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544 commits

Author SHA1 Message Date
Jeremy Avigad
4420f0dc0c feat(library/algebra/group): add ordered semigroups 2014-11-17 18:32:14 -08:00
Leonardo de Moura
3cd3da5a84 refactor(library/data/prod/wf): remove duplication, and import wf's for sigma and prod 2014-11-16 21:19:10 -08:00
Leonardo de Moura
b7725c2949 feat(library/data/sigma/wf): define 'lex' for 'sigma' types and prove wf theorem 2014-11-16 20:08:52 -08:00
Leonardo de Moura
dd0b1ecdbf refactor(library/data/sigma): break file into smaller pieces to reduce dependencies 2014-11-16 18:22:03 -08:00
Leonardo de Moura
53ac754328 refactor(library/data/option): cleanup using 'no_confusion' 2014-11-16 17:56:51 -08:00
Leonardo de Moura
de209f929e feat(library/data/prod/wf): define relational product and prove wf theorem for it 2014-11-16 17:47:07 -08:00
Leonardo de Moura
bf5f48730c refactor(library/data/subtype): define subtype using 'structure' command 2014-11-16 15:01:14 -08:00
Leonardo de Moura
b5404cd979 refactor(library/data/vector): cleanup, use variables, add concat 2014-11-15 22:36:52 -08:00
Leonardo de Moura
85f24e4c80 feat(library/data/vector): add 'zip' and 'unzip' functions 2014-11-15 22:19:23 -08:00
Leonardo de Moura
a7adfde84f feat(library/data/vector): use 'mechanical' definitions, and add 'last' function 
The 'mechanical' definitions are "mimicking" what the definitional
package will do.
 2014-11-15 20:21:18 -08:00
Leonardo de Moura
627c7cb531 chore(library/logic/wf): remove unnecessary :max 2014-11-14 17:37:05 -08:00
Jeremy Avigad
0d982cceed feat(library/algebra/ring): begin theory of semirings and rings 2014-11-14 17:27:35 -08:00
Leonardo de Moura
e7a7458922 feat(library/general_notation): reserve unary minus 2014-11-13 22:08:20 -08:00
Jeremy Avigad
1ed7794264 feat(library/algebra/group): add theorems for calculation 2014-11-13 20:44:58 -08:00
Jakob von Raumer
e740fbe8c4 chore(library/hott) remove hott.axoims.ua from imports of funext_from_ua.lean 2014-11-13 20:43:46 -08:00
Jakob von Raumer
b514a978b2 fix(library/hott) changed pointed.lean to use trunc.lean correctly 2014-11-13 20:43:46 -08:00
Jakob von Raumer
8dfa78e070 feat(library/hott) almost completed portin UnivalenceImpliesFunext.v 2014-11-13 20:43:46 -08:00
Jakob von Raumer
df4a8db23d feat(library/hott) add to trunc.lean: contractible types are equivalent to unit 2014-11-13 20:43:46 -08:00
Jakob von Raumer
3ee703f5d5 feat(library/hott) Ported part of UnivalenceImpliesFunext.v 2014-11-13 20:43:46 -08:00
Jakob von Raumer
2ed7032997 chore(library/hott) cleaned up the proof a bit 2014-11-13 20:43:46 -08:00
Jakob von Raumer
b5d564431a feat(library/hott) port the rest of Funext_Varieties.v 2014-11-13 20:43:46 -08:00
Jakob von Raumer
6296f8e092 feat(library/hott) port a good portion of FunextVarieties.v 2014-11-13 20:43:46 -08:00
Jakob von Raumer
be8c758be1 feat(library/hott) ported Pointed.v 2014-11-13 20:43:45 -08:00
Leonardo de Moura
edd04881ee fix(library/logic): import prod and unit declarations in logic 
Reason: we need them for automatically generating constructions needed
by the definitional package
 2014-11-12 16:54:50 -08:00
Leonardo de Moura
6bc89f0916 feat(library/definitional): define ibelow and below 
These are helper definitions for brec_on and binduction_on
 2014-11-12 16:38:46 -08:00
Leonardo de Moura
ef5a3e83ad feat(library/data/vector): expand 'vector' module 2014-11-11 22:33:47 -08:00
Leonardo de Moura
21b93bd2e5 chore(library/data/prod/wf): remove dependency on opaque theorem 2014-11-11 00:39:53 -08:00
Leonardo de Moura
54213b48dc feat(library/data/prod/wf): lex of well-founded relations is well-founded 2014-11-11 00:29:21 -08:00
Leonardo de Moura
76711d00c1 feat(library/data/nat/wf): define measure using inverse image 2014-11-11 00:28:46 -08:00
Leonardo de Moura
4623a62ec3 feat(library/data/nat/wf): predecessor relation is well-founded 2014-11-10 22:15:15 -08:00
Leonardo de Moura
