Commit graph

35 commits

Author SHA1 Message Date
Robert Rose
7ed3e47e09 Removing troublesome composition of group homomorphism in quotient_group 2017-06-07 12:02:09 -06:00
Floris van Doorn
ed7de51d02 move basic lemmas from the spectral repository to the main repository 2017-06-02 12:15:31 -04:00
Floris van Doorn
798a57e546 construct the derived couple for graded modules 2017-05-22 21:27:34 -04:00
Egbert Rijke
010e0e430b triangle commutes 2017-05-11 15:06:18 -04:00
Egbert Rijke
760af1af79 equality and isomorphisms of quotient groups 2017-05-11 15:00:30 -04:00
Egbert Rijke
ed00db374b Merge branch 'master' of https://github.com/cmu-phil/Spectral 2017-05-04 17:45:28 -04:00
Egbert Rijke
3ac3146c24 extensionally equal subgroups give equal quotient groups 2017-05-04 17:45:04 -04:00
Floris van Doorn
daedc1dc48 continue convergence theorem 2017-05-03 23:41:24 -04:00
Egbert Rijke
44d32281fb trying to show that quotient groups of logically equivalent subgroups are isomorphic 2017-04-27 18:07:58 -04:00
Floris van Doorn
bb209af2e8 continue with derived couple of graded R-modules, almost finish defining the maps 2017-04-20 22:58:33 -04:00
Floris van Doorn
ec376b407e move stuff about subgroups to subgroup 2017-04-20 14:42:54 -04:00
Floris van Doorn
5bb2c7859d checkpoint for direct sum of graded modules 2017-04-10 20:34:49 -04:00
Egbert Rijke
7e8f183133 quotient_extend_unique_SES 2017-03-02 17:11:06 -05:00
Egbert Rijke
159ea323ab SES_hom extension lemma 2017-02-16 22:26:06 -05:00
Steve Awodey
92a4b95302 abgrpkernelquotientstuff 2017-02-10 12:07:48 -05:00
Floris van Doorn
c0b7740f13 order of arguments in group.mk has changed 2017-02-02 17:16:14 -05:00
Egbert Rijke
2d995b0347 short exact sequences 2017-01-26 17:44:22 -05:00
Steve Awodey
b4bdf3a77e image group 2017-01-26 16:55:07 -05:00
Steve Awodey
c09f568992 trivial 2017-01-26 14:58:24 -05:00
Floris van Doorn
00e01fd2a6 feat(homotopy): prove adjunction between smash product and pointed maps
also develop library for equality reasoning on pointed homotopies.
Also do the renamings like homomorphism -> is_mul_hom
2017-01-18 23:19:06 +01:00
Steve Awodey
c814534104 First Isomorphism Theorem for AbGroups
with prelim.s
2016-12-08 16:20:14 -05:00
Egbert Rijke
8d586d587b finished some lemma 2016-12-08 14:16:40 -05:00
Egbert Rijke
4ea75446ba noethers homomorphism theorem 2016-12-02 14:05:20 -05:00
Steve Awodey
bffab663bb messy quotient groups
wip
2016-12-01 16:34:01 -05:00
Floris van Doorn
b08457c77f move things to the Lean library, and update after changes in the Lean library 2016-11-24 00:11:55 -05:00
Floris van Doorn
8e366e08c3 Finish the universal property of the direct sum 2016-11-23 23:54:32 -05:00
Steve Awodey
6be1b46d5e WIP first group isomorphism them 2016-11-17 16:25:14 -05:00
Floris van Doorn
9df0b25ae5 some additions to the smash product and direct sums 2016-11-14 14:44:29 -05:00
Steve Awodey
e87c235e24 WIP on exact couple and basic group theory 2016-11-10 16:49:09 -05:00
Steve Awodey
e4c5d34d10 wip
wip
2016-11-10 16:25:34 -05:00
Steve Awodey
1fcb41a4e7 wip
quotient homomorphism
2016-11-10 15:40:41 -05:00
Egbert Rijke
c7ccd0d43b comm_gq_map 2016-11-10 15:40:12 -05:00
Steve Awodey
627b2acfe3 finished UMP of the quotient 2016-11-03 15:12:53 -04:00
Floris van Doorn
29bf3bdd8e clean-up in imports/opens of the files in the algebra folder 2016-10-13 16:02:04 -04:00
Egbert Rijke
038bbb8be3 split group_constructions into several files 2016-10-13 15:04:57 -04:00