proposition: Lemma introspective1l (R : ringType) k (p : {poly R}) : 1 ⋈[k] p.
proof: Proof. by rewrite /introspective expr1 comp_polyXr. Qed.
imports: mathcomp(all_ssreflect all_fingroup all_field) mathcomp(ssralg finalg poly polydiv zmodp vector qpoly) more_thm rootn lcm_lbound