code func] has disappeared and only [code] remains. INCOMPATIBILITY. 
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305 

28685  306 
* Constants "undefined" and "default" replace "arbitrary". Usually 
307 
"undefined" is the right choice to replace "arbitrary", though logically 

308 
there is no difference. INCOMPATIBILITY. 

28604
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309 

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310 
* Generic ATP manager for Sledgehammer, based on ML threads instead of 
28605  311 
Posix processes. Avoids potentially expensive forking of the ML 
312 
process. New threadbased implementation also works on nonUnix 

313 
platforms (Cygwin). Provers are no longer hardwired, but defined 

28606  314 
within the theory via plain ML wrapper functions. Basic Sledgehammer 
315 
commands are covered in the isarref manual 

28604
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316 

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317 
* Wrapper scripts for remote SystemOnTPTP service allows to use 
28475  318 
sledgehammer without local ATP installation (Vampire etc.). See also 
319 
ISABELLE_HOME/contrib/SystemOnTPTP and the VAMPIRE_HOME setting 

28604
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320 
variable. Other provers may be included via suitable ML wrappers, see 
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321 
also src/HOL/ATP_Linkup.thy. 
28474
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322 

28350  323 
* Normalization by evaluation now allows nonleftlinear equations. 
324 
Declare with attribute [code nbe]. 

325 

326 
* Command "value" now integrates different evaluation 

28248  327 
mechanisms. The result of the first successful evaluation mechanism 
328 
is printed. In square brackets a particular named evaluation 

329 
mechanisms may be specified (currently, [SML], [code] or [nbe]). See 

330 
further src/HOL/ex/Eval_Examples.thy. 

28227  331 

29125
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332 
* New method "sizechange" to automate termination proofs using (a 
29182  333 
modification of) the sizechange principle. Requires SAT solver. See 
334 
src/HOL/ex/Termination.thy for examples. 

29125
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335 

28088
723735f2d73a
* Name bindings in higher specification mechanisms;
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336 
* HOL/Orderings: class "wellorder" moved here, with explicit induction 
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* Name bindings in higher specification mechanisms;
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337 
rule "less_induct" as assumption. For instantiation of "wellorder" by 
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338 
means of predicate "wf", use rule wf_wellorderI. INCOMPATIBILITY. 
27823  339 

27793  340 
* HOL/Orderings: added class "preorder" as superclass of "order". 
341 
INCOMPATIBILITY: Instantiation proofs for order, linorder 

342 
etc. slightly changed. Some theorems named order_class.* now named 

343 
preorder_class.*. 

344 

28855  345 
* HOL/Finite_Set: added a new fold combinator of type 
346 
('a => 'b => 'b) => 'b => 'a set => 'b 

347 
Occasionally this is more convenient than the old fold combinator which is 

348 
now defined in terms of the new one and renamed to fold_image. 

349 

29671  350 
* HOL/Ring_and_Field and HOL/OrderedGroup: The lemmas "group_simps" and 
351 
"ring_simps" have been replaced by "algebra_simps" (which can be extended with 

352 
further lemmas!). At the moment both still exist but the former will disappear 

353 
at some point. 

354 

27793  355 
* HOL/Ring_and_Field and HOL/Divides: Definition of "op dvd" has been 
356 
moved to separate class dvd in Ring_and_Field; a couple of lemmas on 

357 
dvd has been generalized to class comm_semiring_1. Likewise a bunch 

358 
of lemmas from Divides has been generalized from nat to class 

359 
semiring_div. INCOMPATIBILITY. This involves the following theorem 

360 
renames resulting from duplicate elimination: 

27651
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361 

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362 
dvd_def_mod ~> dvd_eq_mod_eq_0 
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363 
zero_dvd_iff ~> dvd_0_left_iff 
28559  364 
dvd_0 ~> dvd_0_right 
27651
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365 
DIVISION_BY_ZERO_DIV ~> div_by_0 
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366 
DIVISION_BY_ZERO_MOD ~> mod_by_0 
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367 
mult_div ~> div_mult_self2_is_id 
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368 
mult_mod ~> mod_mult_self2_is_0 
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369 

27599  370 
* HOL/Library/GCD: Curried operations gcd, lcm (for nat) and zgcd, 
371 
zlcm (for int); carried together from various gcd/lcm developements in 

372 
the HOL Distribution. zgcd and zlcm replace former igcd and ilcm; 

373 
corresponding theorems renamed accordingly. INCOMPATIBILY. To 

374 
recover tupled syntax, use syntax declarations like: 

27556  375 

376 
hide (open) const gcd 

377 
abbreviation gcd where 

378 
"gcd == (%(a, b). GCD.gcd a b)" 

379 
notation (output) 

380 
GCD.gcd ("gcd '(_, _')") 

381 

382 
(analogously for lcm, zgcd, zlcm). 

383 

384 
* HOL/Real/Rational: 'Fract k 0' now equals '0'. INCOMPATIBILITY. 

27551  385 

28964  386 
* The real numbers offer decimal input syntax: 12.34 is translated into 
387 
1234/10^4. This translation is not reversed upon output. 

388 

27651
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389 
* New ML antiquotation @{code}: takes constant as argument, generates 
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390 
corresponding code in background and inserts name of the corresponding 
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391 
resulting ML value/function/datatype constructor binding in place. 
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392 
All occurrences of @{code} with a single ML block are generated 
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393 
simultaneously. Provides a generic and safe interface for 
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394 
instrumentalizing code generation. See HOL/ex/Code_Antiq for a toy 
16a26996c30e
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395 
example, or HOL/Complex/ex/ReflectedFerrack for a more ambitious 
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396 
application. In future you ought refrain from adhoc compiling 
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397 
generated SML code on the ML toplevel. Note that (for technical 
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398 
reasons) @{code} cannot refer to constants for which userdefined 
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399 
serializations are set. Refer to the corresponding ML counterpart 
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400 
directly in that cases. 
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401 

27424  402 
* Integrated image HOLComplex with HOL. Entry points Main.thy and 
403 
Complex_Main.thy remain as they are. 

404 

27599  405 
* New image HOLPlain provides a minimal HOL with the most important 
406 
tools available (inductive, datatype, primrec, ...). By convention 

407 
the corresponding theory Plain should be ancestor of every further 

408 
(library) theory. Some library theories now have ancestor Plain 

409 
(instead of Main), thus theory Main occasionally has to be imported 

410 
explicitly. 

27421  411 

28248  412 
* The metis method now fails in the usual manner, rather than raising 
413 
an exception, if it determines that it cannot prove the theorem. 

28233
f14f34194f63
The metis method now fails in the usual manner, rather than raising an exception,
paulson
parents:
28227
diff
changeset

414 

28700
fb92b1d1b285
The metis method no longer fails because the theorem is too trivial
paulson
parents:
28685
diff
changeset

415 
* The metis method no longer fails because the theorem is too trivial 
fb92b1d1b285
The metis method no longer fails because the theorem is too trivial
paulson
parents:
28685
diff
changeset

416 
(contains the empty clause). 
fb92b1d1b285
The metis method no longer fails because the theorem is too trivial
paulson
parents:
28685
diff
changeset

417 

27324
904acdaf4299
induct_tac: mutual rules work as for method "induct";
wenzelm
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27305
diff
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418 
* Methods "case_tac" and "induct_tac" now refer to the very same rules 
904acdaf4299
induct_tac: mutual rules work as for method "induct";
wenzelm
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changeset

419 
as the structured Isar versions "cases" and "induct", cf. the 
904acdaf4299
induct_tac: mutual rules work as for method "induct";
wenzelm
parents:
27305
diff
changeset

420 
corresponding "cases" and "induct" attributes. Mutual induction rules 
904acdaf4299
induct_tac: mutual rules work as for method "induct";
wenzelm
parents:
27305
diff
changeset

421 
are now presented as a list of individual projections 
904acdaf4299
induct_tac: mutual rules work as for method "induct";
wenzelm
parents:
27305
diff
changeset

422 
(e.g. foo_bar.inducts for types foo and bar); the old format with 
904acdaf4299
induct_tac: mutual rules work as for method "induct";
wenzelm
parents:
27305
diff
changeset

423 
explicit HOL conjunction is no longer supported. INCOMPATIBILITY, in 
904acdaf4299
induct_tac: mutual rules work as for method "induct";
wenzelm
parents:
27305
diff
changeset

424 
rare situations a different rule is selected  notably nested tuple 
904acdaf4299
induct_tac: mutual rules work as for method "induct";
wenzelm
parents:
27305
diff
changeset

425 
elimination instead of former prod.exhaust: use explicit (case_tac t 
904acdaf4299
induct_tac: mutual rules work as for method "induct";
wenzelm
parents:
27305
diff
changeset

426 
rule: prod.exhaust) here. 
27122  427 

27141
9bfcdb1905e1
* Attributes cases, induct, coinduct support del option.
wenzelm
parents:
27122
diff
changeset

428 
* Attributes "cases", "induct", "coinduct" support "del" option. 
9bfcdb1905e1
* Attributes cases, induct, coinduct support del option.
wenzelm
parents:
27122
diff
changeset

429 

27122  430 
* Removed fact "case_split_thm", which duplicates "case_split". 
431 

432 
* Command 'rep_datatype': instead of theorem names the command now 

433 
takes a list of terms denoting the constructors of the type to be 

434 
represented as datatype. The characteristic theorems have to be 

435 
proven. INCOMPATIBILITY. Also observe that the following theorems 

436 
have disappeared in favour of existing ones: 

437 

27104
791607529f6d
rep_datatype command now takes list of constructors as input arguments
haftmann
parents:
27067
diff
changeset

438 
unit_induct ~> unit.induct 
791607529f6d
rep_datatype command now takes list of constructors as input arguments
haftmann
parents:
27067
diff
changeset

439 
prod_induct ~> prod.induct 
791607529f6d
rep_datatype command now takes list of constructors as input arguments
haftmann
parents:
27067
diff
changeset

440 
sum_induct ~> sum.induct 
791607529f6d
rep_datatype command now takes list of constructors as input arguments
haftmann
parents:
27067
diff
changeset

441 
Suc_Suc_eq ~> nat.inject 
791607529f6d
rep_datatype command now takes list of constructors as input arguments
haftmann
parents:
27067
diff
changeset

442 
Suc_not_Zero Zero_not_Suc ~> nat.distinct 
791607529f6d
rep_datatype command now takes list of constructors as input arguments
haftmann
parents:
27067
diff
changeset

443 

27122  444 
* Library/Nat_Infinity: added addition, numeral syntax and more 
445 
instantiations for algebraic structures. Removed some duplicate 

446 
theorems. Changes in simp rules. INCOMPATIBILITY. 

