]>
 
 
matita.cs.unibo.it Git - helm.git/log 
 
 
 
 
 
 
Enrico Tassi  [Tue, 17 Apr 2007 09:44:43 +0000  (09:44 +0000)] 
 
RT_BASEDIR changed to a sensible path 
 
Enrico Tassi  [Tue, 17 Apr 2007 09:22:56 +0000  (09:22 +0000)] 
 
broken list fix 
 
Enrico Tassi  [Tue, 17 Apr 2007 08:41:09 +0000  (08:41 +0000)] 
 
fixed a list.nth called on a too short list 
 
Enrico Tassi  [Tue, 17 Apr 2007 08:22:49 +0000  (08:22 +0000)] 
 
... 
 
Enrico Tassi  [Tue, 17 Apr 2007 08:21:57 +0000  (08:21 +0000)] 
 
added generation of hne and heq problems 
 
Enrico Tassi  [Mon, 16 Apr 2007 21:16:11 +0000  (21:16 +0000)] 
 
better simplify 
 
Enrico Tassi  [Mon, 16 Apr 2007 21:15:44 +0000  (21:15 +0000)] 
 
simplify has a brand new semantics! 
replace_lifting passes a context to the comparison function 
(but in the case Fix/CoFix is incomplete) 
 
Ferruccio Guidi  [Mon, 16 Apr 2007 15:28:27 +0000  (15:28 +0000)] 
 
subst tactic put in a file on its own 
 
Enrico Tassi  [Mon, 16 Apr 2007 08:33:28 +0000  (08:33 +0000)] 
 
closed all axioms 
 
Enrico Tassi  [Thu, 12 Apr 2007 12:11:11 +0000  (12:11 +0000)] 
 
HACK for indtype checking 
 
Enrico Tassi  [Tue, 10 Apr 2007 15:08:33 +0000  (15:08 +0000)] 
 
fixed case 
 
Enrico Tassi  [Tue, 10 Apr 2007 14:32:28 +0000  (14:32 +0000)] 
 
set -> type 
 
Enrico Tassi  [Tue, 10 Apr 2007 14:32:01 +0000  (14:32 +0000)] 
 
... 
 
Enrico Tassi  [Tue, 10 Apr 2007 14:29:38 +0000  (14:29 +0000)] 
 
... 
 
Enrico Tassi  [Tue, 10 Apr 2007 14:29:04 +0000  (14:29 +0000)] 
 
... 
 
Enrico Tassi  [Tue, 10 Apr 2007 14:28:33 +0000  (14:28 +0000)] 
 
match x in IDENT and not TERM 
 
Enrico Tassi  [Tue, 10 Apr 2007 14:27:15 +0000  (14:27 +0000)] 
 
still not completely working but at least non dumb destruct 
 
Enrico Tassi  [Tue, 10 Apr 2007 14:24:30 +0000  (14:24 +0000)] 
 
you can case even if only a right appears... so, substituting them for metas is wrong, rels are better 
 
Enrico Tassi  [Tue, 10 Apr 2007 14:23:02 +0000  (14:23 +0000)] 
 
... 
 
Enrico Tassi  [Fri, 6 Apr 2007 11:25:34 +0000  (11:25 +0000)] 
 
eval_from_stream is now tail recursive! 
 
Enrico Tassi  [Thu, 5 Apr 2007 13:18:15 +0000  (13:18 +0000)] 
 
pattern with match fixed 
 
Enrico Tassi  [Thu, 5 Apr 2007 13:17:08 +0000  (13:17 +0000)] 
 
many printings added 
 
Enrico Tassi  [Thu, 5 Apr 2007 13:15:51 +0000  (13:15 +0000)] 
 
fixed the pretty (notation aware) printer 
 
Ferruccio Guidi  [Wed, 4 Apr 2007 15:01:50 +0000  (15:01 +0000)] 
 
alpha equivalence fixed: in the case "meta against meta" we did not recur on theexplicit substitutions. The case "Type against Type" and "Implicit against Implicit" need to be checked. Are we really sure that structural equality is enough? 
(when we compare universes and implict annotations) 
 
