Fri, 05 Oct 2007 22:00:11 +0200 wenzelm tuned induct etc.;
Fri, 05 Oct 2007 20:10:35 +0200 wenzelm execute/system: non-critical;
Fri, 05 Oct 2007 20:10:33 +0200 wenzelm subtract: minor performance tuning;
Fri, 05 Oct 2007 11:16:30 +0200 wenzelm cover only .gz files;
Fri, 05 Oct 2007 09:59:21 +0200 paulson metis method: used theorems
Fri, 05 Oct 2007 09:59:03 +0200 paulson filtering out some package theorems
Fri, 05 Oct 2007 08:38:09 +0200 nipkow added lemmas
Thu, 04 Oct 2007 21:11:06 +0200 wenzelm single-threaded profiling;
Thu, 04 Oct 2007 21:10:41 +0200 wenzelm tuned;
Thu, 04 Oct 2007 20:29:42 +0200 wenzelm Name.uu, Name.aT;
Thu, 04 Oct 2007 20:29:33 +0200 wenzelm added uu, aT;
Thu, 04 Oct 2007 20:29:24 +0200 wenzelm replaced literal 'a by Name.aT;
Thu, 04 Oct 2007 20:29:13 +0200 wenzelm replaced AxClass.param_tyvarname by Name.aT;
Thu, 04 Oct 2007 19:54:47 +0200 haftmann added nth_drop
Thu, 04 Oct 2007 19:54:46 +0200 haftmann tuned datatype_codegen setup
Thu, 04 Oct 2007 19:54:44 +0200 haftmann certificates for code generator case expressions
Thu, 04 Oct 2007 19:46:09 +0200 haftmann added illustrative diagnostics
Thu, 04 Oct 2007 19:42:03 +0200 haftmann clarified declarations in class ord
Thu, 04 Oct 2007 19:41:55 +0200 haftmann concept for exceptions
Thu, 04 Oct 2007 19:41:54 +0200 haftmann clarified name suffix
Thu, 04 Oct 2007 19:41:53 +0200 haftmann step towards proper purge operation
Thu, 04 Oct 2007 19:41:52 +0200 haftmann put declarations first
Thu, 04 Oct 2007 19:41:51 +0200 haftmann clarified terminology
Thu, 04 Oct 2007 19:41:50 +0200 haftmann intermediate cleanup
Thu, 04 Oct 2007 19:41:49 +0200 haftmann clarified relationship of code generator conversions and evaluations
Thu, 04 Oct 2007 16:59:30 +0200 wenzelm abs_conv/forall_conv: proper context (avoid gensym);
Thu, 04 Oct 2007 16:59:29 +0200 wenzelm load variable.ML before conv.ML;
Thu, 04 Oct 2007 16:59:28 +0200 wenzelm Conv.forall_conv: proper context;
Thu, 04 Oct 2007 16:21:31 +0200 wenzelm cover AFP logs as well, using "afp" pseudo-platform;
Thu, 04 Oct 2007 14:42:47 +0200 wenzelm moved Pure/Isar/induct_attrib.ML and Provers/induct_method.ML to Tools/induct.ML;
Thu, 04 Oct 2007 14:42:11 +0200 wenzelm avoid gensym;
Thu, 04 Oct 2007 13:26:34 +0200 wenzelm updated Sign.add_abbrev;
Thu, 04 Oct 2007 12:32:58 +0200 paulson combinator translation
Wed, 03 Oct 2007 22:33:17 +0200 wenzelm avoid unnamed infixes;
Wed, 03 Oct 2007 21:29:05 +0200 wenzelm avoid unnamed infixes;
Wed, 03 Oct 2007 19:49:33 +0200 wenzelm avoid unnamed infixes;
Wed, 03 Oct 2007 19:36:05 +0200 wenzelm modernized specifications;
Wed, 03 Oct 2007 00:03:01 +0200 wenzelm mark inductive results as internal;