27104
791607529f6d
rep_datatype command now takes list of constructors as input arguments
haftmann
parents:
27067
diff
changeset

447 

28088
723735f2d73a
* Name bindings in higher specification mechanisms;
wenzelm
parents:
28085
diff
changeset

448 
* ATP selection (E/Vampire/Spass) is now via Proof General's settings 
723735f2d73a
* Name bindings in higher specification mechanisms;
wenzelm
parents:
28085
diff
changeset

449 
menu. 
28067  450 

27104
791607529f6d
rep_datatype command now takes list of constructors as input arguments
haftmann
parents:
27067
diff
changeset

451 

27696  452 
*** HOLAlgebra *** 
453 

27713
95b36bfe7fc4
New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents:
27704
diff
changeset

454 
* New locales for orders and lattices where the equivalence relation 
95b36bfe7fc4
New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents:
27704
diff
changeset

455 
is not restricted to equality. INCOMPATIBILITY: all order and 
95b36bfe7fc4
New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents:
27704
diff
changeset

456 
lattice locales use a record structure with field eq for the 
95b36bfe7fc4
New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents:
27704
diff
changeset

457 
equivalence. 
95b36bfe7fc4
New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents:
27704
diff
changeset

458 

95b36bfe7fc4
New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents:
27704
diff
changeset

459 
* New theory of factorial domains. 
95b36bfe7fc4
New locales for orders and lattices where the equivalence relation is not restricted to equality.
ballarin
parents:
27704
diff
changeset

460 

27696  461 
* Units_l_inv and Units_r_inv are now simprules by default. 
462 
INCOMPATIBILITY. Simplifier proof that require deletion of l_inv 

463 
and/or r_inv will now also require deletion of these lemmas. 

464 

465 
* Renamed the following theorems. INCOMPATIBILITY. 

466 
UpperD ~> Upper_memD 

467 
LowerD ~> Lower_memD 

468 
least_carrier ~> least_closed 

469 
greatest_carrier ~> greatest_closed 

470 
greatest_Lower_above ~> greatest_Lower_below 

27717
21bbd410ba04
Generalised polynomial lemmas from cring to ring.
ballarin
parents:
27713
diff
changeset

471 
one_zero ~> carrier_one_zero 
21bbd410ba04
Generalised polynomial lemmas from cring to ring.
ballarin
parents:
27713
diff
changeset

472 
one_not_zero ~> carrier_one_not_zero (collision with assumption) 
27696  473 

27793  474 

27485  475 
*** HOLNSA *** 
476 

477 
* Created new image HOLNSA, containing theories of nonstandard 

478 
analysis which were previously part of HOLComplex. Entry point 

479 
Hyperreal.thy remains valid, but theories formerly using 

480 
Complex_Main.thy should now use new entry point Hypercomplex.thy. 

481 

482 

27704  483 
*** ZF *** 
484 

485 
* Proof of Zorn's Lemma for partial orders. 

486 

487 

27246
df85326af57c
* Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents:
27200
diff
changeset

488 
*** ML *** 
28088
723735f2d73a
* Name bindings in higher specification mechanisms;
wenzelm
parents:
28085
diff
changeset

489 

29161
9903e84a9c9c
* Proofs of are run in parallel on multicore systems;
wenzelm
parents:
29145
diff
changeset

490 
* Highlevel support for concurrent ML programming, see 
9903e84a9c9c
* Proofs of are run in parallel on multicore systems;
wenzelm
parents:
29145
diff
changeset

491 
src/Pure/Cuncurrent. The dataoriented model of "future values" is 
9903e84a9c9c
* Proofs of are run in parallel on multicore systems;
wenzelm
parents:
29145
diff
changeset

492 
particularly convenient to organize independent functional 
9903e84a9c9c
* Proofs of are run in parallel on multicore systems;
wenzelm
parents:
29145
diff
changeset

493 
computations. The concept of "synchronized variables" provides a 
9903e84a9c9c
* Proofs of are run in parallel on multicore systems;
wenzelm
parents:
29145
diff
changeset

494 
higherorder interface for components with shared state, avoiding the 
29162  495 
delicate details of mutexes and condition variables. [Poly/ML 5.2.1 
496 
or later] 

29161
9903e84a9c9c
* Proofs of are run in parallel on multicore systems;
wenzelm
parents:
29145
diff
changeset

497 

28294  498 
* Simplified ML oracle interface Thm.add_oracle promotes 'a > cterm 
499 
to 'a > thm, while results are always tagged with an authentic oracle 

500 
name. The Isar command 'oracle' is now polymorphic, no argument type 

501 
is specified. INCOMPATIBILITY, need to simplify existing oracle code 

502 
accordingly. Note that extra performance may be gained by producing 

503 
the cterm carefully, avoiding slow Thm.cterm_of. 

504 

28282
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

505 
* ML bindings produced via Isar commands are stored within the Isar 
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

506 
context (theory or proof). Consequently, commands like 'use' and 'ML' 
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

507 
become threadsafe and work with undo as expected (concerning 
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

508 
toplevel bindings, not sideeffects on global references). 
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

509 
INCOMPATIBILITY, need to provide proper Isar context when invoking the 
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

510 
compiler at runtime; really global bindings need to be given outside a 
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

511 
theory. [Poly/ML 5.2 or later] 
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

512 

44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

513 
* Command 'ML_prf' is analogous to 'ML' but works within a proof 
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

514 
context. Toplevel ML bindings are stored within the proof context in 
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

515 
a purely sequential fashion, disregarding the nested proof structure. 
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

516 
ML bindings introduced by 'ML_prf' are discarded at the end of the 
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

517 
proof. [Poly/ML 5.2 or later] 
44664ffc9725
* ML bindings produced via Isar commands are stored within the Isar context.
wenzelm
parents:
28254
diff
changeset

518 

28099
fb16a07d6580
* Generic Toplevel.add_hook interface allows to analyze the result of
wenzelm
parents:
28089
diff
changeset

519 
* Generic Toplevel.add_hook interface allows to analyze the result of 
28103
b79e61861f0f
simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents:
28099
diff
changeset

520 
transactions. E.g. see src/Pure/ProofGeneral/proof_general_pgip.ML 
b79e61861f0f
simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents:
28099
diff
changeset

521 
for theorem dependency output of transactions resulting in a new 
b79e61861f0f
simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents:
28099
diff
changeset

522 
theory state. 
28099
fb16a07d6580
* Generic Toplevel.add_hook interface allows to analyze the result of
wenzelm
parents:
28089
diff
changeset

523 

28088
723735f2d73a
* Name bindings in higher specification mechanisms;
wenzelm
parents:
28085
diff
changeset

524 
* Name bindings in higher specification mechanisms (notably 
723735f2d73a
* Name bindings in higher specification mechanisms;
wenzelm
parents:
28085
diff
changeset

525 
LocalTheory.define, LocalTheory.note, and derived packages) are now 
723735f2d73a
* Name bindings in higher specification mechanisms;
wenzelm
parents:
28085
diff
changeset

526 
formalized as type Name.binding, replacing old bstring. 
723735f2d73a
* Name bindings in higher specification mechanisms;
wenzelm
parents:
28085
diff
changeset

527 
INCOMPATIBILITY, need to wrap strings via Name.binding function, see 
723735f2d73a
* Name bindings in higher specification mechanisms;
wenzelm
parents:
28085
diff
changeset

528 
also Name.name_of. Packages should pass name bindings given by the 
723735f2d73a
* Name bindings in higher specification mechanisms;
wenzelm
parents:
28085
diff
changeset

529 
user to underlying specification mechanisms; this enables precise 
723735f2d73a
* Name bindings in higher specification mechanisms;
wenzelm
parents:
28085
diff
changeset

530 
tracking of source positions, for example. 
723735f2d73a
* Name bindings in higher specification mechanisms;
wenzelm
parents:
28085
diff
changeset

531 

28089
66ae1926482a
* Result facts now refer to the *full* internal name;
wenzelm
parents:
28088
diff
changeset

532 
* Result facts (from PureThy.note_thms, ProofContext.note_thms, 
66ae1926482a
* Result facts now refer to the *full* internal name;
wenzelm
parents:
28088
diff
changeset

533 
LocalTheory.note etc.) now refer to the *full* internal name, not the 
66ae1926482a
* Result facts now refer to the *full* internal name;
wenzelm
parents:
28088
diff
changeset

534 
bstring as before. INCOMPATIBILITY, not detected by ML typechecking! 
66ae1926482a
* Result facts now refer to the *full* internal name;
wenzelm
parents:
28088
diff
changeset

535 

27246
df85326af57c
* Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents:
27200
diff
changeset

536 
* Rules and tactics that read instantiations (read_instantiate, 
df85326af57c
* Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents:
27200
diff
changeset

537 
res_inst_tac, thin_tac, subgoal_tac etc.) now demand a proper proof 
df85326af57c
* Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents:
27200
diff
changeset

538 
context, which is required for parsing and typechecking. Moreover, 
df85326af57c
* Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents:
27200
diff
changeset

539 
the variables are specified as plain indexnames, not string encodings 
df85326af57c
* Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents:
27200
diff
changeset

540 
thereof. INCOMPATIBILITY. 
df85326af57c
* Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents:
27200
diff
changeset

541 

27287  542 
* Disposed old type and term read functions (Sign.read_def_typ, 
543 
Sign.read_typ, Sign.read_def_terms, Sign.read_term, 

544 
Thm.read_def_cterms, Thm.read_cterm etc.). INCOMPATIBILITY, should 

545 
use regular Syntax.read_typ, Syntax.read_term, Syntax.read_typ_global, 

27269  546 
Syntax.read_term_global etc.; see also OldGoals.read_term as last 
547 
resort for legacy applications. 

