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Category Theory

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a place to discuss category theory, both applied and theoretical, and any other related things | part of the +mathematics:matrix.org community6 Servers

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21 Sep 2019
@joel135:matrix.org@joel135:matrix.org set a profile picture.12:50:41
@jmoeller:matrix.orgJoe Moeller I've never read that one, just flipped through it for a reference. 15:51:17
@jmoeller:matrix.orgJoe Moeller I've read some of Categories, Allegories 15:51:51
@jmoeller:matrix.orgJoe MoellerI like his writing style.15:52:03
@joel135:matrix.org@joel135:matrix.org I remember starting to read Categories, Allegories maybe one or two years ago, maybe I should read some more of that one instead. I didn't know it was written by Freyd. 15:53:56
@joel135:matrix.org@joel135:matrix.org Things about relations are probably relevant to me. 15:54:50
@thosgood:matrix.orgTim
In reply to @jmoeller:matrix.org
I've read some of Categories, Allegories
interesting title, what’s it about?
15:57:00
@joel135:matrix.org@joel135:matrix.org [[sets,categories],[relations,allegories]] - that's as much as I know 15:58:57
@joel135:matrix.org@joel135:matrix.org * [[sets & functions,categories],[sets & relations,allegories]] - that's as much as I know15:59:36
@jmoeller:matrix.orgJoe Moeller https://ncatlab.org/nlab/show/Categories%2C+Allegories 16:00:43
@jmoeller:matrix.orgJoe MoellerThe nlab article says it better than I could16:00:59
@thosgood:matrix.orgTimhuh, sounds really interesting16:01:39
25 Sep 2019
@tokopolopolo:matrix.orgtokopolopolo joined the room.16:41:37
26 Sep 2019
@tokopolopolo:matrix.orgtokopolopoloWish I knew math.02:17:08
@oliviabw:matrix.orgoliviabwMood02:17:18
@tokopolopolo:matrix.orgtokopolopoloProblem is, I get all in, then I get all out.02:19:37
@oliviabw:matrix.orgoliviabw Ah yes the hokey pokey problem 02:19:52
@tokopolopolo:matrix.orgtokopolopoloIs the solution to this problem decidable?02:20:50
@thosgood:matrix.orgTimif it is i'd love to hear it too!02:21:04
@oliviabw:matrix.orgoliviabwI think you gotta shake it all about02:21:30
@thosgood:matrix.orgTimmy "solution" is to make sure that i write down things in as much detail as possible the moment i think i understand them02:21:32
@thosgood:matrix.orgTimso that when i later forget, at least i have proof that i once knew it, and can try to learn from that02:21:51
@oliviabw:matrix.orgoliviabwI make notes in less detail of everything I feel like I’ve understood02:22:19
@tokopolopolo:matrix.orgtokopolopoloLearned that the hard way02:22:23
@jlorand:matrix.orgjonathan set a profile picture.12:03:22
28 Sep 2019
@joel135:matrix.org@joel135:matrix.org Are there any examples of functors whose domain has adjoints for morphisms? 10:32:45
29 Sep 2019
@hansbauer:matrix.org@hansbauer:matrix.org left the room.03:58:59
30 Sep 2019
@hoxtrop:matrix.org@hoxtrop:matrix.org joined the room.19:17:06
2 Oct 2019
@appservice-irc:matrix.org@appservice-irc:matrix.orgchanged room power levels.11:21:27
@appservice-irc:matrix.org@appservice-irc:matrix.orgchanged room power levels.11:21:27

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