Wed, 03 Oct 2007 00:03:00 +0200 wenzelm skolem_cache: ignore internal theorems -- major speedup;
Wed, 03 Oct 2007 00:02:58 +0200 wenzelm major speedup by avoiding metis;
Wed, 03 Oct 2007 00:02:56 +0200 wenzelm modernized definitions;
Tue, 02 Oct 2007 22:23:31 +0200 wenzelm added add_defs_new, which strips sorts for axioms (presently inactive);
Tue, 02 Oct 2007 22:23:30 +0200 wenzelm removed unused add_defss;
Tue, 02 Oct 2007 22:23:28 +0200 wenzelm tuned internal inductive interface;
Tue, 02 Oct 2007 22:23:26 +0200 wenzelm tuned internal interfaces: flags record, added kind for results;
Tue, 02 Oct 2007 22:23:24 +0200 wenzelm inductive: mark internal theorems as Thm.internalK;
Tue, 02 Oct 2007 19:05:20 +0200 wenzelm tuned;
Tue, 02 Oct 2007 16:06:41 +0200 wenzelm export tsig_of;
Tue, 02 Oct 2007 07:59:55 +0200 haftmann clarified role of class relations
Tue, 02 Oct 2007 07:59:54 +0200 haftmann ignore mutual recursive modules
Mon, 01 Oct 2007 22:52:20 +0200 wenzelm integer compatibility: added wrapper for structure Time;
Mon, 01 Oct 2007 22:29:58 +0200 wenzelm fixed use_text;
Mon, 01 Oct 2007 22:29:56 +0200 wenzelm downgraded IntInf with divMod;
Mon, 01 Oct 2007 21:19:54 +0200 wenzelm added auto-quickcheck-time-limit;
Mon, 01 Oct 2007 21:19:53 +0200 wenzelm auto_quickcheck: pervasive options, turned time_limit into plain int, simplified exception handling;
Mon, 01 Oct 2007 21:19:52 +0200 wenzelm added auto_quickcheck feature;
Mon, 01 Oct 2007 21:19:50 +0200 wenzelm Norbert Schirmer: record improvements;
Mon, 01 Oct 2007 21:19:49 +0200 wenzelm preliminary material for Isabelle2007;
Mon, 01 Oct 2007 21:08:26 +0200 wenzelm misc tuning and update;
Mon, 01 Oct 2007 21:04:40 +0200 wenzelm misc tuning and update;
Mon, 01 Oct 2007 19:52:07 +0200 wenzelm misc tuning and update;
Mon, 01 Oct 2007 19:43:34 +0200 wenzelm updated year to 2007;
Mon, 01 Oct 2007 19:42:40 +0200 wenzelm tuned;
Mon, 01 Oct 2007 19:21:32 +0200 haftmann added some lemmas
Mon, 01 Oct 2007 15:14:57 +0200 wenzelm print_state_context: local theory context, not proof context;
Mon, 01 Oct 2007 15:14:56 +0200 wenzelm ContextPosition.put_ctxt;
Mon, 01 Oct 2007 15:14:55 +0200 wenzelm NameSelection: more interval checks;
Mon, 01 Oct 2007 15:14:54 +0200 wenzelm tuned message;
Mon, 01 Oct 2007 15:14:53 +0200 wenzelm turned into generic context data;
Mon, 01 Oct 2007 15:14:51 +0200 wenzelm ML_setup for bind_thms;
Mon, 01 Oct 2007 12:25:04 +0200 ballarin Simplified interface for printing of interpretations.
Mon, 01 Oct 2007 12:24:45 +0200 ballarin unfold_locales workaround
Mon, 01 Oct 2007 12:24:07 +0200 ballarin Theory/context data restructured; simplified interface for printing of interpretations.