548 

27380  549 
* Antiquotations: blockstructured compilation context indicated by 
27391  550 
\<lbrace> ... \<rbrace>; additional antiquotation forms: 
551 

27519
59b54d80d2ae
slightly improved @{lemma} (both for latex and ML);
wenzelm
parents:
27485
diff
changeset

552 
@{let ?pat = term}  term abbreviation (HO matching) 
59b54d80d2ae
slightly improved @{lemma} (both for latex and ML);
wenzelm
parents:
27485
diff
changeset

553 
@{note name = fact}  fact abbreviation 
59b54d80d2ae
slightly improved @{lemma} (both for latex and ML);
wenzelm
parents:
27485
diff
changeset

554 
@{thm fact}  singleton fact (with attributes) 
59b54d80d2ae
slightly improved @{lemma} (both for latex and ML);
wenzelm
parents:
27485
diff
changeset

555 
@{thms fact}  general fact (with attributes) 
59b54d80d2ae
slightly improved @{lemma} (both for latex and ML);
wenzelm
parents:
27485
diff
changeset

556 
@{lemma prop by method}  singleton goal 
59b54d80d2ae
slightly improved @{lemma} (both for latex and ML);
wenzelm
parents:
27485
diff
changeset

557 
@{lemma prop by meth1 meth2}  singleton goal 
59b54d80d2ae
slightly improved @{lemma} (both for latex and ML);
wenzelm
parents:
27485
diff
changeset

558 
@{lemma prop1 ... propN by method}  general goal 
59b54d80d2ae
slightly improved @{lemma} (both for latex and ML);
wenzelm
parents:
27485
diff
changeset

559 
@{lemma prop1 ... propN by meth1 meth2}  general goal 
59b54d80d2ae
slightly improved @{lemma} (both for latex and ML);
wenzelm
parents:
27485
diff
changeset

560 
@{lemma (open) ...}  open derivation 
27380  561 

27246
df85326af57c
* Rules and tactics that read instantiations now demand a proper context;
wenzelm
parents:
27200
diff
changeset

562 

27979  563 
*** System *** 
564 

28676
78688a5fafc2
multithreading support only for polyml5.2.1 or later;
wenzelm
parents:
28633
diff
changeset

565 
* Multithreading for Poly/ML 5.1/5.2 is no longer supported, only for 
78688a5fafc2
multithreading support only for polyml5.2.1 or later;
wenzelm
parents:
28633
diff
changeset

566 
Poly/ML 5.2.1 or later. 
28254
d67ba23e0277
multithreading for Poly/ML 5.1 is no longer supported;
wenzelm
parents:
28252
diff
changeset

567 

28248  568 
* The Isabelle "emacs" tool provides a specific interface to invoke 
569 
Proof General / Emacs, with more explicit failure if that is not 

570 
installed (the old isabelleinterface script silently falls back on 

571 
isabelleprocess). The PROOFGENERAL_HOME setting determines the 

572 
installation location of the Proof General distribution. 

573 

27979  574 
* Isabelle/lib/classes/Pure.jar provides basic support to integrate 
575 
the Isabelle process into a JVM/Scala application. See 

576 
Isabelle/lib/jedit/plugin for a minimal example. (The obsolete Java 

577 
process wrapper has been discontinued.) 

578 

579 
* Status messages (with exact source position information) are 

580 
emitted, if proper markup print mode is enabled. This allows 

581 
userinterface components to provide detailed feedback on internal 

582 
prover operations. 

583 

584 
* Homegrown Isabelle font with unicode layout, see Isabelle/lib/fonts. 

585 

586 

27143  587 

27008  588 
New in Isabelle2008 (June 2008) 
589 
 

25464
0ca80ce89001
moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents:
25459
diff
changeset

590 

25522  591 
*** General *** 
592 

27061  593 
* The Isabelle/Isar Reference Manual (isarref) has been reorganized 
594 
and updated, with formally checked references as hyperlinks. 

595 

25994  596 
* Theory loader: use_thy (and similar operations) no longer set the 
597 
implicit ML context, which was occasionally hard to predict and in 

598 
conflict with concurrency. INCOMPATIBILITY, use ML within Isar which 

599 
provides a proper context already. 

600 

26323
73efc70edeef
theory loader: discontinued *attached* ML scripts;
wenzelm
parents:
26315
diff
changeset

601 
* Theory loader: oldstyle ML proof scripts being *attached* to a thy 
73efc70edeef
theory loader: discontinued *attached* ML scripts;
wenzelm
parents:
26315
diff
changeset

602 
file are no longer supported. INCOMPATIBILITY, regular 'uses' and 
73efc70edeef
theory loader: discontinued *attached* ML scripts;
wenzelm
parents:
26315
diff
changeset

603 
'use' within a theory file will do the job. 
73efc70edeef
theory loader: discontinued *attached* ML scripts;
wenzelm
parents:
26315
diff
changeset

604 

26650  605 
* Name space merge now observes canonical order, i.e. the second space 
606 
is inserted into the first one, while existing entries in the first 

26659  607 
space take precedence. INCOMPATIBILITY in rare situations, may try to 
26650  608 
swap theory imports. 
609 

27067  610 
* Syntax: symbol \<chi> is now considered a letter. Potential 
611 
INCOMPATIBILITY in identifier syntax etc. 

612 

613 
* Outer syntax: string tokens no longer admit escaped white space, 

614 
which was an accidental (undocumented) feature. INCOMPATIBILITY, use 

615 
white space without escapes. 

616 

617 
* Outer syntax: string tokens may contain arbitrary character codes 

618 
specified via 3 decimal digits (as in SML). E.g. "foo\095bar" for 

619 
"foo_bar". 

620 

25522  621 

25502  622 
*** Pure *** 
623 

26718  624 
* Contextdependent token translations. Default setup reverts locally 
625 
fixed variables, and adds hilite markup for undeclared frees. 

626 

26681  627 
* Unused theorems can be found using the new command 'unused_thms'. 
628 
There are three ways of invoking it: 

629 

630 
(1) unused_thms 

631 
Only finds unused theorems in the current theory. 

632 

633 
(2) unused_thms thy_1 ... thy_n  

634 
Finds unused theorems in the current theory and all of its ancestors, 

635 
excluding the theories thy_1 ... thy_n and all of their ancestors. 

636 

637 
(3) unused_thms thy_1 ... thy_n  thy'_1 ... thy'_m 

638 
Finds unused theorems in the theories thy'_1 ... thy'_m and all of 

639 
their ancestors, excluding the theories thy_1 ... thy_n and all of 

640 
their ancestors. 

641 

26718  642 
In order to increase the readability of the list produced by 
643 
unused_thms, theorems that have been created by a particular instance 

26874  644 
of a theory command such as 'inductive' or 'function' are considered 
645 
to belong to the same "group", meaning that if at least one theorem in 

26718  646 
this group is used, the other theorems in the same group are no longer 
647 
reported as unused. Moreover, if all theorems in the group are 

648 
unused, only one theorem in the group is displayed. 

649 

650 
Note that proof objects have to be switched on in order for 

651 
unused_thms to work properly (i.e. !proofs must be >= 1, which is 

26874  652 
usually the case when using Proof General with the default settings). 
26681  653 

26650  654 
* Authentic naming of facts disallows adhoc overwriting of previous 
655 
theorems within the same name space. INCOMPATIBILITY, need to remove 

656 
duplicate fact bindings, or even accidental fact duplications. Note 

657 
that tools may maintain dynamically scoped facts systematically, using 

658 
PureThy.add_thms_dynamic. 

659 

26660  660 
* Command 'hide' now allows to hide from "fact" name space as well. 
661 

26496
49ae9456eba9
purely functional setup of claset/simpset/clasimpset;
wenzelm
parents:
26495
diff
changeset

662 
* Eliminated destructive theorem database, simpset, claset, and 
49ae9456eba9
purely functional setup of claset/simpset/clasimpset;
wenzelm
parents:
26495
diff
changeset

663 
clasimpset. Potential INCOMPATIBILITY, really need to observe linear 
49ae9456eba9
purely functional setup of claset/simpset/clasimpset;
wenzelm
parents:
26495
diff
changeset

664 
update of theories within ML code. 
26479  665 

26955
ebbaa935eae0
* Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents:
26925
diff
changeset

666 
* Eliminated theory ProtoPure and CPure, leaving just one Pure theory. 
ebbaa935eae0
* Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents:
26925
diff
changeset

667 
INCOMPATIBILITY, objectlogics depending on former Pure require 
ebbaa935eae0
* Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents:
26925
diff
changeset

668 
additional setup PureThy.old_appl_syntax_setup; objectlogics 
ebbaa935eae0
* Eliminated theory ProtoPure and CPure, leaving just one Pure theory.
wenzelm
parents:
26925
diff
changeset

669 
depending on former CPure need to refer to Pure. 
26650  670 

26495  671 
* Commands 'use' and 'ML' are now purely functional, operating on 
26479  672 
theory/local_theory. Removed former 'ML_setup' (on theory), use 'ML' 
673 
instead. Added 'ML_val' as mere diagnostic replacement for 'ML'. 

674 
INCOMPATIBILITY. 

675 

26874  676 
* Command 'setup': discontinued implicit version with ML reference. 
26434  677 

25970
9053fd546501
* Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents:
25961
diff
changeset

678 
* Instantiation target allows for simultaneous specification of class 
9053fd546501
* Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents:
25961
diff
changeset

679 
instance operations together with an instantiation proof. 
9053fd546501
* Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents:
25961
diff
changeset

680 
Typechecking phase allows to refer to class operations uniformly. 
27067  681 
See src/HOL/Complex/Complex.thy for an Isar example and 
682 
src/HOL/Library/Eval.thy for an ML example. 

