Egbert Rijke
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d3cba4b95d
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simplifty the trivial subgroup
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2016-12-01 15:43:05 -05:00 |
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Egbert Rijke
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de641aac71
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fix
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2016-12-01 14:41:36 -05:00 |
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Egbert Rijke
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c0a6e581e6
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Merge branch 'master' of https://github.com/cmu-phil/Spectral
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2016-12-01 14:39:23 -05:00 |
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Egbert Rijke
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652ef70739
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some work, I guess
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2016-12-01 14:39:10 -05:00 |
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Floris van Doorn
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b08457c77f
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move things to the Lean library, and update after changes in the Lean library
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2016-11-24 00:11:55 -05:00 |
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Floris van Doorn
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8e366e08c3
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Finish the universal property of the direct sum
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2016-11-23 23:54:32 -05:00 |
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Steve Awodey
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6be1b46d5e
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WIP first group isomorphism them
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2016-11-17 16:25:14 -05:00 |
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Floris van Doorn
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9df0b25ae5
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some additions to the smash product and direct sums
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2016-11-14 14:44:29 -05:00 |
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Steve Awodey
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e87c235e24
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WIP on exact couple and basic group theory
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2016-11-10 16:49:09 -05:00 |
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Steve Awodey
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e4c5d34d10
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wip
wip
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2016-11-10 16:25:34 -05:00 |
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Egbert Rijke
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f0d595205c
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Merge branch 'master' of https://github.com/cmu-phil/Spectral
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2016-11-10 16:25:11 -05:00 |
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Egbert Rijke
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ec6c4d8339
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image_incl_eq_one
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2016-11-10 16:25:00 -05:00 |
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Steve Awodey
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1fcb41a4e7
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wip
quotient homomorphism
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2016-11-10 15:40:41 -05:00 |
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Egbert Rijke
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c7ccd0d43b
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comm_gq_map
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2016-11-10 15:40:12 -05:00 |
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Egbert Rijke
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7ab6eafc3c
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image of an abelian group is abelian
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2016-11-03 23:30:44 -04:00 |
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Egbert Rijke
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699531a74c
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Merge branch 'master' of https://github.com/cmu-phil/Spectral
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2016-11-03 16:42:22 -04:00 |
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Egbert Rijke
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81e6c07f23
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progress on derived exact couples
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2016-11-03 16:42:12 -04:00 |
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Floris van Doorn
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704717e9ae
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minor changes
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2016-11-03 15:34:06 -04:00 |
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Steve Awodey
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627b2acfe3
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finished UMP of the quotient
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2016-11-03 15:12:53 -04:00 |
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Egbert Rijke
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b57eadc56a
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image of a boundary is subgroup of the kernel
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2016-10-27 15:52:47 -04:00 |
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Egbert Rijke
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1b09aee650
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initiating exact couples
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2016-10-20 16:23:55 -04:00 |
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Floris van Doorn
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29bf3bdd8e
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clean-up in imports/opens of the files in the algebra folder
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2016-10-13 16:02:04 -04:00 |
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Floris van Doorn
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0a15d184b2
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cohomology: define cohomology as abelian groups and define the functorial action
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2016-10-13 15:49:17 -04:00 |
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Egbert Rijke
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038bbb8be3
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split group_constructions into several files
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2016-10-13 15:04:57 -04:00 |
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Floris van Doorn
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d8c694e113
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update after changes in the HoTT library. Mostly some naming and notation changes
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2016-09-23 17:16:25 -04:00 |
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Egbert Rijke
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580298d2c7
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Merge branch 'master' of https://github.com/cmu-phil/Spectral
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2016-09-16 02:04:08 -04:00 |
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Egbert Rijke
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392590bec8
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working with Ulrik on basic group theory
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2016-09-16 02:03:58 -04:00 |
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Floris van Doorn
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683a515178
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progress on LES of spectrum maps
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2016-09-15 17:57:33 -04:00 |
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Ulrik Buchholtz
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f826a7a711
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complete is_full_subgroup
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2016-09-15 15:06:54 -04:00 |
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Ulrik Buchholtz
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22d8fad087
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complete is_trivial_subgroup
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2016-09-15 15:04:20 -04:00 |
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Floris van Doorn
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2bf316e347
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add the universal property of quotient as exercises
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2016-09-14 17:31:52 -04:00 |
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Floris van Doorn
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17d76bdb31
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rename group_basics to subgroup
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2016-09-14 17:31:52 -04:00 |
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Floris van Doorn
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d2f95f344f
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some small changes, move aut to group_constructions
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2016-09-14 17:11:44 -04:00 |
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Floris van Doorn
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65e6e062be
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let group_constructions import group_basics
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2016-09-14 17:07:09 -04:00 |
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Ulrik Buchholtz
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aeec8cae85
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full_subgroup
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2016-09-08 15:02:28 -04:00 |
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Ulrik Buchholtz
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af0b342de8
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group_basics fixes
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2016-09-08 14:58:51 -04:00 |
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Egbert Rijke
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01f90ef944
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small comment
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2016-09-08 14:28:52 -04:00 |
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Egbert Rijke
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b1dfa3ad7b
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defined the full subgoup in group_basic.hlean
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2016-09-08 14:27:51 -04:00 |
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Egbert Rijke
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b470ea7dcd
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definition of trivial group in group_basic.hlean
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2016-09-08 14:00:23 -04:00 |
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Egbert Rijke
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d9648cd2b7
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trying to split the file of group constructions into a part that's not about any constructions, and a part that is. The file became huge
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2016-09-08 11:32:36 -04:00 |
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Egbert Rijke
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ff99c2113a
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kernels were already defined later. I moved them
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2016-09-07 23:05:49 -04:00 |
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Egbert Rijke
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9f4436d505
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some comments on the file on group_constructions
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2016-09-07 22:43:50 -04:00 |
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Egbert Rijke
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4524af4ddc
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image of homomorphism is subgroup
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2016-05-12 16:57:33 -04:00 |
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Floris van Doorn
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ba7b25d00f
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move files to the HoTT library and update after changes in the HoTT library
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2016-04-25 19:51:17 -04:00 |
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Egbert Rijke
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960e7075bd
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initiating graded.hlean
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2016-03-24 14:24:47 -04:00 |
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Egbert Rijke
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0b1fbbe3e1
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initiating algebra folder
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2016-03-24 14:19:06 -04:00 |
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