match Fin.exists_eq_true_of_any_eq_true h with
| ⟨i, h⟩ => exists (Finite.get α i)
α✝ : Type ?u.2597
inst : Finite α✝
α : Type u_1
inst✝ : Finite α
p : α → Bool
h : Finite.any p = true
⊢ ∃ x, p x = true
no goals