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Some results about path-cosplit maps #1167

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merged 31 commits into from
Nov 5, 2024

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fredrik-bakke
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@fredrik-bakke fredrik-bakke commented Aug 23, 2024

  • When the domain is $n+r+2$-truncated the type of $n$-path-cosplittings is $r$-truncated
  • When the domain is $n+1$-truncated $n$-path-cosplittings are unique
  • When the domain is $n$-truncated there are unique $n$-path-cosplittings
  • path-cosplittings are closed under path-cosplit morphisms of arrows
  • path-cosplittings are closed under equivalences of arrows
  • path-cosplittings are closed under homotopies
  • 3-for-2 of path-cosplittings
  • products of path-cosplittings
  • total space path-cosplittings
  • dependent products of path-coplittings
  • coproducts of path-cosplittings

fredrik-bakke and others added 11 commits August 22, 2024 00:20
So uhh, I felt a little inspired while reading Chris Grossack's blog
post on [Finiteness in Sheaf
Topoi](https://grossack.site/2024/08/19/finiteness-in-sheaf-topoi) this
evening, and decided to have a look around and see if I could add any
small definitions or external links to the library. Then things kind of
derailed when I stumbled upon our file on pi-finite types. Turns out
this file entangled three concepts (pi-finite types, locally finite
types, and types with finite connected components). So I, uh...,
unentangled it! 😬 I hope I'm not stepping on your toes, @EgbertRijke, I
really did not intend to.
@fredrik-bakke fredrik-bakke marked this pull request as ready for review August 24, 2024 16:48
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This PR is pretty much flawless apart from one small duplication. Well done!

@fredrik-bakke fredrik-bakke enabled auto-merge (squash) November 5, 2024 16:31
@fredrik-bakke fredrik-bakke merged commit 4fd43e9 into UniMath:master Nov 5, 2024
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@fredrik-bakke fredrik-bakke deleted the path-cosplit-maps-2 branch November 5, 2024 16:59
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3 participants