Mon, 01 Oct 2007 02:59:10 +0200 isatest fixed dir in single-logic test
Sun, 30 Sep 2007 21:55:19 +0200 wenzelm llabs/sko: removed Name.internal;
Sun, 30 Sep 2007 21:55:18 +0200 wenzelm avoid unnamed infixes;
Sun, 30 Sep 2007 21:55:15 +0200 wenzelm avoid internal names;
Sun, 30 Sep 2007 16:53:08 +0200 isatest switch notification email back on
Sun, 30 Sep 2007 16:51:46 +0200 isatest fix shell quoting confusion
Sun, 30 Sep 2007 16:20:42 +0200 wenzelm local_theory transactions: more careful treatment of context position;
Sun, 30 Sep 2007 16:20:41 +0200 wenzelm keep context position as tags for consts/thms;
Sun, 30 Sep 2007 16:20:40 +0200 wenzelm add_abbrev: tags (Markup.property list);
Sun, 30 Sep 2007 16:20:39 +0200 wenzelm added internalK, property_internal;
Sun, 30 Sep 2007 16:20:38 +0200 wenzelm add_consts_authentic/add_abbrev: tags (Markup.property list);
Sun, 30 Sep 2007 16:20:37 +0200 wenzelm Markup.internalK;
Sun, 30 Sep 2007 16:20:35 +0200 wenzelm print_theory: observe Markup.internal_property of consts, discontinued special treatment of internal names elsewhere;
Sun, 30 Sep 2007 16:20:35 +0200 wenzelm added properties_of;
Sun, 30 Sep 2007 16:20:34 +0200 wenzelm maintain tags (Markup.property list);
Sun, 30 Sep 2007 16:20:33 +0200 wenzelm skofuns/absfuns: explicit markup as internal consts;
Sun, 30 Sep 2007 16:20:31 +0200 wenzelm Sign.add_consts_authentic: tags (Markup.property list);
Sun, 30 Sep 2007 11:55:14 +0200 wenzelm standard_term_check: include expand_abbrevs (back again);
Sat, 29 Sep 2007 21:39:53 +0200 wenzelm added unparse interfaces (still unused);
Sat, 29 Sep 2007 21:39:52 +0200 wenzelm removed redundant const_constraint;
Sat, 29 Sep 2007 21:39:51 +0200 wenzelm Sign.add_const_constraint;
Sat, 29 Sep 2007 21:39:50 +0200 wenzelm maintain maxidx (analogous to name context);
Sat, 29 Sep 2007 21:39:49 +0200 wenzelm added fixate_params;
Sat, 29 Sep 2007 21:39:48 +0200 wenzelm Sign.the_const_constraint;
Sat, 29 Sep 2007 21:39:47 +0200 wenzelm added declare_typ_names;
Sat, 29 Sep 2007 21:39:46 +0200 wenzelm removed obsolete external interface add_const_constraint;
Sat, 29 Sep 2007 21:39:45 +0200 wenzelm Sign.add_const_constraint;
Sat, 29 Sep 2007 21:39:44 +0200 wenzelm fixed metis proof (Why did it stop working?);
Sat, 29 Sep 2007 10:47:05 +0200 isatest swapped machines for at-sml-dev and at-sml-dev-p
Sat, 29 Sep 2007 10:45:41 +0200 isatest no proof terms for smlnj
Sat, 29 Sep 2007 10:43:54 +0200 kleing add -p 2 at-sml-dev test for HOL proof terms sessions only
Sat, 29 Sep 2007 10:41:45 +0200 kleing at-sml-dev session with -p 2
Sat, 29 Sep 2007 10:40:12 +0200 kleing Added target for proof term sessions (those that need -p 2)
Sat, 29 Sep 2007 10:04:52 +0200 kleing accept single logic and target as argument
Sat, 29 Sep 2007 08:58:57 +0200 haftmann exported constraint interfaces
Sat, 29 Sep 2007 08:58:56 +0200 haftmann exported intern_expr
Sat, 29 Sep 2007 08:58:55 +0200 haftmann added ocaml strings
Sat, 29 Sep 2007 08:58:54 +0200 haftmann further localization
Sat, 29 Sep 2007 08:58:51 +0200 haftmann proper syntax during class specification
Fri, 28 Sep 2007 10:35:53 +0200 berghofe prove_strong_ind now uses InductivePackage.rulify.
Fri, 28 Sep 2007 10:32:38 +0200 berghofe Adapted to changes in interface of add_inductive_i.
Fri, 28 Sep 2007 10:30:51 +0200 berghofe add_inductive_i now takes typ instead of typ option as argument.
Fri, 28 Sep 2007 10:29:35 +0200 berghofe - add_inductive_i now takes typ instead of typ option as argument
Thu, 27 Sep 2007 17:57:12 +0200 wenzelm proper handling of chained facts;
Thu, 27 Sep 2007 17:55:28 +0200 paulson removal of some "ref"s from res_axioms.ML; a side-effect is that the ordering
Thu, 27 Sep 2007 17:28:05 +0200 ballarin Fixed setup of transitivity reasoner (function decomp).
