fact: Definition subfx_inv_rep (x : 'rV[F]_n) : 'rV[F]_n := poly_rV (subfx_poly_inv (rVpoly x) %% p0).
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq div) mathcomp(choice fintype tuple finfun bigop ssralg countalg) mathcomp(finalg zmodp matrix vector falgebra poly polydiv) mathcomp(mxpoly generic_quotient)