{α : Type u_5} →
  [inst : Preorder α] →
    {motive : IsStronglyAtomic α → Sort u} →
      (t : IsStronglyAtomic α) →
        ((exists_covBy_le_of_lt : ∀ (a b : α), a < b → ∃ x, a ⋖ x ∧ x ≤ b) → motive ⋯) → motive t