Documentation

Foundation.Modal.PLoN.Completeness

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      theorem LO.Modal.PLoN.truthlemma {α : Type u} [DecidableEq α] {Λ : LO.Modal.Hilbert α} [Nonempty (LO.Modal.MCT Λ)] [Λ.HasNecessitation] {p : LO.Modal.Formula α} {Ω : (LO.Modal.PLoN.CanonicalModel Λ).World} :
      Ω p p Ω.theory
      theorem LO.Modal.PLoN.complete_of_mem_canonicalFrame {α : Type u} [DecidableEq α] {Λ : LO.Modal.Hilbert α} [Nonempty (LO.Modal.MCT Λ)] [Λ.HasNecessitation] {p : LO.Modal.Formula α} {𝔽 : LO.Modal.PLoN.FrameClass α} (hFC : LO.Modal.PLoN.CanonicalFrame Λ 𝔽) :
      𝔽 pΛ ⊢! p