6 commits

Author	SHA1	Message	Date
Egbert Rijke	81e6c07f23	progress on derived exact couples	2016-11-03 16:42:12 -04:00
Egbert Rijke	b57eadc56a	image of a boundary is subgroup of the kernel	2016-10-27 15:52:47 -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
Ulrik Buchholtz	f826a7a711	complete is_full_subgroup	2016-09-15 15:06:54 -04:00
Ulrik Buchholtz	22d8fad087	complete is_trivial_subgroup	2016-09-15 15:04:20 -04:00
Floris van Doorn	17d76bdb31	rename group_basics to subgroup	2016-09-14 17:31:52 -04:00

Renamed from algebra/group_basics.hlean (Browse further)