Zulip Chat Archive
Stream: Is there code for X?
Topic: not singleton
Alex Kontorovich (Aug 15 2023 at 12:41):
Does something like this already exist? (To say that a type has at least two distinct elements?)
structure NotSingleton (α : Type _) : Prop where
not_singleton : ∃ x y : α, x ≠ y
Jireh Loreaux (Aug 15 2023 at 12:43):
Last updated: May 02 2025 at 03:31 UTC