25502  683 

26201
d3363a854708
indexing literal facts: exclude background context;
wenzelm
parents:
26197
diff
changeset

684 
* Indexing of literal facts: be more serious about including only 
d3363a854708
indexing literal facts: exclude background context;
wenzelm
parents:
26197
diff
changeset

685 
facts from the visible specification/proof context, but not the 
d3363a854708
indexing literal facts: exclude background context;
wenzelm
parents:
26197
diff
changeset

686 
background context (locale etc.). Affects `prop` notation and method 
d3363a854708
indexing literal facts: exclude background context;
wenzelm
parents:
26197
diff
changeset

687 
"fact". INCOMPATIBILITY: need to name facts explicitly in rare 
d3363a854708
indexing literal facts: exclude background context;
wenzelm
parents:
26197
diff
changeset

688 
situations. 
d3363a854708
indexing literal facts: exclude background context;
wenzelm
parents:
26197
diff
changeset

689 

26925
ce964f0df281
* Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents:
26920
diff
changeset

690 
* Method "cases", "induct", "coinduct": removed obsolete/undocumented 
ce964f0df281
* Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents:
26920
diff
changeset

691 
"(open)" option, which used to expose internal bound variables to the 
ce964f0df281
* Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents:
26920
diff
changeset

692 
proof text. 
ce964f0df281
* Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents:
26920
diff
changeset

693 

ce964f0df281
* Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents:
26920
diff
changeset

694 
* Isar statements: removed obsolete case "rule_context". 
ce964f0df281
* Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents:
26920
diff
changeset

695 
INCOMPATIBILITY, better use explicit fixes/assumes. 
ce964f0df281
* Method "cases", "induct", "coinduct": removed obsolete "(open)" option;
wenzelm
parents:
26920
diff
changeset

696 

26874  697 
* Locale proofs: default proof step now includes 'unfold_locales'; 
698 
hence 'proof' without argument may be used to unfold locale 

699 
predicates. 

26765  700 

701 

26762  702 
*** Document preparation *** 
703 

26914  704 
* Simplified pdfsetup.sty: color/hyperref is used unconditionally for 
705 
both pdf and dvi (hyperlinks usually work in xdvi as well); removed 

706 
obsolete thumbpdf setup (contemporary PDF viewers do this on the 

707 
spot); renamed link color from "darkblue" to "linkcolor" (default 

26920  708 
value unchanged, can be redefined via \definecolor); no longer sets 
709 
"a4paper" option (unnecessary or even intrusive). 

26914  710 

27008  711 
* Antiquotation @{lemma A method} proves proposition A by the given 
712 
method (either a method name or a method name plus (optional) method 

713 
arguments in parentheses) and prints A just like @{prop A}. 

26762  714 

715 

25464
0ca80ce89001
moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents:
25459
diff
changeset

716 
*** HOL *** 
0ca80ce89001
moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents:
25459
diff
changeset

717 

27067  718 
* New primrec package. Specification syntax conforms in style to 
719 
definition/function/.... No separate induction rule is provided. The 

720 
"primrec" command distinguishes oldstyle and newstyle specifications 

721 
by syntax. The former primrec package is now named OldPrimrecPackage. 

722 
When adjusting theories, beware: constants stemming from newstyle 

723 
primrec specifications have authentic syntax. 

724 

725 
* Metis prover is now an order of magnitude faster, and also works 

726 
with multithreading. 

727 

728 
* Metis: the maximum number of clauses that can be produced from a 

729 
theorem is now given by the attribute max_clauses. Theorems that 

730 
exceed this number are ignored, with a warning printed. 

731 

732 
* Sledgehammer no longer produces structured proofs by default. To 

733 
enable, declare [[sledgehammer_full = true]]. Attributes 

734 
reconstruction_modulus, reconstruction_sorts renamed 

735 
sledgehammer_modulus, sledgehammer_sorts. INCOMPATIBILITY. 

736 

27104
791607529f6d
rep_datatype command now takes list of constructors as input arguments
haftmann
parents:
27067
diff
changeset

737 
* Method "induct_scheme" derives userspecified induction rules 
27067  738 
from wellfounded induction and completeness of patterns. This factors 
739 
out some operations that are done internally by the function package 

740 
and makes them available separately. See 

741 
src/HOL/ex/Induction_Scheme.thy for examples. 

742 

743 
* More flexible generation of measure functions for termination 

744 
proofs: Measure functions can be declared by proving a rule of the 

745 
form "is_measure f" and giving it the [measure_function] attribute. 

746 
The "is_measure" predicate is logically meaningless (always true), and 

747 
just guides the heuristic. To find suitable measure functions, the 

748 
termination prover sets up the goal "is_measure ?f" of the appropriate 

749 
type and generates all solutions by prologstyle backwards proof using 

750 
the declared rules. 

751 

752 
This setup also deals with rules like 

753 

754 
"is_measure f ==> is_measure (list_size f)" 

755 

756 
which accommodates nested datatypes that recurse through lists. 

757 
Similar rules are predeclared for products and option types. 

758 

26964
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

759 
* Turned the type of sets "'a set" into an abbreviation for "'a => bool" 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

760 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

761 
INCOMPATIBILITIES: 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

762 

27008  763 
 Definitions of overloaded constants on sets have to be replaced by 
764 
definitions on => and bool. 

26964
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

765 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

766 
 Some definitions of overloaded operators on sets can now be proved 
27008  767 
using the definitions of the operators on => and bool. Therefore, 
768 
the following theorems have been renamed: 

26964
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

769 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

770 
subset_def > subset_eq 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

771 
psubset_def > psubset_eq 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

772 
set_diff_def > set_diff_eq 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

773 
Compl_def > Compl_eq 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

774 
Sup_set_def > Sup_set_eq 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

775 
Inf_set_def > Inf_set_eq 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

776 
sup_set_def > sup_set_eq 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

777 
inf_set_def > inf_set_eq 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

778 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

779 
 Due to the incompleteness of the HO unification algorithm, some 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

780 
rules such as subst may require manual instantiation, if some of 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

781 
the unknowns in the rule is a set. 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

782 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

783 
 Higher order unification and forward proofs: 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

784 
The proof pattern 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

785 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

786 
have "P (S::'a set)" <...> 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

787 
then have "EX S. P S" .. 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

788 

27008  789 
no longer works (due to the incompleteness of the HO unification 
790 
algorithm) and must be replaced by the pattern 

26964
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

791 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

792 
have "EX S. P S" 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

793 
proof 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

794 
show "P S" <...> 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

795 
qed 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

796 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

797 
 Calculational reasoning with subst (or similar rules): 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

798 
The proof pattern 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

799 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

800 
have "P (S::'a set)" <...> 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

801 
also have "S = T" <...> 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

802 
finally have "P T" . 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

803 

27008  804 
no longer works (for similar reasons as the previous example) and 
805 
must be replaced by something like 

26964
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

806 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

807 
have "P (S::'a set)" <...> 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

808 
moreover have "S = T" <...> 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

809 
ultimately have "P T" by simp 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

810 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

811 
 Tactics or packages written in ML code: 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

812 
Code performing pattern matching on types via 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

813 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

814 
Type ("set", [T]) => ... 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

815 

27008  816 
must be rewritten. Moreover, functions like strip_type or 
817 
binder_types no longer return the right value when applied to a 

818 
type of the form 

26964
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

819 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

820 
T1 => ... => Tn => U => bool 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

821 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

822 
rather than 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

823 

df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

824 
T1 => ... => Tn => U set 
df1f238a05f7
Added entry explaining incompatibilities introduced by replacing sets by predicates.
berghofe
parents:
26955
diff
changeset

825 

26874  826 
* Merged theories Wellfounded_Recursion, Accessible_Part and 
27067  827 
Wellfounded_Relations to theory Wellfounded. 
26748
4d51ddd6aa5c
Merged theories about wellfoundedness into one: Wellfounded.thy
krauss
parents:
26724
diff
changeset

828 

26513  829 
* Explicit class "eq" for executable equality. INCOMPATIBILITY. 
830 

26874  831 
* Class finite no longer treats UNIV as class parameter. Use class 
832 
enum from theory Library/Enum instead to achieve a similar effect. 

26445  833 
INCOMPATIBILITY. 
834 

26874  835 
* Theory List: rule list_induct2 now has explicitly named cases "Nil" 
836 
and "Cons". INCOMPATIBILITY. 

837 

26422
d5883907c514
HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents:
26401
diff
changeset

838 
* HOL (and FOL): renamed variables in rules imp_elim and swap. 
d5883907c514
HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents:
26401
diff
changeset

839 
Potential INCOMPATIBILITY. 
d5883907c514
HOL (and FOL): renamed variables in rules imp_elim and swap;
wenzelm
parents:
26401
diff
changeset

840 

26874  841 
* Theory Product_Type: duplicated lemmas split_Pair_apply and 
842 
injective_fst_snd removed, use split_eta and prod_eqI instead. 

843 
Renamed upd_fst to apfst and upd_snd to apsnd. INCOMPATIBILITY. 

26355  844 

26335
961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

845 
* Theory Nat: removed redundant lemmas that merely duplicate lemmas of 
961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

846 
the same name in theory Orderings: 
961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

847 

961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

848 
less_trans 
961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

849 
less_linear 
961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

850 
le_imp_less_or_eq 
961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

851 
le_less_trans 
961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

852 
less_le_trans 
961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

853 
less_not_sym 
961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

854 
less_asym 
961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

855 

961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

856 
Renamed less_imp_le to less_imp_le_nat, and less_irrefl to 
961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

857 
less_irrefl_nat. Potential INCOMPATIBILITY due to more general types 
961bbcc9d85b
removed redundant Nat.less_not_sym, Nat.less_asym;
wenzelm
parents:
26333
diff
changeset

858 
and different variable names. 
26315
cb3badaa192e
removed redundant less_trans, less_linear, le_imp_less_or_eq, le_less_trans, less_le_trans (cf. Orderings.thy);
wenzelm
parents:
26231
diff
changeset

859 

26231  860 
* Library/Option_ord.thy: Canonical order on option type. 
861 

27008  862 
* Library/RBT.thy: Redblack trees, an efficient implementation of 
863 
finite maps. 

