Frederik Hanghøj Iversen
d1981ec0fa
Update CHANGELOG and remove --allow-unsolved-metas pragma
2018-05-08 18:35:22 +02:00
Frederik Hanghøj Iversen
0db4e97511
Do not use wishlist
2018-05-07 14:39:50 +02:00
Frederik Hanghøj Iversen
aa52bc8f07
Move lemmas about equivalences to that module
2018-04-23 17:04:27 +02:00
Frederik Hanghøj Iversen
313c7593d1
Distinguish isomorphism of categories and of types
2018-04-19 12:23:12 +02:00
Frederik Hanghøj Iversen
98b90f2370
Clean-up names a bit
2018-04-13 15:35:56 +02:00
Frederik Hanghøj Iversen
1c963db7e6
Make AreInveres an alias for \Sigma
2018-04-11 13:53:33 +02:00
Frederik Hanghøj Iversen
e6a2e3a0f0
Reduce applications of symmetry
2018-04-11 13:18:34 +02:00
Frederik Hanghøj Iversen
770bce52a2
Use 3rd formulation of univalence
2018-04-11 12:54:22 +02:00
Frederik Hanghøj Iversen
c23c2716a5
Move lemma to equivalence-module
2018-04-11 12:27:33 +02:00
Frederik Hanghøj Iversen
db5fb3603a
Banish qualified import of Function - use \o for fun-comp!
2018-04-11 11:12:09 +02:00
Frederik Hanghøj Iversen
c90b064bb0
Rename \o to <<<
2018-04-11 10:58:50 +02:00
Frederik Hanghøj Iversen
69689e7b2a
Use a single version of \simeq
2018-04-06 18:27:24 +02:00
Frederik Hanghøj Iversen
6c5b68a8ac
Add notion of pre-category
2018-04-05 14:39:54 +02:00
Frederik Hanghøj Iversen
8276deb4aa
Rename proj. to fst and snd
2018-04-05 10:41:56 +02:00
Frederik Hanghøj Iversen
d78965d73f
Try to use lemma for proving univalence of product-category thing
2018-04-04 17:45:36 +02:00
Frederik Hanghøj Iversen
1c6d9ad2b5
Rename identity in category to ascii-name
2018-04-03 11:36:09 +02:00
Frederik Hanghøj Iversen
facd1167e0
Fix unique existential
2018-03-27 14:18:13 +02:00
Frederik Hanghøj Iversen
ac01b786a7
Cleanup
2018-03-22 14:27:16 +01:00
Frederik Hanghøj Iversen
ebcab2528e
Prove second inverse law for from/to-isomorphism
2018-03-22 13:49:53 +01:00
Frederik Hanghøj Iversen
d816ba657b
QED! Show that the category of homotopic sets are univalent.
2018-03-22 12:11:27 +01:00
Frederik Hanghøj Iversen
52ca0b6732
Merge remote-tracking branch 'Saizan/dev' into dev
2018-03-22 11:54:22 +01:00
Frederik Hanghøj Iversen
d12122ce60
Add another approach for univalence in Set
2018-03-22 11:50:07 +01:00
Andrea Vezzosi
66ab7138a6
generalized lem3 and made progress for Sets univalence
2018-03-22 10:41:38 +00:00
Frederik Hanghøj Iversen
807a0f3dcd
Slight readability improvement
2018-03-21 18:05:25 +01:00
Frederik Hanghøj Iversen
181edc0cd5
Prove step 3 in proof of unvivalence for hSet without `ua`
2018-03-21 17:52:32 +01:00
Frederik Hanghøj Iversen
8f67ff9f36
Use explicit parameter for hSet
2018-03-21 15:01:31 +01:00
Frederik Hanghøj Iversen
ae0ff092f8
Use prelude everywhere
2018-03-21 14:56:43 +01:00
Frederik Hanghøj Iversen
183906dc8c
Define and use custom prelude
2018-03-21 14:39:56 +01:00
Frederik Hanghøj Iversen
084befbbc6
Merge remote-tracking branch 'Saizan/dev' into dev
...
From Andrea:
The problem with "h" there is that ve-re is building a square, "(qq0 j
, h)" is a fine element of the sigma type, but it does not really
connect "(g ∘ f) e" to "e" across dimension "i", in particular it does
not reduce to "e" when "i" is "i1".
2018-03-21 13:31:28 +01:00
Andrea Vezzosi
ed3b3047e6
Progress on univalence for sets.
2018-03-21 12:00:47 +00:00
Frederik Hanghøj Iversen
890154a81d
Simplify qualified imports, change make-target: clean
2018-03-21 12:28:26 +01:00
Frederik Hanghøj Iversen
4beb48e066
Use correct order for left- and right identity
...
Define and use helpers left- and right identity
2018-03-21 11:58:50 +01:00
Frederik Hanghøj Iversen
31257a4d97
Do not export helpers in `Fun`
2018-03-21 11:58:50 +01:00
Frederik Hanghøj Iversen
811a6bf58e
Make univalence a submodule of RawCategory
2018-03-21 11:58:23 +01:00
Frederik Hanghøj Iversen
b03bfb0c77
Restructure in free monad
2018-03-20 14:58:27 +01:00
Frederik Hanghøj Iversen
66cb5b363d
[WIP] Finnish all intermediate steps for univalence of hSets
2018-03-20 13:26:40 +01:00
Frederik Hanghøj Iversen
2188e690a0
Prove identity law for coercions.
2018-03-20 12:12:09 +01:00
Frederik Hanghøj Iversen
30725d71b6
[WIP] Scary goal
2018-03-20 11:58:54 +01:00
Frederik Hanghøj Iversen
32d1833d51
[WIP] A long way towards proving univalence in the category of hSets
2018-03-20 11:27:04 +01:00
Frederik Hanghøj Iversen
43563d1ad9
[WIP] Univalence for category of homotopy sets
2018-03-19 16:27:03 +01:00
Frederik Hanghøj Iversen
2058154c65
Helpers to work with isomorphisms and equivalences
2018-03-19 15:15:03 +01:00
Frederik Hanghøj Iversen
f69ab0ee62
[WIP] Univalence for the category of hSets
2018-03-19 14:08:59 +01:00
Frederik Hanghøj Iversen
438978973d
Construct isomorphism from equivalence
...
Using this somewhat round-about way of constructing an isomorphism from
an equivalence has made typechecking slower in some situations.
E.g. if you're constructing an equivalence from gradLemma and later use
that constructed equivalence to recover the isomorphism, then you
might as well have kept using those functions.
2018-03-15 12:33:00 +01:00
Frederik Hanghøj Iversen
091e77b583
Rename IsProduct.isProduct to IsProduct.ump
...
[WIP]: Also some stuff about propositionality for products.
2018-03-14 10:23:23 +01:00
Frederik Hanghøj Iversen
35390c02d3
Stuff about univalence in the category of sets
2018-03-12 13:38:48 +01:00
Frederik Hanghøj Iversen
acb5ff4f2b
Closer to showing univalence for the category of sets
2018-03-08 14:44:23 +01:00
Frederik Hanghøj Iversen
5ad506a09f
Rename func* and func-> to omap and fmap respectively
2018-03-08 11:03:56 +01:00
Frederik Hanghøj Iversen
63b5f5c68d
Use long name for product object
2018-03-08 10:46:28 +01:00
Frederik Hanghøj Iversen
4e7b350188
Factor out objects
2018-03-08 10:28:05 +01:00
Frederik Hanghøj Iversen
faf4c54188
Make parameters explicit
2018-03-08 10:22:21 +01:00