Commit graph

12 commits

Author SHA1 Message Date
Ulrik Buchholtz
0c4baacfcc fix free_abelian_group and direct_sum 2018-11-02 13:39:40 +01:00
Ulrik Buchholtz
8f998637b5 factor free group on set via free group on pointed set 2018-10-23 13:30:26 +02:00
Floris van Doorn
68345f75ce move more and update after changes 2018-09-11 19:24:51 +02:00
Floris van Doorn
ec5b9dba12 more on decidable free group 2018-06-06 16:40:41 -04:00
Floris van Doorn
12f23c0dbe the free group on a decidable set eliminates to any InfGroup
Also develop more group theory for InfGroups
2018-03-25 16:51:23 -04:00
Floris van Doorn
aa191493e9 give alternative definition of free group on a set with decidable equality 2018-01-17 19:18:13 -05:00
Floris van Doorn
c19c885de3 fix [unfold] index 2017-06-07 09:40:46 -06:00
Floris van Doorn
984d564cc6 unbundle set in direct_sum 2017-06-07 11:30:09 -04:00
Floris van Doorn
c0b7740f13 order of arguments in group.mk has changed 2017-02-02 17:16:14 -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
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