9c93816211 chore(library/logic/wf): cleanup 2014-11-10 21:19:38 -08:00
Leonardo de Moura
4ebd3e2c27 feat(library/logic/wf): transitive closure of a well-founded relation is well-founded 2014-11-10 21:07:28 -08:00
Leonardo de Moura
22b7a0615f fix(frontends/lean): coercion affects other modules 2014-11-10 20:14:19 -08:00
Leonardo de Moura
64043094f4 feat(library/logic/wf): some basic definitions for constructing well_founded relations 2014-11-10 17:57:55 -08:00
Leonardo de Moura
189e5e6b48 refactor(library/data/nat/wf): mark theorem as transparent 
It doesn't really help since
        le_imp_lt_or_eq, succ_le_cancel, lt_imp_le_succ and or.elim
are still opaque
 2014-11-10 12:52:02 -08:00
Floris van Doorn
107a9cf8e4 feat(library): port more of truncation library from Coq HoTT 
Everything directly about truncations in the basic truncation library is ported.
Some theorems about other structures still need to be ported.
Also made some minor changes in hott.equiv
 2014-11-08 19:12:54 -08:00
Floris van Doorn
780e949992 feat(empty): define negation of types 2014-11-08 19:12:54 -08:00
Floris van Doorn
bf27a17dec style(library): add some comments 2014-11-08 19:12:54 -08:00
Floris van Doorn
8c7fdd3708 style(library): rename set_category to discrete_category 2014-11-08 19:12:54 -08:00
Floris van Doorn
930cc11684 doc(algebra): update markdown files 2014-11-08 19:12:54 -08:00
Floris van Doorn
cd33d2e96d refactor(typeof): move typeof to general_notation 2014-11-08 19:12:54 -08:00
Floris van Doorn
74779dd855 feat(hott/trunc): clean up some theorems, prove some basic theorems 2014-11-08 19:12:54 -08:00
Floris van Doorn
08c56188b6 feat(library/hott/trunc): prove that n-types are (n+1)-types. 2014-11-08 19:12:54 -08:00
Jeremy Avigad
4a955c0f92 feat(library/algebra/order): begin theory of orders 
feat(library/algebra/order): begin theory of orders
 2014-11-08 19:07:59 -08:00
Leonardo de Moura
b97d437011 refactor(library/data/nat/basic): use no_confusion construction to simplify proofs 2014-11-08 19:00:40 -08:00
Leonardo de Moura
ac5a963db3 refactor(library/data/sum): use no_confusion construction to simplify proofs 2014-11-08 18:58:56 -08:00
Leonardo de Moura
46149d0d50 refactor(library/data/prod): break into pieces to reduce dependencies 
prod is needed for some automatically generated constructions.
So, it is important it is loaded in the environment as early as possible.
 2014-11-08 10:19:29 -08:00
Leonardo de Moura
ad2ecfb7a8 refactor(library/logic/cast): move heq declaration to a separate module 
heq is be needed for some automatically generated constructions.
So, we want it available with the least number of dependencies.
 2014-11-08 10:19:29 -08:00
Leonardo de Moura
64d2cc60c2 feat(library/data/nat/wf): add nat.lt is well founded theorem 2014-11-07 10:48:31 -08:00
Jeremy Avigad
c28227d7a1 feat(library/algebra/group): add multiplicative and additive structures 2014-11-07 10:23:37 -08:00
Jeremy Avigad
05ec76185d fix(library/hott/fibrant): set arguments for type class resolution 2014-11-07 10:23:37 -08:00
Leonardo de Moura
92b0a538c5 refactor(library/logic/wf): add well_founded class, and cleanup file 2014-11-07 10:18:24 -08:00
Leonardo de Moura
f16f215c2a refactor(data/num/string): break into pieces to reduce dependencies 2014-11-07 08:53:14 -08:00
Leonardo de Moura
fd34fd17de refactor(library/data/bool): break into pieces to reduce dependencies 2014-11-07 08:41:14 -08:00
Leonardo de Moura
e993486301 refactor(library/data/num): break into pieces to reduce dependencies 2014-11-07 08:24:29 -08:00
Leonardo de Moura
85d0521d48 feat(frontends/lean): add '[parsing-only]' modifier to notation declarations, closes #305 2014-11-06 21:34:05 -08:00
Jakob von Raumer
754901cf64 fix(library/hott) make universe index in ua.lean variable 2014-11-06 20:02:10 -05:00
Jakob von Raumer
b8ec1a1649 chore(library/hott) cleanup 2014-11-06 19:41:08 -05:00
Jakob von Raumer
