Zulip Chat Archive

Stream: Is there code for X?

Topic: Sections of sheaf over empty set


Christian Merten (Jul 01 2024 at 23:29):

This must be somewhere

example {X : TopCat} (F : X.Sheaf CommRingCat) :
    Subsingleton (F.presheaf.obj (op )) :=
  sorry

but I can't find it.

Christian Merten (Jul 01 2024 at 23:33):

I found it. Its:

example {X : TopCat} (F : X.Sheaf CommRingCat) : Subsingleton (F.presheaf.obj (op )) :=
  CommRingCat.subsingleton_of_isTerminal F.isTerminalOfEmpty

Last updated: May 02 2025 at 03:31 UTC