Commit graph

11 commits

Author SHA1 Message Date
Floris van Doorn
18ee7ce410 redefine direct_sum to use multiplicative groups 2017-06-07 01:01:19 -04:00
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
aefc8eccc1 define submodules, quotient modules and homology of module morphisms 2017-04-13 20:39:04 -04:00
Floris van Doorn
93126a9c2b checkpoint, submodules 2017-04-13 14:54:48 -04:00
Floris van Doorn
d828120216 checkpoint, additive homs 2017-04-13 14:51:43 -04:00
Floris van Doorn
5bb2c7859d checkpoint for direct sum of graded modules 2017-04-10 20:34:49 -04:00
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
Floris van Doorn
9df0b25ae5 some additions to the smash product and direct sums 2016-11-14 14:44:29 -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