fact: Definition subfx_mul_rep (x y : 'rV[F]_n) : 'rV[F]_n := poly_rV ((rVpoly x) * (rVpoly y) %% 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)