f1cc0c4bd8 chore(library/hott) add note referring to missing substitution lemma 2014-11-06 19:27:27 -05:00
Jakob von Raumer
7dbd7b31f6 Added substitution lemma for equivalence calculations 2014-11-06 19:22:57 -05:00
Jakob von Raumer
fa9cbb1f6a chore(library/hott) adapted univalence axiom to suit notation in book and def in Coq. 2014-11-06 19:22:57 -05:00
Jakob von Raumer
d842be9c52 feat(library/hott) add univalence axiom 2014-11-06 19:22:57 -05:00
Jakob von Raumer
28d1c6c5e4 chore(library/hott) move function extensionality into new axioms folder, adjust file(s) using it 2014-11-06 19:22:57 -05:00
Jakob von Raumer
9ad75108a3 chore(library/hott) clean up file and add class inference 2014-11-06 15:57:30 -08:00
Jakob von Raumer
1f5be44f51 chore(library/hott) clean up Equiv namespace 2014-11-06 15:57:30 -08:00
Jakob von Raumer
8e1949e9aa feat(library/hott) add calc environment for equivalences 2014-11-06 15:57:29 -08:00
Jakob von Raumer
c50db9899d feat(library/hott) add thm: to give a section of a fibration it suffices to provide it for the image of an equivalence 2014-11-06 15:57:29 -08:00
Leonardo de Moura
781f709bb4 feat(library/logic): import wf.lean in logic/default.lean 
We will use well-founded recursion in the definitional package
 2014-11-06 15:03:13 -08:00
Leonardo de Moura
194247f75b refactor(library/logic/wf): minimize dependencies 2014-11-06 14:59:03 -08:00
Leonardo de Moura
b177c84b06 feat(library/logic): add well-founded recursion 
It also removes the old well-founded induction theorem based on
classical principles
 2014-11-06 14:49:53 -08:00
Leonardo de Moura
d306c42a1f refactor(library/logic): cleanup some of the proofs in cast.lean, remove piext axiom 
Remark: the main motivation for piext was Lean 0.1 simplifier.
We are using a different approach in Lean 0.2.
The axiom is not needed anymore.
It is also not used in any part of the standard library
 2014-11-05 16:43:31 -08:00
Jakob von Raumer
09b533a965 fix(library/hott) rename IsEquiv.ap to IsEquiv.ap_closed to avoid name clashes 2014-11-05 15:14:14 -08:00
Jakob von Raumer
02abc5c2ad chore(library/hott) fixed the copyright in equiv_precomp.lean 2014-11-05 15:14:14 -08:00
Jakob von Raumer
807224f3c1 chore(library/hott) cleaned up the proof a bit 2014-11-05 15:14:14 -08:00
Jakob von Raumer
2712b9b18f feat(library/hott) add theorem: if f is an equivalence, so is ap f 2014-11-05 15:14:14 -08:00
Jakob von Raumer
588ad210a2 feat(library/hott) add theorem: assuming function extensionality, precomposing and postcomposing of equivalences is an equivalence 2014-11-04 18:47:34 -08:00
Jakob von Raumer
efa33c5b52 chore(library/hott) move theorem about precomposition to its own file 2014-11-04 18:47:34 -08:00
Jakob von Raumer
0ed046ed80 fix(library/hott) fix funext.lean by making funext an instance 2014-11-04 18:47:34 -08:00
Leonardo de Moura
60eac0195d feat(frontends/lean/structure_cmd): generate projection over constructor theorems for structures 2014-11-04 09:10:25 -08:00
Leonardo de Moura
795f664964 fix(library/hott/funext): compilation error 2014-11-04 06:53:21 -08:00
Jakob von Raumer
261f8a014a feat(library/hott) use class inference for IsEquiv 2014-11-04 06:49:42 -08:00
Jakob von Raumer
479eabb416 feat(library/hott) add: if precompositions with f are equivalences, then f is 2014-11-04 06:49:42 -08:00
Leonardo de Moura
b24165dc7b feat(frontends/lean/structure_cmd): remove 'cases_on' for structures since it may confuse users, add 'destruct' as alternative name for 'rec_on' 2014-11-03 23:06:33 -08:00
Leonardo de Moura
d2b5af237e refactor(library): use new 'structure' command to define prod and sigma 2014-11-03 18:57:55 -08:00
Floris van Doorn
d8a616fa70 refactor(library): major changes in the library 
I made some major changes in the library. I wanted to wait with pushing
until I had finished the formalization of the slice functor, but for
some reason that is very hard to formalize, requiring a lot of casts and
manipulation of casts. So I've not finished that yet.

