exact hi h
case mk.e_a.mk
K : Type u_1
inst✝ : Field K
pb : PowerBasis ℤ (𝓞 K)
x : 𝓞 K
H :
  (pb.basis.repr x) ⟨0, ⋯⟩ • (fun i => pb.gen ^ ↑i) ⟨0, ⋯⟩ +
      ∑ x_1 ∈ univ.erase ⟨0, ⋯⟩, (pb.basis.repr x) x_1 • (fun i => pb.gen ^ ↑i) x_1 =
    x
i₁ : ℕ
hi₁ : i₁ < pb.dim
h : i₁ = 0
hi : ¬i₁ = 0
⊢ False
no goals