∀ (k G : Type u) [inst : CommRing k] [inst_1 : Group G] (n : ℕ) {X Y : Rep.{u, u, u} k G} (f : X ⟶ Y),
  (Rep.Tor k G n).map f = CategoryTheory.NatTrans.leftDerived ((Rep.coinvariantsTensor k G).map f) n