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

Initializing...

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