proposition: Lemma galois1K : galois 1%VS K.
proof: Proof. apply/splitting_galoisField; exists (map_poly ratr p); split => //. exact: ratr_p_over. by rewrite -char0_ratrE separable_map. 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)