Canonical cfConjg_additive y := Additive (cfConjg_is_linear y).Canonical cfConjg_linear y := AddLinear (cfConjg_is_linear y).Canonical cfConjg_rmorphism y := AddRMorphism (cfConjg_is_multiplicative y).

Lemma cfDetConjg phi y : cfDet (phi ^ y) = (cfDet phi ^ y)%CF.