26197  864 

26231  865 
* Library/Countable.thy: Type class for countable types. 
866 

26180
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

867 
* Theory Int: The representation of numerals has changed. The infix 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

868 
operator BIT and the bit datatype with constructors B0 and B1 have 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

869 
disappeared. INCOMPATIBILITY, use "Int.Bit0 x" and "Int.Bit1 y" in 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

870 
place of "x BIT bit.B0" and "y BIT bit.B1", respectively. Theorems 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

871 
involving BIT, B0, or B1 have been renamed with "Bit0" or "Bit1" 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

872 
accordingly. 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

873 

cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

874 
* Theory Nat: definition of <= and < on natural numbers no longer 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

875 
depend on wellfounded relations. INCOMPATIBILITY. Definitions 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

876 
le_def and less_def have disappeared. Consider lemmas not_less 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

877 
[symmetric, where ?'a = nat] and less_eq [symmetric] instead. 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

878 

cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

879 
* Theory Finite_Set: locales ACf, ACe, ACIf, ACIfSL and ACIfSLlin 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

880 
(whose purpose mainly is for various fold_set functionals) have been 
26874  881 
abandoned in favor of the existing algebraic classes 
26180
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

882 
ab_semigroup_mult, comm_monoid_mult, ab_semigroup_idem_mult, 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

883 
lower_semilattice (resp. upper_semilattice) and linorder. 
26139  884 
INCOMPATIBILITY. 
26041
c2e15e65165f
locales ACf, ACIf, ACIfSL and ACIfSLlin have been abandoned in favour of the existing algebraic classes ab_semigroup_mult, ab_semigroup_idem_mult, lower_semilattice (resp. uper_semilattice) and linorder
haftmann
parents:
26013
diff
changeset

885 

26180
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

886 
* Theory Transitive_Closure: induct and cases rules now declare proper 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

887 
case_names ("base" and "step"). INCOMPATIBILITY. 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

888 

cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

889 
* Theorem Inductive.lfp_ordinal_induct generalized to complete 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

890 
lattices. The form setspecific version is available as 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

891 
Inductive.lfp_ordinal_induct_set. 
26013
8764a1f1253b
Theorem Inductive.lfp_ordinal_induct generalized to complete lattices
haftmann
parents:
26006
diff
changeset

892 

26874  893 
* Renamed theorems "power.simps" to "power_int.simps". 
27067  894 
INCOMPATIBILITY. 
25961  895 

26180
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

896 
* Class semiring_div provides basic abstract properties of semirings 
25942  897 
with division and modulo operations. Subsumes former class dvd_mod. 
898 

26180
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

899 
* Merged theories IntDef, Numeral and IntArith into unified theory 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

900 
Int. INCOMPATIBILITY. 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

901 

cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

902 
* Theory Library/Code_Index: type "index" now represents natural 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

903 
numbers rather than integers. INCOMPATIBILITY. 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

904 

cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

905 
* New class "uminus" with operation "uminus" (split of from class 
cc85eaab20f6
Transitive_Closure: induct and cases rules now declare proper case_names;
wenzelm
parents:
26139
diff
changeset

906 
"minus" which now only has operation "minus", binary). 
25919
8b1c0d434824
joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents:
25900
diff
changeset

907 
INCOMPATIBILITY. 
8b1c0d434824
joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents:
25900
diff
changeset

908 

25522  909 
* Constants "card", "internal_split", "option_map" now with authentic 
25919
8b1c0d434824
joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents:
25900
diff
changeset

910 
syntax. INCOMPATIBILITY. 
25522  911 

912 
* Definitions subset_def, psubset_def, set_diff_def, Compl_def, 

913 
le_bool_def, less_bool_def, le_fun_def, less_fun_def, inf_bool_def, 

914 
sup_bool_def, Inf_bool_def, Sup_bool_def, inf_fun_def, sup_fun_def, 

915 
Inf_fun_def, Sup_fun_def, inf_set_def, sup_set_def, Inf_set_def, 

916 
Sup_set_def, le_def, less_def, option_map_def now with object 

25919
8b1c0d434824
joined theories IntDef, Numeral, IntArith to theory Int
haftmann
parents:
25900
diff
changeset

917 
equality. INCOMPATIBILITY. 
25464
0ca80ce89001
moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents:
25459
diff
changeset

918 

25705  919 
* Records. Removed K_record, and replaced it by pure lambda term 
25726
9728f319ffc6
* Metis prover an order of magnitude faster, works with multithreading.
wenzelm
parents:
25712
diff
changeset

920 
%x. c. The simplifier setup is now more robust against eta expansion. 
25705  921 
INCOMPATIBILITY: in cases explicitly referring to K_record. 
25464
0ca80ce89001
moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents:
25459
diff
changeset

922 

27067  923 
* Library/Multiset: {#a, b, c#} abbreviates {#a#} + {#b#} + {#c#}. 
924 

925 
* Library/ListVector: new theory of arithmetic vector operations. 

926 

927 
* Library/Order_Relation: new theory of various orderings as sets of 

928 
pairs. Defines preorders, partial orders, linear orders and 

929 
wellorders on sets and on types. 

26877  930 

25726
9728f319ffc6
* Metis prover an order of magnitude faster, works with multithreading.
wenzelm
parents:
25712
diff
changeset

931 

26197  932 
*** ZF *** 
933 

26874  934 
* Renamed some theories to allow to loading both ZF and HOL in the 
935 
same session: 

936 

937 
Datatype > Datatype_ZF 

938 
Inductive > Inductive_ZF 

939 
Int > Int_ZF 

940 
IntDiv > IntDiv_ZF 

941 
Nat > Nat_ZF 

942 
List > List_ZF 

943 
Main > Main_ZF 

944 

945 
INCOMPATIBILITY: ZF theories that import individual theories below 

946 
Main might need to be adapted. Regular theory Main is still 

947 
available, as trivial extension of Main_ZF. 

26197  948 

949 

25737
84c92fc48e36
``print mode'' is now a threadlocal value derived from a global template;
wenzelm
parents:
25726
diff
changeset

950 
*** ML *** 
84c92fc48e36
``print mode'' is now a threadlocal value derived from a global template;
wenzelm
parents:
25726
diff
changeset

951 

27067  952 
* ML within Isar: antiquotation @{const name} or @{const 
953 
name(typargs)} produces staticallychecked Const term. 

954 

26401
e7a94081dce7
Functor NamedThmsFun: data is available to the user as dynamic fact;
wenzelm
parents:
26387
diff
changeset

955 
* Functor NamedThmsFun: data is available to the user as dynamic fact 
26724
ff6ff3a9010e
NamedThmsFun: removed obsolete print command  facts are accesible via dynamic name;
wenzelm
parents:
26718
diff
changeset

956 
(of the same name). Removed obsolete print command. 
26401
e7a94081dce7
Functor NamedThmsFun: data is available to the user as dynamic fact;
wenzelm
parents:
26387
diff
changeset

957 

27067  958 
* Removed obsolete "use_legacy_bindings" function. 
26188  959 

25737
84c92fc48e36
``print mode'' is now a threadlocal value derived from a global template;
wenzelm
parents:
25726
diff
changeset

960 
* The ``print mode'' is now a threadlocal value derived from a global 
84c92fc48e36
``print mode'' is now a threadlocal value derived from a global template;
wenzelm
parents:
25726
diff
changeset

961 
template (the former print_mode reference), thus access becomes 
84c92fc48e36
``print mode'' is now a threadlocal value derived from a global template;
wenzelm
parents:
25726
diff
changeset

962 
noncritical. The global print_mode reference is for session 
84c92fc48e36
``print mode'' is now a threadlocal value derived from a global template;
wenzelm
parents:
25726
diff
changeset

963 
management only; usercode should use print_mode_value, 
84c92fc48e36
``print mode'' is now a threadlocal value derived from a global template;
wenzelm
parents:
25726
diff
changeset

964 
print_mode_active, PrintMode.setmp etc. INCOMPATIBILITY. 
84c92fc48e36
``print mode'' is now a threadlocal value derived from a global template;
wenzelm
parents:
25726
diff
changeset

965 

26874  966 
* Functions system/system_out provide a robust way to invoke external 
29161
9903e84a9c9c
* Proofs of are run in parallel on multicore systems;
wenzelm
parents:
29145
diff
changeset

967 
shell commands, with propagation of interrupts (requires Poly/ML 
9903e84a9c9c
* Proofs of are run in parallel on multicore systems;
wenzelm
parents:
29145
diff
changeset

968 
5.2.1). Do not use OS.Process.system etc. from the basis library! 
26222
edf6473ac9e9
* system/system_out provides a robust way to invoke external shell
wenzelm
parents:
26218
diff
changeset

969 

25737
84c92fc48e36
``print mode'' is now a threadlocal value derived from a global template;
wenzelm
parents:
25726
diff
changeset

970 

25626
3000965b1fdf
* isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents:
25609
diff
changeset

971 
*** System *** 
3000965b1fdf
* isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents:
25609
diff
changeset

972 

25971  973 
* Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs  
974 
in accordance with Proof General 3.7, which prefers GNU emacs. 

25970
9053fd546501
* Default settings: PROOFGENERAL_OPTIONS no longer impose xemacs here;
wenzelm
parents:
25961
diff
changeset

975 

25626
3000965b1fdf
* isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents:
25609
diff
changeset

976 
* isatool tty runs Isabelle process with plain tty interaction; 
3000965b1fdf
* isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents:
25609
diff
changeset

977 
optional line editor may be specified via ISABELLE_LINE_EDITOR 
3000965b1fdf
* isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents:
25609
diff
changeset

978 
setting, the default settings attempt to locate "ledit" and "rlwrap". 
3000965b1fdf
* isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents:
25609
diff
changeset

979 

25651  980 
* isatool browser now works with Cygwin as well, using general 
981 
"javapath" function defined in Isabelle process environment. 

982 

27067  983 
* YXML notation provides a simple and efficient alternative to 
984 
standard XML transfer syntax. See src/Pure/General/yxml.ML and 

985 
isatool yxml as described in the Isabelle system manual. 

25651  986 

25652  987 
* JVM class isabelle.IsabelleProcess (located in Isabelle/lib/classes) 
25651  988 
provides general wrapper for managing an Isabelle process in a robust 
989 
fashion, with ``cooked'' output from stdin/stderr. 

990 

25855  991 
* Rudimentary Isabelle plugin for jEdit (see Isabelle/lib/jedit), 
992 
based on Isabelle/JVM process wrapper (see Isabelle/lib/classes). 

993 

27067  994 
* Removed obsolete THIS_IS_ISABELLE_BUILD feature. NB: the documented 
995 
way of changing the user's settings is via 

996 
ISABELLE_HOME_USER/etc/settings, which is a fully featured bash 

997 
script. 

998 

999 
* Multithreading.max_threads := 0 refers to the number of actual CPU 

1000 
cores of the underlying machine, which is a good starting point for 

1001 
optimal performance tuning. The corresponding usedir option M allows 

1002 
"max" as an alias for "0". WARNING: does not work on certain versions 

1003 
of Mac OS (with Poly/ML 5.1). 

