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matita.cs.unibo.it Git - helm.git/log 
 
 
 
 
 
 
Andrea Asperti  [Mon, 17 Dec 2012 11:08:59 +0000  (11:08 +0000)] 
 
restructuring 
 
Andrea Asperti  [Mon, 17 Dec 2012 09:00:51 +0000  (09:00 +0000)] 
 
backup copy rm 
 
Andrea Asperti  [Mon, 17 Dec 2012 09:00:18 +0000  (09:00 +0000)] 
 
Still porting chebyshev 
 
Ferruccio Guidi  [Thu, 13 Dec 2012 16:00:39 +0000  (16:00 +0000)] 
 
- we added delimiters to the URL in lambdadelta1 
 
Ferruccio Guidi  [Wed, 12 Dec 2012 22:17:31 +0000  (22:17 +0000)] 
 
- bib refactoring 
- date correction for lambdadelta5 
 
Ferruccio Guidi  [Wed, 12 Dec 2012 21:52:15 +0000  (21:52 +0000)] 
 
lambdadelta1 is now dated with release date of \lambda\delta version 1 
 
Ferruccio Guidi  [Tue, 11 Dec 2012 19:15:02 +0000  (19:15 +0000)] 
 
- pointer structure simplified 
- new properties on poiner orders 
- last lemma in Kashima's article proved 
 
Ferruccio Guidi  [Mon, 10 Dec 2012 20:54:24 +0000  (20:54 +0000)] 
 
- lambda: - normalization theorem completed! 
          - binary trees on pointer sequences set up to serve as labels for "st" computations 
- lstar: right-oriened eliminator added 
 
Andrea Asperti  [Mon, 10 Dec 2012 08:56:30 +0000  (08:56 +0000)] 
 
Porting chebyshev 
 
Andrea Asperti  [Mon, 10 Dec 2012 08:55:22 +0000  (08:55 +0000)] 
 
Porting chebyshev 
 
Ferruccio Guidi  [Sun, 9 Dec 2012 17:59:03 +0000  (17:59 +0000)] 
 
- lambda: first half of the standardization theorem is proved! 
 
Ferruccio Guidi  [Sat, 8 Dec 2012 23:26:45 +0000  (23:26 +0000)] 
 
- list.ma: improved notation for constant lists (a "term 19" was missing) 
- lambda: more properties on pointers, extra xoa quantifier removed, 
bugfix in notations and names 
 
Ferruccio Guidi  [Sat, 8 Dec 2012 14:54:25 +0000  (14:54 +0000)] 
 
- new pointes can point to any subterm 
- new star_ind_l-like eliminator for lstar now in use 
 
Ferruccio Guidi  [Fri, 7 Dec 2012 18:07:24 +0000  (18:07 +0000)] 
 
lstar removed from list.ma and placed in its own file 
 
Ferruccio Guidi  [Fri, 7 Dec 2012 16:54:54 +0000  (16:54 +0000)] 
 
- "re": a part of reb.ma commented out since it cannot compile 
 
Ferruccio Guidi  [Fri, 7 Dec 2012 16:36:51 +0000  (16:36 +0000)] 
 
- pts_dummy/pts_dummy_new: non compiling parts commented out 
- tutorial: some comments added 
 
Ferruccio Guidi  [Fri, 7 Dec 2012 14:30:36 +0000  (14:30 +0000)] 
 
- untranslated sections of "formal_topology" commented to make it compile 
- "tutorial" now compiles 
 
Wilmer Ricciotti  [Fri, 7 Dec 2012 13:09:32 +0000  (13:09 +0000)] 
 
match termination 
 
Ferruccio Guidi  [Thu, 6 Dec 2012 16:10:57 +0000  (16:10 +0000)] 
 
- we enabled a notation for ex2 
- we improved star_ind_l that now behaves as if starl were defined 
with a "left parameter" occurring on the right. this makes star_ind_l 
symmetric with respect to star_ind 
- we commented the non-more-compiling sections of "turing" 
- some progress in "lambda" 
 
Wilmer Ricciotti  [Thu, 6 Dec 2012 15:40:58 +0000  (15:40 +0000)] 
 
Cleared unused variables in wsem_match (they were also sharing names with 
other variables). 
 
Claudio Sacerdoti Coen  [Thu, 6 Dec 2012 13:03:09 +0000  (13:03 +0000)] 
 
Bug fixed: %n was badly failing (with Failure "nth") when n was 
not a valid constructor. Now fail is raised (to be captured by 
try, etc.) 
 
