proposition: Lemma poly_example_monic : poly_example \is monic.
proof: Proof. by rewrite monicE lead_coefE !pesimp size_poly_example. Qed.
imports: HB(structures) mathcomp(all_ssreflect all_fingroup all_algebra) mathcomp(all_solvable all_field polyrcf) Abel(various classic_ext map_gal algR) Abel(char0 cyclotomic_ext real_closed_ext)