theorem Set.univ_subset_iff._simp_1
theorem Set.univ_subset_iff._simp_1: ∀ {α : Type u} {s : zpg9xh52.Set α}, Subset zpg9xh52.Set.univ s = (s = zpg9xh52.Set.univ)
theorem Set.univ_subset_iff._simp_1
theorem Set.univ_subset_iff._simp_1: ∀ {α : Type u} {s : zpg9xh52.Set α}, Subset zpg9xh52.Set.univ s = (s = zpg9xh52.Set.univ)