`BookProof.SmHiggsVacuum.gaugeMassForm_eq_zero_iff` (X : Fin 3 → Matrix (Fin 4) (Fin 4) ℝ) (u : Fin 4 → ℝ) : gaugeMassForm X u = 0 ↔ ∀ i, (X i).mulVec u = 0

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`BookProof.SmHiggsVacuum.gaugeMassForm_eq_zero_iff` (X : Fin 3 → Matrix (Fin 4) (Fin 4) ℝ) (u : Fin 4 → ℝ) : gaugeMassForm X u = 0 ↔ ∀ i, (X i).mulVec u = 0 · Prove2Me