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Author SHA1 Message Date
Leonardo de Moura
d8620ef4c9 fix(kernel,library,frontends/lean): improve error messages 
see #669
 2015-06-14 19:44:00 -07:00
Leonardo de Moura
ff5022c2f4 feat(library/data/axioms): add 'type_decidable' 
In Lean standard mode, Hilbert choice implies that all types are
decidable.
 2015-06-14 17:33:22 -07:00
Haitao Zhang
ef4b4d19ce feat(library/data/list/basic): add cons related equalities 2015-06-14 16:59:56 -07:00
Haitao Zhang
798b240149 fix(library/data/list/comb): adjust dmap related names to comply with convention 2015-06-14 16:59:56 -07:00
Leonardo de Moura
8699d2dfb7 feat(library/tactic/rewrite_tactic): display list of overloads occurring in a failed rewrite step 2015-06-14 16:30:18 -07:00
Leonardo de Moura
382d4d32b7 feat(frontends/lean): 'override' command and '#<namespace> <expr>' notation also override aliases 
Before this commit they were only overriding notation declarations.
 2015-06-14 15:48:36 -07:00
Leonardo de Moura
01f8f3c11d fix(frontends/lean): memory access violation 2015-06-14 15:37:45 -07:00
Leonardo de Moura
45684588cc fix(frontends/lean/nested_declaration): compilation error in debug mode 2015-06-13 13:10:10 -07:00
Leonardo de Moura
8a85e4ee87 feat(frontends/lean/builtin_cmds): improve print <id> when <id> is a not yet revealed theorem 
We add a remark saying the command `reveal <id>` should be used to
access `<id>` definition.
 2015-06-13 12:12:22 -07:00
Leonardo de Moura
591fb91f34 fix(frontends/lean/builtin_cmds): fixes #671 2015-06-13 11:35:03 -07:00
Leonardo de Moura
9fbf267a3f feat(library/tactic/rewrite_tactic): when 'rewrite' step fails apply esimp and try again 
closes #670
 2015-06-12 19:48:58 -07:00
Leonardo de Moura
62e1be897c test(hott/algebra/category): test new 'abstract ... end' expression in the HoTT library 2015-06-12 17:53:01 -07:00
Leonardo de Moura
3d9b557cfd feat(frontends/lean): allow the user to mark subterms that should be automatically abstracted into new definitions 
closes #484
 2015-06-12 17:49:26 -07:00
Leonardo de Moura
7bad9fe554 feat(library/error_handling/error_handling): set 'pp.beta' to false when displaying errors 
see issue #669
 2015-06-12 14:46:51 -07:00
Leonardo de Moura
4694f47ea4 refactor(frontends/lean/decl_attributes): move decl_attributes to a separate module 2015-06-12 13:38:57 -07:00
Leonardo de Moura
69be4c720c fix(library/tactic/subst_tactic): bug in 'subst' tactic 2015-06-12 12:11:44 -07:00
Leonardo de Moura
25cbc5c154 fix(kernel/expr): remove 'cast_binder_info' 
We should put it back when we decide to implement it.
We also fix the bogus comment at src/frontends/lean/parser.cpp.

see issue #667
 2015-06-11 18:11:22 -07:00
Haitao Zhang
6105263222 feat(library/data/list/comb): add theorem on dmap and adjust names 2015-06-11 15:29:52 -07:00
Haitao Zhang
1a9521dc9c fix(library/data/fintype/function): convert line endings from crlf to lf 2015-06-11 15:29:43 -07:00
Leonardo de Moura
1b5d1136d9 refactor(library/data/finset/card): remove unnecessary xrewrite 
We can use the default 'rewrite' tactic after the commits pushed today.
 2015-06-10 18:46:16 -07:00
Leonardo de Moura
dc8768627c refactor(library/data/fintype/function): cleanup proof 2015-06-10 18:21:15 -07:00
Leonardo de Moura
8fbe22f263 refactor(library/data/finset/basic): cleanup proof 2015-06-10 18:19:16 -07:00
Leonardo de Moura
8aa634378e fix(tests/lean): adjust tests to reflect changes in the standard library 2015-06-10 17:00:47 -07:00
Leonardo de Moura
226a5800dd fix(library/data/rat/order): adjust file to recent changes 2015-06-10 16:56:17 -07:00
Jeremy Avigad
3c1f5f4e33 feat(library/data/{set,finset}): add more cardinality facts, rename, and add a lemma from Haitao 2015-06-10 16:39:17 -07:00
Jeremy Avigad
658c5a2c49 feat(library/rat/basic.lean): add reduce for rat, and num and denom 2015-06-10 16:39:17 -07:00
Leonardo de Moura
0b335230d7 test(tests/lean): add test for eta at postprocessing 2015-06-10 16:33:27 -07:00
Leonardo de Moura
8b7dc4e03a feat(frontends/lean): apply eta-reduction in postprocessing step 
Perhaps, we should add an option to disable this new feature.