Ferruccio Guidi  [Wed, 4 Apr 2007 12:36:33 +0000  (12:36 +0000)] 
 
alpha equivalence test factorized and moved to CicUtil 
 
Enrico Tassi  [Tue, 3 Apr 2007 08:35:14 +0000  (08:35 +0000)] 
 
new case implementation 
 
Ferruccio Guidi  [Mon, 2 Apr 2007 17:57:03 +0000  (17:57 +0000)] 
 
Procedural: some improvements 
 
Ferruccio Guidi  [Mon, 2 Apr 2007 12:20:41 +0000  (12:20 +0000)] 
 
Procedural: refactoring 
 
Ferruccio Guidi  [Mon, 2 Apr 2007 12:09:35 +0000  (12:09 +0000)] 
 
Cic2acic  : added some debugging information 
Procedural: some refactoring and improvements 
 
Enrico Tassi  [Mon, 2 Apr 2007 11:20:44 +0000  (11:20 +0000)] 
 
added some tests for cases 
 
Enrico Tassi  [Mon, 2 Apr 2007 11:20:22 +0000  (11:20 +0000)] 
 
hopefully fixed cases implementation 
 
Ferruccio Guidi  [Fri, 30 Mar 2007 21:54:45 +0000  (21:54 +0000)] 
 
Optimizer: refactored according to its formal description 
 
Claudio Sacerdoti Coen  [Mon, 26 Mar 2007 18:05:50 +0000  (18:05 +0000)] 
 
Serious bug fixed: a variable was captured during unfolding of Fix, resulting 
in the context of the return type of mutually recursive definitions being 
lifted for each function but the first one! 
 
Enrico Tassi  [Mon, 26 Mar 2007 13:24:27 +0000  (13:24 +0000)] 
 
added eta expansion to avoid universe inconsistency. 
 
Claudio Sacerdoti Coen  [Thu, 22 Mar 2007 19:04:32 +0000  (19:04 +0000)] 
 
Several instances of the same bug fixed at once: when processing a Fix, 
before adding the types to the context (to process the bodies), the types 
must be lifted. The simplify tactic is still not working propertly. 
 
Claudio Sacerdoti Coen  [Thu, 22 Mar 2007 16:20:36 +0000  (16:20 +0000)] 
 
Debugging code removed. 
 
Ferruccio Guidi  [Fri, 16 Mar 2007 18:39:27 +0000  (18:39 +0000)] 
 
elim tactic: it needs two arguments, a term as well as a pattern 
CicReduction: head_beta_reduce now can take the number of beta-redexes to reduce 
Procedural: refactoring 
 
Andrea Asperti  [Fri, 16 Mar 2007 08:05:44 +0000  (08:05 +0000)] 
 
New contrib moebius.ma. 
 
Andrea Asperti  [Fri, 16 Mar 2007 08:04:32 +0000  (08:04 +0000)] 
 
Extensions required for the moebius function (in Z). 
 
Claudio Sacerdoti Coen  [Tue, 13 Mar 2007 16:17:42 +0000  (16:17 +0000)] 
 
Role of 
 - replace 
 - replace_lifting 
 - replace_lifting_csc 
clarified with comments. None of this function is the inverse of subst :-) 
 
Ferruccio Guidi  [Tue, 13 Mar 2007 13:21:56 +0000  (13:21 +0000)] 
 
elim tactic: now takes a pattern instead of just a term 
             works as before for now. the pattern wil be activated soon 
Procedural:  cleaning up 
ProofEngineReduction: new subst_inv function exactly inverts subst 
 
Andrea Asperti  [Tue, 13 Mar 2007 10:58:06 +0000  (10:58 +0000)] 
 
Few theorems added.` 
 
Andrea Asperti  [Tue, 13 Mar 2007 10:53:33 +0000  (10:53 +0000)] 
 
new version of div_and_mod 
 
Andrea Asperti  [Tue, 13 Mar 2007 10:50:01 +0000  (10:50 +0000)] 
 
Capturing Invalid_argument inside pp (otherwise we cannot even 
see what's wrong *) wrong. 
 
