`BookProof.ChapterLorentzRealRepSum.gram_allR` : ∀ i j : Fin 14, ((bAllR i)ᵀ * bAllR j).trace = if i = j then (4 : ℝ) else 0

Initializing...

`BookProof.ChapterLorentzRealRepSum.gram_allR` : ∀ i j : Fin 14, ((bAllR i)ᵀ * bAllR j).trace = if i = j then (4 : ℝ) else 0 · Prove2Me