simp
case h2
D : Type
I : Interpretation D
V : VarAssignment D
E : Env
c : Char
τ : PredName → ℕ → Option (List VarName × Formula)
F : Formula
⊢ ∀ x ∈ F.predVarSet.biUnion (predVarFreeVarSet τ), V x = V x
no goals