Wilmer Ricciotti  [Thu, 6 Dec 2012 09:48:53 +0000  (09:48 +0000)] 
 
Fixes a bug in NCicElim.pp (term -> ast conversion used when building 
projections) that was swapping arguments in a let-in, causing projection 
generation to fail for any record field containing a let-in expression. 
 
Wilmer Ricciotti  [Wed, 5 Dec 2012 11:07:28 +0000  (11:07 +0000)] 
 
Concludes match (weak) semantics. Yay! 
 
Ferruccio Guidi  [Tue, 4 Dec 2012 17:59:17 +0000  (17:59 +0000)] 
 
we started Kashima's proof of standardization 
 
Wilmer Ricciotti  [Tue, 4 Dec 2012 15:49:01 +0000  (15:49 +0000)] 
 
match nearing completion 
 
Wilmer Ricciotti  [Tue, 4 Dec 2012 12:11:30 +0000  (12:11 +0000)] 
 
match wsem almost done 
 
Ferruccio Guidi  [Mon, 3 Dec 2012 19:41:24 +0000  (19:41 +0000)] 
 
- nat.ma: we added a general induction principle 
- lambda: we have the diamond property of parallel reduction 
          notation bugfixes in term and muktiplicity 
 
Ferruccio Guidi  [Sun, 2 Dec 2012 18:59:57 +0000  (18:59 +0000)] 
 
- bugfix in stylesheets 
- lddl data set released 
 
Ferruccio Guidi  [Sun, 2 Dec 2012 16:28:54 +0000  (16:28 +0000)] 
 
bugfix in uri's: missing "/" added to baseuri's where necessary 
 
Ferruccio Guidi  [Sun, 2 Dec 2012 13:20:04 +0000  (13:20 +0000)] 
 
- dehypenation involves helena as well 
- now we compile helena against the latest version of matita components 
 
Ferruccio Guidi  [Sun, 2 Dec 2012 12:47:44 +0000  (12:47 +0000)] 
 
the dehyphenation update continues ... 
 
Ferruccio Guidi  [Sun, 2 Dec 2012 12:28:43 +0000  (12:28 +0000)] 
 
some corrections to the prose of the web site 
 
Ferruccio Guidi  [Sat, 1 Dec 2012 22:06:38 +0000  (22:06 +0000)] 
 
web site update 
 
Ferruccio Guidi  [Sat, 1 Dec 2012 19:37:15 +0000  (19:37 +0000)] 
 
old lambdadelta home page is dismissed 
 
Ferruccio Guidi  [Sat, 1 Dec 2012 18:51:12 +0000  (18:51 +0000)] 
 
nug fix in the location of images 
 
Ferruccio Guidi  [Sat, 1 Dec 2012 17:07:33 +0000  (17:07 +0000)] 
 
- lambda: parallel reduction to obtain diamond property 
- list:   local "norm" notation removed in favour of "card" core notation 
 
Ferruccio Guidi  [Sat, 1 Dec 2012 17:01:11 +0000  (17:01 +0000)] 
 
planned dehyphenation of lambdadelta eventually took place! 
 
Ferruccio Guidi  [Thu, 29 Nov 2012 16:53:26 +0000  (16:53 +0000)] 
 
- bug fix in notation precedences 
- bug fix in the Makefile 
 
Ferruccio Guidi  [Thu, 29 Nov 2012 15:26:59 +0000  (15:26 +0000)] 
 
- labelled sequential reduction started ... 
- bug fix in precedence relation on redex pointers 
 
Wilmer Ricciotti  [Wed, 28 Nov 2012 15:10:33 +0000  (15:10 +0000)] 
 
match 
 
Ferruccio Guidi  [Wed, 28 Nov 2012 14:33:17 +0000  (14:33 +0000)] 
 
- relations.ma: 
  we introduced the reflexive closure (RC) for use in lambda and lambda_delta 
- lambda: 
  we introduced pointers to redexes 
  notation bug fix in delifting_substitution.ma 
 
Wilmer Ricciotti  [Wed, 28 Nov 2012 10:05:53 +0000  (10:05 +0000)] 
 
match_step 
 
Ferruccio Guidi  [Tue, 27 Nov 2012 22:24:11 +0000  (22:24 +0000)] 
 
bug fix in notation precedences 
 
Ferruccio Guidi  [Tue, 27 Nov 2012 21:09:22 +0000  (21:09 +0000)] 
 
- the theory of delifting substitution is done 
- the theory of multiplicity is done 
 
Andrea Asperti  [Tue, 27 Nov 2012 15:00:15 +0000  (15:00 +0000)] 
 
par_test.ma 
 
Andrea Asperti  [Tue, 27 Nov 2012 11:53:56 +0000  (11:53 +0000)] 
 
ennesima versione 
 
Andrea Asperti  [Tue, 27 Nov 2012 07:29:20 +0000  (07:29 +0000)] 
 
splitting files 
 
Andrea Asperti  [Tue, 27 Nov 2012 07:25:16 +0000  (07:25 +0000)] 
 
splitting files 
 
Ferruccio Guidi  [Mon, 26 Nov 2012 20:27:40 +0000  (20:27 +0000)] 
 
we started the theory of delifting substitution ... 
 