Thu, 27 Sep 2007 17:22:15 +0200 wenzelm some more simultaneous use_thys;
Thu, 27 Sep 2007 11:46:05 +0200 wenzelm read: explicit treatment of scanner failure;
Wed, 26 Sep 2007 22:38:11 +0200 wenzelm tuned;
Wed, 26 Sep 2007 22:28:00 +0200 wenzelm tuned;
Wed, 26 Sep 2007 22:27:44 +0200 wenzelm tuned;
Wed, 26 Sep 2007 22:21:05 +0200 wenzelm * Pure/Isar: unified specification syntax admits type inference and dummy patterns;
Wed, 26 Sep 2007 22:21:02 +0200 wenzelm read/check_specification: free_dummy_patterns;
Wed, 26 Sep 2007 22:20:59 +0200 wenzelm added free_dummy_patterns;
Wed, 26 Sep 2007 20:50:34 +0200 wenzelm added minimize_sort, complete_sort;
Wed, 26 Sep 2007 20:50:33 +0200 wenzelm Sign.minimize/complete_sort;
Wed, 26 Sep 2007 20:27:58 +0200 haftmann convenient obtain rule for sets
Wed, 26 Sep 2007 20:27:57 +0200 haftmann added code lemma for 1
Wed, 26 Sep 2007 20:27:55 +0200 haftmann moved Finite_Set before Datatype
Wed, 26 Sep 2007 19:19:38 +0200 wenzelm adapted variable order for inductive cases (determined by read_specification *before* expanding abbreviations);
Wed, 26 Sep 2007 19:18:01 +0200 wenzelm Attrib.eval_thms;
Wed, 26 Sep 2007 19:18:00 +0200 wenzelm Attrib.eval_thms;
Wed, 26 Sep 2007 19:17:59 +0200 wenzelm read/check_specification: proper type inference across multiple sections, result is in closed form;
Wed, 26 Sep 2007 19:17:58 +0200 wenzelm added eval_thms;
Wed, 26 Sep 2007 19:17:57 +0200 wenzelm minimal adaptions for Specification.read/check_specification;
Wed, 26 Sep 2007 19:17:56 +0200 wenzelm proper Specification.read_specification;
Wed, 26 Sep 2007 19:17:55 +0200 wenzelm removed dead code;
Wed, 26 Sep 2007 11:27:46 +0200 wenzelm declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
Wed, 26 Sep 2007 09:05:58 +0200 haftmann made SML/NJ happy
Tue, 25 Sep 2007 21:08:36 +0200 haftmann rudimentary support for Haskell
Tue, 25 Sep 2007 21:08:35 +0200 haftmann added support for Haskell, OCaml
Tue, 25 Sep 2007 21:08:34 +0200 haftmann Efficient_Nat and Pretty_Int integrated with ML_Int
Tue, 25 Sep 2007 17:06:19 +0200 wenzelm proper Sign operations instead of Theory aliases;
Tue, 25 Sep 2007 17:06:18 +0200 wenzelm tuned functor application;
Tue, 25 Sep 2007 17:06:14 +0200 wenzelm proper Sign operations instead of Theory aliases;
Tue, 25 Sep 2007 15:34:35 +0200 wenzelm simplified interpretation setup;
Tue, 25 Sep 2007 13:42:59 +0200 haftmann size hook
Tue, 25 Sep 2007 13:28:42 +0200 wenzelm removed redundant global_parse operations;
Tue, 25 Sep 2007 13:28:41 +0200 wenzelm Syntax.parse/check/read;
Tue, 25 Sep 2007 13:28:37 +0200 wenzelm Syntax.parse/check/read;
Tue, 25 Sep 2007 13:28:35 +0200 wenzelm * Pure/Syntax: generic interfaces for parsing and type checking;
Tue, 25 Sep 2007 12:59:24 +0200 ballarin Simplified proof due to improved integration of order_tac and simp.
Tue, 25 Sep 2007 12:56:27 +0200 ballarin Transitivity reasoner gets additional argument of premises to improve integration with simplifier.
