exact ⟨p₁, rfl, p₂, rfl, rfl⟩
case mp.intro.intro.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 + 1)
⊢ ∃ p₁_1, ω.q.hom p₁_1 = ω.q.hom p₁ ∧ ∃ x, ω.q.hom x = ω.q.hom p₂ ∧ ∀' (p₁ ⟶ p₂) = ∀' (p₁_1 ⟶ x)
no goals