Theorem: LO.Propositional.Superintuitionistic.Kripke.iff_definability_memAxiomSetFrameClass (Logic/Propositional/Superintuitionistic/Kripke/Semantics.lean)

State before:
α : Type u_1
inst✝ : Inhabited α
Ax : AxiomSet α
P : FrameProperty
definability : Definability Ax P
⊢ ∀ {F : Frame' α}, F ∈ 𝔽(Ax) ↔ P F
Tactic:
apply Definability.defines
State after:
no goals