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Author SHA1 Message Date
Floris van Doorn
36dfb61a3e feat(category.limits): prove that yoneda preserves limits 2015-11-08 14:04:59 -08:00
Floris van Doorn
46dba4ee5e refactor(category): move some files to subfolders, and create file with basic functors 2015-11-08 14:04:59 -08:00
Floris van Doorn
e14754a337 feat(category): start on proof of yoneda preserves limits and limit functor is left adjoint 2015-11-08 14:04:59 -08:00
Floris van Doorn
f2d07ca23c feat(category): various small changes in category theory 2015-11-08 14:04:59 -08:00
Floris van Doorn
de1c47eda9 feat(categories): add exponential laws for categories 
also give nicer rules to construct equalities between (pre)categories
 2015-11-08 14:04:59 -08:00
Floris van Doorn
0e7b7af1da refactor(category): add new folder functor, split adjoint file into separate files 2015-11-08 14:04:59 -08:00
Floris van Doorn
3f0d8c0a8c feat(category.adjoint): prove more about functors 2015-11-08 14:04:58 -08:00
Floris van Doorn
18ec5f8b85 feat(categories): prove introduction rule for equivalences 2015-11-08 14:04:58 -08:00
Floris van Doorn
448178a045 feat(category.functor2): prove that the category of functors is complete and cocomplete if the codomain is 2015-11-08 14:04:58 -08:00
Floris van Doorn
3b7afad6ad feat(category.hset): prove that the category of sets is cocomplete 2015-11-08 14:04:58 -08:00
Floris van Doorn
c7fd29f854 feat(category): start with the introduction rule for equivalences 2015-11-08 14:04:58 -08:00
Leonardo de Moura
d1e111fd6c fix(hott,frontends/lean,library,library/tactic): make sure we can still compile the HoTT library 2015-11-08 14:04:55 -08:00
Leonardo de Moura
744d1cba3d feat(library,hott,frontends/lean): avoid keywords with hyphen 2015-11-08 14:04:54 -08:00
Floris van Doorn
115dedbd1c fix(hott): notation spacing and markdown files 2015-10-02 16:26:10 -07:00
Floris van Doorn
2264759060 feat(category): define colimits as dual of limits 2015-09-28 09:09:22 -07:00
Floris van Doorn
df73931a6d feat(category.opposite): prove that the opposite of a univalent category is univalent 2015-09-28 09:09:22 -07:00
Floris van Doorn
099bd95ebd feat(category.limits): prove that being complete is a mere proposition for categories 2015-09-28 09:09:22 -07:00
Floris van Doorn
51edd0ad1d feat(category.constructions.hset): prove that the category of sets is complete 2015-09-28 09:09:22 -07:00
Floris van Doorn
f82d1bd566 feat(category): add limits in a category 2015-09-28 09:09:22 -07:00
Floris van Doorn
6e23305c5d feat(category): define terminal, initial, indiscrete and sum category 2015-09-28 09:09:21 -07:00
Floris van Doorn
e84b22864f feat(hott): various changes in the HoTT library 2015-09-11 23:35:21 -07:00
Floris van Doorn
bd3aa9cf54 feat(category): prove Theorem 9.5.9 from the HoTT book 2015-09-11 23:35:21 -07:00
Floris van Doorn
1a3b363467 feat(category): prove that the yoneda embedding is an embedding 2015-09-11 23:35:21 -07:00
Floris van Doorn
fd89aa77a3 feat(hott): prove Yoneda lemma 2015-09-11 23:35:21 -07:00
Leonardo de Moura
cae2271818 refactor(hott/algebra/category/adjoint): rewrite expensive proof 
see #815
 2015-09-01 16:59:14 -07:00
Floris van Doorn
a8964adb9c fix(hott): make sure there are no sorry's visible 2015-09-01 15:17:46 -07:00
Floris van Doorn
7e52c49dce feat(hott): many changes is the HoTT library 
Prove that 'is_left_adjoint F' is a mere proposition, although this proof is commented out because it takes ~10 seconds
 2015-09-01 15:17:46 -07:00
Floris van Doorn
ad5cda48a8 refactor(hott): move cubical folder and files eq2, function and hprop_trunc from types/ to the root HoTT directory 2015-08-07 13:34:41 -07:00
Floris van Doorn
189293b5d4 fix(init.path): rename transport_compose to tr_compose 2015-08-07 13:34:41 -07:00
Floris van Doorn
7a780b1b60 feat(hott): various minor changes in the HoTT library 2015-08-04 13:01:11 +02:00
Leonardo de Moura
b3cd3efbb4 refactor(hott): fix "sorry"s at int/basic.hlean, and comment the remaining "sorry"s 2015-07-27 08:34:11 -07:00
Leonardo de Moura
4b1b3e277f feat(frontends/lean): rename '[unfold-c]' to '[unfold]' and '[unfold-f]' to '[unfold-full]' 
see issue #693
 2015-07-07 16:37:06 -07:00
Leonardo de Moura
de90926eed refactor(hott): adjust HoTT library to new support for projections 2015-06-26 17:18:30 -07:00
Floris van Doorn
124c9d3d8a feat(hott): various cleanup and fixes, rename \~ to ~, expand types.pointed 2015-06-25 22:31:40 -04:00
Floris van Doorn
fa1979c128 feat(datatypes): let the type of unit be the lowest non-Prop universe 
The definitional package (brec_on and cases_on) now use poly_unit instead of unit

