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