Ferruccio Guidi  [Sun, 11 Mar 2007 21:17:44 +0000  (21:17 +0000)] 
 
case to elim conversion works fine 
 
Ferruccio Guidi  [Sat, 10 Mar 2007 22:58:31 +0000  (22:58 +0000)] 
 
added a test for rewrite under Pi 
 
Ferruccio Guidi  [Sat, 10 Mar 2007 22:23:38 +0000  (22:23 +0000)] 
 
rewrite tactic: bug fix in rewriting under Pi's: 
                the application context of the subterm to rewrite can not be 
		forgotten 
 
Ferruccio Guidi  [Fri, 9 Mar 2007 22:53:49 +0000  (22:53 +0000)] 
 
Procedural: 2 bug fix in eta expansion + 1 bug fix in pattern generation 
 
Ferruccio Guidi  [Thu, 8 Mar 2007 15:31:02 +0000  (15:31 +0000)] 
 
some improvements 
 
Ferruccio Guidi  [Wed, 7 Mar 2007 15:49:41 +0000  (15:49 +0000)] 
 
Procedural: bug fix 
 
Ferruccio Guidi  [Wed, 7 Mar 2007 11:29:03 +0000  (11:29 +0000)] 
 
Relational: one file was missing :-) 
Procedural: the cic object preprocessor was not added to svn :-) 
 
Ferruccio Guidi  [Wed, 7 Mar 2007 11:11:22 +0000  (11:11 +0000)] 
 
Procedural  : cic object preprocessor added 
depend[.opt]: some fixes 
 
Ferruccio Guidi  [Fri, 2 Mar 2007 22:24:16 +0000  (22:24 +0000)] 
 
Procedural: now patterns for rewrite are generated correctly 
 
Ferruccio Guidi  [Thu, 1 Mar 2007 19:00:14 +0000  (19:00 +0000)] 
 
Procedural: some improvements 
rewrite tactic: bug fix in hyps searching 
TermContentPres: one space added in let-in rendering 
prova.ma: new procedural proof of ty3_gen_cast 
 
Ferruccio Guidi  [Thu, 1 Mar 2007 15:45:33 +0000  (15:45 +0000)] 
 
procedural proof of ty3_gen_cast 
 
Enrico Zoli  [Thu, 1 Mar 2007 12:15:24 +0000  (12:15 +0000)] 
 
"by j let x : T such that P(x)" generalized to allow arbitrary justifications. 
The code and behaviour should be cleaned up a little bit. 
 
Ferruccio Guidi  [Tue, 27 Feb 2007 19:20:48 +0000  (19:20 +0000)] 
 
some improvements 
 
Ferruccio Guidi  [Tue, 27 Feb 2007 16:36:45 +0000  (16:36 +0000)] 
 
- Procedural: some improvements 
- intros n tactic: now tries whd when Pi or let-ins are not enough 
 
Ferruccio Guidi  [Mon, 26 Feb 2007 13:36:43 +0000  (13:36 +0000)] 
 
decompose: delta-expansion of the type to eliminate now works fine 
 
Ferruccio Guidi  [Sun, 25 Feb 2007 16:28:38 +0000  (16:28 +0000)] 
 
RELATIONAL: new undecomposable definition of NLE 
Procedural: some refactoring 
decompose tactic: only types of sort Prop are decomposed now 
 
Ferruccio Guidi  [Wed, 21 Feb 2007 15:59:26 +0000  (15:59 +0000)] 
 
decompose now works without premises 
 
Ferruccio Guidi  [Wed, 21 Feb 2007 14:15:55 +0000  (14:15 +0000)] 
 
procedural      : some improvements. 
decompose tactic: user provided premise and types removed. 
                  The decomposable types are now the non-recursive inductive 
		  types without right parameters and are auto-detected 
 
