case right =>
  have l₁ : ∀p : inst.primes, t ≤ p → p ⊨ g := by
    intros p h₂
    exact (h₁ p h₂).right
  exact primeDetermination l₁
α : Type
inst : Model α
t : α
f✝ f g : Form
h₁ : ∀ (p : Model.primes), t ≤ ↑p → p⊨f&g
⊢ t⊨g
no goals