`BookProof.ChapterWignerLittleGroup.sq_two` (M : Matrix (Fin 2) (Fin 2) ℂ) : M * M = M.trace • M - M.det • (1 : Matrix (Fin 2) (Fin 2) ℂ)

Initializing...

`BookProof.ChapterWignerLittleGroup.sq_two` (M : Matrix (Fin 2) (Fin 2) ℂ) : M * M = M.trace • M - M.det • (1 : Matrix (Fin 2) (Fin 2) ℂ) · Prove2Me