1004 

1005 
* isabelleprocess: nonML sessions are run with "nice", to reduce the 

1006 
adverse effect of Isabelle flooding interactive frontends (notably 

1007 
ProofGeneral / XEmacs). 

1008 

25626
3000965b1fdf
* isatool tty runs Isabelle process with plain tty interaction;
wenzelm
parents:
25609
diff
changeset

1009 

25464
0ca80ce89001
moved new NEWS from Isabelle2007 to this Isabelle version'';
wenzelm
parents:
25459
diff
changeset

1010 

25429  1011 
New in Isabelle2007 (November 2007) 
1012 
 

17754
58a306d9f736
* Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents:
17725
diff
changeset

1013 

58a306d9f736
* Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents:
17725
diff
changeset

1014 
*** General *** 
58a306d9f736
* Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents:
17725
diff
changeset

1015 

22826  1016 
* More uniform information about legacy features, notably a 
1017 
warning/error of "Legacy feature: ...", depending on the state of the 

23367  1018 
tolerate_legacy_features flag (default true). FUTURE INCOMPATIBILITY: 
1019 
legacy features will disappear eventually. 

22826  1020 

17918
93e26302733e
* Theory syntax: discontinued nonIsar format and old Isar headers;
wenzelm
parents:
17890
diff
changeset

1021 
* Theory syntax: the header format ``theory A = B + C:'' has been 
93e26302733e
* Theory syntax: discontinued nonIsar format and old Isar headers;
wenzelm
parents:
17890
diff
changeset

1022 
discontinued in favour of ``theory A imports B C begin''. Use isatool 
93e26302733e
* Theory syntax: discontinued nonIsar format and old Isar headers;
wenzelm
parents:
17890
diff
changeset

1023 
fixheaders to convert existing theory files. INCOMPATIBILITY. 
93e26302733e
* Theory syntax: discontinued nonIsar format and old Isar headers;
wenzelm
parents:
17890
diff
changeset

1024 

93e26302733e
* Theory syntax: discontinued nonIsar format and old Isar headers;
wenzelm
parents:
17890
diff
changeset

1025 
* Theory syntax: the old nonIsar theory file format has been 
93e26302733e
* Theory syntax: discontinued nonIsar format and old Isar headers;
wenzelm
parents:
17890
diff
changeset

1026 
discontinued altogether. Note that ML proof scripts may still be used 
93e26302733e
* Theory syntax: discontinued nonIsar format and old Isar headers;
wenzelm
parents:
17890
diff
changeset

1027 
with Isar theories; migration is usually quite simple with the ML 
93e26302733e
* Theory syntax: discontinued nonIsar format and old Isar headers;
wenzelm
parents:
17890
diff
changeset

1028 
function use_legacy_bindings. INCOMPATIBILITY. 
93e26302733e
* Theory syntax: discontinued nonIsar format and old Isar headers;
wenzelm
parents:
17890
diff
changeset

1029 

22871  1030 
* Theory syntax: some popular names (e.g. 'class', 'declaration', 
1031 
'fun', 'help', 'if') are now keywords. INCOMPATIBILITY, use double 

1032 
quotes. 

19814
faa698d46686
* Theory syntax: some popular names (e.g. "class", "if") are now keywords.
wenzelm
parents:
19783
diff
changeset

1033 

23888
babe337cce2d
* Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents:
23881
diff
changeset

1034 
* Theory loader: be more serious about observing the static theory 
babe337cce2d
* Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents:
23881
diff
changeset

1035 
header specifications (including optional directories), but not the 
24172
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1036 
accidental file locations of previously successful loads. The strict 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1037 
update policy of former update_thy is now already performed by 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1038 
use_thy, so the former has been removed; use_thys updates several 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1039 
theories simultaneously, just as 'imports' within a theory header 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1040 
specification, but without merging the results. Potential 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1041 
INCOMPATIBILITY: may need to refine theory headers and commands 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1042 
ROOT.ML which depend on load order. 
23888
babe337cce2d
* Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents:
23881
diff
changeset

1043 

babe337cce2d
* Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents:
23881
diff
changeset

1044 
* Theory loader: optional support for contentbased file 
babe337cce2d
* Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents:
23881
diff
changeset

1045 
identification, instead of the traditional scheme of full physical 
23889  1046 
path plus date stamp; configured by the ISABELLE_FILE_IDENT setting 
23888
babe337cce2d
* Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents:
23881
diff
changeset

1047 
(cf. the system manual). The new scheme allows to work with 
babe337cce2d
* Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents:
23881
diff
changeset

1048 
nonfinished theories in persistent session images, such that source 
babe337cce2d
* Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents:
23881
diff
changeset

1049 
files may be moved later on without requiring reloads. 
babe337cce2d
* Theory loader: be more serious about observing the static theory header specifications;
wenzelm
parents:
23881
diff
changeset

1050 

24187
8bdf5ca5871f
* Theory loader: oldstyle ML proof scripts are considered a legacy feature;
wenzelm
parents:
24172
diff
changeset

1051 
* Theory loader: oldstyle ML proof scripts being *attached* to a thy 
8bdf5ca5871f
* Theory loader: oldstyle ML proof scripts are considered a legacy feature;
wenzelm
parents:
24172
diff
changeset

1052 
file (with the same base name as the theory) are considered a legacy 
24800  1053 
feature, which will disappear eventually. Even now, the theory loader 
1054 
no longer maintains dependencies on such files. 

1055 

1056 
* Syntax: the scope for resolving ambiguities via typeinference is 

1057 
now limited to individual terms, instead of whole simultaneous 

24234
4714e04fb8e9
* Syntax: scope for resolving ambiguities via typeinference is now limited to individual terms;
wenzelm
parents:
24213
diff
changeset

1058 
specifications as before. This greatly reduces the complexity of the 
4714e04fb8e9
* Syntax: scope for resolving ambiguities via typeinference is now limited to individual terms;
wenzelm
parents:
24213
diff
changeset

1059 
syntax module and improves flexibility by separating parsing and 
4714e04fb8e9
* Syntax: scope for resolving ambiguities via typeinference is now limited to individual terms;
wenzelm
parents:
24213
diff
changeset

1060 
typechecking. INCOMPATIBILITY: additional typeconstraints (explicit 
4714e04fb8e9
* Syntax: scope for resolving ambiguities via typeinference is now limited to individual terms;
wenzelm
parents:
24213
diff
changeset

1061 
'fixes' etc.) are required in rare situations. 
4714e04fb8e9
* Syntax: scope for resolving ambiguities via typeinference is now limited to individual terms;
wenzelm
parents:
24213
diff
changeset

1062 

25034  1063 
* Syntax: constants introduced by newstyle packages ('definition', 
1064 
'abbreviation' etc.) are passed through the syntax module in 

1065 
``authentic mode''. This means that associated mixfix annotations 

1066 
really stick to such constants, independently of potential name space 

1067 
ambiguities introduced later on. INCOMPATIBILITY: constants in parse 

1068 
trees are represented slightly differently, may need to adapt syntax 

1069 
translations accordingly. Use CONST marker in 'translations' and 

1070 
@{const_syntax} antiquotation in 'parse_translation' etc. 

1071 

17981
2602be0d99ae
* Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents:
17918
diff
changeset

1072 
* Legacy goal package: reduced interface to the bare minimum required 
2602be0d99ae
* Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents:
17918
diff
changeset

1073 
to keep existing proof scripts running. Most other userlevel 
2602be0d99ae
* Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents:
17918
diff
changeset

1074 
functions are now part of the OldGoals structure, which is *not* open 
2602be0d99ae
* Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents:
17918
diff
changeset

1075 
by default (consider isatool expandshort before open OldGoals). 
2602be0d99ae
* Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents:
17918
diff
changeset

1076 
Removed top_sg, prin, printyp, pprint_term/typ altogether, because 
2602be0d99ae
* Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents:
17918
diff
changeset

1077 
these tend to cause confusion about the actual goal (!) context being 
2602be0d99ae
* Legacy goal package: reduced interface to the bare minimum required to keep existing proof scripts running.
wenzelm
parents:
17918
diff
changeset

1078 
used here, which is not necessarily the same as the_context(). 
17918
93e26302733e
* Theory syntax: discontinued nonIsar format and old Isar headers;
wenzelm
parents:
17890
diff
changeset

1079 

23379
d0e3f790bd73
updated 'find_theorems'  moved ProofGeneral specifics to ProofGeneral/CHANGES;
wenzelm
parents:
23377
diff
changeset

1080 
* Command 'find_theorems': supports "*" wildcard in "name:" 
d0e3f790bd73
updated 'find_theorems'  moved ProofGeneral specifics to ProofGeneral/CHANGES;
wenzelm
parents:
23377
diff
changeset

1081 
criterion; "with_dups" option. Certain ProofGeneral versions might 
d0e3f790bd73
updated 'find_theorems'  moved ProofGeneral specifics to ProofGeneral/CHANGES;
wenzelm
parents:
23377
diff
changeset

1082 
support a specific search form (see ProofGeneral/CHANGES). 
22965  1083 

20370  1084 
* The ``prems limit'' option (cf. ProofContext.prems_limit) is now 1 
1085 
by default, which means that "prems" (and also "fixed variables") are 

1086 
suppressed from proof state output. Note that the ProofGeneral 

1087 
settings mechanism allows to change and save options persistently, but 

1088 
older versions of Isabelle will fail to start up if a negative prems 

1089 
limit is imposed. 

1090 

21308
73883a528b26
* Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents:
21265
diff
changeset

1091 
* Local theory targets may be specified by nonnested blocks of 
73883a528b26
* Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents:
21265
diff
changeset

1092 
``context/locale/class ... begin'' followed by ``end''. The body may 
73883a528b26
* Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents:
21265
diff
changeset

1093 
contain definitions, theorems etc., including any derived mechanism 
73883a528b26
* Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents:
21265
diff
changeset

1094 
that has been implemented on top of these primitives. This concept 
73883a528b26
* Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents:
21265
diff
changeset

1095 
generalizes the existing ``theorem (in ...)'' towards more versatility 
73883a528b26
* Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents:
21265
diff
changeset

1096 
and scalability. 
73883a528b26
* Local theory targets ``context/locale/class ... begin'' followed by ``end''.
wenzelm
parents:
21265
diff
changeset

1097 

21960
0574f192b78a
* Proof General: proper undo of final 'end'; discontinued Isabelle/classic;
wenzelm
parents:
21896
diff
changeset

1098 
* Proof General interface: proper undo of final 'end' command; 
0574f192b78a
* Proof General: proper undo of final 'end'; discontinued Isabelle/classic;
wenzelm
parents:
21896
diff
changeset

1099 
discontinued Isabelle/classic mode (ML proof scripts). 
0574f192b78a
* Proof General: proper undo of final 'end'; discontinued Isabelle/classic;
wenzelm
parents:
21896
diff
changeset

1100 

17754
58a306d9f736
* Command 'find_theorems': support * wildcard in name: criterion.
wenzelm
parents:
17725
diff
changeset

1101 

17865  1102 
*** Document preparation *** 
1103 

21717  1104 
* Added antiquotation @{theory name} which prints the given name, 
1105 
after checking that it refers to a valid ancestor theory in the 

1106 
current context. 

