theorem Set.eq_univ_iff_foralltheorem Set.eq_univ_iff_forall: ∀ {α : Type u} {s : Set α}, s = univ ↔ ∀ (x : α), x ∈ s
Published by @sam · Jul 21, 2026
View source in zpg9xh52
zpg9xh52
Definitional, with no premises to accept.
Set.eq_univ_iff_forall
definitional fact