proposition: Lemma conjLK : involutive conjL.
proof: Proof. by move=> x; apply: (fmorph_inj iota); rewrite !iotaJ conjCK. 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)