`BookProof.ChapterGaugeIncompleteFixing.isPhysicalObservable_iff_factors` (f : X → ℝ) : IsPhysicalObservable G f ↔ ∃ F : Quotient (MulAction.orbitRel G X) → ℝ, ∀ x : X, f x = F (Qu

Initializing...

`BookProof.ChapterGaugeIncompleteFixing.isPhysicalObservable_iff_factors` (f : X → ℝ) : IsPhysicalObservable G f ↔ ∃ F : Quotient (MulAction.orbitRel G X) → ℝ, ∀ x : X, f x = F (Qu · Prove2Me