∀ {α : Sort u} {p : α → Prop} {val : α} {property : p val} {α_1 : Sort u} {p_1 : α_1 → Prop} {val_1 : α_1}
  {property_1 : p_1 val_1}, α = α_1 → p ≍ p_1 → ⟨val, property⟩ ≍ ⟨val_1, property_1⟩ → α = α_1 ∧ p ≍ p_1 ∧ val ≍ val_1