simp at a1
Δ : List Formula
F phi : Formula
D : Type
I : Interpretation D
V : VarAssignment D
E : Env
a1 : ∀ H ∈ [phi], Holds D I V E H
⊢ Holds D I V E phi
Δ : List Formula
F phi : Formula
D : Type
I : Interpretation D
V : VarAssignment D
E : Env
a1 : Holds D I V E phi
⊢ Holds D I V E phi