tauto
Δ : List Formula
F phi psi chi : Formula
D : Type
I : Interpretation D
V : VarAssignment D
E : Env
a✝ : ∀ H ∈ [], Holds D I V E H
⊢ (Holds D I V E phi → Holds D I V E psi → Holds D I V E chi) →
    (Holds D I V E phi → Holds D I V E psi) → Holds D I V E phi → Holds D I V E chi
no goals