proposition: Lemma ReMil x : 'Re ('i * x) = - 'Im x.
proof: Proof. by rewrite -ImMil mulrA mulCii mulN1r raddfN. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(ssrAC div fintype path bigop order finset fingroup) mathcomp(ssralg poly)