`BookProof.ChapterWignerLittleGroup.act_det_of_sl` (A X : Matrix (Fin 2) (Fin 2) ℂ) (hA : A.det = 1) : (act A X).det = X.det

Initializing...

`BookProof.ChapterWignerLittleGroup.act_det_of_sl` (A X : Matrix (Fin 2) (Fin 2) ℂ) (hA : A.det = 1) : (act A X).det = X.det · Prove2Me