Wilmer Ricciotti  [Mon, 26 Nov 2012 17:55:19 +0000  (17:55 +0000)] 
 
test null, match 
 
Ferruccio Guidi  [Mon, 26 Nov 2012 14:26:20 +0000  (14:26 +0000)] 
 
- lambda: the theory of lift is complete! 
- predefined_virtuals: symbol for lift added 
 
Andrea Asperti  [Mon, 26 Nov 2012 12:50:32 +0000  (12:50 +0000)] 
 
working on match 
 
Ferruccio Guidi  [Sun, 25 Nov 2012 12:41:42 +0000  (12:41 +0000)] 
 
some renaming to free the baseuri cic:/matita/lambda 
 
Ferruccio Guidi  [Fri, 23 Nov 2012 22:19:23 +0000  (22:19 +0000)] 
 
additions in lift.ma .... 
 
Wilmer Ricciotti  [Fri, 23 Nov 2012 17:53:28 +0000  (17:53 +0000)] 
 
match 
 
Ferruccio Guidi  [Fri, 23 Nov 2012 17:27:38 +0000  (17:27 +0000)] 
 
the theory of substitution is started ... 
 
Wilmer Ricciotti  [Fri, 23 Nov 2012 15:47:46 +0000  (15:47 +0000)] 
 
compare 
 
Andrea Asperti  [Fri, 23 Nov 2012 12:32:32 +0000  (12:32 +0000)] 
 
work in progress 
 
Andrea Asperti  [Fri, 23 Nov 2012 08:43:05 +0000  (08:43 +0000)] 
 
Restoring and fixing the old version 
 
Ferruccio Guidi  [Thu, 22 Nov 2012 16:09:47 +0000  (16:09 +0000)] 
 
a development about pure lambda calculus 
 
Ferruccio Guidi  [Thu, 22 Nov 2012 15:08:05 +0000  (15:08 +0000)] 
 
- additions in basic_2 
- bugfix in BTM.html 
 
Ferruccio Guidi  [Thu, 22 Nov 2012 15:05:00 +0000  (15:05 +0000)] 
 
- local environment refinement for the first recursive lemma on validity preservation 
- focalized equivalence 
- some corrections 
 
Wilmer Ricciotti  [Thu, 22 Nov 2012 12:32:44 +0000  (12:32 +0000)] 
 
match 
 
Wilmer Ricciotti  [Wed, 21 Nov 2012 16:37:20 +0000  (16:37 +0000)] 
 
match 
 
Andrea Asperti  [Wed, 21 Nov 2012 15:38:05 +0000  (15:38 +0000)] 
 
compare con terminatore 
 
Andrea Asperti  [Wed, 21 Nov 2012 09:05:44 +0000  (09:05 +0000)] 
 
match 
 
Ferruccio Guidi  [Tue, 20 Nov 2012 19:04:06 +0000  (19:04 +0000)] 
 
some corrections 
 
Ferruccio Guidi  [Tue, 20 Nov 2012 18:45:37 +0000  (18:45 +0000)] 
 
some words decapitalized :) 
 
Ferruccio Guidi  [Tue, 20 Nov 2012 18:10:17 +0000  (18:10 +0000)] 
 
milestone table in foreword 
--Questa linea, e quelle sotto essa, saranno ignorate-- 
 
M    index.html 
 
Wilmer Ricciotti  [Tue, 20 Nov 2012 16:49:23 +0000  (16:49 +0000)] 
 
match 
 
Ferruccio Guidi  [Tue, 20 Nov 2012 13:43:03 +0000  (13:43 +0000)] 
 
milestone with end date of lambda_delta_1 
 
Andrea Asperti  [Tue, 20 Nov 2012 12:14:17 +0000  (12:14 +0000)] 
 
compare 
 
Wilmer Ricciotti  [Fri, 16 Nov 2012 17:03:13 +0000  (17:03 +0000)] 
 
Match machine (multi) 
 
Wilmer Ricciotti  [Fri, 16 Nov 2012 14:24:20 +0000  (14:24 +0000)] 
 
progress 
 
Wilmer Ricciotti  [Fri, 16 Nov 2012 14:19:11 +0000  (14:19 +0000)] 
 
Parallel move machine. 
 
