proposition: Lemma qpoly_inv_out (p : {poly %/ h}) : ~~ coprimep hQ p -> qpoly_inv p = p.
proof: Proof. by rewrite /qpoly_inv => /negPf->. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice fintype tuple) mathcomp(bigop binomial finset finfun ssralg countalg finalg poly polydiv) mathcomp(perm fingroup matrix mxalgebra mxpoly vector countalg)