Remark: this commit makes commit 46d418a redundant.
I'm keeping 46d418a because we may retract this commit in the future.
 2015-06-10 16:29:30 -07:00
Leonardo de Moura
f64784378a fix(frontends/lean/pp): make pp_have more robust 
We should not assume the argument of a have_annotation is a lambda.
 2015-06-10 16:26:20 -07:00
Leonardo de Moura
01127061f5 refactor(hott/arity): cleanup 2015-06-10 15:45:46 -07:00
Leonardo de Moura
8b062b4448 feat(kernel/default_converter): add support for stuck terms at try_eta_expansion_core 2015-06-10 15:19:39 -07:00
Leonardo de Moura
ca43f6e62e refactor(frontends/lean): add postprocess procedure and cleanup 2015-06-10 15:19:35 -07:00
Leonardo de Moura
4b91cfccff feat(frontends/lean/builtin_exprs): make notation ( e : T ) builtin 
In the previous approach, the following (definitionally equal) term was being generated

       (fun (A : Type) (a : A), a) T e
 2015-06-10 14:52:59 -07:00
Leonardo de Moura
46d418af3d feat(library/abbreviation): apply eta-reduction when expanding abbreviations 2015-06-10 14:52:59 -07:00
Leonardo de Moura
cff7b7474a test(tests/lean/run): add examples showing how to prove (using tactics) that direct_subterm relation is well-founded 
see issue #347
 2015-06-09 16:17:29 -07:00
Leonardo de Moura
1bffb89126 fix(library/algebra/function): lean was failing to infer that injective is a decidable predicate for finite types with decidable equality 
This is an issue reported by Haitao.
 2015-06-09 15:30:58 -07:00
Leonardo de Moura
2663c9ab9f test(tests/lean/run): add test/example 
add test/example that defines count_vars using tactics and recursors.

see #662 for original definition, and e3a0e62859 for the fix that
allows us to use recursive equations.
The recursive equations are compiled into recursors.
 2015-06-09 14:50:15 -07:00
Leonardo de Moura
f3d50963ce fix(library/idx_metavar): compilation problem in debug mode 2015-06-09 14:37:17 -07:00
Leonardo de Moura
e3a0e62859 fix(library/unifier): try to generate approximate solution for flex-flex constraints before discarding them 
fixes #662
 2015-06-09 14:36:31 -07:00
Rob Lewis
d287b20018 chore(library/data/real): move more lemmas to algebra 2015-06-09 16:27:55 +10:00
Rob Lewis
01f0bb827c feat(library/data/real): use new algebra lemmas in completeness proof 2015-06-09 16:14:52 +10:00
Rob Lewis
7822ba9dee feat(library/algebra): add lemmas to group and ordered group 2015-06-09 16:14:21 +10:00
Rob Lewis
b1aea149db chore(library/data/real): update md 2015-06-09 15:43:43 +10:00
Rob Lewis
e112468f99 feat(library/data/real): prove reals are Cauchy complete 2015-06-09 15:39:51 +10:00
Rob Lewis
3749a8ad04 chore(library/data/real): update real.md 2015-06-09 15:39:51 +10:00
Leonardo de Moura
f7dd85a935 chore(*): fix 'breif' typos 2015-06-08 16:54:55 -07:00
Leonardo de Moura
627e05c9e6 fix(library/tactic/rewrite_tactic): improve krewrite 2015-06-08 16:46:28 -07:00
Leonardo de Moura
d6a483fe84 feat(library): add idx_metavar module 2015-06-08 16:02:37 -07:00
Leonardo de Moura
1c5c79fbc1 refactor(library/data/list/perm): use improved 'obtain' to cleanup proof 2015-06-08 11:58:21 -07:00
Haitao Zhang
6949e2d422 feat(library/data/fintype): add finite function related theories 
develop kth related techniques, all_lists_of_len, all_funs, map between lists and functions, finite inverse and cardinality
remove function module from default import list for now
 2015-06-08 10:48:22 -07:00