Changes:

- in multiple files make more use of variables

- move dependent congr_arg theorems to logic.cast and proof them using heq (which doesn't involve nested inductions and fewer casts).

- prove some more theorems involving heq, e.g. hcongr_arg3 (which do not
  require piext)

- in theorems where casts are used in the statement use eq.rec_on
  instead of eq.drec_on

- in category split basic into basic, functor and natural_transformation

- change the definition of functor to use fully bundled
categories. @avigad: this means that the file semisimplicial.lean will
also need changes (but I'm quite sure nothing major).  You want to
define the fully bundled category Delta, and use only fully bundled
categories (type and ᵒᵖ are notations for the fully bundled
Type_category and Opposite if you open namespace category.ops). If you
want I can make the changes.

- lots of minor changes
 2014-11-03 18:45:12 -08:00
Leonardo de Moura
ae9d11c9c4 refactor(library/data): rename prod_ext and dpair_ext to prod.eta and sigma.eta 
Reason: they will be generated automatically by definitional package.
 2014-11-03 08:29:05 -08:00
Leonardo de Moura
4bdee07af2 refactor(library/algebra/category/basic): use calc assistant 2014-10-31 09:49:45 -07:00
Leonardo de Moura
8d3e9fdc20 refactor(library/data/nat/basic): remove unnecessary {} 2014-10-31 09:49:45 -07:00
Leonardo de Moura
8a4d4409cd feat(frontends/lean/calc_proof_elaborator): add '{...⁻¹}' if needed in calc proofs, closes #268 
This commit also simplifies library/data/nat/basic.lean
 2014-10-31 01:02:49 -07:00
Leonardo de Moura
5f23179388 refactor(library/data/nat): remove unnecessary ! and eq.symm 
The calc command automatically adds them now.
 2014-10-30 23:28:35 -07:00
Leonardo de Moura
591e566472 feat(frontends/lean): try to inject symmetry (if needed) in calc proofs, add calc_symm command for configuring the symmetry theorem for a given operator 
This is part of #268
 2014-10-30 23:24:09 -07:00
Leonardo de Moura
09c6c05e26 chore(library/data/quotient): replace 'let' with 'have' and cleanup 2014-10-30 18:44:05 -07:00
Leonardo de Moura
407e35692b feat(frontends/lean/calc): wrap calc proofs with 'proof-qed' annotation to identify places where proof influences what is being proved 
Later, we will add a custom annotation and elaborator for calc proofs.
This is the first step for issue #268.

Remark: we don't wrap the proof if it is of the form

   - `by tactic`
   - `begin tactic-seq end`
   - `{ expr }`
 2014-10-30 18:33:47 -07:00
Leonardo de Moura
9547e2d077 feat(library/tactic): add rotate_left/rotate_right tactics, closes #278 2014-10-29 19:13:55 -07:00
Leonardo de Moura
e22eb3543c feat(library/tactic): add whnf tactic, closes #270 2014-10-28 23:18:49 -07:00
Leonardo de Moura
ea739100b3 fix(library/unifier): broken optimization in the unifier 
See new comments and tests for details.
 2014-10-28 16:09:41 -07:00
Leonardo de Moura
777aa63660 fix(kernel/inductive): relax eliminator generation rules for empty types 
This commit also removes the workaround false.rec_type. It is not needed anymore
 2014-10-28 10:31:00 -07:00
Leonardo de Moura
aafdbf57f0 fix(library/data/unit): missing file 2014-10-25 18:34:41 -07:00
Leonardo de Moura
c7f6a6b94e feat(library/definitional/cases_on): automatically add 'cases_on' 2014-10-25 17:22:02 -07:00
Leonardo de Moura
758a17ab23 refactor(library/data/unit): break unit.lean into smaller pieces 
The unit datatype is used by automation.