Ferruccio Guidi  [Tue, 20 Feb 2007 16:27:33 +0000  (16:27 +0000)] 
 
acic_procedural: changed module compilation order 
TermAcicContent: bug fix in AMutCase 
                 the presence of left parametes was not taken into account 
 
notin  [Tue, 20 Feb 2007 14:45:11 +0000  (14:45 +0000)] 
 
small fix to make it compile again 
 
Enrico Tassi  [Mon, 19 Feb 2007 22:03:09 +0000  (22:03 +0000)] 
 
added some code to print the praamodulation proofs with a graph 
 
Ferruccio Guidi  [Mon, 19 Feb 2007 14:11:14 +0000  (14:11 +0000)] 
 
Unified-Sub: lift_comm completed 
 
Ferruccio Guidi  [Sat, 17 Feb 2007 22:37:23 +0000  (22:37 +0000)] 
 
contribs: some improvements 
 
Ferruccio Guidi  [Thu, 15 Feb 2007 23:02:13 +0000  (23:02 +0000)] 
 
contribs: some improvements 
Sequent2pres: added some spaces 
 
Ferruccio Guidi  [Thu, 15 Feb 2007 15:19:33 +0000  (15:19 +0000)] 
 
refactoring 
 
Ferruccio Guidi  [Wed, 14 Feb 2007 19:54:52 +0000  (19:54 +0000)] 
 
some improvements 
 
Ferruccio Guidi  [Wed, 14 Feb 2007 17:10:16 +0000  (17:10 +0000)] 
 
Procedural       : some improvements 
PrimitiveTactics : tentative implementation of using clause in elim 
CicNotationParser: noe declarations of the form (_:t) are parsable 
 
Ferruccio Guidi  [Mon, 12 Feb 2007 22:53:46 +0000  (22:53 +0000)] 
 
LexiconAstPp: fixed syntax for include 
TermContentPres: fixed syntax for letin 
lexiconEngine: moved callback from grafiteParser 
matitac: -dump patched 
 
Ferruccio Guidi  [Mon, 12 Feb 2007 08:03:58 +0000  (08:03 +0000)] 
 
unified: some theorems on Lift started 
 
Ferruccio Guidi  [Sun, 11 Feb 2007 12:46:45 +0000  (12:46 +0000)] 
 
Unified: INC and BEq removed 
contribs: added dependence to ../legacy in the Makefile 
 
Ferruccio Guidi  [Fri, 9 Feb 2007 17:27:31 +0000  (17:27 +0000)] 
 
added option -dump to matitac for persistent macro expansion 
 
Claudio Sacerdoti Coen  [Fri, 9 Feb 2007 16:18:37 +0000  (16:18 +0000)] 
 
Avoid generating invalid names with "'" in the middle of them. 
 
Stefano Zacchiroli  [Fri, 9 Feb 2007 16:18:01 +0000  (16:18 +0000)] 
 
Added toggle for enabling/disabling the conversion from multibyte unicode 
characters to TeX when converting CIC terms to textual formulae. The toggle is 
under the Edit menu (rational: it's near the paste commands, maybe it should be 
added to the GtkSourceView contextual menu too). The toggle governs the 
matita.paste_unicode_as_tex boolean registry value. The txt_of_* rendering 
functions have been changed to accept a new optional boolean parameter. 
 
Claudio Sacerdoti Coen  [Fri, 9 Feb 2007 16:05:29 +0000  (16:05 +0000)] 
 
The ApplyTransformation.txt_of_term function has been made more robust to 
exceptions. 
 
Stefano Zacchiroli  [Fri, 9 Feb 2007 15:18:08 +0000  (15:18 +0000)] 
 
- moved to the view menu toggles for coercion hiding and notation pp 
- moved back the high level pp toggle to the debug menu 
 
Claudio Sacerdoti Coen  [Fri, 9 Feb 2007 15:12:07 +0000  (15:12 +0000)] 
 
Exceptions should never escape the final exception handler for the worker 
threads. This patch just reduces the probability. 
 
