nipkow [Fri, 23 Jul 1999 12:10:42 +0200] rev 7064
New lemmas by Stefan Merz.
wenzelm [Thu, 22 Jul 1999 20:53:54 +0200] rev 7063
avoid '(0 subgoals)';
wenzelm [Thu, 22 Jul 1999 20:53:26 +0200] rev 7062
Toplevel.excursion_error;
wenzelm [Thu, 22 Jul 1999 20:52:58 +0200] rev 7061
added exists;
berghofe [Thu, 22 Jul 1999 16:54:33 +0200] rev 7060
Tuned.
paulson [Wed, 21 Jul 1999 15:26:17 +0200] rev 7059
a stronger diff_less and no more le_diff_less
paulson [Wed, 21 Jul 1999 15:23:18 +0200] rev 7058
removed 2 qed_goals
paulson [Wed, 21 Jul 1999 15:22:11 +0200] rev 7057
tweaked proofs to handle new freeness reasoning for data c onstructors
paulson [Wed, 21 Jul 1999 15:20:26 +0200] rev 7056
more existing theorems renamed to use #0; also new results
paulson [Wed, 21 Jul 1999 15:18:36 +0200] rev 7055
now exports mk_bin
paulson [Wed, 21 Jul 1999 15:17:54 +0200] rev 7054
a more robust proof
paulson [Wed, 21 Jul 1999 15:17:30 +0200] rev 7053
tweaked proof after removal of diff_is_0_eq RS iffD2
paulson [Wed, 21 Jul 1999 15:16:32 +0200] rev 7052
better error message for curried recdefs, etc.
nipkow [Wed, 21 Jul 1999 11:34:59 +0200] rev 7051
Mod by Norber Voelcker
wenzelm [Tue, 20 Jul 1999 18:50:46 +0200] rev 7050
checkpoint;
berghofe [Tue, 20 Jul 1999 10:34:17 +0200] rev 7049
Eliminated addDistinct.
wenzelm [Mon, 19 Jul 1999 21:26:33 +0200] rev 7048
facts: no statement_binds;
berghofe [Mon, 19 Jul 1999 17:21:40 +0200] rev 7047
Datatype package now handles arbitrarily branching datatypes.
wenzelm [Mon, 19 Jul 1999 17:08:05 +0200] rev 7046
skeleton only;
wenzelm [Mon, 19 Jul 1999 17:07:30 +0200] rev 7045
added isar-ref;
berghofe [Mon, 19 Jul 1999 17:03:10 +0200] rev 7044
Documented usage of function types in datatype specifications.
wenzelm [Mon, 19 Jul 1999 16:53:49 +0200] rev 7043
added attdx, methdx;
wenzelm [Mon, 19 Jul 1999 16:53:31 +0200] rev 7042
added isabelle_isar logo;
wenzelm [Mon, 19 Jul 1999 16:53:02 +0200] rev 7041
updated;
tuned;
wenzelm [Mon, 19 Jul 1999 16:47:24 +0200] rev 7040
renamed 'with' to 'using';
wenzelm [Mon, 19 Jul 1999 16:32:45 +0200] rev 7039
*** empty log message ***
paulson [Mon, 19 Jul 1999 15:35:42 +0200] rev 7038
NatBin: binary arithmetic for the naturals
paulson [Mon, 19 Jul 1999 15:32:14 +0200] rev 7037
examples of arithmetic on the naturals
paulson [Mon, 19 Jul 1999 15:31:42 +0200] rev 7036
deleted a reference to "nat", now erroneous because "nat" is a function
paulson [Mon, 19 Jul 1999 15:30:59 +0200] rev 7035
many new laws about div and mod
paulson [Mon, 19 Jul 1999 15:29:30 +0200] rev 7034
new theorem zless_zero_nat
paulson [Mon, 19 Jul 1999 15:29:01 +0200] rev 7033
removal of rewrites for Suc(Suc(Suc...)))
