exact ⟨~p₁, by simp, p₂, by simp⟩
case mpr.intro.intro.intro.intro
L : Language
L₁ : Language
L₂ : Language
L₃ : Language
ξ : Type u_1
ξ₁ : Type u_2
ξ₂ : Type u_3
ξ₃ : Type u_4
n n₁ n₂✝ n₂ m m₁ m₂ m₃ : ℕ
ω : Rew L ξ₁ n₁ ξ₂ n₂
p₁ p₂ : Semiformula L ξ₁ n₁
⊢ ∃ p₁_1, ω.hom p₁_1 = ~ω.hom p₁ ∧ ∃ x, ω.hom x = ω.hom p₂ ∧ ~p₁ ⋎ p₂ = p₁_1 ⋎ x
no goals