Prenex Implicits mxmodule_form mxnonsimple_form mxnonsimple_sat.

case=> g eqn12 inj_g hom_g. by exists g^f => // [|x Gx]; rewrite ?row_free_map // -!map_mxM ?hom_g. Qed. Lemma map_section_repr n (rG : mx_representation aF G n) rGf U V