closes #698
 2015-06-25 17:33:46 -07:00
Leonardo de Moura
5830d7d037 refactor(hott/algebra/category/yoneda): reduce compilation time using 'rewrite' tactic 2015-06-18 15:52:08 -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
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
6f6848968d feat(frontends/lean/coercion_elaborator): "coercion lifting" for backtracking case 
closes #252
 2015-05-30 16:44:26 -07:00
Floris van Doorn
4a29f4bdd4 feat(types): incorporate pathovers in the files of the types folder 
Conflicts:
	hott/cubical/pathover.hlean
 2015-05-26 21:37:01 -07:00
Floris van Doorn
0b12d51b25 feat(hott): use pathovers in all the recursors of hits 
move pathover file to the init folder
 2015-05-26 21:37:01 -07:00
Floris van Doorn
54ed8a8e76 feat(hott): small changes in init and category 2015-05-26 21:37:01 -07:00
Jeremy Avigad
33214f0895 refactor(hott/*): remove 'Module:' lines 2015-05-23 20:52:58 +10:00
Leonardo de Moura
e1c2340db2 fix(frontends/lean): consistent behavior for protected declarations 
see https://github.com/leanprover/lean/issues/604#issuecomment-103265608

closes #609
 2015-05-18 22:35:18 -07:00
Floris van Doorn
c430d1d5ba feat(category.constructions): define comma category 2015-05-18 15:59:55 -07:00
Floris van Doorn
eedf1992bf feat(functor): prove sorry's, and shorten some proofs 2015-05-18 15:59:55 -07:00
Floris van Doorn
2144036cdb feat(hott.circle): prove that the fundamental group of the circle is equal to the integers, as groups 
Also many minor fixes at various places
 2015-05-18 15:59:55 -07:00
Leonardo de Moura
19361f0196 feat(library/unifier): do not fire type class resolution as last resort when type contains metavariables 
see discussion at #604
 2015-05-18 15:45:23 -07:00
Leonardo de Moura
0b57f7d00a refactor(library/tactic): refine interface between tactic and proof-term modes 
Some constraints were being lost with the previous interface.
This is why we had a workaround in fintype.lean.

We can also remove some hacks we have used in the past.
 2015-05-07 18:02:51 -07:00
Floris van Doorn
7cfac38eda feat(hott): port parts of natural numbers and integers from standard library to HoTT 
This also involves:
- adding definitions about logic and natural numbers existing in the standard library to init
- porting the current algebraic hierarchy
 2015-05-07 16:39:03 -07:00