apply Semantics.realizeSet_iff.mpr
α : Type u_1
inst✝³ : DecidableEq α
inst✝² : Inhabited α
L : DeductionParameter α
inst✝¹ : L.Normal
inst✝ : Inhabited (MCT L)
⊢ CanonicalModel L ⊧* Ax(L)
α : Type u_1
inst✝³ : DecidableEq α
inst✝² : Inhabited α
L : DeductionParameter α
inst✝¹ : L.Normal
inst✝ : Inhabited (MCT L)
⊢ ∀ ⦃f : Formula α⦄, f ∈ Ax(L) → CanonicalModel L ⊧ f