Wilmer Ricciotti  [Fri, 16 Nov 2012 14:18:50 +0000  (14:18 +0000)] 
 
Match machine (multi-tape) 
 
Wilmer Ricciotti  [Thu, 15 Nov 2012 16:52:25 +0000  (16:52 +0000)] 
 
Finished copy turing machine (multi-tape) 
 
Wilmer Ricciotti  [Thu, 15 Nov 2012 16:52:07 +0000  (16:52 +0000)] 
 
some more lemmata 
 
Wilmer Ricciotti  [Wed, 14 Nov 2012 17:10:33 +0000  (17:10 +0000)] 
 
copy machine (multi-tape) completed 
 
Ferruccio Guidi  [Tue, 13 Nov 2012 20:50:33 +0000  (20:50 +0000)] 
 
- one axiom removed from sd 
- traces added to auto to make it work 
- bugfix in Makefile 
- more notation and existentials for staff to be committed 
- some minor additions 
 
Wilmer Ricciotti  [Tue, 13 Nov 2012 17:21:18 +0000  (17:21 +0000)] 
 
progress 
 
Wilmer Ricciotti  [Tue, 13 Nov 2012 17:21:00 +0000  (17:21 +0000)] 
 
progress 
 
Wilmer Ricciotti  [Tue, 13 Nov 2012 14:48:13 +0000  (14:48 +0000)] 
 
progress 
 
Andrea Asperti  [Tue, 13 Nov 2012 12:15:36 +0000  (12:15 +0000)] 
 
progress 
e 
 
Andrea Asperti  [Tue, 13 Nov 2012 12:15:09 +0000  (12:15 +0000)] 
 
basic lemmas 
 
Andrea Asperti  [Mon, 12 Nov 2012 10:04:43 +0000  (10:04 +0000)] 
 
addenda 
 
Andrea Asperti  [Mon, 12 Nov 2012 10:03:51 +0000  (10:03 +0000)] 
 
inject.ma 
 
Andrea Asperti  [Sat, 10 Nov 2012 08:34:55 +0000  (08:34 +0000)] 
 
while_multi.ma 
 
Ferruccio Guidi  [Fri, 9 Nov 2012 18:56:55 +0000  (18:56 +0000)] 
 
- mac (ma count) 
  small program to count the number of characters (not bytes) in a .ma 
  file excluding (possibly nested) comments, repeated spaces, and escape 
  characters in strings 
- lambda_delta: 
  Makefile updated to use mac 
 
Andrea Asperti  [Fri, 9 Nov 2012 17:57:33 +0000  (17:57 +0000)] 
 
if_multi.ma 
 
Andrea Asperti  [Fri, 9 Nov 2012 15:09:23 +0000  (15:09 +0000)] 
 
done 
 
Ferruccio Guidi  [Wed, 7 Nov 2012 17:48:14 +0000  (17:48 +0000)] 
 
- commit completed!! 
  The static type of <W>.T is now the static type of T. 
  This allows to prove that each valid term has a static type as 
expected! 
 
Andrea Asperti  [Wed, 7 Nov 2012 16:59:25 +0000  (16:59 +0000)] 
 
New multi tapes machines 
 
Ferruccio Guidi  [Wed, 7 Nov 2012 16:46:54 +0000  (16:46 +0000)] 
 
- commit of the component: static 
- notation updates missing in former commit 
 
Ferruccio Guidi  [Wed, 7 Nov 2012 16:18:41 +0000  (16:18 +0000)] 
 
- predefined_virtuals: nwe characters 
- lib: some additions 
- lambda_delta: commit of the components gramma, substitution, unfold 
  - we parked the support for the "bt-reduction" 
  - some renaming ... 
 
Ferruccio Guidi  [Mon, 29 Oct 2012 18:28:47 +0000  (18:28 +0000)] 
 
- we set up the support for the "bt-reduction" of Automath literature 
- we now use the STIX GENERAL fonts for a better rendering of U+2B43 
 
Ferruccio Guidi  [Sun, 28 Oct 2012 14:39:27 +0000  (14:39 +0000)] 
 
an addition ... 
 
Ferruccio Guidi  [Sat, 27 Oct 2012 13:34:28 +0000  (13:34 +0000)] 
 
- some additions and corrections 
 
Claudio Sacerdoti Coen  [Fri, 19 Oct 2012 10:59:51 +0000  (10:59 +0000)] 
 
One useless Obj.magic removed. 
 
Ferruccio Guidi  [Thu, 18 Oct 2012 15:01:55 +0000  (15:01 +0000)] 
 
- additions in basic_2 
- substitution of downloadable logo is now complete!