case eq_1_ v =>
  intro D I V E _
  simp only [Holds]
Δ : List Formula
F : Formula
v : VarName
⊢ ∀ (D : Type) (I : Interpretation D) (V : VarAssignment D) (E : Env),
    (∀ H ∈ [], Holds D I V E H) → Holds D I V E (eq_ v v)
no goals