Claudio Sacerdoti Coen  [Fri, 9 Feb 2007 15:07:13 +0000  (15:07 +0000)] 
 
Debugging code fixed. To enable debugging just set debug to true at the 
top of the file. 
 
Claudio Sacerdoti Coen  [Fri, 9 Feb 2007 14:53:30 +0000  (14:53 +0000)] 
 
Debugging code removed. 
 
Stefano Zacchiroli  [Fri, 9 Feb 2007 13:29:08 +0000  (13:29 +0000)] 
 
moved the high level pretty printing setting to a toggle menu item of the View menu (with CTRL-P shortcut) 
 
Claudio Sacerdoti Coen  [Thu, 8 Feb 2007 18:46:57 +0000  (18:46 +0000)] 
 
More progress in technicalities/setoids.ma. 
I have now reached the final theorem! 
 
Claudio Sacerdoti Coen  [Thu, 8 Feb 2007 18:27:48 +0000  (18:27 +0000)] 
 
Manual for the "default" command updated. 
 
Claudio Sacerdoti Coen  [Thu, 8 Feb 2007 18:11:08 +0000  (18:11 +0000)] 
 
* 'default "equality"' command changed to consider also 
  eq_rec, eq_rec_r, eq_rect, eq_rect_r 
* rewrite tactic changed to rewrite also in goals of type Set and Type 
* more progress in technicalities/setoids.ma 
 
Claudio Sacerdoti Coen  [Thu, 8 Feb 2007 16:55:37 +0000  (16:55 +0000)] 
 
If a pretty printed term spans on multiple lines, then it is printed after 
a new line and followed by a new line too. 
 
Claudio Sacerdoti Coen  [Thu, 8 Feb 2007 16:44:53 +0000  (16:44 +0000)] 
 
Important commit: 
from now on the pretty printer CicMetaSubst.ppterm_in_context is substituted 
with a reference to an high level pretty-printer (now defined in 
matita/applyTransformation.ml). In the debug menu there is a switch to turn 
it off and get back the old pretty-printer. 
 
Ferruccio Guidi  [Thu, 8 Feb 2007 15:39:43 +0000  (15:39 +0000)] 
 
developments fixup 
 
Ferruccio Guidi  [Thu, 8 Feb 2007 15:33:29 +0000  (15:33 +0000)] 
 
Unified refactored 
 
Ferruccio Guidi  [Thu, 8 Feb 2007 15:24:44 +0000  (15:24 +0000)] 
 
definitions fixup 
 
Ferruccio Guidi  [Thu, 8 Feb 2007 13:52:04 +0000  (13:52 +0000)] 
 
fix dependences for matita 
 
Ferruccio Guidi  [Wed, 7 Feb 2007 19:13:19 +0000  (19:13 +0000)] 
 
LAMBDA-TYPES: refactored 
 
Ferruccio Guidi  [Wed, 7 Feb 2007 19:11:00 +0000  (19:11 +0000)] 
 
refactoring 
 
Ferruccio Guidi  [Wed, 7 Feb 2007 18:35:46 +0000  (18:35 +0000)] 
 
Level-1 refactored 
 
Ferruccio Guidi  [Wed, 7 Feb 2007 18:34:04 +0000  (18:34 +0000)] 
 
refactoring 
 
Ferruccio Guidi  [Wed, 7 Feb 2007 18:29:01 +0000  (18:29 +0000)] 
 
refactoring 
 
Claudio Sacerdoti Coen  [Wed, 7 Feb 2007 10:47:05 +0000  (10:47 +0000)] 
 
New dependency over acic_procedural. 
 
Ferruccio Guidi  [Tue, 6 Feb 2007 19:36:05 +0000  (19:36 +0000)] 
 
- Procedural: moved in a directory on its own 
- ApplyTransofrmation: now handles inline macro expansion 
- GrafiteParser MatitaEngine MatitacLib: added a callback in each 
- tests/letrecand.ma: changed baseuri 
 
Claudio Sacerdoti Coen  [Tue, 6 Feb 2007 18:50:23 +0000  (18:50 +0000)] 
 
More stuff in technicalities/setoids.ma