We want to be able to access its declaration without having to access
all dependencies (e.g., decidable, subsingleton, inhabited, ...).

This is *not* an optimization, but a way to make sure we can "import" unit
before we import other declarations.
 2014-10-25 14:57:33 -07:00
Jakob von Raumer
b575c972bd feat(library/hott) add the proof that the inverse of an equivalence is an equivalence 
This is done by changing the order of theorems and using the adjointification.
 2014-10-25 14:20:47 -07:00
Jakob von Raumer
e7aa5f65e7 fix(library/hott) close gaps and clean up adjointification proof 2014-10-25 14:16:24 -07:00
Jakob von Raumer
16a0e970f7 feat(library/hott) add adjointification proof up to two gaps 2014-10-25 14:16:24 -07:00
Leonardo de Moura
354b50a1f5 refactor(library/data/unit): make unit universe polymorphic 
Motivation: we need it for "padding".
Example 1: defining a n-ary tuple type.
Example 2: defining cases-on for mutually recursive datatypes
 2014-10-25 13:55:03 -07:00
Leonardo de Moura
cdcde661ef feat(library/definitional/induction_on): automatically add 'induction_on' 2014-10-25 13:37:04 -07:00
Leonardo de Moura
a7a06ab0f8 feat(library/definitional/rec_on): automatically generate rec_on function for inductive datatypes 2014-10-25 13:08:59 -07:00
Soonho Kong
51125c1577 fix(library/data/quotient/default.lean): remove classical 2014-10-24 07:41:29 -07:00
Leonardo de Moura
79d0347721 feat(library/tactic): add generalize tactic, closes #34 
Remark: the intros tactic has been added in a different commit: 7d0100a340
 2014-10-23 22:40:15 -07:00
Leonardo de Moura
e750c9b67a feat(frontends/lean): add 'info' tactic for producing PROOF_STATE info for emacs mode 2014-10-23 13:18:30 -07:00
Leonardo de Moura
00f9a10e82 refactor(library/tactic/unfold_tactic): use new 'tactic.expr' to implement 'unfold' tactic 
This change also enabled us to remove hacks used in the tests modified
by this commit.
 2014-10-23 10:26:19 -07:00
Leonardo de Moura
7c016191d2 chore(library/hott): add Jakob to list of authors 2014-10-22 22:28:21 -07:00
Jakob von Raumer
f182299459 fix(library/hott) fix funext.lean to match equivalence notation 2014-10-22 22:28:21 -07:00
Jakob von Raumer
abd5c574ad fix(library/hott) : convert to new path notations 
Convert definitions and proofs to new notations for inverse and cocatenation. Adapt to now right associative of concatenation.
 2014-10-22 22:28:14 -07:00
Jakob von Raumer
a169f791df feat(library/hott): add adjointification and closure properties for equivalences 
Port features from the Coq Hott library
 2014-10-22 22:22:08 -07:00
Leonardo de Moura
5a553603d1 fix(library/general_notation): mark \tr as left associative 2014-10-22 22:18:40 -07:00
Leonardo de Moura
3aec70b92c feat(library/tactic): elaborate 'exact' tactic argument at tactic execution time 2014-10-22 22:13:37 -07:00
Leonardo de Moura
c50227ea6e feat(library/tactic): change apply tactic semantics: goals are not reversed; and dependent arguments are not included 
This commit also adds the tactic rapply that corresponds to the previous
semantics we have been using.
 2014-10-22 18:11:09 -07:00
Leonardo de Moura
e95c7c5f70 refactor(library/tactic/rename_tactic): use new 'tactic.expr' to implement 'intro/intros' tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-10-22 17:29:50 -07:00
Leonardo de Moura
9a316092d1 refactor(library/tactic/rename_tactic): use new 'tactic.expr' to implement rename tactic 2014-10-22 17:29:50 -07:00
Leonardo de Moura
5e15ac0c92 feat(library/tactic): add new approach for embedding non-elaborated expressions into tactics 2014-10-22 17:29:50 -07:00
Leonardo de Moura
6b89080b1a feat(frontends/lean): do not allow user to define notation using tokens ! and @, closes #248 2014-10-21 16:28:36 -07:00
Leonardo de Moura
dea3357d7c refactor(library/hott/path): use HoTT book notation for path concatenation and inverse 2014-10-21 16:11:55 -07:00