Tue, 25 Sep 2007 12:16:15 +0200 haftmann dropped
Tue, 25 Sep 2007 12:16:14 +0200 haftmann ML monad support
Tue, 25 Sep 2007 12:16:13 +0200 haftmann no cleverness for instance parameters
Tue, 25 Sep 2007 12:16:12 +0200 haftmann added conversions for natural numbers
Tue, 25 Sep 2007 12:16:08 +0200 haftmann datatype interpretators for size and datatype_realizer
Tue, 25 Sep 2007 10:27:43 +0200 nipkow hide successor
Mon, 24 Sep 2007 22:00:18 +0200 nipkow fixed haftmann bug
Mon, 24 Sep 2007 21:07:41 +0200 wenzelm added @{theory_ref};
Mon, 24 Sep 2007 21:07:40 +0200 wenzelm added @{type_name};
Mon, 24 Sep 2007 21:07:39 +0200 wenzelm added polymorphic_types;
Mon, 24 Sep 2007 21:07:38 +0200 wenzelm eliminated ProofContext.read_termTs;
Mon, 24 Sep 2007 21:07:36 +0200 wenzelm more ML antiqs;
Mon, 24 Sep 2007 19:34:55 +0200 nipkow localized { .. } (but only a few thms)
Mon, 24 Sep 2007 13:53:26 +0200 wenzelm renamed ML-Systems/multithreading_dummy.ML to ML-Systems/multithreading.ML;
Mon, 24 Sep 2007 13:52:51 +0200 wenzelm renamed ML-Systems/multithreading_dummy.ML to ML-Systems/multithreading.ML;
Mon, 24 Sep 2007 13:52:50 +0200 wenzelm replaced interrupt_timeout by TimeLimit.timeLimit (available on SML/NJ and Poly/ML 5.1);
Sun, 23 Sep 2007 23:39:42 +0200 wenzelm removed dead code;
Sun, 23 Sep 2007 23:00:01 +0200 wenzelm made smlnj happy;
Sun, 23 Sep 2007 22:23:37 +0200 wenzelm tuned @{cpat};
Sun, 23 Sep 2007 22:23:35 +0200 wenzelm added read_term_pattern/schematic/abbrev;
Sun, 23 Sep 2007 22:23:34 +0200 wenzelm ProofContext.read_term_pattern;
Sun, 23 Sep 2007 22:23:33 +0200 wenzelm constrain: canonical argument order;
Sun, 23 Sep 2007 22:23:31 +0200 wenzelm tuned;
Sun, 23 Sep 2007 22:23:27 +0200 wenzelm TypeInfer.constrain: canonical argument order;
Sun, 23 Sep 2007 22:23:24 +0200 wenzelm tuned ML setup;
Sun, 23 Sep 2007 22:11:50 +0200 urbanc tuned one proof so to not run in a loop with the new atom-representation
Sun, 23 Sep 2007 22:10:27 +0200 urbanc changed the representation of atoms to datatypes over nats
Sat, 22 Sep 2007 17:45:58 +0200 wenzelm ProofContext.mode_abbrev;
Sat, 22 Sep 2007 17:45:57 +0200 wenzelm removed obsolete set_expand_abbrevs (superceded by mode_abbrev);
Sat, 22 Sep 2007 17:45:56 +0200 wenzelm certify': proper do_expand argument (which observes force_expand consts) instead of home-grown normalize;
Sat, 22 Sep 2007 17:45:55 +0200 wenzelm certify: do_expand as explicit argument, actually certify type of abstractions;
Fri, 21 Sep 2007 22:51:13 +0200 wenzelm tuned;
Fri, 21 Sep 2007 22:51:12 +0200 wenzelm added has_abs (from envir.ML);
Fri, 21 Sep 2007 22:51:10 +0200 wenzelm Term.has_abs;
Fri, 21 Sep 2007 22:51:08 +0200 wenzelm proper signature constraint;
Thu, 20 Sep 2007 20:58:40 +0200 wenzelm added interrupt_timeout;
Thu, 20 Sep 2007 20:56:54 +0200 wenzelm Generic interpretation of theory data.
