`BookProof.ChapterLorentzRealRepFull.gram_fullR` : ∀ i j : Fin 16, ((bFullR i)ᵀ * bFullR j).trace = if i = j then (4 : ℝ) else 0

Initializing...

`BookProof.ChapterLorentzRealRepFull.gram_fullR` : ∀ i j : Fin 16, ((bFullR i)ᵀ * bFullR j).trace = if i = j then (4 : ℝ) else 0 · Prove2Me