Leonardo de Moura
e24225fabf feat(frontends/lean): validate infixl/infixr/postfix/prefix declarations against reserved notations 2014-10-21 15:39:47 -07:00
Leonardo de Moura
6c7e23ecaa refactor(library): use 'reserve' notation in the standard library 2014-10-21 15:39:47 -07:00
Leonardo de Moura
45df5cffd8 refactor(library/hott): remove unnecessary generalizations 2014-10-21 09:11:22 -07:00
Leonardo de Moura
2e9141b7e1 refactor(library): remove unnecessary :max hack in notation declarations 
This hack is not needed anymore.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-10-20 18:45:52 -07:00
Leonardo de Moura
40fb66bf07 feat(frontends/lean): change default precedence to 1 2014-10-20 18:40:55 -07:00
Leonardo de Moura
e68007a727 fix(frontends/lean/builtin_tactics): adjust tactics precedence 2014-10-20 17:10:16 -07:00
Leonardo de Moura
854e72e665 refactor(library/data/list): minimize dependencies and avoid 'sorry' warning 2014-10-20 15:32:42 -07:00
Leonardo de Moura
f63d47fef3 feat(frontends/lean/pp): support foldl/foldr notation in the pretty printer 2014-10-19 11:16:24 -07:00
Leonardo de Moura
85339c0cc1 fix(library/data/list/basic): mark :: as infixr 2014-10-19 08:58:52 -07:00
Leonardo de Moura
144150d47b fix(library/type): modify declaration order and make sure Type1, Type2 and Type3 notations have precedence over Type' during pretty printing 2014-10-18 15:15:44 -07:00
Leonardo de Moura
58c9421bab refactor(library/tactic): elaborate expressions nested in tactics with respect to current goal, save postponed constraints (e.g., flex-flex constraints) closes #44, fixes #70 2014-10-14 17:18:40 -07:00
Soonho Kong
ba24d01dd2 chore(library/Makefile): remove unused Makefile 2014-10-14 08:41:19 -07:00
Leonardo de Moura
4a9e725ca7 refactor(library/algebra/category/morphism): make sure bug #231 has been fixed 2014-10-13 20:56:40 -07:00
Leonardo de Moura
9edf780a00 feat(frontends/lean): elaborate inductive datatypes and introduction rules as a single elaboration problem 2014-10-13 18:35:11 -07:00
Leonardo de Moura
5c1d5133dd fix(library/data/prod): make the notation for tuples and product types consistent 2014-10-13 06:48:37 -07:00
Leonardo de Moura
a26618e0f2 feat(frontends/lean): add '[]' notation for marking arguments where class-instance resolution should be applied 2014-10-12 13:06:00 -07:00
Leonardo de Moura
f832212fc8 refactor(library/algebra/category): remove unnecessary sections 2014-10-11 16:40:26 -07:00
Floris van Doorn
c630b5ddb2 feat(library/algebra/category): use variables instead of parameters 2014-10-11 16:40:18 -07:00
Leonardo de Moura
d6d0593afb refactor(library): remove some unnecessary sections 2014-10-10 16:33:58 -07:00
Leonardo de Moura
a41850227a refactor(library/logic): use new K-like reduction to simplify some proofs 2014-10-10 14:52:21 -07:00
Leonardo de Moura
052bc6ff20 fix(frontends/lean/elaborator): better specific universe detection 2014-10-09 14:43:07 -07:00
Leonardo de Moura
8f1b6178a7 chore(*): minimize the use of parameters 2014-10-09 07:13:06 -07:00
Leonardo de Moura
f9e8503005 chore(library/algebra/category): add workaround 2014-10-09 00:05:37 -07:00
Leonardo de Moura
8c5d3392c7 fix(library/algebra/category): minor fixes to reflect recent changes, and fix tests 2014-10-08 23:44:09 -07:00
Floris van Doorn
0a58e3d1ae feat(algebra/category/): minor additions, start on adjunction 2014-10-08 23:14:44 -07:00
Floris van Doorn
57bee2a659 feat(binary.lean): add helper theorem for associative functions 2014-10-08 23:14:44 -07:00
Floris van Doorn
8d376b93cd feat(category): split category.lean in different files; add more constructions and theorems about isos 2014-10-08 23:14:44 -07:00
Floris van Doorn
ae3419f82f feat(library): add definition of subsingleton and some other minor changes 2014-10-08 23:14:44 -07:00