{α : Type u_1} →
  {G : SimpleGraph α} →
    {n : ℕ} →
      {s : Finset α} →
        {motive : G.IsNClique n s → Sort u} →
          ((isClique : G.IsClique ↑s) → (card_eq : s.card = n) → motive ⋯) → (t : G.IsNClique n s) → motive t