paulson [Mon, 19 Jul 1999 15:27:34 +0200] rev 7032
NatBin: binary arithmetic for the naturals
paulson [Mon, 19 Jul 1999 15:24:35 +0200] rev 7031
getting rid of qed_goal
paulson [Mon, 19 Jul 1999 15:19:11 +0200] rev 7030
getting rid of qed_goal
paulson [Mon, 19 Jul 1999 15:18:16 +0200] rev 7029
new division laws taking advantage of (m div 0) = 0 and (m mod 0) = m
nipkow [Sun, 18 Jul 1999 11:06:08 +0200] rev 7028
Modifid length_tl
wenzelm [Fri, 16 Jul 1999 22:27:16 +0200] rev 7027
adapted to dest_keywords, dest_parsers;
wenzelm [Fri, 16 Jul 1999 22:26:44 +0200] rev 7026
separate command tokens;
wenzelm [Fri, 16 Jul 1999 22:25:07 +0200] rev 7025
tuned dest_lexicon;
wenzelm [Fri, 16 Jul 1999 22:24:42 +0200] rev 7024
tuned;
wenzelm [Fri, 16 Jul 1999 22:23:26 +0200] rev 7023
removed break;
wenzelm [Fri, 16 Jul 1999 22:22:59 +0200] rev 7022
removed BREAK, ROLLBACK;
wenzelm [Fri, 16 Jul 1999 22:22:02 +0200] rev 7021
structure LocalDefs = LocalDefs;
structure Calculation = Calculation;
structure SkipProof = SkipProof;
berghofe [Fri, 16 Jul 1999 14:06:13 +0200] rev 7020
Exported function unify_consts (workaround to avoid inconsistently
typed recursive constants in inductive and primrec definitions).
berghofe [Fri, 16 Jul 1999 14:03:33 +0200] rev 7019
Added new example (infinitely branching trees).
berghofe [Fri, 16 Jul 1999 14:03:03 +0200] rev 7018
Infinitely branching trees.
berghofe [Fri, 16 Jul 1999 13:25:45 +0200] rev 7017
Replaced datatype_info by datatype_info_err.
berghofe [Fri, 16 Jul 1999 13:24:41 +0200] rev 7016
- Now also supports arbitrarily branching datatypes.
- Fixed bug (in some rare cases, recursive constants were
inconsistently typed in different primrec equations).
berghofe [Fri, 16 Jul 1999 12:14:04 +0200] rev 7015
- Datatype package now also supports arbitrarily branching datatypes
(using function types).
- Added new simplification procedure for proving distinctness of
constructors.
- dtK is now a reference.
berghofe [Fri, 16 Jul 1999 12:09:48 +0200] rev 7014
Added some definitions and theorems needed for the
construction of datatypes involving function types.
berghofe [Fri, 16 Jul 1999 12:02:06 +0200] rev 7013
Some rather large datatype examples (from John Harrison).
wenzelm [Thu, 15 Jul 1999 17:54:58 +0200] rev 7012
improved print_thms;
wenzelm [Thu, 15 Jul 1999 17:53:28 +0200] rev 7011
export init_state;
end_proof: reset goal_facts;
paulson [Thu, 15 Jul 1999 10:34:37 +0200] rev 7010
more renaming of theorems from _nat to _int (corresponding to a function that
was similarly renamed some time ago
Also new theorem zmult_int
paulson [Thu, 15 Jul 1999 10:34:00 +0200] rev 7009
more renaming of theorems from _nat to _int (corresponding to a function that
was similarly renamed some time ago
paulson [Thu, 15 Jul 1999 10:33:16 +0200] rev 7008
qed_goal -> Goal; new theorems nat_le_0, nat_le_eq_zle and zdiff_int
paulson [Thu, 15 Jul 1999 10:27:54 +0200] rev 7007
qed_goal -> Goal
wenzelm [Wed, 14 Jul 1999 13:32:21 +0200] rev 7006
tuned;
wenzelm [Wed, 14 Jul 1999 13:07:09 +0200] rev 7005
tuned comments;