simp [andN] at h
l : List Prop
h₁ h₂ : Prop
t : List Prop
h : andN (h₁ :: h₂ :: t)
⊢ ¬(¬h₁ ∨ orN ((¬h₂) :: map Not t))
l : List Prop
h₁ h₂ : Prop
t : List Prop
h : h₁ ∧ andN (h₂ :: t)
⊢ ¬(¬h₁ ∨ orN ((¬h₂) :: map Not t))