2007-12-11 ago error handling for pathological cases
2007-12-10 ago moved instance parameter management from class.ML to axclass.ML
2007-11-28 ago naming policy for instances
2007-10-11 ago moved define_class_params to Isar/class.ML;
2007-10-09 ago renamed AxClass.get_definition to AxClass.get_info (again);
2007-10-09 ago generic Syntax.pretty/string_of operations;
2007-10-04 ago replaced AxClass.param_tyvarname by Name.aT;
2007-09-30 ago Sign.add_consts_authentic: tags ( list);
2007-09-29 ago Sign.add_const_constraint;
2007-09-26 ago Sign.minimize/complete_sort;
2007-09-25 ago proper Sign operations instead of Theory aliases;
2007-09-23 ago tuned;
2007-09-15 ago clarified class interfaces and internals
2007-08-14 ago avoid low-level tsig;
2007-06-19 ago balanced conjunctions;
2007-05-07 ago simplified DataFun interfaces;
2007-04-20 ago moved axclass module closer to core system
2007-04-15 ago Thm.fold_terms;
2007-04-03 ago renamed of_sort_derivation record fields (avoid clash with Alice keywords);
2007-03-02 ago syntax for "class attach const"
2006-12-29 ago cleanup
2006-12-29 ago replaced Sign.classes by Sign.all_classes (topologically sorted);
2006-12-29 ago dropped some bookkeeping
2006-12-28 ago tuned msg;
2006-12-27 ago fixed misleading error message
2006-12-21 ago code clarifications
2006-12-07 ago reorganized structure Goal vs. Tactic;
2006-11-22 ago completed class parameter handling in axclass.ML
2006-09-19 ago Logic.name_classrel/arities;
2006-09-15 ago renamed Term.map_term_types to Term.map_types (cf. Term.fold_types);
2006-07-30 ago Thm.adjust_maxidx;
2006-07-12 ago class_of_param instead of class_of
2006-07-08 ago Goal.prove: context;
2006-06-28 ago added lookup function for parameters
2006-05-24 ago axiomatize class: Theory.add_deps;
2006-05-20 ago class axiomatization: finals;
2006-05-16 ago more abstract interface to classes/arities;
2006-05-07 ago removed 'concl is' patterns;
2006-05-05 ago of_sort: explicit cache value;
2006-05-02 ago tuned;
2006-05-02 ago of_sort: option;
2006-05-01 ago of_sort: simplified derivation;
2006-04-30 ago renamed add_axclass(_i) to define_axclass(_i);
2006-04-29 ago instances data: mutable cache;
2006-04-27 ago tuned basic list operators (flat, maps, map_filter);
2006-04-25 ago get_info: removed 'super' field;
2006-04-13 ago reworded add_axclass(_i): canonical specification format,
2006-04-11 ago moved abstract syntax operations to logic.ML;
2006-04-10 ago fixed value restriction
2006-04-10 ago add_axclass(_i): return class name only;
2006-03-11 ago moved read_class, read/cert_classrel/arity to sign.ML;
2006-02-24 ago Reverted to old interface of AxClass.add_inst_arity(_i)
2006-02-22 ago renamed class_axms to class_intros;
2006-02-20 ago moved intro_classes from AxClass to ClassPackage
2006-02-07 ago renamed gen_duplicates to duplicates;
2006-02-06 ago Logic.const_of_class/class_of_const;
2006-01-30 ago moved instance Isar command to class_package.ML
2006-01-27 ago moved theorem tags from Drule to PureThy;
2006-01-23 ago exported after_qed for axclass instance
2006-01-21 ago simplified type attribute;