Thu, 20 Sep 2007 20:56:34 +0200 wenzelm tuned signature;
Thu, 20 Sep 2007 20:56:33 +0200 wenzelm avoid Theory.rep_theory;
Thu, 20 Sep 2007 20:56:32 +0200 wenzelm added interpretation.ML;
Thu, 20 Sep 2007 17:48:16 +0200 wenzelm improved error behaviour of use (bootstrap version);
Thu, 20 Sep 2007 16:37:34 +0200 haftmann more precise treatment of free dictionary parameters for evaluation
Thu, 20 Sep 2007 16:37:33 +0200 haftmann fixed cg setup
Thu, 20 Sep 2007 16:37:32 +0200 haftmann restored ml system independence
Thu, 20 Sep 2007 16:37:31 +0200 haftmann more permissive
Thu, 20 Sep 2007 16:37:30 +0200 haftmann clarified code lemmas
Thu, 20 Sep 2007 16:37:29 +0200 haftmann fixed wrong syntax treatment in class target
Thu, 20 Sep 2007 16:37:28 +0200 haftmann code lemmas for cardinality
Thu, 20 Sep 2007 16:23:12 +0200 berghofe - eval_term no longer computes result during compile time
Thu, 20 Sep 2007 12:10:23 +0200 obua improved computing
Thu, 20 Sep 2007 12:09:09 +0200 obua changed lemmas
Wed, 19 Sep 2007 20:45:29 +0200 wenzelm ml_output: proper error instead of error_msg;
Wed, 19 Sep 2007 18:48:54 +0200 webertj comment added to explain a potential scheduling problem
Wed, 19 Sep 2007 17:16:40 +0200 nipkow tuned
Wed, 19 Sep 2007 15:26:58 +0200 nipkow *** empty log message ***
Wed, 19 Sep 2007 13:59:13 +0200 paulson metis too slow
Wed, 19 Sep 2007 13:52:54 +0200 isatest move at-sml-dev to 2-processor atbroy100
Wed, 19 Sep 2007 13:51:58 +0200 isatest make sun-sml-dev non-proof-term, and at-sml-def -p 2 (at-sml-dev being moved
Wed, 19 Sep 2007 13:14:00 +0200 nipkow Generalized [_.._] from nat to linear orders
Wed, 19 Sep 2007 12:17:13 +0200 berghofe Enclosed end_theory in text antiquotation to make LaTeX happy.
Wed, 19 Sep 2007 11:50:07 +0200 wenzelm * ML: just one true type int;
Tue, 18 Sep 2007 18:53:55 +0200 ballarin New diagnostic command print_orders.
Tue, 18 Sep 2007 18:53:12 +0200 ballarin Transitivity reasoner set up for locales order and linorder.
Tue, 18 Sep 2007 18:52:17 +0200 ballarin Simplified proofs due to transitivity reasoner setup.
Tue, 18 Sep 2007 18:51:07 +0200 ballarin Defunctorised transitivity reasoner; locale interpretation requires dynamic instances.
Tue, 18 Sep 2007 18:50:17 +0200 ballarin Morphisms applied in global interpretations behave correctly on types and terms.
Tue, 18 Sep 2007 18:49:17 +0200 ballarin New function inst_morphism'.
Tue, 18 Sep 2007 18:46:33 +0200 ballarin Transitivity reasoner set up for locales.
Tue, 18 Sep 2007 18:06:47 +0200 wenzelm removed dead/unmaintained code;
Tue, 18 Sep 2007 18:05:37 +0200 wenzelm simplified PrintMode interfaces;
Tue, 18 Sep 2007 18:05:34 +0200 wenzelm moved Tools/integer.ML to Pure/General/integer.ML;
Tue, 18 Sep 2007 17:53:37 +0200 paulson metis now available in PreList
Tue, 18 Sep 2007 16:08:08 +0200 wenzelm reactivated tests in smlnj;
Tue, 18 Sep 2007 16:08:00 +0200 wenzelm simplified type int (eliminated IntInf.int, integer);
Tue, 18 Sep 2007 11:06:22 +0200 haftmann (reverted to previous version)
Tue, 18 Sep 2007 10:44:02 +0200 haftmann updated
Tue, 18 Sep 2007 08:28:47 +0200 nipkow *** empty log message ***
Tue, 18 Sep 2007 07:46:00 +0200 haftmann introduced generic concepts for theory interpretators
Tue, 18 Sep 2007 07:36:38 +0200 haftmann separated code for inductive sequences from inductive_codegen.ML
Tue, 18 Sep 2007 07:36:15 +0200 haftmann distinction between regular and default code theorems
Tue, 18 Sep 2007 07:36:14 +0200 haftmann renamed constructor RealC to Ratreal
Tue, 18 Sep 2007 07:36:13 +0200 haftmann renamed constructor RatC to Rational
Tue, 18 Sep 2007 07:36:12 +0200 haftmann clarified evaluation code
Tue, 18 Sep 2007 07:36:11 +0200 haftmann adjusted
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