dsimp [Axioms.Ver, VerTranslation, toPropFormula]
case mp.hMaxm.inr.intro
α : Type u_1
inst✝ : DecidableEq α
p w✝ : Formula α
h : 𝐕𝐞𝐫 ⊢! Axioms.Ver w✝
⊢ 𝐂𝐥 ⊢! (Axioms.Ver w✝ⱽᴾ) ⋯
case mp.hMaxm.inr.intro
α : Type u_1
inst✝ : DecidableEq α
p w✝ : Formula α
h : 𝐕𝐞𝐫 ⊢! Axioms.Ver w✝
⊢ 𝐂𝐥 ⊢! ⊤