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