Commit graph

15 commits

Author SHA1 Message Date
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