simp_all
case zero
α : Type u_1
inst✝⁴ : DecidableEq α
inst✝³ : Inhabited α
L : DeductionParameter α
inst✝² : L.Normal
inst✝¹ : Minimal L
inst✝ : Inhabited (MCT L)
Ω₁ Ω₂ : (CanonicalFrame L).World
⊢ Ω₁ ≺^[0] Ω₂ ↔ ∀ {p : Formula α}, □^[0]p ∈ Ω₁.theory → p ∈ Ω₂.theory
case zero
α : Type u_1
inst✝⁴ : DecidableEq α
inst✝³ : Inhabited α
L : DeductionParameter α
inst✝² : L.Normal
inst✝¹ : Minimal L
inst✝ : Inhabited (MCT L)
Ω₁ Ω₂ : (CanonicalFrame L).World
⊢ Ω₁ = Ω₂ ↔ ∀ {p : Formula α}, p ∈ Ω₁.theory → p ∈ Ω₂.theory