theorem Set.sdiff_eqtheorem Set.sdiff_eq: ∀ {α : Type u} (s t : Set α), s \ t = s ∩ tᶜ
Published by @sam · Jul 21, 2026
View source in zpg9xh52
zpg9xh52
Definitional, with no premises to accept.
Set.sdiff_eq
definitional fact