21339  1107 

17869  1108 
* Added antiquotations @{ML_type text} and @{ML_struct text} which 
1109 
check the given source text as ML type/structure, printing verbatim. 

17865  1110 

21717  1111 
* Added antiquotation @{abbrev "c args"} which prints the abbreviation 
1112 
"c args == rhs" given in the current context. (Any number of 

21735  1113 
arguments may be given on the LHS.) 
21717  1114 

1115 

17779  1116 
*** Pure *** 
1117 

24800  1118 
* The 'class' package offers a combination of axclass and locale to 
25129  1119 
achieve Haskelllike type classes in Isabelle. Definitions and 
1120 
theorems within a class context produce both relative results (with 

1121 
implicit parameters according to the locale context), and polymorphic 

1122 
constants with qualified polymorphism (according to the class 

1123 
context). Within the body context of a 'class' target, a separate 

1124 
syntax layer ("user space type system") takes care of converting 

1125 
between global polymorphic consts and internal locale representation. 

25177  1126 
See src/HOL/ex/Classpackage.thy for examples (as well as main HOL). 
25184  1127 
"isatool doc classes" provides a tutorial. 
20807  1128 

25199  1129 
* Generic code generator framework allows to generate executable 
24800  1130 
code for ML and Haskell (including Isabelle classes). A short usage 
1131 
sketch: 

20188
8b22026445af
added notes on class_package.ML and codegen_package.ML
haftmann
parents:
20169
diff
changeset

1132 

8b22026445af
added notes on class_package.ML and codegen_package.ML
haftmann
parents:
20169
diff
changeset

1133 
internal compilation: 
25199  1134 
export_code <list of constants (term syntax)> in SML 
20453
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1135 
writing SML code to a file: 
25199  1136 
export_code <list of constants (term syntax)> in SML <filename> 
22735  1137 
writing OCaml code to a file: 
25199  1138 
export_code <list of constants (term syntax)> in OCaml <filename> 
20188
8b22026445af
added notes on class_package.ML and codegen_package.ML
haftmann
parents:
20169
diff
changeset

1139 
writing Haskell code to a bunch of files: 
25199  1140 
export_code <list of constants (term syntax)> in Haskell <filename> 
1141 

1142 
evaluating closed propositions to True/False using code generation: 

25184  1143 
method ``eval'' 
1144 

1145 
Reasonable default setup of framework in HOL. 

20453
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1146 

855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1147 
Theorem attributs for selecting and transforming function equations theorems: 
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1148 

22845  1149 
[code fun]: select a theorem as function equation for a specific constant 
1150 
[code fun del]: deselect a theorem as function equation for a specific constant 

1151 
[code inline]: select an equation theorem for unfolding (inlining) in place 

1152 
[code inline del]: deselect an equation theorem for unfolding (inlining) in place 

20453
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1153 

22735  1154 
Userdefined serializations (target in {SML, OCaml, Haskell}): 
20453
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1155 

855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1156 
code_const <andlist of constants (term syntax)> 
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1157 
{(target) <andlist of const target syntax>}+ 
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1158 

855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1159 
code_type <andlist of type constructors> 
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1160 
{(target) <andlist of type target syntax>}+ 
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1161 

855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1162 
code_instance <andlist of instances> 
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1163 
{(target)}+ 
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1164 
where instance ::= <type constructor> :: <class> 
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1165 

855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1166 
code_class <and_list of classes> 
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1167 
{(target) <andlist of class target syntax>}+ 
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1168 
where class target syntax ::= <class name> {where {<classop> == <target syntax>}+}? 
855f07fabd76
final syntax for some Isar code generator keywords
haftmann
parents:
20375
diff
changeset

1169 

25199  1170 
code_instance and code_class only are effective to target Haskell. 
22735  1171 

25177  1172 
For example usage see src/HOL/ex/Codegenerator.thy and 
1173 
src/HOL/ex/Codegenerator_Pretty.thy. A separate tutorial on code 

24800  1174 
generation from Isabelle/HOL theories is available via "isatool doc 
1175 
codegen". 

20188
8b22026445af
added notes on class_package.ML and codegen_package.ML
haftmann
parents:
20169
diff
changeset

1176 

25129  1177 
* Code generator: consts in 'consts_code' Isar commands are now 
1178 
referred to by usual term syntax (including optional type 

1179 
annotations). 

1180 

19254  1181 
* Command 'no_translations' removes translation rules from theory 
1182 
syntax. 

1183 

19625
285771cec083
* Pure: overloaded definitions are now actually checked for acyclic dependencies;
wenzelm
parents:
19587
diff
changeset

1184 
* Overloaded definitions are now actually checked for acyclic 
19714  1185 
dependencies. The overloading scheme is slightly more general than 
1186 
that of Haskell98, although Isabelle does not demand an exact 

1187 
correspondence to type class and instance declarations. 

1188 
INCOMPATIBILITY, use ``defs (unchecked overloaded)'' to admit more 

1189 
exotic versions of overloading  at the discretion of the user! 

19711  1190 

1191 
Polymorphic constants are represented via type arguments, i.e. the 

1192 
instantiation that matches an instance against the most general 

1193 
declaration given in the signature. For example, with the declaration 

1194 
c :: 'a => 'a => 'a, an instance c :: nat => nat => nat is represented 

1195 
as c(nat). Overloading is essentially simultaneous structural 

1196 
recursion over such type arguments. Incomplete specification patterns 

19714  1197 
impose global constraints on all occurrences, e.g. c('a * 'a) on the 
19715  1198 
LHS means that more general c('a * 'b) will be disallowed on any RHS. 
19714  1199 
Command 'print_theory' outputs the normalized system of recursive 
1200 
equations, see section "definitions". 

19625
285771cec083
* Pure: overloaded definitions are now actually checked for acyclic dependencies;
wenzelm
parents:
19587
diff
changeset

1201 

24086  1202 
* Configuration options are maintained within the theory or proof 
1203 
context (with name and type bool/int/string), providing a very simple 

1204 
interface to a poorman's version of general context data. Tools may 

24110
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24086
diff
changeset

1205 
declare options in ML (e.g. using Attrib.config_int) and then refer to 
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24086
diff
changeset

1206 
these values using Config.get etc. Users may change options via an 
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24086
diff
changeset

1207 
associated attribute of the same name. This form of context 
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24086
diff
changeset

1208 
declaration works particularly well with commands 'declare' or 
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24086
diff
changeset

1209 
'using', for example ``declare [[foo = 42]]''. Thus it has become 
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24086
diff
changeset

1210 
very easy to avoid global references, which would not observe Isar 
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24086
diff
changeset

1211 
toplevel undo/redo and fail to work with multithreading. 
24086  1212 

24172
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1213 
Various global ML references of Pure and HOL have been turned into 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1214 
configuration options: 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1215 

06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1216 
Unify.search_bound unify_search_bound 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1217 
Unify.trace_bound unify_trace_bound 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1218 
Unify.trace_simp unify_trace_simp 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1219 
Unify.trace_types unify_trace_types 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1220 
Simplifier.simp_depth_limit simp_depth_limit 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1221 
Blast.depth_limit blast_depth_limit 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1222 
DatatypeProp.dtK datatype_distinctness_limit 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1223 
fast_arith_neq_limit fast_arith_neq_limit 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1224 
fast_arith_split_limit fast_arith_split_limit 
06e42cf7df4e
theory loader: added use_thys, removed obsolete update_thy;
wenzelm
parents:
24110
diff
changeset

1225 

24086  1226 
* Named collections of theorems may be easily installed as context 
24800  1227 
data using the functor NamedThmsFun (see also 
24086  1228 
src/Pure/Tools/named_thms.ML). The user may add or delete facts via 
24110
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24086
diff
changeset

1229 
attributes; there is also a toplevel print command. This facility is 
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24086
diff
changeset

1230 
just a common case of general context data, which is the preferred way 
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24086
diff
changeset

1231 
for anything more complex than just a list of facts in canonical 
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24086
diff
changeset

1232 
order. 
24086  1233 

24032  1234 
* Isar: command 'declaration' augments a local theory by generic 
1235 
declaration functions written in ML. This enables arbitrary content 

1236 
being added to the context, depending on a morphism that tells the 

1237 
difference of the original declaration context wrt. the application 

1238 
context encountered later on. 

1239 

1240 
* Isar: proper interfaces for simplification procedures. Command 

1241 
'simproc_setup' declares named simprocs (with match patterns, and body 

1242 
text in ML). Attribute "simproc" adds/deletes simprocs in the current 

1243 
context. ML antiquotation @{simproc name} retrieves named simprocs. 

1244 

1245 
* Isar: an extra pair of brackets around attribute declarations 

1246 
abbreviates a theorem reference involving an internal dummy fact, 

1247 
which will be ignored later  only the effect of the attribute on 

1248 
the background context will persist. This form of inplace 

1249 
declarations is particularly useful with commands like 'declare' and 

1250 
'using', for example ``have A using [[simproc a]] by simp''. 

1251 

23369
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1252 
* Isar: method "assumption" (and implicit closing of subproofs) now 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1253 
takes simple nonatomic goal assumptions into account: after applying 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1254 
an assumption as a rule the resulting subgoals are solved by atomic 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1255 
assumption steps. This is particularly useful to finish 'obtain' 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1256 
goals, such as "!!x. (!!x. P x ==> thesis) ==> P x ==> thesis", 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1257 
without referring to the original premise "!!x. P x ==> thesis" in the 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1258 
Isar proof context. POTENTIAL INCOMPATIBILITY: method "assumption" is 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1259 
more permissive. 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1260 

227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1261 
* Isar: implicit use of prems from the Isar proof context is 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1262 
considered a legacy feature. Common applications like ``have A .'' 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1263 
may be replaced by ``have A by fact'' or ``note `A`''. In general, 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1264 
referencing facts explicitly here improves readability and 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1265 
maintainability of proof texts. 
227c51012cdb
* Isar: method "assumption" (implicit closing of subproofs) takes nonatomic goal assumptions into account;
wenzelm
parents:
23367
diff
changeset

1266 

17865  1267 
* Isar: improper proof element 'guess' is like 'obtain', but derives 
1268 
the obtained context from the course of reasoning! For example: 

1269 

1270 
assume "EX x y. A x & B y"  "any previous fact" 

1271 
then guess x and y by clarify 

1272 

1273 
This technique is potentially adventurous, depending on the facts and 

1274 
proof tools being involved here. 

1275 

18020  1276 
* Isar: known facts from the proof context may be specified as literal 
1277 
propositions, using ASCII backquote syntax. This works wherever 

1278 
named facts used to be allowed so far, in proof commands, proof 

1279 
methods, attributes etc. Literal facts are retrieved from the context 

1280 
according to unification of type and term parameters. For example, 

1281 
provided that "A" and "A ==> B" and "!!x. P x ==> Q x" are known 

1282 
theorems in the current context, then these are valid literal facts: 

1283 
`A` and `A ==> B` and `!!x. P x ==> Q x" as well as `P a ==> Q a` etc. 

1284 

1285 
There is also a proof method "fact" which does the same composition 

18044  1286 
for explicit goal states, e.g. the following proof texts coincide with 
1287 
certain special cases of literal facts: 

18020  1288 

1289 
have "A" by fact == note `A` 

1290 
have "A ==> B" by fact == note `A ==> B` 

1291 
have "!!x. P x ==> Q x" by fact == note `!!x. P x ==> Q x` 

1292 
have "P a ==> Q a" by fact == note `P a ==> Q a` 

1293 

20118
0c1ec587a5a8
* Isar: ":" (colon) is no longer a symbolic identifier character;
wenzelm
parents:
20090
diff
changeset

1294 
* Isar: ":" (colon) is no longer a symbolic identifier character in 
0c1ec587a5a8
* Isar: ":" (colon) is no longer a symbolic identifier character;
wenzelm
parents:
20090
diff
changeset

1295 
outer syntax. Thus symbolic identifiers may be used without 
0c1ec587a5a8
* Isar: ":" (colon) is no longer a symbolic identifier character;
wenzelm
parents:
20090
diff
changeset

1296 
additional white space in declarations like this: ``assume *: A''. 
0c1ec587a5a8
* Isar: ":" (colon) is no longer a symbolic identifier character;
wenzelm
parents:
20090
diff
changeset

1297 

20013  1298 
* Isar: 'print_facts' prints all local facts of the current context, 
1299 
both named and unnamed ones. 

1300 

18308  1301 
* Isar: 'def' now admits simultaneous definitions, e.g.: 
1302 

1303 
def x == "t" and y == "u" 

1304 

18540  1305 
* Isar: added command 'unfolding', which is structurally similar to 
1306 
'using', but affects both the goal state and facts by unfolding given 

18815
cb778c0ce1b5
Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents:
18738
diff
changeset

1307 
rewrite rules. Thus many occurrences of the 'unfold' method or 
18540  1308 
'unfolded' attribute may be replaced by firstclass proof text. 
1309 

18815
cb778c0ce1b5
Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents:
18738
diff
changeset

1310 
* Isar: methods 'unfold' / 'fold', attributes 'unfolded' / 'folded', 
cb778c0ce1b5
Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents:
18738
diff
changeset

1311 
and command 'unfolding' now all support objectlevel equalities 
cb778c0ce1b5
Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents:
18738
diff
changeset

1312 
(potentially conditional). The underlying notion of rewrite rule is 
cb778c0ce1b5
Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents:
18738
diff
changeset

1313 
analogous to the 'rule_format' attribute, but *not* that of the 
cb778c0ce1b5
Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents:
18738
diff
changeset

1314 
Simplifier (which is usually more generous). 
cb778c0ce1b5
Pure/Isar: (un)folded, (un)fold, unfolding support
wenzelm
parents:
18738
diff
changeset

1315 

24238  1316 
* Isar: the new attribute [rotated n] (default n = 1) rotates the 
1317 
premises of a theorem by n. Useful in conjunction with drule. 

1318 

19220  1319 
* Isar: the goal restriction operator [N] (default N = 1) evaluates a 
1320 
method expression within a sandbox consisting of the first N 

19240  1321 
subgoals, which need to exist. For example, ``simp_all [3]'' 
1322 
simplifies the first three subgoals, while (rule foo, simp_all)[] 

1323 
simplifies all new goals that emerge from applying rule foo to the 

1324 
originally first one. 

19220  1325 

19814
faa698d46686
* Theory syntax: some popular names (e.g. "class", "if") are now keywords.
wenzelm
parents:
19783
diff
changeset

1326 
* Isar: schematic goals are no longer restricted to higherorder 
faa698d46686
* Theory syntax: some popular names (e.g. "class", "if") are now keywords.
wenzelm
parents:
19783
diff
changeset

1327 
patterns; e.g. ``lemma "?P(?x)" by (rule TrueI)'' now works as 
faa698d46686
* Theory syntax: some popular names (e.g. "class", "if") are now keywords.
wenzelm
parents:
19783
diff
changeset

1328 
expected. 
faa698d46686
* Theory syntax: some popular names (e.g. "class", "if") are now keywords.
wenzelm
parents:
19783
diff
changeset

1329 

18901  1330 
* Isar: the conclusion of a long theorem statement is now either 
1331 
'shows' (a simultaneous conjunction, as before), or 'obtains' 

1332 
(essentially a disjunction of cases with local parameters and 

1333 
assumptions). The latter allows to express general elimination rules 

18910  1334 
adequately; in this notation common elimination rules look like this: 
18901  1335 

1336 
lemma exE:  "EX x. P x ==> (!!x. P x ==> thesis) ==> thesis" 

1337 
assumes "EX x. P x" 

1338 
obtains x where "P x" 

1339 

1340 
lemma conjE:  "A & B ==> (A ==> B ==> thesis) ==> thesis" 

1341 
assumes "A & B" 

1342 
obtains A and B 

1343 

1344 
lemma disjE:  "A  B ==> (A ==> thesis) ==> (B ==> thesis) ==> thesis" 

1345 
assumes "A  B" 

1346 
obtains 

1347 
A 

1348 
 B 

1349 

18910  1350 
The subsequent classical rules even refer to the formal "thesis" 
18901  1351 
explicitly: 
1352 

1353 
lemma classical:  "(~ thesis ==> thesis) ==> thesis" 

1354 
obtains "~ thesis" 

1355 

18910  1356 
lemma Peirce's_Law:  "((thesis ==> something) ==> thesis) ==> thesis" 
1357 
obtains "thesis ==> something" 

18901  1358 

1359 
The actual proof of an 'obtains' statement is analogous to that of the 

18910  1360 
Isar proof element 'obtain', only that there may be several cases. 
1361 
Optional case names may be specified in parentheses; these will be 

1362 
available both in the present proof and as annotations in the 

1363 
resulting rule, for later use with the 'cases' method (cf. attribute 

1364 
case_names). 

18901  1365 

21447
379f130843f7
* Isar: the assumptions of a long theorem statement are available as assms;
wenzelm
parents:
21406
diff
changeset

1366 
* Isar: the assumptions of a long theorem statement are available as 
379f130843f7
* Isar: the assumptions of a long theorem statement are available as assms;
wenzelm
parents:
21406
diff
changeset

1367 
"assms" fact in the proof context. This is more appropriate than the 
379f130843f7
* Isar: the assumptions of a long theorem statement are available as assms;
wenzelm
parents:
21406
diff
changeset

1368 
(historical) "prems", which refers to all assumptions of the current 
379f130843f7
* Isar: the assumptions of a long theorem statement are available as assms;
wenzelm
parents:
21406
diff
changeset

1369 
context, including those from the target locale, proof body etc. 
379f130843f7
* Isar: the assumptions of a long theorem statement are available as assms;
wenzelm
parents:
21406
diff
changeset

1370 

19263  1371 
* Isar: 'print_statement' prints theorems from the current theory or 
1372 
proof context in long statement form, according to the syntax of a 

1373 
toplevel lemma. 

1374 

18901  1375 
* Isar: 'obtain' takes an optional case name for the local context 
1376 
introduction rule (default "that"). 

1377 

19587  1378 
* Isar: removed obsolete 'concl is' patterns. INCOMPATIBILITY, use 
1379 
explicit (is "_ ==> ?foo") in the rare cases where this still happens 

1380 
to occur. 

1381 

19682
c8c301eb965a
* Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents:
19665
diff
changeset

1382 
* Pure: syntax "CONST name" produces a fully internalized constant 
c8c301eb965a
* Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents:
19665
diff
changeset

1383 
according to the current context. This is particularly useful for 
c8c301eb965a
* Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents:
19665
diff
changeset

1384 
syntax translations that should refer to internal constant 
c8c301eb965a
* Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents:
19665
diff
changeset

1385 
representations independently of name spaces. 
c8c301eb965a
* Pure: syntax 'CONST name' produces a fully internalized constant;
wenzelm
parents:
19665
diff
changeset

1386 

21537
45b3a85ee548
* Pure: syntax constant for foo (binder) is called foo_binder;
wenzelm
parents:
21471
diff
changeset

1387 
* Pure: syntax constant for foo (binder "FOO ") is called "foo_binder" 
45b3a85ee548
* Pure: syntax constant for foo (binder) is called foo_binder;
wenzelm
parents:
21471
diff
changeset

1388 
instead of "FOO ". This allows multiple binder declarations to coexist 
45b3a85ee548
* Pure: syntax constant for foo (binder) is called foo_binder;
wenzelm
parents:
21471
diff
changeset

1389 
in the same context. INCOMPATIBILITY. 
45b3a85ee548
* Pure: syntax constant for foo (binder) is called foo_binder;
wenzelm
parents:
21471
diff
changeset

1390 

21209
dbb8decc36bc
'const_syntax' command: allow fixed variables, renamed to 'notation';
wenzelm
parents:
21200
di 